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This commit is contained in:
Varun Shah
2026-01-20 14:34:18 +08:00
commit d4fe4800e6
1014 changed files with 97445 additions and 0 deletions
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3
vendor/node_modules/d3-array/src/ascending.js generated vendored Normal file
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export default function ascending(a, b) {
return a == null || b == null ? NaN : a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
}

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vendor/node_modules/d3-array/src/bisect.js generated vendored Normal file
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import ascending from "./ascending.js";
import bisector from "./bisector.js";
import number from "./number.js";
const ascendingBisect = bisector(ascending);
export const bisectRight = ascendingBisect.right;
export const bisectLeft = ascendingBisect.left;
export const bisectCenter = bisector(number).center;
export default bisectRight;

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vendor/node_modules/d3-array/src/bisector.js generated vendored Normal file
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import ascending from "./ascending.js";
import descending from "./descending.js";
export default function bisector(f) {
let compare1, compare2, delta;
// If an accessor is specified, promote it to a comparator. In this case we
// can test whether the search value is (self-) comparable. We can’t do this
// for a comparator (except for specific, known comparators) because we can’t
// tell if the comparator is symmetric, and an asymmetric comparator can’t be
// used to test whether a single value is comparable.
if (f.length !== 2) {
compare1 = ascending;
compare2 = (d, x) => ascending(f(d), x);
delta = (d, x) => f(d) - x;
} else {
compare1 = f === ascending || f === descending ? f : zero;
compare2 = f;
delta = f;
}
function left(a, x, lo = 0, hi = a.length) {
if (lo < hi) {
if (compare1(x, x) !== 0) return hi;
do {
const mid = (lo + hi) >>> 1;
if (compare2(a[mid], x) < 0) lo = mid + 1;
else hi = mid;
} while (lo < hi);
}
return lo;
}
function right(a, x, lo = 0, hi = a.length) {
if (lo < hi) {
if (compare1(x, x) !== 0) return hi;
do {
const mid = (lo + hi) >>> 1;
if (compare2(a[mid], x) <= 0) lo = mid + 1;
else hi = mid;
} while (lo < hi);
}
return lo;
}
function center(a, x, lo = 0, hi = a.length) {
const i = left(a, x, lo, hi - 1);
return i > lo && delta(a[i - 1], x) > -delta(a[i], x) ? i - 1 : i;
}
return {left, center, right};
}
function zero() {
return 0;
}

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vendor/node_modules/d3-array/src/descending.js generated vendored Normal file
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export default function descending(a, b) {
return a == null || b == null ? NaN
: b < a ? -1
: b > a ? 1
: b >= a ? 0
: NaN;
}

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vendor/node_modules/d3-array/src/max.js generated vendored Normal file
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export default function max(values, valueof) {
let max;
if (valueof === undefined) {
for (const value of values) {
if (value != null
&& (max < value || (max === undefined && value >= value))) {
max = value;
}
}
} else {
let index = -1;
for (let value of values) {
if ((value = valueof(value, ++index, values)) != null
&& (max < value || (max === undefined && value >= value))) {
max = value;
}
}
}
return max;
}

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vendor/node_modules/d3-array/src/min.js generated vendored Normal file
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export default function min(values, valueof) {
let min;
if (valueof === undefined) {
for (const value of values) {
if (value != null
&& (min > value || (min === undefined && value >= value))) {
min = value;
}
}
} else {
let index = -1;
for (let value of values) {
if ((value = valueof(value, ++index, values)) != null
&& (min > value || (min === undefined && value >= value))) {
min = value;
}
}
}
return min;
}

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vendor/node_modules/d3-array/src/number.js generated vendored Normal file
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export default function number(x) {
return x === null ? NaN : +x;
}
export function* numbers(values, valueof) {
if (valueof === undefined) {
for (let value of values) {
if (value != null && (value = +value) >= value) {
yield value;
}
}
} else {
let index = -1;
for (let value of values) {
if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) {
yield value;
}
}
}
}

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vendor/node_modules/d3-array/src/quantile.js generated vendored Normal file
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import max from "./max.js";
import maxIndex from "./maxIndex.js";
import min from "./min.js";
import minIndex from "./minIndex.js";
import quickselect from "./quickselect.js";
import number, {numbers} from "./number.js";
import {ascendingDefined} from "./sort.js";
import greatest from "./greatest.js";
export default function quantile(values, p, valueof) {
values = Float64Array.from(numbers(values, valueof));
if (!(n = values.length) || isNaN(p = +p)) return;
if (p <= 0 || n < 2) return min(values);
if (p >= 1) return max(values);
var n,
i = (n - 1) * p,
i0 = Math.floor(i),
value0 = max(quickselect(values, i0).subarray(0, i0 + 1)),
value1 = min(values.subarray(i0 + 1));
return value0 + (value1 - value0) * (i - i0);
}
export function quantileSorted(values, p, valueof = number) {
if (!(n = values.length) || isNaN(p = +p)) return;
if (p <= 0 || n < 2) return +valueof(values[0], 0, values);
if (p >= 1) return +valueof(values[n - 1], n - 1, values);
var n,
i = (n - 1) * p,
i0 = Math.floor(i),
value0 = +valueof(values[i0], i0, values),
value1 = +valueof(values[i0 + 1], i0 + 1, values);
return value0 + (value1 - value0) * (i - i0);
}
export function quantileIndex(values, p, valueof = number) {
if (isNaN(p = +p)) return;
numbers = Float64Array.from(values, (_, i) => number(valueof(values[i], i, values)));
if (p <= 0) return minIndex(numbers);
if (p >= 1) return maxIndex(numbers);
var numbers,
index = Uint32Array.from(values, (_, i) => i),
j = numbers.length - 1,
i = Math.floor(j * p);
quickselect(index, i, 0, j, (i, j) => ascendingDefined(numbers[i], numbers[j]));
i = greatest(index.subarray(0, i + 1), (i) => numbers[i]);
return i >= 0 ? i : -1;
}

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vendor/node_modules/d3-array/src/quickselect.js generated vendored Normal file
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import {ascendingDefined, compareDefined} from "./sort.js";
// Based on https://github.com/mourner/quickselect
// ISC license, Copyright 2018 Vladimir Agafonkin.
export default function quickselect(array, k, left = 0, right = Infinity, compare) {
k = Math.floor(k);
left = Math.floor(Math.max(0, left));
right = Math.floor(Math.min(array.length - 1, right));
if (!(left <= k && k <= right)) return array;
compare = compare === undefined ? ascendingDefined : compareDefined(compare);
while (right > left) {
if (right - left > 600) {
const n = right - left + 1;
const m = k - left + 1;
const z = Math.log(n);
const s = 0.5 * Math.exp(2 * z / 3);
const sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1);
const newLeft = Math.max(left, Math.floor(k - m * s / n + sd));
const newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd));
quickselect(array, k, newLeft, newRight, compare);
}
const t = array[k];
let i = left;
let j = right;
swap(array, left, k);
if (compare(array[right], t) > 0) swap(array, left, right);
while (i < j) {
swap(array, i, j), ++i, --j;
while (compare(array[i], t) < 0) ++i;
while (compare(array[j], t) > 0) --j;
}
if (compare(array[left], t) === 0) swap(array, left, j);
else ++j, swap(array, j, right);
if (j <= k) left = j + 1;
if (k <= j) right = j - 1;
}
return array;
}
function swap(array, i, j) {
const t = array[i];
array[i] = array[j];
array[j] = t;
}

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vendor/node_modules/d3-array/src/range.js generated vendored Normal file
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export default function range(start, stop, step) {
start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step;
var i = -1,
n = Math.max(0, Math.ceil((stop - start) / step)) | 0,
range = new Array(n);
while (++i < n) {
range[i] = start + i * step;
}
return range;
}

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vendor/node_modules/d3-array/src/sort.js generated vendored Normal file
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import ascending from "./ascending.js";
import permute from "./permute.js";
export default function sort(values, ...F) {
if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable");
values = Array.from(values);
let [f] = F;
if ((f && f.length !== 2) || F.length > 1) {
const index = Uint32Array.from(values, (d, i) => i);
if (F.length > 1) {
F = F.map(f => values.map(f));
index.sort((i, j) => {
for (const f of F) {
const c = ascendingDefined(f[i], f[j]);
if (c) return c;
}
});
} else {
f = values.map(f);
index.sort((i, j) => ascendingDefined(f[i], f[j]));
}
return permute(values, index);
}
return values.sort(compareDefined(f));
}
export function compareDefined(compare = ascending) {
if (compare === ascending) return ascendingDefined;
if (typeof compare !== "function") throw new TypeError("compare is not a function");
return (a, b) => {
const x = compare(a, b);
if (x || x === 0) return x;
return (compare(b, b) === 0) - (compare(a, a) === 0);
};
}
export function ascendingDefined(a, b) {
return (a == null || !(a >= a)) - (b == null || !(b >= b)) || (a < b ? -1 : a > b ? 1 : 0);
}

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vendor/node_modules/d3-array/src/ticks.js generated vendored Normal file
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const e10 = Math.sqrt(50),
e5 = Math.sqrt(10),
e2 = Math.sqrt(2);
function tickSpec(start, stop, count) {
const step = (stop - start) / Math.max(0, count),
power = Math.floor(Math.log10(step)),
error = step / Math.pow(10, power),
factor = error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1;
let i1, i2, inc;
if (power < 0) {
inc = Math.pow(10, -power) / factor;
i1 = Math.round(start * inc);
i2 = Math.round(stop * inc);
if (i1 / inc < start) ++i1;
if (i2 / inc > stop) --i2;
inc = -inc;
} else {
inc = Math.pow(10, power) * factor;
i1 = Math.round(start / inc);
i2 = Math.round(stop / inc);
if (i1 * inc < start) ++i1;
if (i2 * inc > stop) --i2;
}
if (i2 < i1 && 0.5 <= count && count < 2) return tickSpec(start, stop, count * 2);
return [i1, i2, inc];
}
export default function ticks(start, stop, count) {
stop = +stop, start = +start, count = +count;
if (!(count > 0)) return [];
if (start === stop) return [start];
const reverse = stop < start, [i1, i2, inc] = reverse ? tickSpec(stop, start, count) : tickSpec(start, stop, count);
if (!(i2 >= i1)) return [];
const n = i2 - i1 + 1, ticks = new Array(n);
if (reverse) {
if (inc < 0) for (let i = 0; i < n; ++i) ticks[i] = (i2 - i) / -inc;
else for (let i = 0; i < n; ++i) ticks[i] = (i2 - i) * inc;
} else {
if (inc < 0) for (let i = 0; i < n; ++i) ticks[i] = (i1 + i) / -inc;
else for (let i = 0; i < n; ++i) ticks[i] = (i1 + i) * inc;
}
return ticks;
}
export function tickIncrement(start, stop, count) {
stop = +stop, start = +start, count = +count;
return tickSpec(start, stop, count)[2];
}
export function tickStep(start, stop, count) {
stop = +stop, start = +start, count = +count;
const reverse = stop < start, inc = reverse ? tickIncrement(stop, start, count) : tickIncrement(start, stop, count);
return (reverse ? -1 : 1) * (inc < 0 ? 1 / -inc : inc);
}

