37 lines
1.0 KiB
JavaScript
37 lines
1.0 KiB
JavaScript
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.createReplacer = void 0;
|
|
|
|
var _factory = require("../utils/factory.js");
|
|
|
|
var name = 'replacer';
|
|
var dependencies = [];
|
|
var createReplacer = /* #__PURE__ */(0, _factory.factory)(name, dependencies, function () {
|
|
/**
|
|
* 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;
|
|
};
|
|
});
|
|
exports.createReplacer = createReplacer; |