30 lines
785 B
JavaScript
30 lines
785 B
JavaScript
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/**
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* Returns a JSON with an updated value
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* @param {string} key
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* @param {string} newValue
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* @param {JSON} json
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* @returns {JSON}
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*
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* Example
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* const person = {name: 'James', age: 20, pets: ['dog', 'cat']};
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* updateJSON('name', 'maria', person);
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* // {"age": 20, "name": "maria", "pets": ["dog", "cat"]}
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*
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* Others: "modify" in Ramda
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*/
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function updateJSON(key, newValue, json) {
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// JSON to Array
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return Object.entries(json).map(
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function (row) {
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// Replace value
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return row[0] == key ? row.slice(0, 1).concat(newValue) : row
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}
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).reduce(
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function (jsonUpdate, valueUpdate) {
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// Array to JSON
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jsonUpdate[valueUpdate[0]] = valueUpdate[1];
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return jsonUpdate;
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}, {});
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}
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