346 lines
12 KiB
JavaScript
346 lines
12 KiB
JavaScript
// https://d3js.org/d3-format/ v3.1.0 Copyright 2010-2021 Mike Bostock
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
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typeof define === 'function' && define.amd ? define(['exports'], factory) :
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(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.d3 = global.d3 || {}));
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})(this, (function (exports) { 'use strict';
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function formatDecimal(x) {
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return Math.abs(x = Math.round(x)) >= 1e21
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? x.toLocaleString("en").replace(/,/g, "")
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: x.toString(10);
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}
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// Computes the decimal coefficient and exponent of the specified number x with
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// significant digits p, where x is positive and p is in [1, 21] or undefined.
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// For example, formatDecimalParts(1.23) returns ["123", 0].
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function formatDecimalParts(x, p) {
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if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity
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var i, coefficient = x.slice(0, i);
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// The string returned by toExponential either has the form \d\.\d+e[-+]\d+
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// (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3).
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return [
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coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient,
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+x.slice(i + 1)
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];
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}
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function exponent(x) {
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return x = formatDecimalParts(Math.abs(x)), x ? x[1] : NaN;
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}
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function formatGroup(grouping, thousands) {
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return function(value, width) {
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var i = value.length,
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t = [],
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j = 0,
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g = grouping[0],
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length = 0;
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while (i > 0 && g > 0) {
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if (length + g + 1 > width) g = Math.max(1, width - length);
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t.push(value.substring(i -= g, i + g));
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if ((length += g + 1) > width) break;
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g = grouping[j = (j + 1) % grouping.length];
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}
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return t.reverse().join(thousands);
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};
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}
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function formatNumerals(numerals) {
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return function(value) {
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return value.replace(/[0-9]/g, function(i) {
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return numerals[+i];
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});
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};
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}
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// [[fill]align][sign][symbol][0][width][,][.precision][~][type]
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var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i;
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function formatSpecifier(specifier) {
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if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier);
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var match;
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return new FormatSpecifier({
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fill: match[1],
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align: match[2],
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sign: match[3],
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symbol: match[4],
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zero: match[5],
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width: match[6],
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comma: match[7],
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precision: match[8] && match[8].slice(1),
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trim: match[9],
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type: match[10]
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});
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}
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formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof
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function FormatSpecifier(specifier) {
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this.fill = specifier.fill === undefined ? " " : specifier.fill + "";
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this.align = specifier.align === undefined ? ">" : specifier.align + "";
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this.sign = specifier.sign === undefined ? "-" : specifier.sign + "";
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this.symbol = specifier.symbol === undefined ? "" : specifier.symbol + "";
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this.zero = !!specifier.zero;
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this.width = specifier.width === undefined ? undefined : +specifier.width;
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this.comma = !!specifier.comma;
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this.precision = specifier.precision === undefined ? undefined : +specifier.precision;
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this.trim = !!specifier.trim;
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this.type = specifier.type === undefined ? "" : specifier.type + "";
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}
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FormatSpecifier.prototype.toString = function() {
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return this.fill
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+ this.align
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+ this.sign
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+ this.symbol
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+ (this.zero ? "0" : "")
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+ (this.width === undefined ? "" : Math.max(1, this.width | 0))
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+ (this.comma ? "," : "")
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+ (this.precision === undefined ? "" : "." + Math.max(0, this.precision | 0))
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+ (this.trim ? "~" : "")
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+ this.type;
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};
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// Trims insignificant zeros, e.g., replaces 1.2000k with 1.2k.
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function formatTrim(s) {
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out: for (var n = s.length, i = 1, i0 = -1, i1; i < n; ++i) {
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switch (s[i]) {
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case ".": i0 = i1 = i; break;
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case "0": if (i0 === 0) i0 = i; i1 = i; break;
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default: if (!+s[i]) break out; if (i0 > 0) i0 = 0; break;
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}
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}
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return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s;
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}
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var prefixExponent;
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function formatPrefixAuto(x, p) {
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var d = formatDecimalParts(x, p);
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if (!d) return x + "";
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var coefficient = d[0],
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exponent = d[1],
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i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1,
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n = coefficient.length;
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return i === n ? coefficient
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: i > n ? coefficient + new Array(i - n + 1).join("0")
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: i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i)
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: "0." + new Array(1 - i).join("0") + formatDecimalParts(x, Math.max(0, p + i - 1))[0]; // less than 1y!
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}
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function formatRounded(x, p) {
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var d = formatDecimalParts(x, p);
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if (!d) return x + "";
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var coefficient = d[0],
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exponent = d[1];
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return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient
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: coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1)
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: coefficient + new Array(exponent - coefficient.length + 2).join("0");
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}
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var formatTypes = {
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"%": (x, p) => (x * 100).toFixed(p),
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"b": (x) => Math.round(x).toString(2),
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"c": (x) => x + "",
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"d": formatDecimal,
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"e": (x, p) => x.toExponential(p),
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"f": (x, p) => x.toFixed(p),
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"g": (x, p) => x.toPrecision(p),
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"o": (x) => Math.round(x).toString(8),
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"p": (x, p) => formatRounded(x * 100, p),
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"r": formatRounded,
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"s": formatPrefixAuto,
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"X": (x) => Math.round(x).toString(16).toUpperCase(),
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"x": (x) => Math.round(x).toString(16)
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};
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function identity(x) {
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return x;
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}
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var map = Array.prototype.map,
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prefixes = ["y","z","a","f","p","n","µ","m","","k","M","G","T","P","E","Z","Y"];
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function formatLocale(locale) {
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var group = locale.grouping === undefined || locale.thousands === undefined ? identity : formatGroup(map.call(locale.grouping, Number), locale.thousands + ""),
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currencyPrefix = locale.currency === undefined ? "" : locale.currency[0] + "",
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currencySuffix = locale.currency === undefined ? "" : locale.currency[1] + "",
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decimal = locale.decimal === undefined ? "." : locale.decimal + "",
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numerals = locale.numerals === undefined ? identity : formatNumerals(map.call(locale.numerals, String)),
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percent = locale.percent === undefined ? "%" : locale.percent + "",
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minus = locale.minus === undefined ? "−" : locale.minus + "",
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nan = locale.nan === undefined ? "NaN" : locale.nan + "";
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function newFormat(specifier) {
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specifier = formatSpecifier(specifier);
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var fill = specifier.fill,
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align = specifier.align,
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sign = specifier.sign,
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symbol = specifier.symbol,
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zero = specifier.zero,
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width = specifier.width,
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comma = specifier.comma,
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precision = specifier.precision,
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trim = specifier.trim,
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type = specifier.type;
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// The "n" type is an alias for ",g".
