zhang-wei-jian's picture
:rocket:
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function isObject(value) {
return value !== null && typeof value === "object";
}
function _defu(baseObject, defaults, namespace = ".", merger) {
if (!isObject(defaults)) {
return _defu(baseObject, {}, namespace, merger);
}
const object = Object.assign({}, defaults);
for (const key in baseObject) {
if (key === "__proto__" || key === "constructor") {
continue;
}
const value = baseObject[key];
if (value === null || value === void 0) {
continue;
}
if (merger && merger(object, key, value, namespace)) {
continue;
}
if (Array.isArray(value) && Array.isArray(object[key])) {
object[key] = [...value, ...object[key]];
} else if (isObject(value) && isObject(object[key])) {
object[key] = _defu(
value,
object[key],
(namespace ? `${namespace}.` : "") + key.toString(),
merger
);
} else {
object[key] = value;
}
}
return object;
}
function createDefu(merger) {
return (...arguments_) => (
// eslint-disable-next-line unicorn/no-array-reduce
arguments_.reduce((p, c) => _defu(p, c, "", merger), {})
);
}
const defu = createDefu();
const defuFn = createDefu((object, key, currentValue) => {
if (typeof object[key] !== "undefined" && typeof currentValue === "function") {
object[key] = currentValue(object[key]);
return true;
}
});
const defuArrayFn = createDefu((object, key, currentValue) => {
if (Array.isArray(object[key]) && typeof currentValue === "function") {
object[key] = currentValue(object[key]);
return true;
}
});
export { createDefu, defu as default, defu, defuArrayFn, defuFn };