396
vendor/node_modules/d3-color/src/color.js generated vendored Normal file
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import define, {extend} from "./define.js";
export function Color() {}
export var darker = 0.7;
export var brighter = 1 / darker;
var reI = "\\s*([+-]?\\d+)\\s*",
reN = "\\s*([+-]?(?:\\d*\\.)?\\d+(?:[eE][+-]?\\d+)?)\\s*",
reP = "\\s*([+-]?(?:\\d*\\.)?\\d+(?:[eE][+-]?\\d+)?)%\\s*",
reHex = /^#([0-9a-f]{3,8})$/,
reRgbInteger = new RegExp(`^rgb\\(${reI},${reI},${reI}\\)$`),
reRgbPercent = new RegExp(`^rgb\\(${reP},${reP},${reP}\\)$`),
reRgbaInteger = new RegExp(`^rgba\\(${reI},${reI},${reI},${reN}\\)$`),
reRgbaPercent = new RegExp(`^rgba\\(${reP},${reP},${reP},${reN}\\)$`),
reHslPercent = new RegExp(`^hsl\\(${reN},${reP},${reP}\\)$`),
reHslaPercent = new RegExp(`^hsla\\(${reN},${reP},${reP},${reN}\\)$`);
var named = {
aliceblue: 0xf0f8ff,
antiquewhite: 0xfaebd7,
aqua: 0x00ffff,
aquamarine: 0x7fffd4,
azure: 0xf0ffff,
beige: 0xf5f5dc,
bisque: 0xffe4c4,
black: 0x000000,
blanchedalmond: 0xffebcd,
blue: 0x0000ff,
blueviolet: 0x8a2be2,
brown: 0xa52a2a,
burlywood: 0xdeb887,
cadetblue: 0x5f9ea0,
chartreuse: 0x7fff00,
chocolate: 0xd2691e,
coral: 0xff7f50,
cornflowerblue: 0x6495ed,
cornsilk: 0xfff8dc,
crimson: 0xdc143c,
cyan: 0x00ffff,
darkblue: 0x00008b,
darkcyan: 0x008b8b,
darkgoldenrod: 0xb8860b,
darkgray: 0xa9a9a9,
darkgreen: 0x006400,
darkgrey: 0xa9a9a9,
darkkhaki: 0xbdb76b,
darkmagenta: 0x8b008b,
darkolivegreen: 0x556b2f,
darkorange: 0xff8c00,
darkorchid: 0x9932cc,
darkred: 0x8b0000,
darksalmon: 0xe9967a,
darkseagreen: 0x8fbc8f,
darkslateblue: 0x483d8b,
darkslategray: 0x2f4f4f,
darkslategrey: 0x2f4f4f,
darkturquoise: 0x00ced1,
darkviolet: 0x9400d3,
deeppink: 0xff1493,
deepskyblue: 0x00bfff,
dimgray: 0x696969,
dimgrey: 0x696969,
dodgerblue: 0x1e90ff,
firebrick: 0xb22222,
floralwhite: 0xfffaf0,
forestgreen: 0x228b22,
fuchsia: 0xff00ff,
gainsboro: 0xdcdcdc,
ghostwhite: 0xf8f8ff,
gold: 0xffd700,
goldenrod: 0xdaa520,
gray: 0x808080,
green: 0x008000,
greenyellow: 0xadff2f,
grey: 0x808080,
honeydew: 0xf0fff0,
hotpink: 0xff69b4,
indianred: 0xcd5c5c,
indigo: 0x4b0082,
ivory: 0xfffff0,
khaki: 0xf0e68c,
lavender: 0xe6e6fa,
lavenderblush: 0xfff0f5,
lawngreen: 0x7cfc00,
lemonchiffon: 0xfffacd,
lightblue: 0xadd8e6,
lightcoral: 0xf08080,
lightcyan: 0xe0ffff,
lightgoldenrodyellow: 0xfafad2,
lightgray: 0xd3d3d3,
lightgreen: 0x90ee90,
lightgrey: 0xd3d3d3,
lightpink: 0xffb6c1,
lightsalmon: 0xffa07a,
lightseagreen: 0x20b2aa,
lightskyblue: 0x87cefa,
lightslategray: 0x778899,
lightslategrey: 0x778899,
lightsteelblue: 0xb0c4de,
lightyellow: 0xffffe0,
lime: 0x00ff00,
limegreen: 0x32cd32,
linen: 0xfaf0e6,
magenta: 0xff00ff,
maroon: 0x800000,
mediumaquamarine: 0x66cdaa,
mediumblue: 0x0000cd,
mediumorchid: 0xba55d3,
mediumpurple: 0x9370db,
mediumseagreen: 0x3cb371,
mediumslateblue: 0x7b68ee,
mediumspringgreen: 0x00fa9a,
mediumturquoise: 0x48d1cc,
mediumvioletred: 0xc71585,
midnightblue: 0x191970,
mintcream: 0xf5fffa,
mistyrose: 0xffe4e1,
moccasin: 0xffe4b5,
navajowhite: 0xffdead,
navy: 0x000080,
oldlace: 0xfdf5e6,
olive: 0x808000,
olivedrab: 0x6b8e23,
orange: 0xffa500,
orangered: 0xff4500,
orchid: 0xda70d6,
palegoldenrod: 0xeee8aa,
palegreen: 0x98fb98,
paleturquoise: 0xafeeee,
palevioletred: 0xdb7093,
papayawhip: 0xffefd5,
peachpuff: 0xffdab9,
peru: 0xcd853f,
pink: 0xffc0cb,
plum: 0xdda0dd,
powderblue: 0xb0e0e6,
purple: 0x800080,
rebeccapurple: 0x663399,
red: 0xff0000,
rosybrown: 0xbc8f8f,
royalblue: 0x4169e1,
saddlebrown: 0x8b4513,
salmon: 0xfa8072,
sandybrown: 0xf4a460,
seagreen: 0x2e8b57,
seashell: 0xfff5ee,
sienna: 0xa0522d,
silver: 0xc0c0c0,
skyblue: 0x87ceeb,
slateblue: 0x6a5acd,
slategray: 0x708090,
slategrey: 0x708090,
snow: 0xfffafa,
springgreen: 0x00ff7f,
steelblue: 0x4682b4,
tan: 0xd2b48c,
teal: 0x008080,
thistle: 0xd8bfd8,
tomato: 0xff6347,
turquoise: 0x40e0d0,
violet: 0xee82ee,
wheat: 0xf5deb3,
white: 0xffffff,
whitesmoke: 0xf5f5f5,
yellow: 0xffff00,
yellowgreen: 0x9acd32
};
define(Color, color, {
copy(channels) {
return Object.assign(new this.constructor, this, channels);
},
displayable() {
return this.rgb().displayable();
},
hex: color_formatHex, // Deprecated! Use color.formatHex.
formatHex: color_formatHex,
formatHex8: color_formatHex8,
formatHsl: color_formatHsl,
formatRgb: color_formatRgb,
toString: color_formatRgb
});
function color_formatHex() {
return this.rgb().formatHex();
}
function color_formatHex8() {
return this.rgb().formatHex8();
}
function color_formatHsl() {
return hslConvert(this).formatHsl();
}
function color_formatRgb() {
return this.rgb().formatRgb();
}
export default function color(format) {
var m, l;
format = (format + "").trim().toLowerCase();
return (m = reHex.exec(format)) ? (l = m[1].length, m = parseInt(m[1], 16), l === 6 ? rgbn(m) // #ff0000
: l === 3 ? new Rgb((m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1) // #f00
: l === 8 ? rgba(m >> 24 & 0xff, m >> 16 & 0xff, m >> 8 & 0xff, (m & 0xff) / 0xff) // #ff000000
: l === 4 ? rgba((m >> 12 & 0xf) | (m >> 8 & 0xf0), (m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), (((m & 0xf) << 4) | (m & 0xf)) / 0xff) // #f000
: null) // invalid hex
: (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0)
: (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%)
: (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1)
: (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1)
: (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%)
: (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1)
: named.hasOwnProperty(format) ? rgbn(named[format]) // eslint-disable-line no-prototype-builtins
: format === "transparent" ? new Rgb(NaN, NaN, NaN, 0)
: null;
}
function rgbn(n) {
return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1);
}
function rgba(r, g, b, a) {
if (a <= 0) r = g = b = NaN;
return new Rgb(r, g, b, a);
}
export function rgbConvert(o) {
if (!(o instanceof Color)) o = color(o);
if (!o) return new Rgb;
o = o.rgb();
return new Rgb(o.r, o.g, o.b, o.opacity);
}
export function rgb(r, g, b, opacity) {
return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity);
}
export function Rgb(r, g, b, opacity) {
this.r = +r;
this.g = +g;
this.b = +b;
this.opacity = +opacity;
}
define(Rgb, rgb, extend(Color, {
brighter(k) {
k = k == null ? brighter : Math.pow(brighter, k);
return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity);
},
darker(k) {
k = k == null ? darker : Math.pow(darker, k);
return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity);
},
rgb() {
return this;
},
clamp() {
return new Rgb(clampi(this.r), clampi(this.g), clampi(this.b), clampa(this.opacity));
},
displayable() {
return (-0.5 <= this.r && this.r < 255.5)
&& (-0.5 <= this.g && this.g < 255.5)
&& (-0.5 <= this.b && this.b < 255.5)
&& (0 <= this.opacity && this.opacity <= 1);
},
hex: rgb_formatHex, // Deprecated! Use color.formatHex.
formatHex: rgb_formatHex,
formatHex8: rgb_formatHex8,
formatRgb: rgb_formatRgb,
toString: rgb_formatRgb
}));
function rgb_formatHex() {
return `#${hex(this.r)}${hex(this.g)}${hex(this.b)}`;
}
function rgb_formatHex8() {
return `#${hex(this.r)}${hex(this.g)}${hex(this.b)}${hex((isNaN(this.opacity) ? 1 : this.opacity) * 255)}`;
}
function rgb_formatRgb() {
const a = clampa(this.opacity);
return `${a === 1 ? "rgb(" : "rgba("}${clampi(this.r)}, ${clampi(this.g)}, ${clampi(this.b)}${a === 1 ? ")" : `, ${a})`}`;
}
function clampa(opacity) {
return isNaN(opacity) ? 1 : Math.max(0, Math.min(1, opacity));
}
function clampi(value) {
return Math.max(0, Math.min(255, Math.round(value) || 0));
}
function hex(value) {
value = clampi(value);
return (value < 16 ? "0" : "") + value.toString(16);
}
function hsla(h, s, l, a) {
if (a <= 0) h = s = l = NaN;
else if (l <= 0 || l >= 1) h = s = NaN;
else if (s <= 0) h = NaN;
return new Hsl(h, s, l, a);
}
export function hslConvert(o) {
if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity);
if (!(o instanceof Color)) o = color(o);
if (!o) return new Hsl;
if (o instanceof Hsl) return o;
o = o.rgb();
var r = o.r / 255,
g = o.g / 255,
b = o.b / 255,
min = Math.min(r, g, b),
max = Math.max(r, g, b),
h = NaN,
s = max - min,
l = (max + min) / 2;
if (s) {
if (r === max) h = (g - b) / s + (g < b) * 6;
else if (g === max) h = (b - r) / s + 2;
else h = (r - g) / s + 4;
s /= l < 0.5 ? max + min : 2 - max - min;
h *= 60;
} else {
s = l > 0 && l < 1 ? 0 : h;
}
return new Hsl(h, s, l, o.opacity);
}
export function hsl(h, s, l, opacity) {
return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity);
}
function Hsl(h, s, l, opacity) {
this.h = +h;
this.s = +s;
this.l = +l;
this.opacity = +opacity;
}
define(Hsl, hsl, extend(Color, {
brighter(k) {
k = k == null ? brighter : Math.pow(brighter, k);
return new Hsl(this.h, this.s, this.l * k, this.opacity);
},
darker(k) {
k = k == null ? darker : Math.pow(darker, k);
return new Hsl(this.h, this.s, this.l * k, this.opacity);
},
rgb() {
var h = this.h % 360 + (this.h < 0) * 360,
s = isNaN(h) || isNaN(this.s) ? 0 : this.s,
l = this.l,
m2 = l + (l < 0.5 ? l : 1 - l) * s,
m1 = 2 * l - m2;
return new Rgb(
hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2),
hsl2rgb(h, m1, m2),
hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2),
this.opacity
);
},
clamp() {
return new Hsl(clamph(this.h), clampt(this.s), clampt(this.l), clampa(this.opacity));
},
displayable() {
return (0 <= this.s && this.s <= 1 || isNaN(this.s))
&& (0 <= this.l && this.l <= 1)
&& (0 <= this.opacity && this.opacity <= 1);
},
formatHsl() {
const a = clampa(this.opacity);
return `${a === 1 ? "hsl(" : "hsla("}${clamph(this.h)}, ${clampt(this.s) * 100}%, ${clampt(this.l) * 100}%${a === 1 ? ")" : `, ${a})`}`;
}
}));
function clamph(value) {
value = (value || 0) % 360;
return value < 0 ? value + 360 : value;
}
function clampt(value) {
return Math.max(0, Math.min(1, value || 0));
}
/* From FvD 13.37, CSS Color Module Level 3 */
function hsl2rgb(h, m1, m2) {
return (h < 60 ? m1 + (m2 - m1) * h / 60
: h < 180 ? m2
: h < 240 ? m1 + (m2 - m1) * (240 - h) / 60
: m1) * 255;
}

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vendor/node_modules/d3-color/src/define.js generated vendored Normal file
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export default function(constructor, factory, prototype) {
constructor.prototype = factory.prototype = prototype;
prototype.constructor = constructor;
}
export function extend(parent, definition) {
var prototype = Object.create(parent.prototype);
for (var key in definition) prototype[key] = definition[key];
return prototype;
}

18
vendor/node_modules/d3-format/src/defaultLocale.js generated vendored Normal file
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import formatLocale from "./locale.js";
var locale;
export var format;
export var formatPrefix;
defaultLocale({
thousands: ",",
grouping: [3],
currency: ["$", ""]
});
export default function defaultLocale(definition) {
locale = formatLocale(definition);
format = locale.format;
formatPrefix = locale.formatPrefix;
return locale;
}

5
vendor/node_modules/d3-format/src/exponent.js generated vendored Normal file
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import {formatDecimalParts} from "./formatDecimal.js";
export default function(x) {
return x = formatDecimalParts(Math.abs(x)), x ? x[1] : NaN;
}

20
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export default function(x) {
return Math.abs(x = Math.round(x)) >= 1e21
? x.toLocaleString("en").replace(/,/g, "")
: x.toString(10);
}
// Computes the decimal coefficient and exponent of the specified number x with
// significant digits p, where x is positive and p is in [1, 21] or undefined.
// For example, formatDecimalParts(1.23) returns ["123", 0].
export function formatDecimalParts(x, p) {
if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity
var i, coefficient = x.slice(0, i);
// The string returned by toExponential either has the form \d\.\d+e[-+]\d+
// (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3).
return [
coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient,
+x.slice(i + 1)
];
}

18
vendor/node_modules/d3-format/src/formatGroup.js generated vendored Normal file
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export default function(grouping, thousands) {
return function(value, width) {
var i = value.length,
t = [],
j = 0,
g = grouping[0],
length = 0;
while (i > 0 && g > 0) {
if (length + g + 1 > width) g = Math.max(1, width - length);
t.push(value.substring(i -= g, i + g));
if ((length += g + 1) > width) break;
g = grouping[j = (j + 1) % grouping.length];
}
return t.reverse().join(thousands);
};
}

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export default function(numerals) {
return function(value) {
return value.replace(/[0-9]/g, function(i) {
return numerals[+i];
});
};
}

16
vendor/node_modules/d3-format/src/formatPrefixAuto.js generated vendored Normal file
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import {formatDecimalParts} from "./formatDecimal.js";
export var prefixExponent;
export default function(x, p) {
var d = formatDecimalParts(x, p);
if (!d) return x + "";
var coefficient = d[0],
exponent = d[1],
i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1,
n = coefficient.length;
return i === n ? coefficient
: i > n ? coefficient + new Array(i - n + 1).join("0")
: i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i)
: "0." + new Array(1 - i).join("0") + formatDecimalParts(x, Math.max(0, p + i - 1))[0]; // less than 1y!
}

