simple-squiggle/node_modules/mathjs/lib/esm/json/replacer.js

28 lines
900 B
JavaScript

import { factory } from '../utils/factory.js';
var name = 'replacer';
var dependencies = [];
export var createReplacer = /* #__PURE__ */factory(name, dependencies, () => {
/**
* Stringify data types into their JSON representation.
* Most data types can be serialized using their `.toJSON` method,
* but not all, for example the number `Infinity`. For these cases you have
* to use the replacer. Example usage:
*
* JSON.stringify([2, Infinity], math.replacer)
*
* @param {string} key
* @param {*} value
* @returns {*} Returns the replaced object
*/
return function replacer(key, value) {
// the numeric values Infinitiy, -Infinity, and NaN cannot be serialized to JSON
if (typeof value === 'number' && (!isFinite(value) || isNaN(value))) {
return {
mathjs: 'number',
value: String(value)
};
}
return value;
};
});