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PatrickSachs
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.gitignore

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node_modules

dist/index.d.ts

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/**
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* Deep clones a JavaScript value.
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* @param value The value to clone.
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*/
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declare const clone: <T>(value: T) => T;
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export default clone;

dist/index.js

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dist/index.js.map

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package-lock.json

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package.json

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{
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"name": "@sahnee/clone",
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"version": "1.0.0",
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"description": "A dependency-free utility library for deep cloning plain objects.",
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"main": "dist/index.js",
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"types": "dist/index.d.ts",
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"scripts": {
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"build": "tsc"
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},
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"author": "Sahnee.dev",
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"license": "(c) Sahnee.dev, all rights reserved",
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"devDependencies": {
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"typescript": "^4.0.2"
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}
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}

src/index.ts

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/**
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* Deep clones a JavaScript value.
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* @param value The value to clone.
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*/
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const clone = <T>(value: T): T => {
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return innerClone(value) as T;
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}
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const innerClone = (value: any): any => {
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if (typeof value === "object") {
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// Null is an object, so we need to explictly catch this
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if (value === null) {
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return null;
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}
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if (Array.isArray(value)) {
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return value.map(innerClone);
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}
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if (value instanceof Date) {
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return new Date(value);
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}
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const keys = Object.keys(value);
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const newValue: Record<string, any> = {};
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for(const key of keys) {
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newValue[key] = innerClone(value[key]);
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}
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return newValue;
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}
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return value;
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}
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export default clone;

tsconfig.json

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{
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"compilerOptions": {
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/* Basic Options */
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// "incremental": true, /* Enable incremental compilation */
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"target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
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"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
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"lib": [
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"dom",
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"esnext"
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], /* Specify library files to be included in the compilation. */
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// "allowJs": true, /* Allow javascript files to be compiled. */
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// "checkJs": true, /* Report errors in .js files. */
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// "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
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"declaration": true, /* Generates corresponding '.d.ts' file. */
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// "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */
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"sourceMap": true, /* Generates corresponding '.map' file. */
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// "outFile": "./", /* Concatenate and emit output to single file. */
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"outDir": "./dist", /* Redirect output structure to the directory. */
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// "rootDir": "./", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
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// "composite": true, /* Enable project compilation */
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// "tsBuildInfoFile": "./", /* Specify file to store incremental compilation information */
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// "removeComments": true, /* Do not emit comments to output. */
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// "noEmit": true, /* Do not emit outputs. */
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// "importHelpers": true, /* Import emit helpers from 'tslib'. */
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// "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
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// "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
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/* Strict Type-Checking Options */
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"strict": true, /* Enable all strict type-checking options. */
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// "noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */
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// "strictNullChecks": true, /* Enable strict null checks. */
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// "strictFunctionTypes": true, /* Enable strict checking of function types. */
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// "strictBindCallApply": true, /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
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// "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */
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// "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */
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// "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */
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/* Additional Checks */
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// "noUnusedLocals": true, /* Report errors on unused locals. */
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// "noUnusedParameters": true, /* Report errors on unused parameters. */
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// "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
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// "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
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/* Module Resolution Options */
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// "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
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// "baseUrl": "./", /* Base directory to resolve non-absolute module names. */
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// "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
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// "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */
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// "typeRoots": [], /* List of folders to include type definitions from. */
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// "types": [], /* Type declaration files to be included in compilation. */
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// "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
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"esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
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// "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */
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// "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */
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/* Source Map Options */
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// "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */
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// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
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// "inlineSourceMap": true, /* Emit a single file with source maps instead of having a separate file. */
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// "inlineSources": true, /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
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/* Experimental Options */
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// "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */
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// "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */
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/* Advanced Options */
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"forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
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},
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"include": [
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"src/**/*"
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]
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}

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