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vendor/node_modules/d3-format/src/formatRounded.js generated vendored Normal file
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import {formatDecimalParts} from "./formatDecimal.js";
export default function(x, p) {
var d = formatDecimalParts(x, p);
if (!d) return x + "";
var coefficient = d[0],
exponent = d[1];
return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient
: coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1)
: coefficient + new Array(exponent - coefficient.length + 2).join("0");
}

47
vendor/node_modules/d3-format/src/formatSpecifier.js generated vendored Normal file
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// [[fill]align][sign][symbol][0][width][,][.precision][~][type]
var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i;
export default function formatSpecifier(specifier) {
if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier);
var match;
return new FormatSpecifier({
fill: match[1],
align: match[2],
sign: match[3],
symbol: match[4],
zero: match[5],
width: match[6],
comma: match[7],
precision: match[8] && match[8].slice(1),
trim: match[9],
type: match[10]
});
}
formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof
export function FormatSpecifier(specifier) {
this.fill = specifier.fill === undefined ? " " : specifier.fill + "";
this.align = specifier.align === undefined ? ">" : specifier.align + "";
this.sign = specifier.sign === undefined ? "-" : specifier.sign + "";
this.symbol = specifier.symbol === undefined ? "" : specifier.symbol + "";
this.zero = !!specifier.zero;
this.width = specifier.width === undefined ? undefined : +specifier.width;
this.comma = !!specifier.comma;
this.precision = specifier.precision === undefined ? undefined : +specifier.precision;
this.trim = !!specifier.trim;
this.type = specifier.type === undefined ? "" : specifier.type + "";
}
FormatSpecifier.prototype.toString = function() {
return this.fill
+ this.align
+ this.sign
+ this.symbol
+ (this.zero ? "0" : "")
+ (this.width === undefined ? "" : Math.max(1, this.width | 0))
+ (this.comma ? "," : "")
+ (this.precision === undefined ? "" : "." + Math.max(0, this.precision | 0))
+ (this.trim ? "~" : "")
+ this.type;
};

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vendor/node_modules/d3-format/src/formatTrim.js generated vendored Normal file
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// Trims insignificant zeros, e.g., replaces 1.2000k with 1.2k.
export default function(s) {
out: for (var n = s.length, i = 1, i0 = -1, i1; i < n; ++i) {
switch (s[i]) {
case ".": i0 = i1 = i; break;
case "0": if (i0 === 0) i0 = i; i1 = i; break;
default: if (!+s[i]) break out; if (i0 > 0) i0 = 0; break;
}
}
return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s;
}

19
vendor/node_modules/d3-format/src/formatTypes.js generated vendored Normal file
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import formatDecimal from "./formatDecimal.js";
import formatPrefixAuto from "./formatPrefixAuto.js";
import formatRounded from "./formatRounded.js";
export default {
"%": (x, p) => (x * 100).toFixed(p),
"b": (x) => Math.round(x).toString(2),
"c": (x) => x + "",
"d": formatDecimal,
"e": (x, p) => x.toExponential(p),
"f": (x, p) => x.toFixed(p),
"g": (x, p) => x.toPrecision(p),
"o": (x) => Math.round(x).toString(8),
"p": (x, p) => formatRounded(x * 100, p),
"r": formatRounded,
"s": formatPrefixAuto,
"X": (x) => Math.round(x).toString(16).toUpperCase(),
"x": (x) => Math.round(x).toString(16)
};

3
vendor/node_modules/d3-format/src/identity.js generated vendored Normal file
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export default function(x) {
return x;
}

148
vendor/node_modules/d3-format/src/locale.js generated vendored Normal file
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import exponent from "./exponent.js";
import formatGroup from "./formatGroup.js";
import formatNumerals from "./formatNumerals.js";
import formatSpecifier from "./formatSpecifier.js";
import formatTrim from "./formatTrim.js";
import formatTypes from "./formatTypes.js";
import {prefixExponent} from "./formatPrefixAuto.js";
import identity from "./identity.js";
var map = Array.prototype.map,
prefixes = ["y","z","a","f","p","n","µ","m","","k","M","G","T","P","E","Z","Y"];
export default function(locale) {
var group = locale.grouping === undefined || locale.thousands === undefined ? identity : formatGroup(map.call(locale.grouping, Number), locale.thousands + ""),
currencyPrefix = locale.currency === undefined ? "" : locale.currency[0] + "",
currencySuffix = locale.currency === undefined ? "" : locale.currency[1] + "",
decimal = locale.decimal === undefined ? "." : locale.decimal + "",
numerals = locale.numerals === undefined ? identity : formatNumerals(map.call(locale.numerals, String)),
percent = locale.percent === undefined ? "%" : locale.percent + "",
minus = locale.minus === undefined ? "−" : locale.minus + "",
nan = locale.nan === undefined ? "NaN" : locale.nan + "";
function newFormat(specifier) {
specifier = formatSpecifier(specifier);
var fill = specifier.fill,
align = specifier.align,
sign = specifier.sign,
symbol = specifier.symbol,
zero = specifier.zero,
width = specifier.width,
comma = specifier.comma,
precision = specifier.precision,
trim = specifier.trim,
type = specifier.type;
// The "n" type is an alias for ",g".
if (type === "n") comma = true, type = "g";
// The "" type, and any invalid type, is an alias for ".12~g".
else if (!formatTypes[type]) precision === undefined && (precision = 12), trim = true, type = "g";
// If zero fill is specified, padding goes after sign and before digits.
if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "=";
// Compute the prefix and suffix.
// For SI-prefix, the suffix is lazily computed.
var prefix = symbol === "$" ? currencyPrefix : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "",
suffix = symbol === "$" ? currencySuffix : /[%p]/.test(type) ? percent : "";
// What format function should we use?
// Is this an integer type?
// Can this type generate exponential notation?
var formatType = formatTypes[type],
maybeSuffix = /[defgprs%]/.test(type);
// Set the default precision if not specified,
// or clamp the specified precision to the supported range.
// For significant precision, it must be in [1, 21].
// For fixed precision, it must be in [0, 20].
precision = precision === undefined ? 6
: /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision))
: Math.max(0, Math.min(20, precision));
function format(value) {
var valuePrefix = prefix,
valueSuffix = suffix,
i, n, c;
if (type === "c") {
valueSuffix = formatType(value) + valueSuffix;
value = "";
} else {
value = +value;
// Determine the sign. -0 is not less than 0, but 1 / -0 is!
var valueNegative = value < 0 || 1 / value < 0;
// Perform the initial formatting.
value = isNaN(value) ? nan : formatType(Math.abs(value), precision);
// Trim insignificant zeros.
if (trim) value = formatTrim(value);
// If a negative value rounds to zero after formatting, and no explicit positive sign is requested, hide the sign.
if (valueNegative && +value === 0 && sign !== "+") valueNegative = false;
// Compute the prefix and suffix.
valuePrefix = (valueNegative ? (sign === "(" ? sign : minus) : sign === "-" || sign === "(" ? "" : sign) + valuePrefix;
valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? ")" : "");
// Break the formatted value into the integer “value” part that can be
// grouped, and fractional or exponential “suffix” part that is not.
if (maybeSuffix) {
i = -1, n = value.length;
while (++i < n) {
if (c = value.charCodeAt(i), 48 > c || c > 57) {
valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix;
value = value.slice(0, i);
break;
}
}
}
}
// If the fill character is not "0", grouping is applied before padding.
if (comma && !zero) value = group(value, Infinity);
// Compute the padding.
var length = valuePrefix.length + value.length + valueSuffix.length,
padding = length < width ? new Array(width - length + 1).join(fill) : "";
// If the fill character is "0", grouping is applied after padding.
if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = "";
// Reconstruct the final output based on the desired alignment.
switch (align) {
case "<": value = valuePrefix + value + valueSuffix + padding; break;
case "=": value = valuePrefix + padding + value + valueSuffix; break;
case "^": value = padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); break;
default: value = padding + valuePrefix + value + valueSuffix; break;
}
return numerals(value);
}
format.toString = function() {
return specifier + "";
};
return format;
}
function formatPrefix(specifier, value) {
var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)),
e = Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3,
k = Math.pow(10, -e),
prefix = prefixes[8 + e / 3];
return function(value) {
return f(k * value) + prefix;
};
}
return {
format: newFormat,
formatPrefix: formatPrefix
};
}

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vendor/node_modules/d3-format/src/precisionFixed.js generated vendored Normal file
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import exponent from "./exponent.js";
export default function(step) {
return Math.max(0, -exponent(Math.abs(step)));
}

5
vendor/node_modules/d3-format/src/precisionPrefix.js generated vendored Normal file
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import exponent from "./exponent.js";
export default function(step, value) {
return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3 - exponent(Math.abs(step)));
}

6
vendor/node_modules/d3-format/src/precisionRound.js generated vendored Normal file
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import exponent from "./exponent.js";
export default function(step, max) {
step = Math.abs(step), max = Math.abs(max) - step;
return Math.max(0, exponent(max) - exponent(step)) + 1;
}

22
vendor/node_modules/d3-interpolate/src/array.js generated vendored Normal file
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import value from "./value.js";
import numberArray, {isNumberArray} from "./numberArray.js";
export default function(a, b) {
return (isNumberArray(b) ? numberArray : genericArray)(a, b);
}
export function genericArray(a, b) {
var nb = b ? b.length : 0,
na = a ? Math.min(nb, a.length) : 0,
x = new Array(na),
c = new Array(nb),
i;
for (i = 0; i < na; ++i) x[i] = value(a[i], b[i]);
for (; i < nb; ++i) c[i] = b[i];
return function(t) {
for (i = 0; i < na; ++i) c[i] = x[i](t);
return c;
};
}

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vendor/node_modules/d3-interpolate/src/basis.js generated vendored Normal file
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export function basis(t1, v0, v1, v2, v3) {
var t2 = t1 * t1, t3 = t2 * t1;
return ((1 - 3 * t1 + 3 * t2 - t3) * v0
+ (4 - 6 * t2 + 3 * t3) * v1
+ (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2
+ t3 * v3) / 6;
}
export default function(values) {
var n = values.length - 1;
return function(t) {
var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n),
v1 = values[i],
v2 = values[i + 1],
v0 = i > 0 ? values[i - 1] : 2 * v1 - v2,
v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1;
return basis((t - i / n) * n, v0, v1, v2, v3);
};
}

13
vendor/node_modules/d3-interpolate/src/basisClosed.js generated vendored Normal file
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import {basis} from "./basis.js";
export default function(values) {
var n = values.length;
return function(t) {
var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n),
v0 = values[(i + n - 1) % n],
v1 = values[i % n],
v2 = values[(i + 1) % n],
v3 = values[(i + 2) % n];
return basis((t - i / n) * n, v0, v1, v2, v3);
};
}

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vendor/node_modules/d3-interpolate/src/color.js generated vendored Normal file
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import constant from "./constant.js";
function linear(a, d) {
return function(t) {
return a + t * d;
};
}
function exponential(a, b, y) {
return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) {
return Math.pow(a + t * b, y);
};
}
export function hue(a, b) {
var d = b - a;
return d ? linear(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant(isNaN(a) ? b : a);
}
export function gamma(y) {
return (y = +y) === 1 ? nogamma : function(a, b) {
return b - a ? exponential(a, b, y) : constant(isNaN(a) ? b : a);
};
}
export default function nogamma(a, b) {
var d = b - a;
return d ? linear(a, d) : constant(isNaN(a) ? b : a);
}

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vendor/node_modules/d3-interpolate/src/constant.js generated vendored Normal file
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export default x => () => x;

6
vendor/node_modules/d3-interpolate/src/date.js generated vendored Normal file
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export default function(a, b) {
var d = new Date;
return a = +a, b = +b, function(t) {
return d.setTime(a * (1 - t) + b * t), d;
};
}

5
vendor/node_modules/d3-interpolate/src/number.js generated vendored Normal file
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export default function(a, b) {
return a = +a, b = +b, function(t) {
return a * (1 - t) + b * t;
};
}

14
vendor/node_modules/d3-interpolate/src/numberArray.js generated vendored Normal file
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export default function(a, b) {
if (!b) b = [];
var n = a ? Math.min(b.length, a.length) : 0,
c = b.slice(),
i;
return function(t) {
for (i = 0; i < n; ++i) c[i] = a[i] * (1 - t) + b[i] * t;
return c;
};
}
export function isNumberArray(x) {
return ArrayBuffer.isView(x) && !(x instanceof DataView);
}

23
vendor/node_modules/d3-interpolate/src/object.js generated vendored Normal file
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import value from "./value.js";
export default function(a, b) {
var i = {},
c = {},
k;
if (a === null || typeof a !== "object") a = {};
if (b === null || typeof b !== "object") b = {};
for (k in b) {
if (k in a) {
i[k] = value(a[k], b[k]);
} else {
c[k] = b[k];
}
}
return function(t) {
for (k in i) c[k] = i[k](t);
return c;
};
}

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vendor/node_modules/d3-interpolate/src/piecewise.js generated vendored Normal file
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import {default as value} from "./value.js";
export default function piecewise(interpolate, values) {
if (values === undefined) values = interpolate, interpolate = value;
var i = 0, n = values.length - 1, v = values[0], I = new Array(n < 0 ? 0 : n);
while (i < n) I[i] = interpolate(v, v = values[++i]);
return function(t) {
var i = Math.max(0, Math.min(n - 1, Math.floor(t *= n)));
return I[i](t - i);
};
}

