25 lines
718 B
JavaScript
25 lines
718 B
JavaScript
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function stringifyNumber({ format, minFractionDigits, tag, value }) {
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if (typeof value === 'bigint')
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return String(value);
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const num = typeof value === 'number' ? value : Number(value);
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if (!isFinite(num))
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return isNaN(num) ? '.nan' : num < 0 ? '-.inf' : '.inf';
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let n = JSON.stringify(value);
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if (!format &&
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minFractionDigits &&
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(!tag || tag === 'tag:yaml.org,2002:float') &&
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/^\d/.test(n)) {
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let i = n.indexOf('.');
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if (i < 0) {
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i = n.length;
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n += '.';
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}
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let d = minFractionDigits - (n.length - i - 1);
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while (d-- > 0)
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n += '0';
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}
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return n;
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}
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export { stringifyNumber };
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