d3-format/build/format.cjs.js

'use strict';

var zhCn = {
  decimal: ".",
  thousands: ",",
  grouping: [3],
  currency: ["¥", ""]
};

var svSe = {
  decimal: ",",
  thousands: "\xa0",
  grouping: [3],
  currency: ["", "SEK"]
};

var ruRu = {
  decimal: ",",
  thousands: "\xa0",
  grouping: [3],
  currency: ["", "\xa0руб."]
};

var ptBr = {
  decimal: ",",
  thousands: ".",
  grouping: [3],
  currency: ["R$", ""]
};

var plPl = {
  decimal: ",",
  thousands: ".",
  grouping: [3],
  currency: ["", "zł"]
};

var nlNl = {
  decimal: ",",
  thousands: ".",
  grouping: [3],
  currency: ["€\xa0", ""]
};

var mkMk = {
  decimal: ",",
  thousands: ".",
  grouping: [3],
  currency: ["", "\xa0ден."]
};

var koKr = {
  decimal: ".",
  thousands: ",",
  grouping: [3],
  currency: ["₩", ""]
};

var jaJp = {
  decimal: ".",
  thousands: ",",
  grouping: [3],
  currency: ["", "円"]
};

var itIt = {
  decimal: ",",
  thousands: ".",
  grouping: [3],
  currency: ["€", ""]
};

var huHu = {
  decimal: ",",
  thousands: "\xa0",
  grouping: [3],
  currency: ["", "\xa0Ft"]
};

var heIl = {
  decimal: ".",
  thousands: ",",
  grouping: [3],
  currency: ["₪", ""]
};

var frFr = {
  decimal: ",",
  thousands: ".",
  grouping: [3],
  currency: ["", "\xa0€"]
};

var frCa = {
  decimal: ",",
  thousands: "\xa0",
  grouping: [3],
  currency: ["", "$"]
};

var fiFi = {
  decimal: ",",
  thousands: "\xa0",
  grouping: [3],
  currency: ["", "\xa0€"]
};

var esEs = {
  decimal: ",",
  thousands: ".",
  grouping: [3],
  currency: ["", "\xa0€"]
};

var enUs = {
  decimal: ".",
  thousands: ",",
  grouping: [3],
  currency: ["$", ""]
};

var enGb = {
  decimal: ".",
  thousands: ",",
  grouping: [3],
  currency: ["£", ""]
};

var enCa = {
  decimal: ".",
  thousands: ",",
  grouping: [3],
  currency: ["$", ""]
};

var deDe = {
  decimal: ",",
  thousands: ".",
  grouping: [3],
  currency: ["", "\xa0€"]
};

var deCh = {
  decimal: ",",
  thousands: "'",
  grouping: [3],
  currency: ["", "\xa0CHF"]
};

var caEs = {
  decimal: ",",
  thousands: ".",
  grouping: [3],
  currency: ["", "\xa0€"]
};

// 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, formatDecimal(1.23) returns ["123", 0].
function formatDecimal(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)
  ];
};

function exponent(x) {
  return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN;
};

function formatGroup(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);
  };
};

var prefixExponent;

function formatPrefixAuto(x, p) {
  var d = formatDecimal(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") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y!
};

function formatRounded(x, p) {
  var d = formatDecimal(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");
};

function formatDefault(x, p) {
  x = x.toPrecision(p);

  out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) {
    switch (x[i]) {
      case ".": i0 = i1 = i; break;
      case "0": if (i0 === 0) i0 = i; i1 = i; break;
      case "e": break out;
      default: if (i0 > 0) i0 = 0; break;
    }
  }

  return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x;
};

var formatTypes = {
  "": formatDefault,
  "%": function(x, p) { return (x * 100).toFixed(p); },
  "b": function(x) { return Math.round(x).toString(2); },
  "c": function(x) { return x + ""; },
  "d": function(x) { return Math.round(x).toString(10); },
  "e": function(x, p) { return x.toExponential(p); },
  "f": function(x, p) { return x.toFixed(p); },
  "g": function(x, p) { return x.toPrecision(p); },
  "o": function(x) { return Math.round(x).toString(8); },
  "p": function(x, p) { return formatRounded(x * 100, p); },
  "r": formatRounded,
  "s": formatPrefixAuto,
  "X": function(x) { return Math.round(x).toString(16).toUpperCase(); },
  "x": function(x) { return Math.round(x).toString(16); }
};

// [[fill]align][sign][symbol][0][width][,][.precision][type]
var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i;

function formatSpecifier(specifier) {
  return new FormatSpecifier(specifier);
};

function FormatSpecifier(specifier) {
  if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier);

  var match,
      fill = match[1] || " ",
      align = match[2] || ">",
      sign = match[3] || "-",
      symbol = match[4] || "",
      zero = !!match[5],
      width = match[6] && +match[6],
      comma = !!match[7],
      precision = match[8] && +match[8].slice(1),
      type = match[9] || "";