55
vendor/node_modules/d3-interpolate/src/rgb.js generated vendored Normal file
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import {rgb as colorRgb} from "d3-color";
import basis from "./basis.js";
import basisClosed from "./basisClosed.js";
import nogamma, {gamma} from "./color.js";
export default (function rgbGamma(y) {
var color = gamma(y);
function rgb(start, end) {
var r = color((start = colorRgb(start)).r, (end = colorRgb(end)).r),
g = color(start.g, end.g),
b = color(start.b, end.b),
opacity = nogamma(start.opacity, end.opacity);
return function(t) {
start.r = r(t);
start.g = g(t);
start.b = b(t);
start.opacity = opacity(t);
return start + "";
};
}
rgb.gamma = rgbGamma;
return rgb;
})(1);
function rgbSpline(spline) {
return function(colors) {
var n = colors.length,
r = new Array(n),
g = new Array(n),
b = new Array(n),
i, color;
for (i = 0; i < n; ++i) {
color = colorRgb(colors[i]);
r[i] = color.r || 0;
g[i] = color.g || 0;
b[i] = color.b || 0;
}
r = spline(r);
g = spline(g);
b = spline(b);
color.opacity = 1;
return function(t) {
color.r = r(t);
color.g = g(t);
color.b = b(t);
return color + "";
};
};
}
export var rgbBasis = rgbSpline(basis);
export var rgbBasisClosed = rgbSpline(basisClosed);

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vendor/node_modules/d3-interpolate/src/round.js generated vendored Normal file
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export default function(a, b) {
return a = +a, b = +b, function(t) {
return Math.round(a * (1 - t) + b * t);
};
}

64
vendor/node_modules/d3-interpolate/src/string.js generated vendored Normal file
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import number from "./number.js";
var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g,
reB = new RegExp(reA.source, "g");
function zero(b) {
return function() {
return b;
};
}
function one(b) {
return function(t) {
return b(t) + "";
};
}
export default function(a, b) {
var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b
am, // current match in a
bm, // current match in b
bs, // string preceding current number in b, if any
i = -1, // index in s
s = [], // string constants and placeholders
q = []; // number interpolators
// Coerce inputs to strings.
a = a + "", b = b + "";
// Interpolate pairs of numbers in a & b.
while ((am = reA.exec(a))
&& (bm = reB.exec(b))) {
if ((bs = bm.index) > bi) { // a string precedes the next number in b
bs = b.slice(bi, bs);
if (s[i]) s[i] += bs; // coalesce with previous string
else s[++i] = bs;
}
if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match
if (s[i]) s[i] += bm; // coalesce with previous string
else s[++i] = bm;
} else { // interpolate non-matching numbers
s[++i] = null;
q.push({i: i, x: number(am, bm)});
}
bi = reB.lastIndex;
}
// Add remains of b.
if (bi < b.length) {
bs = b.slice(bi);
if (s[i]) s[i] += bs; // coalesce with previous string
else s[++i] = bs;
}
// Special optimization for only a single match.
// Otherwise, interpolate each of the numbers and rejoin the string.
return s.length < 2 ? (q[0]
? one(q[0].x)
: zero(b))
: (b = q.length, function(t) {
for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t);
return s.join("");
});
}

22
vendor/node_modules/d3-interpolate/src/value.js generated vendored Normal file
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import {color} from "d3-color";
import rgb from "./rgb.js";
import {genericArray} from "./array.js";
import date from "./date.js";
import number from "./number.js";
import object from "./object.js";
import string from "./string.js";
import constant from "./constant.js";
import numberArray, {isNumberArray} from "./numberArray.js";
export default function(a, b) {
var t = typeof b, c;
return b == null || t === "boolean" ? constant(b)
: (t === "number" ? number
: t === "string" ? ((c = color(b)) ? (b = c, rgb) : string)
: b instanceof color ? rgb
: b instanceof Date ? date
: isNumberArray(b) ? numberArray
: Array.isArray(b) ? genericArray
: typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object
: number)(a, b);
}

156
vendor/node_modules/d3-path/src/path.js generated vendored Normal file
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const pi = Math.PI,
tau = 2 * pi,
epsilon = 1e-6,
tauEpsilon = tau - epsilon;
function append(strings) {
this._ += strings[0];
for (let i = 1, n = strings.length; i < n; ++i) {
this._ += arguments[i] + strings[i];
}
}
function appendRound(digits) {
let d = Math.floor(digits);
if (!(d >= 0)) throw new Error(`invalid digits: ${digits}`);
if (d > 15) return append;
const k = 10 ** d;
return function(strings) {
this._ += strings[0];
for (let i = 1, n = strings.length; i < n; ++i) {
this._ += Math.round(arguments[i] * k) / k + strings[i];
}
};
}
export class Path {
constructor(digits) {
this._x0 = this._y0 = // start of current subpath
this._x1 = this._y1 = null; // end of current subpath
this._ = "";
this._append = digits == null ? append : appendRound(digits);
}
moveTo(x, y) {
this._append`M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}`;
}
closePath() {
if (this._x1 !== null) {
this._x1 = this._x0, this._y1 = this._y0;
this._append`Z`;
}
}
lineTo(x, y) {
this._append`L${this._x1 = +x},${this._y1 = +y}`;
}
quadraticCurveTo(x1, y1, x, y) {
this._append`Q${+x1},${+y1},${this._x1 = +x},${this._y1 = +y}`;
}
bezierCurveTo(x1, y1, x2, y2, x, y) {
this._append`C${+x1},${+y1},${+x2},${+y2},${this._x1 = +x},${this._y1 = +y}`;
}
arcTo(x1, y1, x2, y2, r) {
x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r;
// Is the radius negative? Error.
if (r < 0) throw new Error(`negative radius: ${r}`);
let x0 = this._x1,
y0 = this._y1,
x21 = x2 - x1,
y21 = y2 - y1,
x01 = x0 - x1,
y01 = y0 - y1,
l01_2 = x01 * x01 + y01 * y01;
// Is this path empty? Move to (x1,y1).
if (this._x1 === null) {
this._append`M${this._x1 = x1},${this._y1 = y1}`;
}
// Or, is (x1,y1) coincident with (x0,y0)? Do nothing.
else if (!(l01_2 > epsilon));
// Or, are (x0,y0), (x1,y1) and (x2,y2) collinear?
// Equivalently, is (x1,y1) coincident with (x2,y2)?
// Or, is the radius zero? Line to (x1,y1).
else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) {
this._append`L${this._x1 = x1},${this._y1 = y1}`;
}
// Otherwise, draw an arc!
else {
let x20 = x2 - x0,
y20 = y2 - y0,
l21_2 = x21 * x21 + y21 * y21,
l20_2 = x20 * x20 + y20 * y20,
l21 = Math.sqrt(l21_2),
l01 = Math.sqrt(l01_2),
l = r * Math.tan((pi - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2),
t01 = l / l01,
t21 = l / l21;
// If the start tangent is not coincident with (x0,y0), line to.
if (Math.abs(t01 - 1) > epsilon) {
this._append`L${x1 + t01 * x01},${y1 + t01 * y01}`;
}
this._append`A${r},${r},0,0,${+(y01 * x20 > x01 * y20)},${this._x1 = x1 + t21 * x21},${this._y1 = y1 + t21 * y21}`;
}
}
arc(x, y, r, a0, a1, ccw) {
x = +x, y = +y, r = +r, ccw = !!ccw;
// Is the radius negative? Error.
if (r < 0) throw new Error(`negative radius: ${r}`);
let dx = r * Math.cos(a0),
dy = r * Math.sin(a0),
x0 = x + dx,
y0 = y + dy,
cw = 1 ^ ccw,
da = ccw ? a0 - a1 : a1 - a0;
// Is this path empty? Move to (x0,y0).
if (this._x1 === null) {
this._append`M${x0},${y0}`;
}
// Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0).
else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) {
this._append`L${x0},${y0}`;
}
// Is this arc empty? We’re done.
if (!r) return;
// Does the angle go the wrong way? Flip the direction.
if (da < 0) da = da % tau + tau;
// Is this a complete circle? Draw two arcs to complete the circle.
if (da > tauEpsilon) {
this._append`A${r},${r},0,1,${cw},${x - dx},${y - dy}A${r},${r},0,1,${cw},${this._x1 = x0},${this._y1 = y0}`;
}
// Is this arc non-empty? Draw an arc!
else if (da > epsilon) {
this._append`A${r},${r},0,${+(da >= pi)},${cw},${this._x1 = x + r * Math.cos(a1)},${this._y1 = y + r * Math.sin(a1)}`;
}
}
rect(x, y, w, h) {
this._append`M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}h${w = +w}v${+h}h${-w}Z`;
}
toString() {
return this._;
}
}
export function path() {
return new Path;
}
// Allow instanceof d3.path
path.prototype = Path.prototype;
export function pathRound(digits = 3) {
return new Path(+digits);
}

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vendor/node_modules/d3-scale/src/band.js generated vendored Normal file
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import {range as sequence} from "d3-array";
import {initRange} from "./init.js";
import ordinal from "./ordinal.js";
export default function band() {
var scale = ordinal().unknown(undefined),
domain = scale.domain,
ordinalRange = scale.range,
r0 = 0,
r1 = 1,
step,
bandwidth,
round = false,
paddingInner = 0,
paddingOuter = 0,
align = 0.5;
delete scale.unknown;
function rescale() {
var n = domain().length,
reverse = r1 < r0,
start = reverse ? r1 : r0,
stop = reverse ? r0 : r1;
step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2);
if (round) step = Math.floor(step);
start += (stop - start - step * (n - paddingInner)) * align;
bandwidth = step * (1 - paddingInner);
if (round) start = Math.round(start), bandwidth = Math.round(bandwidth);
var values = sequence(n).map(function(i) { return start + step * i; });
return ordinalRange(reverse ? values.reverse() : values);
}
scale.domain = function(_) {
return arguments.length ? (domain(_), rescale()) : domain();
};
scale.range = function(_) {
return arguments.length ? ([r0, r1] = _, r0 = +r0, r1 = +r1, rescale()) : [r0, r1];
};
scale.rangeRound = function(_) {
return [r0, r1] = _, r0 = +r0, r1 = +r1, round = true, rescale();
};
scale.bandwidth = function() {
return bandwidth;
};
scale.step = function() {
return step;
};
scale.round = function(_) {
return arguments.length ? (round = !!_, rescale()) : round;
};
scale.padding = function(_) {
return arguments.length ? (paddingInner = Math.min(1, paddingOuter = +_), rescale()) : paddingInner;
};
scale.paddingInner = function(_) {
return arguments.length ? (paddingInner = Math.min(1, _), rescale()) : paddingInner;
};
scale.paddingOuter = function(_) {
return arguments.length ? (paddingOuter = +_, rescale()) : paddingOuter;
};
scale.align = function(_) {
return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align;
};
scale.copy = function() {
return band(domain(), [r0, r1])
.round(round)
.paddingInner(paddingInner)
.paddingOuter(paddingOuter)
.align(align);
};
return initRange.apply(rescale(), arguments);
}
function pointish(scale) {
var copy = scale.copy;
scale.padding = scale.paddingOuter;
delete scale.paddingInner;
delete scale.paddingOuter;
scale.copy = function() {
return pointish(copy());
};
return scale;
}
export function point() {
return pointish(band.apply(null, arguments).paddingInner(1));
}

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vendor/node_modules/d3-scale/src/constant.js generated vendored Normal file
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export default function constants(x) {
return function() {
return x;
};
}

125
vendor/node_modules/d3-scale/src/continuous.js generated vendored Normal file
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import {bisect} from "d3-array";
import {interpolate as interpolateValue, interpolateNumber, interpolateRound} from "d3-interpolate";
import constant from "./constant.js";
import number from "./number.js";
var unit = [0, 1];
export function identity(x) {
return x;
}
function normalize(a, b) {
return (b -= (a = +a))
? function(x) { return (x - a) / b; }
: constant(isNaN(b) ? NaN : 0.5);
}
function clamper(a, b) {
var t;
if (a > b) t = a, a = b, b = t;
return function(x) { return Math.max(a, Math.min(b, x)); };
}
// normalize(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1].
// interpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding range value x in [a,b].
function bimap(domain, range, interpolate) {
var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1];
if (d1 < d0) d0 = normalize(d1, d0), r0 = interpolate(r1, r0);
else d0 = normalize(d0, d1), r0 = interpolate(r0, r1);
return function(x) { return r0(d0(x)); };
}
function polymap(domain, range, interpolate) {
var j = Math.min(domain.length, range.length) - 1,
d = new Array(j),
r = new Array(j),
i = -1;
// Reverse descending domains.
if (domain[j] < domain[0]) {
domain = domain.slice().reverse();
range = range.slice().reverse();
}
while (++i < j) {
d[i] = normalize(domain[i], domain[i + 1]);
r[i] = interpolate(range[i], range[i + 1]);
}
return function(x) {
var i = bisect(domain, x, 1, j) - 1;
return r[i](d[i](x));
};
}
export function copy(source, target) {
return target
.domain(source.domain())
.range(source.range())
.interpolate(source.interpolate())
.clamp(source.clamp())
.unknown(source.unknown());
}
export function transformer() {
var domain = unit,
range = unit,
interpolate = interpolateValue,
transform,
untransform,
unknown,
clamp = identity,
piecewise,
output,
input;
function rescale() {
var n = Math.min(domain.length, range.length);
if (clamp !== identity) clamp = clamper(domain[0], domain[n - 1]);
piecewise = n > 2 ? polymap : bimap;
output = input = null;
return scale;
}
function scale(x) {
return x == null || isNaN(x = +x) ? unknown : (output || (output = piecewise(domain.map(transform), range, interpolate)))(transform(clamp(x)));
}
scale.invert = function(y) {
return clamp(untransform((input || (input = piecewise(range, domain.map(transform), interpolateNumber)))(y)));
};
scale.domain = function(_) {
return arguments.length ? (domain = Array.from(_, number), rescale()) : domain.slice();
};
scale.range = function(_) {
return arguments.length ? (range = Array.from(_), rescale()) : range.slice();
};
scale.rangeRound = function(_) {
return range = Array.from(_), interpolate = interpolateRound, rescale();
};
scale.clamp = function(_) {
return arguments.length ? (clamp = _ ? true : identity, rescale()) : clamp !== identity;
};
scale.interpolate = function(_) {
return arguments.length ? (interpolate = _, rescale()) : interpolate;
};
scale.unknown = function(_) {
return arguments.length ? (unknown = _, scale) : unknown;
};
return function(t, u) {
transform = t, untransform = u;
return rescale();
};
}
export default function continuous() {
return transformer()(identity, identity);
}

