| 1 | import { factory } from '../utils/factory.js';
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| 2 | var name = 'replacer';
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| 3 | var dependencies = [];
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| 4 | export var createReplacer = /* #__PURE__ */factory(name, dependencies, () => {
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| 5 | /**
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| 6 | * Stringify data types into their JSON representation.
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| 7 | * Most data types can be serialized using their `.toJSON` method,
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| 8 | * but not all, for example the number `Infinity`. For these cases you have
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| 9 | * to use the replacer. Example usage:
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| 10 | *
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| 11 | * JSON.stringify([2, Infinity], math.replacer)
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| 12 | *
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| 13 | * @param {string} key
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| 14 | * @param {*} value
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| 15 | * @returns {*} Returns the replaced object
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| 16 | */
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| 17 | return function replacer(key, value) {
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| 18 | // the numeric values Infinitiy, -Infinity, and NaN cannot be serialized to JSON
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| 19 | if (typeof value === 'number' && (!isFinite(value) || isNaN(value))) {
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| 20 | return {
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| 21 | mathjs: 'number',
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| 22 | value: String(value)
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| 23 | };
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| 24 | }
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| 25 |
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| 26 | return value;
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| 27 | };
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| 28 | }); |
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