mirror of https://github.com/vladmandic/human
29 lines
1.2 KiB
TypeScript
29 lines
1.2 KiB
TypeScript
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// helper function: wrapper around console output
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export function log(...msg) {
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const dt = new Date();
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const ts = `${dt.getHours().toString().padStart(2, '0')}:${dt.getMinutes().toString().padStart(2, '0')}:${dt.getSeconds().toString().padStart(2, '0')}.${dt.getMilliseconds().toString().padStart(3, '0')}`;
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// eslint-disable-next-line no-console
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if (msg) console.log(ts, 'Human:', ...msg);
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}
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// helper function: gets elapsed time on both browser and nodejs
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export const now = () => {
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if (typeof performance !== 'undefined') return performance.now();
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return parseInt((Number(process.hrtime.bigint()) / 1000 / 1000).toString());
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};
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// helper function: perform deep merge of multiple objects so it allows full inheriance with overrides
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export function mergeDeep(...objects) {
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const isObject = (obj) => obj && typeof obj === 'object';
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return objects.reduce((prev, obj) => {
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Object.keys(obj || {}).forEach((key) => {
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const pVal = prev[key];
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const oVal = obj[key];
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if (Array.isArray(pVal) && Array.isArray(oVal)) prev[key] = pVal.concat(...oVal);
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else if (isObject(pVal) && isObject(oVal)) prev[key] = mergeDeep(pVal, oVal);
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else prev[key] = oVal;
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});
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return prev;
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}, {});
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}
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