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vendor/node_modules/d3-scale/src/diverging.js generated vendored Normal file
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import {interpolate, interpolateRound, piecewise} from "d3-interpolate";
import {identity} from "./continuous.js";
import {initInterpolator} from "./init.js";
import {linearish} from "./linear.js";
import {loggish} from "./log.js";
import {copy} from "./sequential.js";
import {symlogish} from "./symlog.js";
import {powish} from "./pow.js";
function transformer() {
var x0 = 0,
x1 = 0.5,
x2 = 1,
s = 1,
t0,
t1,
t2,
k10,
k21,
interpolator = identity,
transform,
clamp = false,
unknown;
function scale(x) {
return isNaN(x = +x) ? unknown : (x = 0.5 + ((x = +transform(x)) - t1) * (s * x < s * t1 ? k10 : k21), interpolator(clamp ? Math.max(0, Math.min(1, x)) : x));
}
scale.domain = function(_) {
return arguments.length ? ([x0, x1, x2] = _, t0 = transform(x0 = +x0), t1 = transform(x1 = +x1), t2 = transform(x2 = +x2), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1), s = t1 < t0 ? -1 : 1, scale) : [x0, x1, x2];
};
scale.clamp = function(_) {
return arguments.length ? (clamp = !!_, scale) : clamp;
};
scale.interpolator = function(_) {
return arguments.length ? (interpolator = _, scale) : interpolator;
};
function range(interpolate) {
return function(_) {
var r0, r1, r2;
return arguments.length ? ([r0, r1, r2] = _, interpolator = piecewise(interpolate, [r0, r1, r2]), scale) : [interpolator(0), interpolator(0.5), interpolator(1)];
};
}
scale.range = range(interpolate);
scale.rangeRound = range(interpolateRound);
scale.unknown = function(_) {
return arguments.length ? (unknown = _, scale) : unknown;
};
return function(t) {
transform = t, t0 = t(x0), t1 = t(x1), t2 = t(x2), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1), s = t1 < t0 ? -1 : 1;
return scale;
};
}
export default function diverging() {
var scale = linearish(transformer()(identity));
scale.copy = function() {
return copy(scale, diverging());
};
return initInterpolator.apply(scale, arguments);
}
export function divergingLog() {
var scale = loggish(transformer()).domain([0.1, 1, 10]);
scale.copy = function() {
return copy(scale, divergingLog()).base(scale.base());
};
return initInterpolator.apply(scale, arguments);
}
export function divergingSymlog() {
var scale = symlogish(transformer());
scale.copy = function() {
return copy(scale, divergingSymlog()).constant(scale.constant());
};
return initInterpolator.apply(scale, arguments);
}
export function divergingPow() {
var scale = powish(transformer());
scale.copy = function() {
return copy(scale, divergingPow()).exponent(scale.exponent());
};
return initInterpolator.apply(scale, arguments);
}
export function divergingSqrt() {
return divergingPow.apply(null, arguments).exponent(0.5);
}

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vendor/node_modules/d3-scale/src/identity.js generated vendored Normal file
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import {linearish} from "./linear.js";
import number from "./number.js";
export default function identity(domain) {
var unknown;
function scale(x) {
return x == null || isNaN(x = +x) ? unknown : x;
}
scale.invert = scale;
scale.domain = scale.range = function(_) {
return arguments.length ? (domain = Array.from(_, number), scale) : domain.slice();
};
scale.unknown = function(_) {
return arguments.length ? (unknown = _, scale) : unknown;
};
scale.copy = function() {
return identity(domain).unknown(unknown);
};
domain = arguments.length ? Array.from(domain, number) : [0, 1];
return linearish(scale);
}

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vendor/node_modules/d3-scale/src/index.js generated vendored Normal file
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export {
default as scaleBand,
point as scalePoint
} from "./band.js";
export {
default as scaleIdentity
} from "./identity.js";
export {
default as scaleLinear
} from "./linear.js";
export {
default as scaleLog
} from "./log.js";
export {
default as scaleSymlog
} from "./symlog.js";
export {
default as scaleOrdinal,
implicit as scaleImplicit
} from "./ordinal.js";
export {
default as scalePow,
sqrt as scaleSqrt
} from "./pow.js";
export {
default as scaleRadial
} from "./radial.js";
export {
default as scaleQuantile
} from "./quantile.js";
export {
default as scaleQuantize
} from "./quantize.js";
export {
default as scaleThreshold
} from "./threshold.js";
export {
default as scaleTime
} from "./time.js";
export {
default as scaleUtc
} from "./utcTime.js";
export {
default as scaleSequential,
sequentialLog as scaleSequentialLog,
sequentialPow as scaleSequentialPow,
sequentialSqrt as scaleSequentialSqrt,
sequentialSymlog as scaleSequentialSymlog
} from "./sequential.js";
export {
default as scaleSequentialQuantile
} from "./sequentialQuantile.js";
export {
default as scaleDiverging,
divergingLog as scaleDivergingLog,
divergingPow as scaleDivergingPow,
divergingSqrt as scaleDivergingSqrt,
divergingSymlog as scaleDivergingSymlog
} from "./diverging.js";
export {
default as tickFormat
} from "./tickFormat.js";

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vendor/node_modules/d3-scale/src/init.js generated vendored Normal file
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export function initRange(domain, range) {
switch (arguments.length) {
case 0: break;
case 1: this.range(domain); break;
default: this.range(range).domain(domain); break;
}
return this;
}
export function initInterpolator(domain, interpolator) {
switch (arguments.length) {
case 0: break;
case 1: {
if (typeof domain === "function") this.interpolator(domain);
else this.range(domain);
break;
}
default: {
this.domain(domain);
if (typeof interpolator === "function") this.interpolator(interpolator);
else this.range(interpolator);
break;
}
}
return this;
}

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vendor/node_modules/d3-scale/src/linear.js generated vendored Normal file
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import {ticks, tickIncrement} from "d3-array";
import continuous, {copy} from "./continuous.js";
import {initRange} from "./init.js";
import tickFormat from "./tickFormat.js";
export function linearish(scale) {
var domain = scale.domain;
scale.ticks = function(count) {
var d = domain();
return ticks(d[0], d[d.length - 1], count == null ? 10 : count);
};
scale.tickFormat = function(count, specifier) {
var d = domain();
return tickFormat(d[0], d[d.length - 1], count == null ? 10 : count, specifier);
};
scale.nice = function(count) {
if (count == null) count = 10;
var d = domain();
var i0 = 0;
var i1 = d.length - 1;
var start = d[i0];
var stop = d[i1];
var prestep;
var step;
var maxIter = 10;
if (stop < start) {
step = start, start = stop, stop = step;
step = i0, i0 = i1, i1 = step;
}
while (maxIter-- > 0) {
step = tickIncrement(start, stop, count);
if (step === prestep) {
d[i0] = start
d[i1] = stop
return domain(d);
} else if (step > 0) {
start = Math.floor(start / step) * step;
stop = Math.ceil(stop / step) * step;
} else if (step < 0) {
start = Math.ceil(start * step) / step;
stop = Math.floor(stop * step) / step;
} else {
break;
}
prestep = step;
}
return scale;
};
return scale;
}
export default function linear() {
var scale = continuous();
scale.copy = function() {
return copy(scale, linear());
};
initRange.apply(scale, arguments);
return linearish(scale);
}

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vendor/node_modules/d3-scale/src/log.js generated vendored Normal file
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import {ticks} from "d3-array";
import {format, formatSpecifier} from "d3-format";
import nice from "./nice.js";
import {copy, transformer} from "./continuous.js";
import {initRange} from "./init.js";
function transformLog(x) {
return Math.log(x);
}
function transformExp(x) {
return Math.exp(x);
}
function transformLogn(x) {
return -Math.log(-x);
}
function transformExpn(x) {
return -Math.exp(-x);
}
function pow10(x) {
return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x;
}
function powp(base) {
return base === 10 ? pow10
: base === Math.E ? Math.exp
: x => Math.pow(base, x);
}
function logp(base) {
return base === Math.E ? Math.log
: base === 10 && Math.log10
|| base === 2 && Math.log2
|| (base = Math.log(base), x => Math.log(x) / base);
}
function reflect(f) {
return (x, k) => -f(-x, k);
}
export function loggish(transform) {
const scale = transform(transformLog, transformExp);
const domain = scale.domain;
let base = 10;
let logs;
let pows;
function rescale() {
logs = logp(base), pows = powp(base);
if (domain()[0] < 0) {
logs = reflect(logs), pows = reflect(pows);
transform(transformLogn, transformExpn);
} else {
transform(transformLog, transformExp);
}
return scale;
}
scale.base = function(_) {
return arguments.length ? (base = +_, rescale()) : base;
};
scale.domain = function(_) {
return arguments.length ? (domain(_), rescale()) : domain();
};
scale.ticks = count => {
const d = domain();
let u = d[0];
let v = d[d.length - 1];
const r = v < u;
if (r) ([u, v] = [v, u]);
let i = logs(u);
let j = logs(v);
let k;
let t;
const n = count == null ? 10 : +count;
let z = [];
if (!(base % 1) && j - i < n) {
i = Math.floor(i), j = Math.ceil(j);
if (u > 0) for (; i <= j; ++i) {
for (k = 1; k < base; ++k) {
t = i < 0 ? k / pows(-i) : k * pows(i);
if (t < u) continue;
if (t > v) break;
z.push(t);
}
} else for (; i <= j; ++i) {
for (k = base - 1; k >= 1; --k) {
t = i > 0 ? k / pows(-i) : k * pows(i);
if (t < u) continue;
if (t > v) break;
z.push(t);
}
}
if (z.length * 2 < n) z = ticks(u, v, n);
} else {
z = ticks(i, j, Math.min(j - i, n)).map(pows);
}
return r ? z.reverse() : z;
};
scale.tickFormat = (count, specifier) => {
if (count == null) count = 10;
if (specifier == null) specifier = base === 10 ? "s" : ",";
if (typeof specifier !== "function") {
if (!(base % 1) && (specifier = formatSpecifier(specifier)).precision == null) specifier.trim = true;
specifier = format(specifier);
}
if (count === Infinity) return specifier;
const k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate?
return d => {
let i = d / pows(Math.round(logs(d)));
if (i * base < base - 0.5) i *= base;
return i <= k ? specifier(d) : "";
};
};
scale.nice = () => {
return domain(nice(domain(), {
floor: x => pows(Math.floor(logs(x))),
ceil: x => pows(Math.ceil(logs(x)))
}));
};
return scale;
}
export default function log() {
const scale = loggish(transformer()).domain([1, 10]);
scale.copy = () => copy(scale, log()).base(scale.base());
initRange.apply(scale, arguments);
return scale;
}

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vendor/node_modules/d3-scale/src/nice.js generated vendored Normal file
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export default function nice(domain, interval) {
domain = domain.slice();
var i0 = 0,
i1 = domain.length - 1,
x0 = domain[i0],
x1 = domain[i1],
t;
if (x1 < x0) {
t = i0, i0 = i1, i1 = t;
t = x0, x0 = x1, x1 = t;
}
domain[i0] = interval.floor(x0);
domain[i1] = interval.ceil(x1);
return domain;
}

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vendor/node_modules/d3-scale/src/number.js generated vendored Normal file
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export default function number(x) {
return +x;
}

46
vendor/node_modules/d3-scale/src/ordinal.js generated vendored Normal file
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import {InternMap} from "d3-array";
import {initRange} from "./init.js";
export const implicit = Symbol("implicit");
export default function ordinal() {
var index = new InternMap(),
domain = [],
range = [],
unknown = implicit;
function scale(d) {
let i = index.get(d);
if (i === undefined) {
if (unknown !== implicit) return unknown;
index.set(d, i = domain.push(d) - 1);
}
return range[i % range.length];
}
scale.domain = function(_) {
if (!arguments.length) return domain.slice();
domain = [], index = new InternMap();
for (const value of _) {
if (index.has(value)) continue;
index.set(value, domain.push(value) - 1);
}
return scale;
};
scale.range = function(_) {
return arguments.length ? (range = Array.from(_), scale) : range.slice();
};
scale.unknown = function(_) {
return arguments.length ? (unknown = _, scale) : unknown;
};
scale.copy = function() {
return ordinal(domain, range).unknown(unknown);
};
initRange.apply(scale, arguments);
return scale;
}

