56 lines
1.7 KiB
Plaintext
Executable File
56 lines
1.7 KiB
Plaintext
Executable File
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.ToRawFixed = void 0;
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var utils_1 = require("../utils");
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/**
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* TODO: dedup with intl-pluralrules and support BigInt
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* https://tc39.es/ecma402/#sec-torawfixed
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* @param x a finite non-negative Number or BigInt
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* @param minFraction and integer between 0 and 20
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* @param maxFraction and integer between 0 and 20
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*/
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function ToRawFixed(x, minFraction, maxFraction) {
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var f = maxFraction;
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var n = Math.round(x * Math.pow(10, f));
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var xFinal = n / Math.pow(10, f);
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// n is a positive integer, but it is possible to be greater than 1e21.
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// In such case we will go the slow path.
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// See also: https://tc39.es/ecma262/#sec-numeric-types-number-tostring
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var m;
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if (n < 1e21) {
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m = n.toString();
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}
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else {
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m = n.toString();
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var _a = m.split('e'), mantissa = _a[0], exponent = _a[1];
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m = mantissa.replace('.', '');
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m = m + (0, utils_1.repeat)('0', Math.max(+exponent - m.length + 1, 0));
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}
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var int;
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if (f !== 0) {
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var k = m.length;
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if (k <= f) {
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var z = (0, utils_1.repeat)('0', f + 1 - k);
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m = z + m;
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k = f + 1;
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}
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var a = m.slice(0, k - f);
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var b = m.slice(k - f);
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m = "".concat(a, ".").concat(b);
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int = a.length;
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}
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else {
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int = m.length;
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}
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var cut = maxFraction - minFraction;
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while (cut > 0 && m[m.length - 1] === '0') {
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m = m.slice(0, -1);
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cut--;
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}
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if (m[m.length - 1] === '.') {
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m = m.slice(0, -1);
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}
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return { formattedString: m, roundedNumber: xFinal, integerDigitsCount: int };
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}
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exports.ToRawFixed = ToRawFixed;
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