  // The "n" type is an alias for ",g".
  if (type === "n") comma = true, type = "g";

  // Map invalid types to the default format.
  else if (!formatTypes[type]) type = "";

  // If zero fill is specified, padding goes after sign and before digits.
  if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "=";

  this.fill = fill;
  this.align = align;
  this.sign = sign;
  this.symbol = symbol;
  this.zero = zero;
  this.width = width;
  this.comma = comma;
  this.precision = precision;
  this.type = type;
}

FormatSpecifier.prototype.toString = function() {
  return this.fill
      + this.align
      + this.sign
      + this.symbol
      + (this.zero ? "0" : "")
      + (this.width == null ? "" : Math.max(1, this.width | 0))
      + (this.comma ? "," : "")
      + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0))
      + this.type;
};

var prefixes = ["y","z","a","f","p","n","µ","m","","k","M","G","T","P","E","Z","Y"];

function identity(x) {
  return x;
}

function locale(locale) {
  var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity,
      currency = locale.currency,
      decimal = locale.decimal;

  function format(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,
        type = specifier.type;

    // Compute the prefix and suffix.
    // For SI-prefix, the suffix is lazily computed.
    var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "",
        suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : "";

    // What format function should we use?
    // Is this an integer type?
    // Can this type generate exponential notation?
    var formatType = formatTypes[type],
        maybeSuffix = !type || /[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 == null ? (type ? 6 : 12)
        : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision))
        : Math.max(0, Math.min(20, precision));

    return function(value) {
      var valuePrefix = prefix,
          valueSuffix = suffix;

      if (type === "c") {
        valueSuffix = formatType(value) + valueSuffix;
        value = "";
      } else {
        value = +value;

        // Convert negative to positive, and compute the prefix.
        // Note that -0 is not less than 0, but 1 / -0 is!
        var valueNegative = (value < 0 || 1 / value < 0) && (value *= -1, true);

        // Perform the initial formatting.
        value = formatType(value, precision);

        // If the original value was negative, it may be rounded to zero during
        // formatting; treat this as (positive) zero.
        if (valueNegative) {
          var i = -1, n = value.length, c;
          valueNegative = false;
          while (++i < n) {
            if (c = value.charCodeAt(i), (48 < c && c < 58)
                || (type === "x" && 96 < c && c < 103)
                || (type === "X" && 64 < c && c < 71)) {
              valueNegative = true;
              break;
            }
          }
        }

        // Compute the prefix and suffix.
        valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix;
        valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (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) {
          var i = -1, n = value.length, c;
          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 "<": return valuePrefix + value + valueSuffix + padding;
        case "=": return valuePrefix + padding + value + valueSuffix;
        case "^": return padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length);
      }
      return padding + valuePrefix + value + valueSuffix;
    };
  }

  function formatPrefix(specifier, value) {
    var f = format((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: format,
    formatPrefix: formatPrefix
  };
};

function precisionFixed(step) {
  return Math.max(0, -exponent(Math.abs(step)));
};

function precisionPrefix(step, value) {
  return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3 - exponent(Math.abs(step)));
};

function precisionRound(step, max) {
  return Math.max(0, exponent(Math.abs(max)) - exponent(Math.abs(step))) + 1;
};

var localeDefinitions = {
  "ca-ES": caEs,
  "de-CH": deCh,
  "de-DE": deDe,
  "en-CA": enCa,
  "en-GB": enGb,
  "en-US": enUs,
  "es-ES": esEs,
  "fi-FI": fiFi,
  "fr-CA": frCa,
  "fr-FR": frFr,
  "he-IL": heIl,
  "hu-HU": huHu,
  "it-IT": itIt,
  "ja-JP": jaJp,
  "ko-KR": koKr,
  "mk-MK": mkMk,
  "nl-NL": nlNl,
  "pl-PL": plPl,
  "pt-BR": ptBr,
  "ru-RU": ruRu,
  "sv-SE": svSe,
  "zh-CN": zhCn
};

var defaultLocale = locale(enUs);
var format = defaultLocale.format;
var formatPrefix = defaultLocale.formatPrefix;

function localeFormat(definition) {
  if (typeof definition === "string") {
    if (!localeDefinitions.hasOwnProperty(definition)) return null;
    definition = localeDefinitions[definition];
  }
  return locale(definition);
};

exports.format = format;
exports.formatPrefix = formatPrefix;
exports.localeFormat = localeFormat;
exports.formatSpecifier = formatSpecifier;
exports.precisionFixed = precisionFixed;
exports.precisionPrefix = precisionPrefix;
exports.precisionRound = precisionRound;