update
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+50
@@ -0,0 +1,50 @@
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'use strict';
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function isObject(val) {
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return val !== null && typeof val === "object";
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}
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function _defu(baseObj, defaults, namespace = ".", merger) {
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if (!isObject(defaults)) {
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return _defu(baseObj, {}, namespace, merger);
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}
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const obj = Object.assign({}, defaults);
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for (const key in baseObj) {
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if (key === "__proto__" || key === "constructor") {
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continue;
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}
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const val = baseObj[key];
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if (val === null || val === void 0) {
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continue;
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}
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if (merger && merger(obj, key, val, namespace)) {
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continue;
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}
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if (Array.isArray(val) && Array.isArray(obj[key])) {
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obj[key] = obj[key].concat(val);
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} else if (isObject(val) && isObject(obj[key])) {
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obj[key] = _defu(val, obj[key], (namespace ? `${namespace}.` : "") + key.toString(), merger);
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} else {
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obj[key] = val;
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}
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}
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return obj;
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}
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function extend(merger) {
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return (...args) => args.reduce((p, c) => _defu(p, c, "", merger), {});
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}
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const defu = extend();
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defu.fn = extend((obj, key, currentValue, _namespace) => {
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if (typeof obj[key] !== "undefined" && typeof currentValue === "function") {
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obj[key] = currentValue(obj[key]);
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return true;
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}
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});
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defu.arrayFn = extend((obj, key, currentValue, _namespace) => {
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if (Array.isArray(obj[key]) && typeof currentValue === "function") {
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obj[key] = currentValue(obj[key]);
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return true;
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}
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});
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defu.extend = extend;
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module.exports = defu;
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+19
-5
@@ -1,5 +1,19 @@
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declare type defuObj = {
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[key: string]: defuObj | any;
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};
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declare function defu<T extends defuObj>(...args: T | any): T;
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export default defu;
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declare type Input = Record<string | number | symbol, any>;
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declare type Merger = <T extends Input, K extends keyof T>(obj: T, key: keyof T, value: T[K], namespace: string) => any;
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declare type nullish = null | undefined | void;
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declare type MergeObjects<Destination extends Input, Defaults extends Input> = Destination extends Defaults ? Destination : Omit<Destination, keyof Destination & keyof Defaults> & Omit<Defaults, keyof Destination & keyof Defaults> & {
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-readonly [Key in keyof Destination & keyof Defaults]: Destination[Key] extends nullish ? Defaults[Key] extends nullish ? nullish : Defaults[Key] : Defaults[Key] extends nullish ? Destination[Key] : Merge<Destination[Key], Defaults[Key]>;
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};
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declare type DefuFn = <Source extends Input, Defaults extends Input>(source: Source, ...defaults: Defaults[]) => MergeObjects<Source, Defaults>;
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interface Defu {
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<Source extends Input, Defaults extends Input>(source: Source, ...defaults: Defaults[]): MergeObjects<Source, Defaults>;
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fn: DefuFn;
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arrayFn: DefuFn;
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extend(merger?: Merger): DefuFn;
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}
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declare type MergeArrays<Destination, Source> = Destination extends Array<infer DestinationType> ? Source extends Array<infer SourceType> ? Array<DestinationType | SourceType> : Source | Array<DestinationType> : Source | Destination;
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declare type Merge<Destination extends Input, Defaults extends Input> = Destination extends nullish ? Defaults extends nullish ? nullish : Defaults : Defaults extends nullish ? Destination : Destination extends Array<any> ? Defaults extends Array<any> ? MergeArrays<Destination, Defaults> : Destination | Defaults : Destination extends Function ? Destination | Defaults : Destination extends RegExp ? Destination | Defaults : Destination extends Promise<any> ? Destination | Defaults : Defaults extends Function ? Destination | Defaults : Defaults extends RegExp ? Destination | Defaults : Defaults extends Promise<any> ? Destination | Defaults : Destination extends Input ? Defaults extends Input ? MergeObjects<Destination, Defaults> : Destination | Defaults : Destination | Defaults;
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declare const defu: Defu;
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export { defu as default };
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+48
@@ -0,0 +1,48 @@
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function isObject(val) {
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return val !== null && typeof val === "object";
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}
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function _defu(baseObj, defaults, namespace = ".", merger) {
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if (!isObject(defaults)) {
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return _defu(baseObj, {}, namespace, merger);
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}
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const obj = Object.assign({}, defaults);
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for (const key in baseObj) {
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if (key === "__proto__" || key === "constructor") {
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continue;
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}
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const val = baseObj[key];
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if (val === null || val === void 0) {
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continue;
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}
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if (merger && merger(obj, key, val, namespace)) {
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continue;
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}
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if (Array.isArray(val) && Array.isArray(obj[key])) {
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obj[key] = obj[key].concat(val);
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} else if (isObject(val) && isObject(obj[key])) {
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obj[key] = _defu(val, obj[key], (namespace ? `${namespace}.` : "") + key.toString(), merger);
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} else {
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obj[key] = val;
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}
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}
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return obj;
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}
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function extend(merger) {
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return (...args) => args.reduce((p, c) => _defu(p, c, "", merger), {});
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}
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const defu = extend();
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defu.fn = extend((obj, key, currentValue, _namespace) => {
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if (typeof obj[key] !== "undefined" && typeof currentValue === "function") {
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obj[key] = currentValue(obj[key]);
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return true;
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}
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});
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defu.arrayFn = extend((obj, key, currentValue, _namespace) => {
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if (Array.isArray(obj[key]) && typeof currentValue === "function") {
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obj[key] = currentValue(obj[key]);
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return true;
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}
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});
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defu.extend = extend;
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export { defu as default };
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