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vendor/node_modules/d3-scale/src/pow.js generated vendored Normal file
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import {linearish} from "./linear.js";
import {copy, identity, transformer} from "./continuous.js";
import {initRange} from "./init.js";
function transformPow(exponent) {
return function(x) {
return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent);
};
}
function transformSqrt(x) {
return x < 0 ? -Math.sqrt(-x) : Math.sqrt(x);
}
function transformSquare(x) {
return x < 0 ? -x * x : x * x;
}
export function powish(transform) {
var scale = transform(identity, identity),
exponent = 1;
function rescale() {
return exponent === 1 ? transform(identity, identity)
: exponent === 0.5 ? transform(transformSqrt, transformSquare)
: transform(transformPow(exponent), transformPow(1 / exponent));
}
scale.exponent = function(_) {
return arguments.length ? (exponent = +_, rescale()) : exponent;
};
return linearish(scale);
}
export default function pow() {
var scale = powish(transformer());
scale.copy = function() {
return copy(scale, pow()).exponent(scale.exponent());
};
initRange.apply(scale, arguments);
return scale;
}
export function sqrt() {
return pow.apply(null, arguments).exponent(0.5);
}

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vendor/node_modules/d3-scale/src/quantile.js generated vendored Normal file
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import {ascending, bisect, quantileSorted as threshold} from "d3-array";
import {initRange} from "./init.js";
export default function quantile() {
var domain = [],
range = [],
thresholds = [],
unknown;
function rescale() {
var i = 0, n = Math.max(1, range.length);
thresholds = new Array(n - 1);
while (++i < n) thresholds[i - 1] = threshold(domain, i / n);
return scale;
}
function scale(x) {
return x == null || isNaN(x = +x) ? unknown : range[bisect(thresholds, x)];
}
scale.invertExtent = function(y) {
var i = range.indexOf(y);
return i < 0 ? [NaN, NaN] : [
i > 0 ? thresholds[i - 1] : domain[0],
i < thresholds.length ? thresholds[i] : domain[domain.length - 1]
];
};
scale.domain = function(_) {
if (!arguments.length) return domain.slice();
domain = [];
for (let d of _) if (d != null && !isNaN(d = +d)) domain.push(d);
domain.sort(ascending);
return rescale();
};
scale.range = function(_) {
return arguments.length ? (range = Array.from(_), rescale()) : range.slice();
};
scale.unknown = function(_) {
return arguments.length ? (unknown = _, scale) : unknown;
};
scale.quantiles = function() {
return thresholds.slice();
};
scale.copy = function() {
return quantile()
.domain(domain)
.range(range)
.unknown(unknown);
};
return initRange.apply(scale, arguments);
}

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vendor/node_modules/d3-scale/src/quantize.js generated vendored Normal file
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import {bisect} from "d3-array";
import {linearish} from "./linear.js";
import {initRange} from "./init.js";
export default function quantize() {
var x0 = 0,
x1 = 1,
n = 1,
domain = [0.5],
range = [0, 1],
unknown;
function scale(x) {
return x != null && x <= x ? range[bisect(domain, x, 0, n)] : unknown;
}
function rescale() {
var i = -1;
domain = new Array(n);
while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1);
return scale;
}
scale.domain = function(_) {
return arguments.length ? ([x0, x1] = _, x0 = +x0, x1 = +x1, rescale()) : [x0, x1];
};
scale.range = function(_) {
return arguments.length ? (n = (range = Array.from(_)).length - 1, rescale()) : range.slice();
};
scale.invertExtent = function(y) {
var i = range.indexOf(y);
return i < 0 ? [NaN, NaN]
: i < 1 ? [x0, domain[0]]
: i >= n ? [domain[n - 1], x1]
: [domain[i - 1], domain[i]];
};
scale.unknown = function(_) {
return arguments.length ? (unknown = _, scale) : scale;
};
scale.thresholds = function() {
return domain.slice();
};
scale.copy = function() {
return quantize()
.domain([x0, x1])
.range(range)
.unknown(unknown);
};
return initRange.apply(linearish(scale), arguments);
}

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vendor/node_modules/d3-scale/src/radial.js generated vendored Normal file
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import continuous from "./continuous.js";
import {initRange} from "./init.js";
import {linearish} from "./linear.js";
import number from "./number.js";
function square(x) {
return Math.sign(x) * x * x;
}
function unsquare(x) {
return Math.sign(x) * Math.sqrt(Math.abs(x));
}
export default function radial() {
var squared = continuous(),
range = [0, 1],
round = false,
unknown;
function scale(x) {
var y = unsquare(squared(x));
return isNaN(y) ? unknown : round ? Math.round(y) : y;
}
scale.invert = function(y) {
return squared.invert(square(y));
};
scale.domain = function(_) {
return arguments.length ? (squared.domain(_), scale) : squared.domain();
};
scale.range = function(_) {
return arguments.length ? (squared.range((range = Array.from(_, number)).map(square)), scale) : range.slice();
};
scale.rangeRound = function(_) {
return scale.range(_).round(true);
};
scale.round = function(_) {
return arguments.length ? (round = !!_, scale) : round;
};
scale.clamp = function(_) {
return arguments.length ? (squared.clamp(_), scale) : squared.clamp();
};
scale.unknown = function(_) {
return arguments.length ? (unknown = _, scale) : unknown;
};
scale.copy = function() {
return radial(squared.domain(), range)
.round(round)
.clamp(squared.clamp())
.unknown(unknown);
};
initRange.apply(scale, arguments);
return linearish(scale);
}

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vendor/node_modules/d3-scale/src/sequential.js generated vendored Normal file
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import {interpolate, interpolateRound} from "d3-interpolate";
import {identity} from "./continuous.js";
import {initInterpolator} from "./init.js";
import {linearish} from "./linear.js";
import {loggish} from "./log.js";
import {symlogish} from "./symlog.js";
import {powish} from "./pow.js";
function transformer() {
var x0 = 0,
x1 = 1,
t0,
t1,
k10,
transform,
interpolator = identity,
clamp = false,
unknown;
function scale(x) {
return x == null || isNaN(x = +x) ? unknown : interpolator(k10 === 0 ? 0.5 : (x = (transform(x) - t0) * k10, clamp ? Math.max(0, Math.min(1, x)) : x));
}
scale.domain = function(_) {
return arguments.length ? ([x0, x1] = _, t0 = transform(x0 = +x0), t1 = transform(x1 = +x1), k10 = t0 === t1 ? 0 : 1 / (t1 - t0), scale) : [x0, x1];
};
scale.clamp = function(_) {
return arguments.length ? (clamp = !!_, scale) : clamp;
};
scale.interpolator = function(_) {
return arguments.length ? (interpolator = _, scale) : interpolator;
};
function range(interpolate) {
return function(_) {
var r0, r1;
return arguments.length ? ([r0, r1] = _, interpolator = interpolate(r0, r1), scale) : [interpolator(0), interpolator(1)];
};
}
scale.range = range(interpolate);
scale.rangeRound = range(interpolateRound);
scale.unknown = function(_) {
return arguments.length ? (unknown = _, scale) : unknown;
};
return function(t) {
transform = t, t0 = t(x0), t1 = t(x1), k10 = t0 === t1 ? 0 : 1 / (t1 - t0);
return scale;
};
}
export function copy(source, target) {
return target
.domain(source.domain())
.interpolator(source.interpolator())
.clamp(source.clamp())
.unknown(source.unknown());
}
export default function sequential() {
var scale = linearish(transformer()(identity));
scale.copy = function() {
return copy(scale, sequential());
};
return initInterpolator.apply(scale, arguments);
}
export function sequentialLog() {
var scale = loggish(transformer()).domain([1, 10]);
scale.copy = function() {
return copy(scale, sequentialLog()).base(scale.base());
};
return initInterpolator.apply(scale, arguments);
}
export function sequentialSymlog() {
var scale = symlogish(transformer());
scale.copy = function() {
return copy(scale, sequentialSymlog()).constant(scale.constant());
};
return initInterpolator.apply(scale, arguments);
}
export function sequentialPow() {
var scale = powish(transformer());
scale.copy = function() {
return copy(scale, sequentialPow()).exponent(scale.exponent());
};
return initInterpolator.apply(scale, arguments);
}
export function sequentialSqrt() {
return sequentialPow.apply(null, arguments).exponent(0.5);
}

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vendor/node_modules/d3-scale/src/sequentialQuantile.js generated vendored Normal file
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import {ascending, bisect, quantile} from "d3-array";
import {identity} from "./continuous.js";
import {initInterpolator} from "./init.js";
export default function sequentialQuantile() {
var domain = [],
interpolator = identity;
function scale(x) {
if (x != null && !isNaN(x = +x)) return interpolator((bisect(domain, x, 1) - 1) / (domain.length - 1));
}
scale.domain = function(_) {
if (!arguments.length) return domain.slice();
domain = [];
for (let d of _) if (d != null && !isNaN(d = +d)) domain.push(d);
domain.sort(ascending);
return scale;
};
scale.interpolator = function(_) {
return arguments.length ? (interpolator = _, scale) : interpolator;
};
scale.range = function() {
return domain.map((d, i) => interpolator(i / (domain.length - 1)));
};
scale.quantiles = function(n) {
return Array.from({length: n + 1}, (_, i) => quantile(domain, i / n));
};
scale.copy = function() {
return sequentialQuantile(interpolator).domain(domain);
};
return initInterpolator.apply(scale, arguments);
}

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vendor/node_modules/d3-scale/src/symlog.js generated vendored Normal file
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import {linearish} from "./linear.js";
import {copy, transformer} from "./continuous.js";
import {initRange} from "./init.js";
function transformSymlog(c) {
return function(x) {
return Math.sign(x) * Math.log1p(Math.abs(x / c));
};
}
function transformSymexp(c) {
return function(x) {
return Math.sign(x) * Math.expm1(Math.abs(x)) * c;
};
}
export function symlogish(transform) {
var c = 1, scale = transform(transformSymlog(c), transformSymexp(c));
scale.constant = function(_) {
return arguments.length ? transform(transformSymlog(c = +_), transformSymexp(c)) : c;
};
return linearish(scale);
}
export default function symlog() {
var scale = symlogish(transformer());
scale.copy = function() {
return copy(scale, symlog()).constant(scale.constant());
};
return initRange.apply(scale, arguments);
}

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vendor/node_modules/d3-scale/src/threshold.js generated vendored Normal file
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import {bisect} from "d3-array";
import {initRange} from "./init.js";
export default function threshold() {
var domain = [0.5],
range = [0, 1],
unknown,
n = 1;
function scale(x) {
return x != null && x <= x ? range[bisect(domain, x, 0, n)] : unknown;
}
scale.domain = function(_) {
return arguments.length ? (domain = Array.from(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice();
};
scale.range = function(_) {
return arguments.length ? (range = Array.from(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice();
};
scale.invertExtent = function(y) {
var i = range.indexOf(y);
return [domain[i - 1], domain[i]];
};
scale.unknown = function(_) {
return arguments.length ? (unknown = _, scale) : unknown;
};
scale.copy = function() {
return threshold()
.domain(domain)
.range(range)
.unknown(unknown);
};
return initRange.apply(scale, arguments);
}

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vendor/node_modules/d3-scale/src/tickFormat.js generated vendored Normal file
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import {tickStep} from "d3-array";
import {format, formatPrefix, formatSpecifier, precisionFixed, precisionPrefix, precisionRound} from "d3-format";
export default function tickFormat(start, stop, count, specifier) {
var step = tickStep(start, stop, count),
precision;
specifier = formatSpecifier(specifier == null ? ",f" : specifier);
switch (specifier.type) {
case "s": {
var value = Math.max(Math.abs(start), Math.abs(stop));
if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision;
return formatPrefix(specifier, value);
}
case "":
case "e":
case "g":
case "p":
case "r": {
if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e");
break;
}
case "f":
case "%": {
if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2;
break;
}
}
return format(specifier);
}

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vendor/node_modules/d3-scale/src/time.js generated vendored Normal file
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import {timeYear, timeMonth, timeWeek, timeDay, timeHour, timeMinute, timeSecond, timeTicks, timeTickInterval} from "d3-time";
import {timeFormat} from "d3-time-format";
import continuous, {copy} from "./continuous.js";
import {initRange} from "./init.js";
import nice from "./nice.js";
function date(t) {
return new Date(t);
}
function number(t) {
return t instanceof Date ? +t : +new Date(+t);
}
export function calendar(ticks, tickInterval, year, month, week, day, hour, minute, second, format) {
var scale = continuous(),
invert = scale.invert,
domain = scale.domain;
var formatMillisecond = format(".%L"),
formatSecond = format(":%S"),
formatMinute = format("%I:%M"),
formatHour = format("%I %p"),
formatDay = format("%a %d"),
formatWeek = format("%b %d"),
formatMonth = format("%B"),
formatYear = format("%Y");
function tickFormat(date) {
return (second(date) < date ? formatMillisecond
: minute(date) < date ? formatSecond
: hour(date) < date ? formatMinute
: day(date) < date ? formatHour
: month(date) < date ? (week(date) < date ? formatDay : formatWeek)
: year(date) < date ? formatMonth
: formatYear)(date);
}
scale.invert = function(y) {
return new Date(invert(y));
};
scale.domain = function(_) {
return arguments.length ? domain(Array.from(_, number)) : domain().map(date);
};
scale.ticks = function(interval) {
var d = domain();
return ticks(d[0], d[d.length - 1], interval == null ? 10 : interval);
};
scale.tickFormat = function(count, specifier) {
return specifier == null ? tickFormat : format(specifier);
};
scale.nice = function(interval) {
var d = domain();
if (!interval || typeof interval.range !== "function") interval = tickInterval(d[0], d[d.length - 1], interval == null ? 10 : interval);
return interval ? domain(nice(d, interval)) : scale;
};
scale.copy = function() {
return copy(scale, calendar(ticks, tickInterval, year, month, week, day, hour, minute, second, format));
};
return scale;
}
export default function time() {
return initRange.apply(calendar(timeTicks, timeTickInterval, timeYear, timeMonth, timeWeek, timeDay, timeHour, timeMinute, timeSecond, timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments);
}

