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- import { Scalar } from '../../nodes/Scalar.js';
- import { stringifyNumber } from '../../stringify/stringifyNumber.js';
- const floatNaN = {
- identify: value => typeof value === 'number',
- default: true,
- tag: 'tag:yaml.org,2002:float',
- test: /^(?:[-+]?\.(?:inf|Inf|INF)|\.nan|\.NaN|\.NAN)$/,
- resolve: (str) => str.slice(-3).toLowerCase() === 'nan'
- ? NaN
- : str[0] === '-'
- ? Number.NEGATIVE_INFINITY
- : Number.POSITIVE_INFINITY,
- stringify: stringifyNumber
- };
- const floatExp = {
- identify: value => typeof value === 'number',
- default: true,
- tag: 'tag:yaml.org,2002:float',
- format: 'EXP',
- test: /^[-+]?(?:[0-9][0-9_]*)?(?:\.[0-9_]*)?[eE][-+]?[0-9]+$/,
- resolve: (str) => parseFloat(str.replace(/_/g, '')),
- stringify(node) {
- const num = Number(node.value);
- return isFinite(num) ? num.toExponential() : stringifyNumber(node);
- }
- };
- const float = {
- identify: value => typeof value === 'number',
- default: true,
- tag: 'tag:yaml.org,2002:float',
- test: /^[-+]?(?:[0-9][0-9_]*)?\.[0-9_]*$/,
- resolve(str) {
- const node = new Scalar(parseFloat(str.replace(/_/g, '')));
- const dot = str.indexOf('.');
- if (dot !== -1) {
- const f = str.substring(dot + 1).replace(/_/g, '');
- if (f[f.length - 1] === '0')
- node.minFractionDigits = f.length;
- }
- return node;
- },
- stringify: stringifyNumber
- };
- export { float, floatExp, floatNaN };
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