ascii-ui/util/deepAssign.js

Graphic terminal emulator for HTML canvas elements

import { isPlainObject } from 'vanilla-type-check/isPlainObject';
export function deepAssign(...args) {
    const target = args[0] || {};
    for (let i = 1; i < args.length; i++) {
        const obj = args[i];
        Object.keys(obj).forEach((key) => {
            const val = obj[key];
            if (isPlainObject(val)) {
                if (!target[key]) {
                    target[key] = Object.assign({}, val);
                }
                else {
                    deepAssign(target[key], val);
                }
            }
            else if (target[key] !== val) {
                target[key] = obj[key];
            }
        });
    }
    return target;
}
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