Add gulp-minify (#43766)

* gulp-minify init

* Definitions by

* prettier

* test

* update

* update

* update

* update

types/gulp-minify/gulp-minify-tests.ts

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+import * as gulp from 'gulp';
+import * as minify from 'gulp-minify';
+
+gulp.task('minify-1', () => {
+    gulp.src('./src').pipe(minify()).pipe(gulp.dest('./out'));
+});
+
+gulp.task('minify-2', () => {
+    gulp.src('./src')
+        .pipe(
+            minify({
+                preserveComments: 'all',
+                mangle: true,
+                ignoreFiles: ['file.js'],
+            }),
+        )
+        .pipe(gulp.dest('./out'));
+});

types/gulp-minify/index.d.ts

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+// Type definitions for gulp-minify 3.1
+// Project: https://github.com/hustxiaoc/gulp-minify
+// Definitions by: Elias Skogevall <https://github.com/tscpp>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/// <reference types="node"/>
+
+interface minify {
+    (options?: Options): NodeJS.ReadWriteStream;
+}
+
+interface Options {
+    /**
+     * An object that specifies output src and minified file extensions.
+     */
+    ext?: {
+        /**
+         * The suffix string of the filenames that output source files ends with.
+         */
+        src?: string;
+
+        /**
+         * The suffix string of the filenames that output minified files ends with or the regex expressions to be replaced with input filenames.
+         */
+        min?: string | string[];
+    };
+
+    /**
+     * Will not minify files in the dirs.
+     */
+    exclude?: string[];
+
+    /**
+     * If true, will not output the source code in the dest dirs.
+     */
+    noSource?: boolean;
+
+    /**
+     * Will not minify files which matches the pattern.
+     */
+    ignoreFiles?: string[];
+
+    /**
+     * If true, will mangle variable names.
+     */
+    mangle?: boolean;
+
+    /**
+     * Pass an object if you wish to specify additional output options.The defaults are optimized for best compression.
+     */
+    output?: {
+        /**
+         * Start indentation on every line (only when `beautify`)
+         */
+        indent_start?: number;
+
+        /**
+         * Indentation level (only when `beautify`)
+         */
+        indent_level?: number;
+
+        /**
+         * Quote all keys in object literals?
+         */
+        quote_keys?: false;
+
+        /**
+         * Add a space after colon signs?
+         */
+        space_colon?: boolean;
+
+        /**
+         * Output ASCII-safe? (encodes Unicode characters as ASCII)
+         */
+        ascii_only?: boolean;
+
+        /**
+         * Escape "</script"?
+         */
+        inline_script?: boolean;
+
+        /**
+         * Informative maximum line width (for beautified output)
+         */
+        width?: 80;
+
+        /**
+         * Maximum line length (for non-beautified output)
+         */
+        max_line_len?: 32000;
+
+        /**
+         * Beautify output?
+         */
+        ie_proof?: boolean;
+
+        /**
+         * Beautify output?
+         */
+        beautify?: boolean;
+
+        /**
+         * Output a source map
+         */
+        source_map?: boolean;
+
+        /**
+         * Use brackets every time?
+         */
+        bracketize?: boolean;
+
+        /**
+         * Output comments?
+         */
+        comments?: boolean;
+
+        /**
+         * Use semicolons to separate statements? (otherwise, newlines)
+         */
+        semicolons?: boolean;
+    };
+
+    /**
+     * Pass an object to specify custom compressor options. Pass false to skip compression completely.
+     */
+    compress?:
+    | {
+        /**
+         * join consecutive statemets with the “comma operator”
+         */
+        sequences?: boolean;
+
+        /**
+         * optimize property access?: a["foo"] → a.foo
+         */
+        properties?: boolean;
+
+        /**
+         * discard unreachable code
+         */
+        dead_code?: boolean;
+
+        /**
+         * discard “debugger” statements
+         */
+        drop_debugger?: boolean;
+
+        /**
+         * some unsafe optimizations (see below)
+         */
+        unsafe?: boolean; //
+
+        /**
+         * optimize if-s and conditional expressions
+         */
+        conditionals?: boolean;
+
+        /**
+         * optimize comparisons
+         */
+        comparisons?: boolean;
+
+        /**
+         * optimize boolean expressions
+         */
+        evaluate?: boolean;
+
+        /**
+         * optimize boolean expressions
+         */
+        booleans?: boolean;
+
+        /**
+         * optimize loops
+         */
+        loops?: boolean;
+
+        /**
+         * drop unused variables/functions
+         */
+        unused?: boolean;
+
+        /**
+         * hoist function declarations
+         */
+        hoist_funs?: boolean;
+
+        /**
+         * hoist variable declarations
+         */
+        hoist_vars?: boolean; // hoist variable declarations
+
+        /**
+         * optimize if-s followed by return/continue
+         */
+        if_return?: boolean;
+
+        /**
+         * join var declarations
+         */
+        join_vars?: boolean;
+
+        /**
+         * try to cascade `right` into `left` in sequences
+         */
+        cascade?: boolean;
+
+        /**
+         * drop side-effect-free statements
+         */
+        side_effects?: boolean;
+
+        /**
+         * warn about potentially dangerous optimizations/code
+         */
+        warnings?: boolean;
+
+        /**
+         * global definitions
+         */
+        global_defs?: {};
+    }
+    | boolean;
+
+    /**
+     * A convenience option for options.output.comments. Defaults to preserving no comments.
+     *
+     * * **all**: Preserve all comments in code blocks.
+     *
+     * * **some**: preserve comments that start with a bang(!) or include a Closure Compiler directive(@preserve, @license, @cc_on).
+     *
+     * * **function**: specify your own comment preservation function. You will be passed the current node and the current comment and are expected to return a boolean.
+     */
+    preserveComments?: 'all' | 'some' | ((node?: any, comment?: any) => boolean);
+}
+
+declare var minify: minify;
+export = minify;

types/gulp-minify/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "gulp-minify-tests.ts"
+    ]
+}

types/gulp-minify/tslint.json

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+{ "extends": "dtslint/dt.json" }