8
vendor/node_modules/d3-scale/src/utcTime.js generated vendored Normal file
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import {utcYear, utcMonth, utcWeek, utcDay, utcHour, utcMinute, utcSecond, utcTicks, utcTickInterval} from "d3-time";
import {utcFormat} from "d3-time-format";
import {calendar} from "./time.js";
import {initRange} from "./init.js";
export default function utcTime() {
return initRange.apply(calendar(utcTicks, utcTickInterval, utcYear, utcMonth, utcWeek, utcDay, utcHour, utcMinute, utcSecond, utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]), arguments);
}

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vendor/node_modules/d3-shape/src/area.js generated vendored Normal file
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import array from "./array.js";
import constant from "./constant.js";
import curveLinear from "./curve/linear.js";
import line from "./line.js";
import {withPath} from "./path.js";
import {x as pointX, y as pointY} from "./point.js";
export default function(x0, y0, y1) {
var x1 = null,
defined = constant(true),
context = null,
curve = curveLinear,
output = null,
path = withPath(area);
x0 = typeof x0 === "function" ? x0 : (x0 === undefined) ? pointX : constant(+x0);
y0 = typeof y0 === "function" ? y0 : (y0 === undefined) ? constant(0) : constant(+y0);
y1 = typeof y1 === "function" ? y1 : (y1 === undefined) ? pointY : constant(+y1);
function area(data) {
var i,
j,
k,
n = (data = array(data)).length,
d,
defined0 = false,
buffer,
x0z = new Array(n),
y0z = new Array(n);
if (context == null) output = curve(buffer = path());
for (i = 0; i <= n; ++i) {
if (!(i < n && defined(d = data[i], i, data)) === defined0) {
if (defined0 = !defined0) {
j = i;
output.areaStart();
output.lineStart();
} else {
output.lineEnd();
output.lineStart();
for (k = i - 1; k >= j; --k) {
output.point(x0z[k], y0z[k]);
}
output.lineEnd();
output.areaEnd();
}
}
if (defined0) {
x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data);
output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]);
}
}
if (buffer) return output = null, buffer + "" || null;
}
function arealine() {
return line().defined(defined).curve(curve).context(context);
}
area.x = function(_) {
return arguments.length ? (x0 = typeof _ === "function" ? _ : constant(+_), x1 = null, area) : x0;
};
area.x0 = function(_) {
return arguments.length ? (x0 = typeof _ === "function" ? _ : constant(+_), area) : x0;
};
area.x1 = function(_) {
return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant(+_), area) : x1;
};
area.y = function(_) {
return arguments.length ? (y0 = typeof _ === "function" ? _ : constant(+_), y1 = null, area) : y0;
};
area.y0 = function(_) {
return arguments.length ? (y0 = typeof _ === "function" ? _ : constant(+_), area) : y0;
};
area.y1 = function(_) {
return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant(+_), area) : y1;
};
area.lineX0 =
area.lineY0 = function() {
return arealine().x(x0).y(y0);
};
area.lineY1 = function() {
return arealine().x(x0).y(y1);
};
area.lineX1 = function() {
return arealine().x(x1).y(y0);
};
area.defined = function(_) {
return arguments.length ? (defined = typeof _ === "function" ? _ : constant(!!_), area) : defined;
};
area.curve = function(_) {
return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve;
};
area.context = function(_) {
return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context;
};
return area;
}

7
vendor/node_modules/d3-shape/src/array.js generated vendored Normal file
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export var slice = Array.prototype.slice;
export default function(x) {
return typeof x === "object" && "length" in x
? x // Array, TypedArray, NodeList, array-like
: Array.from(x); // Map, Set, iterable, string, or anything else
}

5
vendor/node_modules/d3-shape/src/constant.js generated vendored Normal file
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export default function(x) {
return function constant() {
return x;
};
}

51
vendor/node_modules/d3-shape/src/curve/basis.js generated vendored Normal file
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export function point(that, x, y) {
that._context.bezierCurveTo(
(2 * that._x0 + that._x1) / 3,
(2 * that._y0 + that._y1) / 3,
(that._x0 + 2 * that._x1) / 3,
(that._y0 + 2 * that._y1) / 3,
(that._x0 + 4 * that._x1 + x) / 6,
(that._y0 + 4 * that._y1 + y) / 6
);
}
export function Basis(context) {
this._context = context;
}
Basis.prototype = {
areaStart: function() {
this._line = 0;
},
areaEnd: function() {
this._line = NaN;
},
lineStart: function() {
this._x0 = this._x1 =
this._y0 = this._y1 = NaN;
this._point = 0;
},
lineEnd: function() {
switch (this._point) {
case 3: point(this, this._x1, this._y1); // falls through
case 2: this._context.lineTo(this._x1, this._y1); break;
}
if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
this._line = 1 - this._line;
},
point: function(x, y) {
x = +x, y = +y;
switch (this._point) {
case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
case 1: this._point = 2; break;
case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // falls through
default: point(this, x, y); break;
}
this._x0 = this._x1, this._x1 = x;
this._y0 = this._y1, this._y1 = y;
}
};
export default function(context) {
return new Basis(context);
}

52
vendor/node_modules/d3-shape/src/curve/basisClosed.js generated vendored Normal file
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import noop from "../noop.js";
import {point} from "./basis.js";
function BasisClosed(context) {
this._context = context;
}
BasisClosed.prototype = {
areaStart: noop,
areaEnd: noop,
lineStart: function() {
this._x0 = this._x1 = this._x2 = this._x3 = this._x4 =
this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN;
this._point = 0;
},
lineEnd: function() {
switch (this._point) {
case 1: {
this._context.moveTo(this._x2, this._y2);
this._context.closePath();
break;
}
case 2: {
this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3);
this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3);
this._context.closePath();
break;
}
case 3: {
this.point(this._x2, this._y2);
this.point(this._x3, this._y3);
this.point(this._x4, this._y4);
break;
}
}
},
point: function(x, y) {
x = +x, y = +y;
switch (this._point) {
case 0: this._point = 1; this._x2 = x, this._y2 = y; break;
case 1: this._point = 2; this._x3 = x, this._y3 = y; break;
case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break;
default: point(this, x, y); break;
}
this._x0 = this._x1, this._x1 = x;
this._y0 = this._y1, this._y1 = y;
}
};
export default function(context) {
return new BasisClosed(context);
}

39
vendor/node_modules/d3-shape/src/curve/basisOpen.js generated vendored Normal file
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import {point} from "./basis.js";
function BasisOpen(context) {
this._context = context;
}
BasisOpen.prototype = {
areaStart: function() {
this._line = 0;
},
areaEnd: function() {
this._line = NaN;
},
lineStart: function() {
this._x0 = this._x1 =
this._y0 = this._y1 = NaN;
this._point = 0;
},
lineEnd: function() {
if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath();
this._line = 1 - this._line;
},
point: function(x, y) {
x = +x, y = +y;
switch (this._point) {
case 0: this._point = 1; break;
case 1: this._point = 2; break;
case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break;
case 3: this._point = 4; // falls through
default: point(this, x, y); break;
}
this._x0 = this._x1, this._x1 = x;
this._y0 = this._y1, this._y1 = y;
}
};
export default function(context) {
return new BasisOpen(context);
}

75
vendor/node_modules/d3-shape/src/curve/bump.js generated vendored Normal file
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import pointRadial from "../pointRadial.js";
class Bump {
constructor(context, x) {
this._context = context;
this._x = x;
}
areaStart() {
this._line = 0;
}
areaEnd() {
this._line = NaN;
}
lineStart() {
this._point = 0;
}
lineEnd() {
if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
this._line = 1 - this._line;
}
point(x, y) {
x = +x, y = +y;
switch (this._point) {
case 0: {
this._point = 1;
if (this._line) this._context.lineTo(x, y);
else this._context.moveTo(x, y);
break;
}
case 1: this._point = 2; // falls through
default: {
if (this._x) this._context.bezierCurveTo(this._x0 = (this._x0 + x) / 2, this._y0, this._x0, y, x, y);
else this._context.bezierCurveTo(this._x0, this._y0 = (this._y0 + y) / 2, x, this._y0, x, y);
break;
}
}
this._x0 = x, this._y0 = y;
}
}
class BumpRadial {
constructor(context) {
this._context = context;
}
lineStart() {
this._point = 0;
}
lineEnd() {}
point(x, y) {
x = +x, y = +y;
if (this._point === 0) {
this._point = 1;
} else {
const p0 = pointRadial(this._x0, this._y0);
const p1 = pointRadial(this._x0, this._y0 = (this._y0 + y) / 2);
const p2 = pointRadial(x, this._y0);
const p3 = pointRadial(x, y);
this._context.moveTo(...p0);
this._context.bezierCurveTo(...p1, ...p2, ...p3);
}
this._x0 = x, this._y0 = y;
}
}
export function bumpX(context) {
return new Bump(context, true);
}
export function bumpY(context) {
return new Bump(context, false);
}
export function bumpRadial(context) {
return new BumpRadial(context);
}

31
vendor/node_modules/d3-shape/src/curve/linear.js generated vendored Normal file
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function Linear(context) {
this._context = context;
}
Linear.prototype = {
areaStart: function() {
this._line = 0;
},
areaEnd: function() {
this._line = NaN;
},
lineStart: function() {
this._point = 0;
},
lineEnd: function() {
if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
this._line = 1 - this._line;
},
point: function(x, y) {
x = +x, y = +y;
switch (this._point) {
case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
case 1: this._point = 2; // falls through
default: this._context.lineTo(x, y); break;
}
}
};
export default function(context) {
return new Linear(context);
}

25
vendor/node_modules/d3-shape/src/curve/linearClosed.js generated vendored Normal file
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import noop from "../noop.js";
function LinearClosed(context) {
this._context = context;
}
LinearClosed.prototype = {
areaStart: noop,
areaEnd: noop,
lineStart: function() {
this._point = 0;
},
lineEnd: function() {
if (this._point) this._context.closePath();
},
point: function(x, y) {
x = +x, y = +y;
if (this._point) this._context.lineTo(x, y);
else this._point = 1, this._context.moveTo(x, y);
}
};
export default function(context) {
return new LinearClosed(context);
}

104
vendor/node_modules/d3-shape/src/curve/monotone.js generated vendored Normal file
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function sign(x) {
return x < 0 ? -1 : 1;
}
// Calculate the slopes of the tangents (Hermite-type interpolation) based on
// the following paper: Steffen, M. 1990. A Simple Method for Monotonic
// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO.
// NOV(II), P. 443, 1990.
function slope3(that, x2, y2) {
var h0 = that._x1 - that._x0,
h1 = x2 - that._x1,
s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0),
s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0),
p = (s0 * h1 + s1 * h0) / (h0 + h1);
return (sign(s0) + sign(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0;
}
// Calculate a one-sided slope.
function slope2(that, t) {
var h = that._x1 - that._x0;
return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t;
}
// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations
// "you can express cubic Hermite interpolation in terms of cubic Bézier curves
// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1".
function point(that, t0, t1) {
var x0 = that._x0,
y0 = that._y0,
x1 = that._x1,
y1 = that._y1,
dx = (x1 - x0) / 3;
that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1);
}
function MonotoneX(context) {
this._context = context;
}
MonotoneX.prototype = {
areaStart: function() {
this._line = 0;
},
areaEnd: function() {
this._line = NaN;
},
lineStart: function() {
this._x0 = this._x1 =
this._y0 = this._y1 =
this._t0 = NaN;
this._point = 0;
},
lineEnd: function() {
switch (this._point) {
case 2: this._context.lineTo(this._x1, this._y1); break;
case 3: point(this, this._t0, slope2(this, this._t0)); break;
}
if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
this._line = 1 - this._line;
},
point: function(x, y) {
var t1 = NaN;
x = +x, y = +y;
if (x === this._x1 && y === this._y1) return; // Ignore coincident points.
switch (this._point) {
case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
case 1: this._point = 2; break;
case 2: this._point = 3; point(this, slope2(this, t1 = slope3(this, x, y)), t1); break;
default: point(this, this._t0, t1 = slope3(this, x, y)); break;
}
this._x0 = this._x1, this._x1 = x;
this._y0 = this._y1, this._y1 = y;
this._t0 = t1;
}
}
function MonotoneY(context) {
this._context = new ReflectContext(context);
}
(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) {
MonotoneX.prototype.point.call(this, y, x);
};
function ReflectContext(context) {
this._context = context;
}
ReflectContext.prototype = {
moveTo: function(x, y) { this._context.moveTo(y, x); },
closePath: function() { this._context.closePath(); },
lineTo: function(x, y) { this._context.lineTo(y, x); },
bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); }
};
export function monotoneX(context) {
return new MonotoneX(context);
}
export function monotoneY(context) {
return new MonotoneY(context);
}

65
vendor/node_modules/d3-shape/src/curve/natural.js generated vendored Normal file
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function Natural(context) {
this._context = context;
}
Natural.prototype = {
areaStart: function() {
this._line = 0;
},
areaEnd: function() {
this._line = NaN;
},
lineStart: function() {
this._x = [];
this._y = [];
},
lineEnd: function() {
var x = this._x,
y = this._y,
n = x.length;
if (n) {
this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]);
if (n === 2) {
this._context.lineTo(x[1], y[1]);
} else {
var px = controlPoints(x),
py = controlPoints(y);
for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) {
this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]);
}
}
}
if (this._line || (this._line !== 0 && n === 1)) this._context.closePath();
this._line = 1 - this._line;
this._x = this._y = null;
},
point: function(x, y) {
this._x.push(+x);
this._y.push(+y);
}
};
// See https://www.particleincell.com/2012/bezier-splines/ for derivation.
function controlPoints(x) {
var i,
n = x.length - 1,
m,
a = new Array(n),
b = new Array(n),
r = new Array(n);
a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1];
for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1];
a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n];
for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1];
a[n - 1] = r[n - 1] / b[n - 1];
for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i];
b[n - 1] = (x[n] + a[n - 1]) / 2;
for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1];
return [a, b];
}
export default function(context) {
return new Natural(context);
}

