42 lines
1.4 KiB
Plaintext
Executable File
42 lines
1.4 KiB
Plaintext
Executable File
import { SameValue } from '../262';
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import { ToRawPrecision } from './ToRawPrecision';
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import { repeat } from '../utils';
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import { ToRawFixed } from './ToRawFixed';
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/**
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* https://tc39.es/ecma402/#sec-formatnumberstring
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*/
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export function FormatNumericToString(intlObject, x) {
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var isNegative = x < 0 || SameValue(x, -0);
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if (isNegative) {
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x = -x;
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}
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var result;
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var rourndingType = intlObject.roundingType;
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switch (rourndingType) {
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case 'significantDigits':
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result = ToRawPrecision(x, intlObject.minimumSignificantDigits, intlObject.maximumSignificantDigits);
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break;
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case 'fractionDigits':
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result = ToRawFixed(x, intlObject.minimumFractionDigits, intlObject.maximumFractionDigits);
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break;
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default:
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result = ToRawPrecision(x, 1, 2);
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if (result.integerDigitsCount > 1) {
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result = ToRawFixed(x, 0, 0);
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}
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break;
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}
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x = result.roundedNumber;
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var string = result.formattedString;
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var int = result.integerDigitsCount;
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var minInteger = intlObject.minimumIntegerDigits;
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if (int < minInteger) {
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var forwardZeros = repeat('0', minInteger - int);
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string = forwardZeros + string;
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}
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if (isNegative) {
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x = -x;
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}
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return { roundedNumber: x, formattedString: string };
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}
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