65 lines
1.7 KiB
JavaScript
65 lines
1.7 KiB
JavaScript
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/**
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* @file Provides simple user configuration options.
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*/
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import loconfig from '../../loconfig.json';
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let usrconfig;
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try {
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usrconfig = await import('../../loconfig.local.json');
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usrconfig = usrconfig.default;
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merge(loconfig, usrconfig);
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} catch (err) {
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// do nothing
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}
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export default loconfig;
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/**
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* Creates a new object with all nested object properties
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* merged into it recursively.
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*
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* @param {object} target - The target object.
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* @param {object[]} ...sources - The source object(s).
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* @throws {TypeError} If the target and source are the same.
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* @return {object} Returns the `target` object.
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*/
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export function merge(target, ...sources) {
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for (const source of sources) {
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if (target === source) {
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throw new TypeError(
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'Cannot merge, target and source are the same'
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);
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}
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for (const key in source) {
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if (source[key] != null) {
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if (isObjectLike(source[key]) && isObjectLike(target[key])) {
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merge(target[key], source[key]);
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continue;
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} else if (Array.isArray(source[key]) && Array.isArray(target[key])) {
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target[key] = target[key].concat(source[key]);
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continue;
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}
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}
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target[key] = source[key];
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}
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}
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return target;
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}
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/**
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* Determines whether the passed value is an `Object`.
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*
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* @param {*} value - The value to be checked.
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* @return {boolean} Returns `true` if the value is an `Object`,
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* otherwise `false`.
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*/
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function isObjectLike(value) {
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return (value != null && typeof value === 'object');
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}
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