Update functional-tools.js

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Andros Fenollosa 2022-02-01 15:45:07 +01:00 committed by GitHub
parent 6f6366697f
commit af8a3ccd12
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@ -1 +1,29 @@
/**
* Returns a JSON with an updated value
* @param {string} key
* @param {string} newValue
* @param {JSON} json
* @returns {JSON}
*
* Example
* const person = {name: 'James', age: 20, pets: ['dog', 'cat']};
* updateJSON('name', 'maria', person);
* // {"age": 20, "name": "maria", "pets": ["dog", "cat"]}
*
* Others: "modify" in Ramda
*/
function updateJSON(key, newValue, json) {
// JSON to Array
return Object.entries(json).map(
function (row) {
// Replace value
return row[0] == key ? row.slice(0, 1).concat(newValue) : row
}
).reduce(
function (jsonUpdate, valueUpdate) {
// Array to JSON
jsonUpdate[valueUpdate[0]] = valueUpdate[1];
return jsonUpdate;
}, {});
}