first

Author: ken107

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules
+jspm_packages
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# dotenv
+.env

.travis.yml

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+language: node_js
+node_js:
+  - "node"
+cache:
+  directories:
+    - "node_modules"
+script:
+  - "npm run build"
+  - "npm test"

LICENSE

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+MIT License
+
+Copyright (c) 2018 Hai Phan
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+[![Build Status](https://travis-ci.org/ken107/scope-functions.svg?branch=master)](https://travis-ci.org/ken107/scope-functions)
+
+### Usage
+
+```typescript
+import "scope-functions";
+
+let myObj = {a:1}.also(console.log);
+
+let myNumber = {a:1}.let(x => x.a);
+```

dist/index.d.ts

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+declare const _default: true;
+export default _default;
+declare global {
+    interface Object {
+        let<T, R>(this: T, func: (it: T) => R): R;
+        also<T>(this: T, func: (it: T) => void): T;
+    }
+}

dist/index.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.default = true;
+Object.prototype.let = function (func) {
+    return func(this);
+};
+Object.prototype.also = function (func) {
+    func(this);
+    return this;
+};

dist/index.test.d.ts

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+import "./index";

dist/index.test.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+require("./index");
+test("main", () => {
+    expect({ a: 1 }.also(x => x.a++)).toEqual({ a: 2 });
+    expect({ a: 1 }.let(x => x.a)).toBe(1);
+});