40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
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/**
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* Checks whether the given object has any properties.
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*/
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export function isEmptyObject(obj) {
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if (typeof obj !== 'object' || obj === null) {
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return false;
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}
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if (Object.getOwnPropertySymbols(obj).length > 0) {
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return false;
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}
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return Object.keys(obj).length === 0;
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}
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/**
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* Recursively removes all properties with an empty object or array as its value from the given object.
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*/
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export function removeEmptyObjects(obj) {
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Object.keys(obj).forEach(key => {
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if (typeof (obj[key]) === 'object') {
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// recursive remove empty object or array properties in nested objects
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removeEmptyObjects(obj[key]);
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}
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if (isEmptyObject(obj[key])) {
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delete obj[key];
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}
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});
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}
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/**
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* Recursively removes all properties with `undefined` as its value from the given object.
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*/
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export function removeUndefinedProperties(obj) {
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Object.keys(obj).forEach(key => {
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if (obj[key] === undefined) {
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delete obj[key];
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}
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else if (typeof (obj[key]) === 'object') {
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removeUndefinedProperties(obj[key]); // recursive remove `undefined` properties in nested objects
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}
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});
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}
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//# sourceMappingURL=object.js.map
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