63 lines
1.6 KiB
JavaScript
63 lines
1.6 KiB
JavaScript
const ag = (obj, path, defaultValue = null, separator = '.') => {
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const keys = path.split(separator);
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let at = obj;
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for (let key of keys) {
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if (typeof at === 'object' && at !== null && key in at) {
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at = at[key];
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} else {
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return defaultValue;
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}
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}
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return at;
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}
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const ag_set = (obj, path, value, separator = '.') => {
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const keys = path.split(separator);
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let at = obj;
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while (keys.length > 0) {
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if (keys.length === 1) {
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if (typeof at === 'object' && at !== null) {
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at[keys.shift()] = value;
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} else {
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throw new Error(`Cannot set value at this path (${path}) because it's not an object.`);
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}
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} else {
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const key = keys.shift();
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if (!at[key]) {
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at[key] = {};
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}
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at = at[key];
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}
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}
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return obj;
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}
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const humanFileSize = (bytes = 0, showUnit = true, decimals = 2, mod = 1000) => {
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const sz = 'BKMGTP';
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const factor = Math.floor((bytes.toString().length - 1) / 3);
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return `${(bytes / (mod ** factor)).toFixed(decimals)}${showUnit ? sz[factor] : ''}`;
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}
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const awaitElement = (sel, callback) => {
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let interval = undefined;
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let $elm = document.querySelector(sel)
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if ($elm) {
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return callback(sel, $elm);
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}
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interval = setInterval(() => {
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let $elm = document.querySelector(sel);
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if ($elm) {
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clearInterval(interval);
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callback(sel, $elm);
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}
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}, 200);
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}
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export {ag_set, ag, humanFileSize, awaitElement}
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