imagemin-mozjpeg (#38202)

* imagemin-mozjpeg

* fix test since imagemin v8 is not merged

* fix formatting

types/imagemin-mozjpeg/imagemin-mozjpeg-tests.ts

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+import imagemin = require('imagemin');
+import imageminMozjpeg = require('imagemin-mozjpeg');
+
+imagemin([ '*.jpg' ]);
+/* Comment out since imagemin 8 PR is not yet merged
+imagemin([ '*.jpg' ], {
+    destination: 'something',
+    plugins: [
+        imageminMozjpeg(),
+        imageminMozjpeg({
+            quality: 10,
+            progressive: true,
+            targa: false,
+            revert: false,
+            fastCrush: true,
+            dcScanOpt: 1,
+            trellis: true,
+            trellisDC: true,
+            tune: 'hvs-psnr',
+            overshoot: true,
+            arithmetic: true,
+            dct: 'int',
+            quantBaseline: false,
+            quantTable: 1,
+            smooth: 5,
+            maxMemory: 1024,
+            sample: [ '2x1', '3x2' ],
+        }),
+    ],
+});
+*/

types/imagemin-mozjpeg/index.d.ts

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+// Type definitions for imagemin-mozjpeg 8.0
+// Project: https://github.com/imagemin/imagemin-mozjpeg#readme
+// Definitions by: Jeff Chan <https://github.com/hkjeffchan>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+import { Plugin } from 'imagemin';
+
+declare function imageminMozjpeg(options?: imageminMozjpeg.Options): Plugin;
+
+declare namespace imageminMozjpeg {
+    interface Options {
+        /** Compression quality, in range 0 (worst) to 100 (perfect). */
+        quality?: number;
+
+        /**
+         * false creates baseline JPEG file.
+         * @default true
+         */
+        progressive?: boolean;
+
+        /**
+         * Input file is Targa format (usually not needed).
+         * @default false
+         */
+        targa?: boolean;
+
+        /**
+         * Revert to standard defaults instead of mozjpeg defaults.
+         * @default false
+         */
+        revert?: boolean;
+
+        /**
+         * Disable progressive scan optimization.
+         * @default false
+         */
+        fastCrush?: boolean;
+
+        /**
+         * Set DC scan optimization mode.
+         *  0 One scan for all components
+         *  1 One scan per component
+         *  2 Optimize between one scan for all components and one scan for 1st component plus one scan for remaining components
+         * @default 1
+         */
+        dcScanOpt?: number;
+
+        /**
+         * Trellis optimization.
+         * @default true
+         *
+         */
+        trellis?: boolean;
+
+        /**
+         * Trellis optimization of DC coefficients.
+         * @default true
+         */
+        trellisDC?: boolean;
+
+        /**
+         * Set Trellis optimization method. Available methods: psnr, hvs-psnr, ssim, ms-ssim
+         * @default 'hvs-psnr'
+         */
+        tune?: 'psnr' | 'hvs-psnr' | 'ssim' | 'ms-ssim';
+
+        /**
+         * Black-on-white deringing via overshoot.
+         * @default true
+         */
+        overshoot?: boolean;
+
+        /**
+         * Use arithmetic coding.
+         * @default false
+         */
+        arithmetic?: boolean;
+
+        /**
+         * Set DCT method:
+         * int Use integer DCT
+         * fast Use fast integer DCT (less accurate)
+         * float Use floating-point DCT
+         * @default 'int'
+         */
+        dct?: 'int' | 'fast' | 'float';
+
+        /**
+         * Use 8-bit quantization table entries for baseline JPEG compatibility.
+         * @default false
+         */
+        quantBaseline?: boolean;
+
+        /**
+         * Use predefined quantization table.
+         * 0 JPEG Annex K
+         * 1 Flat
+         * 2 Custom, tuned for MS-SSIM
+         * 3 ImageMagick table by N. Robidoux
+         * 4 Custom, tuned for PSNR-HVS
+         * 5 Table from paper by Klein, Silverstein and Carney
+         */
+        quantTable?: number;
+
+        /**
+         * Set the strength of smooth dithered input. (1...100)
+         */
+        smooth?: number;
+
+        /**
+         * Set the maximum memory to use in kilobytes.
+         */
+        maxMemory?: number;
+
+        /**
+         * Set component sampling factors. Each item should be in the format HxV, for example 2x1.
+         */
+        sample?: string[];
+    }
+}
+
+export = imageminMozjpeg;

types/imagemin-mozjpeg/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",
+        "imagemin-mozjpeg-tests.ts"
+    ]
+}

types/imagemin-mozjpeg/tslint.json

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