ngx-smart-spreadsheet
Version:
Lightweight spreadsheet module for Angular
22 lines • 2.92 kB
JavaScript
function isObject(item) {
return (item && typeof item === 'object' && !Array.isArray(item));
}
export function mergeDeep(target, ...sources) {
if (!sources.length)
return target;
const source = sources.shift();
if (isObject(target) && isObject(source)) {
for (const key in source) {
if (isObject(source[key])) {
if (!target[key])
Object.assign(target, { [key]: {} });
mergeDeep(target[key], source[key]);
}
else {
Object.assign(target, { [key]: source[key] });
}
}
}
return mergeDeep(target, ...sources);
}
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