81 lines
2.8 KiB
Plaintext
Executable File
81 lines
2.8 KiB
Plaintext
Executable File
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.PartitionNumberPattern = void 0;
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var tslib_1 = require("tslib");
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var FormatNumericToString_1 = require("./FormatNumericToString");
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var _262_1 = require("../262");
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var ComputeExponent_1 = require("./ComputeExponent");
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var format_to_parts_1 = (0, tslib_1.__importDefault)(require("./format_to_parts"));
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/**
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* https://tc39.es/ecma402/#sec-formatnumberstring
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*/
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function PartitionNumberPattern(numberFormat, x, _a) {
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var _b;
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var getInternalSlots = _a.getInternalSlots;
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var internalSlots = getInternalSlots(numberFormat);
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var pl = internalSlots.pl, dataLocaleData = internalSlots.dataLocaleData, numberingSystem = internalSlots.numberingSystem;
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var symbols = dataLocaleData.numbers.symbols[numberingSystem] ||
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dataLocaleData.numbers.symbols[dataLocaleData.numbers.nu[0]];
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var magnitude = 0;
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var exponent = 0;
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var n;
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if (isNaN(x)) {
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n = symbols.nan;
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}
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else if (!isFinite(x)) {
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n = symbols.infinity;
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}
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else {
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if (internalSlots.style === 'percent') {
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x *= 100;
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}
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;
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_b = (0, ComputeExponent_1.ComputeExponent)(numberFormat, x, {
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getInternalSlots: getInternalSlots,
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}), exponent = _b[0], magnitude = _b[1];
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// Preserve more precision by doing multiplication when exponent is negative.
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x = exponent < 0 ? x * Math.pow(10, -exponent) : x / Math.pow(10, exponent);
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var formatNumberResult = (0, FormatNumericToString_1.FormatNumericToString)(internalSlots, x);
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n = formatNumberResult.formattedString;
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x = formatNumberResult.roundedNumber;
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}
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// Based on https://tc39.es/ecma402/#sec-getnumberformatpattern
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// We need to do this before `x` is rounded.
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var sign;
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var signDisplay = internalSlots.signDisplay;
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switch (signDisplay) {
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case 'never':
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sign = 0;
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break;
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case 'auto':
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if ((0, _262_1.SameValue)(x, 0) || x > 0 || isNaN(x)) {
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sign = 0;
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}
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else {
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sign = -1;
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}
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break;
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case 'always':
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if ((0, _262_1.SameValue)(x, 0) || x > 0 || isNaN(x)) {
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sign = 1;
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}
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else {
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sign = -1;
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}
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break;
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default:
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// x === 0 -> x is 0 or x is -0
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if (x === 0 || isNaN(x)) {
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sign = 0;
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}
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else if (x > 0) {
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sign = 1;
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}
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else {
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sign = -1;
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}
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}
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return (0, format_to_parts_1.default)({ roundedNumber: x, formattedString: n, exponent: exponent, magnitude: magnitude, sign: sign }, internalSlots.dataLocaleData, pl, internalSlots);
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}
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exports.PartitionNumberPattern = PartitionNumberPattern;
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