53
vendor/node_modules/d3-shape/src/curve/step.js generated vendored Normal file
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function Step(context, t) {
this._context = context;
this._t = t;
}
Step.prototype = {
areaStart: function() {
this._line = 0;
},
areaEnd: function() {
this._line = NaN;
},
lineStart: function() {
this._x = this._y = NaN;
this._point = 0;
},
lineEnd: function() {
if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y);
if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line;
},
point: function(x, y) {
x = +x, y = +y;
switch (this._point) {
case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
case 1: this._point = 2; // falls through
default: {
if (this._t <= 0) {
this._context.lineTo(this._x, y);
this._context.lineTo(x, y);
} else {
var x1 = this._x * (1 - this._t) + x * this._t;
this._context.lineTo(x1, this._y);
this._context.lineTo(x1, y);
}
break;
}
}
this._x = x, this._y = y;
}
};
export default function(context) {
return new Step(context, 0.5);
}
export function stepBefore(context) {
return new Step(context, 0);
}
export function stepAfter(context) {
return new Step(context, 1);
}

58
vendor/node_modules/d3-shape/src/line.js generated vendored Normal file
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import array from "./array.js";
import constant from "./constant.js";
import curveLinear from "./curve/linear.js";
import {withPath} from "./path.js";
import {x as pointX, y as pointY} from "./point.js";
export default function(x, y) {
var defined = constant(true),
context = null,
curve = curveLinear,
output = null,
path = withPath(line);
x = typeof x === "function" ? x : (x === undefined) ? pointX : constant(x);
y = typeof y === "function" ? y : (y === undefined) ? pointY : constant(y);
function line(data) {
var i,
n = (data = array(data)).length,
d,
defined0 = false,
buffer;
if (context == null) output = curve(buffer = path());
for (i = 0; i <= n; ++i) {
if (!(i < n && defined(d = data[i], i, data)) === defined0) {
if (defined0 = !defined0) output.lineStart();
else output.lineEnd();
}
if (defined0) output.point(+x(d, i, data), +y(d, i, data));
}
if (buffer) return output = null, buffer + "" || null;
}
line.x = function(_) {
return arguments.length ? (x = typeof _ === "function" ? _ : constant(+_), line) : x;
};
line.y = function(_) {
return arguments.length ? (y = typeof _ === "function" ? _ : constant(+_), line) : y;
};
line.defined = function(_) {
return arguments.length ? (defined = typeof _ === "function" ? _ : constant(!!_), line) : defined;
};
line.curve = function(_) {
return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve;
};
line.context = function(_) {
return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context;
};
return line;
}

20
vendor/node_modules/d3-shape/src/math.js generated vendored Normal file
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export const abs = Math.abs;
export const atan2 = Math.atan2;
export const cos = Math.cos;
export const max = Math.max;
export const min = Math.min;
export const sin = Math.sin;
export const sqrt = Math.sqrt;
export const epsilon = 1e-12;
export const pi = Math.PI;
export const halfPi = pi / 2;
export const tau = 2 * pi;
export function acos(x) {
return x > 1 ? 0 : x < -1 ? pi : Math.acos(x);
}
export function asin(x) {
return x >= 1 ? halfPi : x <= -1 ? -halfPi : Math.asin(x);
}

1
vendor/node_modules/d3-shape/src/noop.js generated vendored Normal file
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export default function() {}

10
vendor/node_modules/d3-shape/src/offset/expand.js generated vendored Normal file
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import none from "./none.js";
export default function(series, order) {
if (!((n = series.length) > 0)) return;
for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) {
for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0;
if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y;
}
none(series, order);
}

9
vendor/node_modules/d3-shape/src/offset/none.js generated vendored Normal file
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export default function(series, order) {
if (!((n = series.length) > 1)) return;
for (var i = 1, j, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) {
s0 = s1, s1 = series[order[i]];
for (j = 0; j < m; ++j) {
s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1];
}
}
}

10
vendor/node_modules/d3-shape/src/offset/silhouette.js generated vendored Normal file
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import none from "./none.js";
export default function(series, order) {
if (!((n = series.length) > 0)) return;
for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) {
for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0;
s0[j][1] += s0[j][0] = -y / 2;
}
none(series, order);
}

24
vendor/node_modules/d3-shape/src/offset/wiggle.js generated vendored Normal file
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import none from "./none.js";
export default function(series, order) {
if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return;
for (var y = 0, j = 1, s0, m, n; j < m; ++j) {
for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) {
var si = series[order[i]],
sij0 = si[j][1] || 0,
sij1 = si[j - 1][1] || 0,
s3 = (sij0 - sij1) / 2;
for (var k = 0; k < i; ++k) {
var sk = series[order[k]],
skj0 = sk[j][1] || 0,
skj1 = sk[j - 1][1] || 0;
s3 += skj0 - skj1;
}
s1 += sij0, s2 += s3 * sij0;
}
s0[j - 1][1] += s0[j - 1][0] = y;
if (s1) y -= s2 / s1;
}
s0[j - 1][1] += s0[j - 1][0] = y;
none(series, order);
}

5
vendor/node_modules/d3-shape/src/order/none.js generated vendored Normal file
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export default function(series) {
var n = series.length, o = new Array(n);
while (--n >= 0) o[n] = n;
return o;
}

19
vendor/node_modules/d3-shape/src/path.js generated vendored Normal file
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import {Path} from "d3-path";
export function withPath(shape) {
let digits = 3;
shape.digits = function(_) {
if (!arguments.length) return digits;
if (_ == null) {
digits = null;
} else {
const d = Math.floor(_);
if (!(d >= 0)) throw new RangeError(`invalid digits: ${_}`);
digits = d;
}
return shape;
};
return () => new Path(digits);
}

7
vendor/node_modules/d3-shape/src/point.js generated vendored Normal file
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export function x(p) {
return p[0];
}
export function y(p) {
return p[1];
}

58
vendor/node_modules/d3-shape/src/stack.js generated vendored Normal file
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import array from "./array.js";
import constant from "./constant.js";
import offsetNone from "./offset/none.js";
import orderNone from "./order/none.js";
function stackValue(d, key) {
return d[key];
}
function stackSeries(key) {
const series = [];
series.key = key;
return series;
}
export default function() {
var keys = constant([]),
order = orderNone,
offset = offsetNone,
value = stackValue;
function stack(data) {
var sz = Array.from(keys.apply(this, arguments), stackSeries),
i, n = sz.length, j = -1,
oz;
for (const d of data) {
for (i = 0, ++j; i < n; ++i) {
(sz[i][j] = [0, +value(d, sz[i].key, j, data)]).data = d;
}
}
for (i = 0, oz = array(order(sz)); i < n; ++i) {
sz[oz[i]].index = i;
}
offset(sz, oz);
return sz;
}
stack.keys = function(_) {
return arguments.length ? (keys = typeof _ === "function" ? _ : constant(Array.from(_)), stack) : keys;
};
stack.value = function(_) {
return arguments.length ? (value = typeof _ === "function" ? _ : constant(+_), stack) : value;
};
stack.order = function(_) {
return arguments.length ? (order = _ == null ? orderNone : typeof _ === "function" ? _ : constant(Array.from(_)), stack) : order;
};
stack.offset = function(_) {
return arguments.length ? (offset = _ == null ? offsetNone : _, stack) : offset;
};
return stack;
}

66
vendor/node_modules/d3-shape/src/symbol.js generated vendored Normal file
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import constant from "./constant.js";
import {withPath} from "./path.js";
import asterisk from "./symbol/asterisk.js";
import circle from "./symbol/circle.js";
import cross from "./symbol/cross.js";
import diamond from "./symbol/diamond.js";
import diamond2 from "./symbol/diamond2.js";
import plus from "./symbol/plus.js";
import square from "./symbol/square.js";
import square2 from "./symbol/square2.js";
import star from "./symbol/star.js";
import triangle from "./symbol/triangle.js";
import triangle2 from "./symbol/triangle2.js";
import wye from "./symbol/wye.js";
import times from "./symbol/times.js";
// These symbols are designed to be filled.
export const symbolsFill = [
circle,
cross,
diamond,
square,
star,
triangle,
wye
];
// These symbols are designed to be stroked (with a width of 1.5px and round caps).
export const symbolsStroke = [
circle,
plus,
times,
triangle2,
asterisk,
square2,
diamond2
];
export default function Symbol(type, size) {
let context = null,
path = withPath(symbol);
type = typeof type === "function" ? type : constant(type || circle);
size = typeof size === "function" ? size : constant(size === undefined ? 64 : +size);
function symbol() {
let buffer;
if (!context) context = buffer = path();
type.apply(this, arguments).draw(context, +size.apply(this, arguments));
if (buffer) return context = null, buffer + "" || null;
}
symbol.type = function(_) {
return arguments.length ? (type = typeof _ === "function" ? _ : constant(_), symbol) : type;
};
symbol.size = function(_) {
return arguments.length ? (size = typeof _ === "function" ? _ : constant(+_), symbol) : size;
};
symbol.context = function(_) {
return arguments.length ? (context = _ == null ? null : _, symbol) : context;
};
return symbol;
}

17
vendor/node_modules/d3-shape/src/symbol/asterisk.js generated vendored Normal file
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import {min, sqrt} from "../math.js";
const sqrt3 = sqrt(3);
export default {
draw(context, size) {
const r = sqrt(size + min(size / 28, 0.75)) * 0.59436;
const t = r / 2;
const u = t * sqrt3;
context.moveTo(0, r);
context.lineTo(0, -r);
context.moveTo(-u, -t);
context.lineTo(u, t);
context.moveTo(-u, t);
context.lineTo(u, -t);
}
};

9
vendor/node_modules/d3-shape/src/symbol/circle.js generated vendored Normal file
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@@ -0,0 +1,9 @@
import {pi, sqrt, tau} from "../math.js";
export default {
draw(context, size) {
const r = sqrt(size / pi);
context.moveTo(r, 0);
context.arc(0, 0, r, 0, tau);
}
};

20
vendor/node_modules/d3-shape/src/symbol/cross.js generated vendored Normal file
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@@ -0,0 +1,20 @@
import {sqrt} from "../math.js";
export default {
draw(context, size) {
const r = sqrt(size / 5) / 2;
context.moveTo(-3 * r, -r);
context.lineTo(-r, -r);
context.lineTo(-r, -3 * r);
context.lineTo(r, -3 * r);
context.lineTo(r, -r);
context.lineTo(3 * r, -r);
context.lineTo(3 * r, r);
context.lineTo(r, r);
context.lineTo(r, 3 * r);
context.lineTo(-r, 3 * r);
context.lineTo(-r, r);
context.lineTo(-3 * r, r);
context.closePath();
}
};

16
vendor/node_modules/d3-shape/src/symbol/diamond.js generated vendored Normal file
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@@ -0,0 +1,16 @@
import {sqrt} from "../math.js";
const tan30 = sqrt(1 / 3);
const tan30_2 = tan30 * 2;
export default {
draw(context, size) {
const y = sqrt(size / tan30_2);
const x = y * tan30;
context.moveTo(0, -y);
context.lineTo(x, 0);
context.lineTo(0, y);
context.lineTo(-x, 0);
context.closePath();
}
};

12
vendor/node_modules/d3-shape/src/symbol/diamond2.js generated vendored Normal file
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import {sqrt} from "../math.js";
export default {
draw(context, size) {
const r = sqrt(size) * 0.62625;
context.moveTo(0, -r);
context.lineTo(r, 0);
context.lineTo(0, r);
context.lineTo(-r, 0);
context.closePath();
}
};

11
vendor/node_modules/d3-shape/src/symbol/plus.js generated vendored Normal file
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@@ -0,0 +1,11 @@
import {min, sqrt} from "../math.js";
export default {
draw(context, size) {
const r = sqrt(size - min(size / 7, 2)) * 0.87559;
context.moveTo(-r, 0);
context.lineTo(r, 0);
context.moveTo(0, r);
context.lineTo(0, -r);
}
};

9
vendor/node_modules/d3-shape/src/symbol/square.js generated vendored Normal file
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import {sqrt} from "../math.js";
export default {
draw(context, size) {
const w = sqrt(size);
const x = -w / 2;
context.rect(x, x, w, w);
}
};

12
vendor/node_modules/d3-shape/src/symbol/square2.js generated vendored Normal file
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@@ -0,0 +1,12 @@
import {sqrt} from "../math.js";
export default {
draw(context, size) {
const r = sqrt(size) * 0.4431;
context.moveTo(r, r);
context.lineTo(r, -r);
context.lineTo(-r, -r);
context.lineTo(-r, r);
context.closePath();
}
};

24
vendor/node_modules/d3-shape/src/symbol/star.js generated vendored Normal file
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import {sin, cos, sqrt, pi, tau} from "../math.js";
const ka = 0.89081309152928522810;
const kr = sin(pi / 10) / sin(7 * pi / 10);
const kx = sin(tau / 10) * kr;
const ky = -cos(tau / 10) * kr;
export default {
draw(context, size) {
const r = sqrt(size * ka);
const x = kx * r;
const y = ky * r;
context.moveTo(0, -r);
context.lineTo(x, y);
for (let i = 1; i < 5; ++i) {
const a = tau * i / 5;
const c = cos(a);
const s = sin(a);
context.lineTo(s * r, -c * r);
context.lineTo(c * x - s * y, s * x + c * y);
}
context.closePath();
}
};

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