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if (type === "n") comma = true, type = "g";
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// The "" type, and any invalid type, is an alias for ".12~g".
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else if (!formatTypes[type]) precision === undefined && (precision = 12), trim = true, type = "g";
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// If zero fill is specified, padding goes after sign and before digits.
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if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "=";
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// Compute the prefix and suffix.
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// For SI-prefix, the suffix is lazily computed.
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var prefix = symbol === "$" ? currencyPrefix : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "",
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suffix = symbol === "$" ? currencySuffix : /[%p]/.test(type) ? percent : "";
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// What format function should we use?
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// Is this an integer type?
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// Can this type generate exponential notation?
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var formatType = formatTypes[type],
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maybeSuffix = /[defgprs%]/.test(type);
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// Set the default precision if not specified,
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// or clamp the specified precision to the supported range.
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// For significant precision, it must be in [1, 21].
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// For fixed precision, it must be in [0, 20].
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precision = precision === undefined ? 6
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: /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision))
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: Math.max(0, Math.min(20, precision));
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function format(value) {
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var valuePrefix = prefix,
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valueSuffix = suffix,
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i, n, c;
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if (type === "c") {
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valueSuffix = formatType(value) + valueSuffix;
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value = "";
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} else {
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value = +value;
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// Determine the sign. -0 is not less than 0, but 1 / -0 is!
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var valueNegative = value < 0 || 1 / value < 0;
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// Perform the initial formatting.
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value = isNaN(value) ? nan : formatType(Math.abs(value), precision);
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// Trim insignificant zeros.
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if (trim) value = formatTrim(value);
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// If a negative value rounds to zero after formatting, and no explicit positive sign is requested, hide the sign.
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if (valueNegative && +value === 0 && sign !== "+") valueNegative = false;
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// Compute the prefix and suffix.
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valuePrefix = (valueNegative ? (sign === "(" ? sign : minus) : sign === "-" || sign === "(" ? "" : sign) + valuePrefix;
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valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? ")" : "");
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// Break the formatted value into the integer “value” part that can be
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// grouped, and fractional or exponential “suffix” part that is not.
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if (maybeSuffix) {
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i = -1, n = value.length;
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while (++i < n) {
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if (c = value.charCodeAt(i), 48 > c || c > 57) {
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valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix;
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value = value.slice(0, i);
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break;
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}
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}
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}
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}
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// If the fill character is not "0", grouping is applied before padding.
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if (comma && !zero) value = group(value, Infinity);
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// Compute the padding.
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var length = valuePrefix.length + value.length + valueSuffix.length,
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padding = length < width ? new Array(width - length + 1).join(fill) : "";
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// If the fill character is "0", grouping is applied after padding.
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if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = "";
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// Reconstruct the final output based on the desired alignment.
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switch (align) {
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case "<": value = valuePrefix + value + valueSuffix + padding; break;
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case "=": value = valuePrefix + padding + value + valueSuffix; break;
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case "^": value = padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); break;
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default: value = padding + valuePrefix + value + valueSuffix; break;
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}
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return numerals(value);
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}
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format.toString = function() {
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return specifier + "";
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};
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return format;
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}
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function formatPrefix(specifier, value) {
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var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)),
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e = Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3,
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k = Math.pow(10, -e),
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prefix = prefixes[8 + e / 3];
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return function(value) {
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return f(k * value) + prefix;
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};
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}
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return {
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format: newFormat,
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formatPrefix: formatPrefix
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};
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}
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var locale;
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exports.format = void 0;
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exports.formatPrefix = void 0;
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defaultLocale({
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thousands: ",",
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grouping: [3],
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currency: ["$", ""]
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});
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function defaultLocale(definition) {
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locale = formatLocale(definition);
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exports.format = locale.format;
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exports.formatPrefix = locale.formatPrefix;
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return locale;
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}
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function precisionFixed(step) {
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return Math.max(0, -exponent(Math.abs(step)));
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}
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function precisionPrefix(step, value) {
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return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3 - exponent(Math.abs(step)));
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}
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function precisionRound(step, max) {
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step = Math.abs(step), max = Math.abs(max) - step;
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return Math.max(0, exponent(max) - exponent(step)) + 1;
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}
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exports.FormatSpecifier = FormatSpecifier;
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exports.formatDefaultLocale = defaultLocale;
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exports.formatLocale = formatLocale;
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exports.formatSpecifier = formatSpecifier;
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exports.precisionFixed = precisionFixed;
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exports.precisionPrefix = precisionPrefix;
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exports.precisionRound = precisionRound;
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Object.defineProperty(exports, '__esModule', { value: true });
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}));
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