feat(decomment): type definition for v0.9 (#42779)

- type definitions
- tests

https://github.com/vitaly-t/decomment#api

Thanks!

types/decomment/decomment-tests.ts

@@ -0,0 +1,11 @@
+import decomment = require('decomment');
+const code = '/* comment */\r\n\r\n var test = 123';
+decomment(code); // $ExpectType string
+decomment(code, { space: true }); // $ExpectType string
+decomment(code, { ignore: /\/\*\*\s*\n([^\*]|(\*(?!\/)))*\*\//g }); // $ExpectType string
+decomment(code, { trim: true }); // $ExpectType string
+
+const text = '.my-class{color:Red;}// comments';
+decomment.text(text); // $ExpectType string
+decomment.html(text, { space: true }); // $ExpectType string
+decomment.getEOL(text); // $ExpectType string

types/decomment/index.d.ts

@@ -0,0 +1,60 @@
+// Type definitions for decomment 0.9
+// Project: https://github.com/vitaly-t/decomment
+// Definitions by: Piotr Błażejewicz (Peter Blazejewicz) <https://github.com/peterblazejewicz>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/**
+ * This method first checks if the code starts with <,
+ * as an HTML, and if so, all <!-- comment --> entries are removed, according to the options
+ * see {@link https://github.com/vitaly-t/decomment#decommentcode-options--string}
+ */
+declare function decomment(code: string, options?: decomment.Options): string;
+
+declare namespace decomment {
+    interface Options {
+        /**
+         * keep special multi-line comments that begin with:
+         * - <!--[if - for conditional comments in HTML
+         * - /*! - for everything else (other than HTML)
+         * @default false - remove all multi-line comments
+         */
+        safe?: boolean;
+        /**
+         * Takes either a single or an array of regular expressions to match against.
+         * All matching blocks are then skipped, as well as any comment-like content inside them
+         */
+        ignore?: RegExp | RegExp[];
+        /**
+         * replace comment blocks with white spaces where needed,
+         * in order to preserve the original line + column position of every code element.
+         * @default false - remove comment blocks entirely
+         */
+        space?: boolean;
+        /**
+         * remove empty lines that follow removed full-line comments
+         * @defualt false - do not trim comments
+         */
+        trim?: boolean;
+    }
+
+    /**
+     * Unlike the default decomment, it instructs the library that text is not a JSON,
+     * JavaScript or HTML, rather a plain text that needs no parsing or validation,
+     * only to remove \/\/ and \/**\/ comments from it according to the options.
+     */
+    function text(text: string, options?: Options): string;
+    /**
+     * Unlike the default decomment method, it instructs the library not to parse
+     * or validate the input in any way, rather assume it to be HTML,
+     * and remove all <!-- comment --> entries from it according to the options.
+     */
+    function html(html: string, options?: Options): string;
+    /**
+     * Returns End-of-Line string used within the text, based on the occurrence frequency:
+     * - \n - for Unix-encoded text
+     * - \r\n - for Windows-encoded text
+     */
+    function getEOL(text: string): string;
+}
+
+export = decomment;

types/decomment/tsconfig.json

@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "decomment-tests.ts"
+    ]
+}

types/decomment/tslint.json

@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }