create project

kitabcitab/node_modules/next/dist/server/lib/squoosh/codecs.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.codecs = exports.preprocessors = void 0;
+var _fs = require("fs");
+var path = _interopRequireWildcard(require("path"));
+var _emscriptenUtilsJs = require("./emscripten-utils.js");
+var _mozjpegNodeEncJs = _interopRequireDefault(require("./mozjpeg/mozjpeg_node_enc.js"));
+var _mozjpegNodeDecJs = _interopRequireDefault(require("./mozjpeg/mozjpeg_node_dec.js"));
+var _webpNodeEncJs = _interopRequireDefault(require("./webp/webp_node_enc.js"));
+var _webpNodeDecJs = _interopRequireDefault(require("./webp/webp_node_dec.js"));
+var _avifNodeEncJs = _interopRequireDefault(require("./avif/avif_node_enc.js"));
+var _avifNodeDecJs = _interopRequireDefault(require("./avif/avif_node_dec.js"));
+var pngEncDec = _interopRequireWildcard(require("./png/squoosh_png.js"));
+var oxipng = _interopRequireWildcard(require("./png/squoosh_oxipng.js"));
+var resize = _interopRequireWildcard(require("./resize/squoosh_resize.js"));
+var _imageData = _interopRequireDefault(require("./image_data"));
+function _interopRequireDefault(obj) {
+    return obj && obj.__esModule ? obj : {
+        default: obj
+    };
+}
+function _getRequireWildcardCache() {
+    if (typeof WeakMap !== "function") return null;
+    var cache = new WeakMap();
+    _getRequireWildcardCache = function() {
+        return cache;
+    };
+    return cache;
+}
+function _interopRequireWildcard(obj) {
+    if (obj && obj.__esModule) {
+        return obj;
+    }
+    if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
+        return {
+            default: obj
+        };
+    }
+    var cache = _getRequireWildcardCache();
+    if (cache && cache.has(obj)) {
+        return cache.get(obj);
+    }
+    var newObj = {};
+    var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
+    for(var key in obj){
+        if (Object.prototype.hasOwnProperty.call(obj, key)) {
+            var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
+            if (desc && (desc.get || desc.set)) {
+                Object.defineProperty(newObj, key, desc);
+            } else {
+                newObj[key] = obj[key];
+            }
+        }
+    }
+    newObj.default = obj;
+    if (cache) {
+        cache.set(obj, newObj);
+    }
+    return newObj;
+}
+const mozEncWasm = path.resolve(__dirname, "./mozjpeg/mozjpeg_node_enc.wasm");
+const mozDecWasm = path.resolve(__dirname, "./mozjpeg/mozjpeg_node_dec.wasm");
+const webpEncWasm = path.resolve(__dirname, "./webp/webp_node_enc.wasm");
+const webpDecWasm = path.resolve(__dirname, "./webp/webp_node_dec.wasm");
+const avifEncWasm = path.resolve(__dirname, "./avif/avif_node_enc.wasm");
+const avifDecWasm = path.resolve(__dirname, "./avif/avif_node_dec.wasm");
+const pngEncDecWasm = path.resolve(__dirname, "./png/squoosh_png_bg.wasm");
+const pngEncDecInit = ()=>pngEncDec.default(_fs.promises.readFile((0, _emscriptenUtilsJs).pathify(pngEncDecWasm)));
+const oxipngWasm = path.resolve(__dirname, "./png/squoosh_oxipng_bg.wasm");
+const oxipngInit = ()=>oxipng.default(_fs.promises.readFile((0, _emscriptenUtilsJs).pathify(oxipngWasm)));
+const resizeWasm = path.resolve(__dirname, "./resize/squoosh_resize_bg.wasm");
+const resizeInit = ()=>resize.default(_fs.promises.readFile((0, _emscriptenUtilsJs).pathify(resizeWasm)));
+// rotate
+const rotateWasm = path.resolve(__dirname, "./rotate/rotate.wasm");
+globalThis.ImageData = _imageData.default;
+function resizeNameToIndex(name) {
+    switch(name){
+        case "triangle":
+            return 0;
+        case "catrom":
+            return 1;
+        case "mitchell":
+            return 2;
+        case "lanczos3":
+            return 3;
+        default:
+            throw Error(`Unknown resize algorithm "${name}"`);
+    }
+}
+function resizeWithAspect({ input_width , input_height , target_width , target_height  }) {
+    if (!target_width && !target_height) {
+        throw Error("Need to specify at least width or height when resizing");
+    }
+    if (target_width && target_height) {
+        return {
+            width: target_width,
+            height: target_height
+        };
+    }
+    if (!target_width) {
+        return {
+            width: Math.round(input_width / input_height * target_height),
+            height: target_height
+        };
+    }
+    return {
+        width: target_width,
+        height: Math.round(input_height / input_width * target_width)
+    };
+}
+const preprocessors = {
+    resize: {
+        name: "Resize",
+        description: "Resize the image before compressing",
+        instantiate: async ()=>{
+            await resizeInit();
+            return (buffer, input_width, input_height, { width , height , method , premultiply , linearRGB  })=>{
+                ({ width , height  } = resizeWithAspect({
+                    input_width,
+                    input_height,
+                    target_width: width,
+                    target_height: height
+                }));
+                const imageData = new _imageData.default(resize.resize(buffer, input_width, input_height, width, height, resizeNameToIndex(method), premultiply, linearRGB), width, height);
+                resize.cleanup();
+                return imageData;
+            };
+        },
+        defaultOptions: {
+            method: "lanczos3",
+            fitMethod: "stretch",
+            premultiply: true,
+            linearRGB: true
+        }
+    },
+    rotate: {
+        name: "Rotate",
+        description: "Rotate image",
+        instantiate: async ()=>{
+            return async (buffer, width, height, { numRotations  })=>{
+                const degrees = numRotations * 90 % 360;
+                const sameDimensions = degrees === 0 || degrees === 180;
+                const size = width * height * 4;
+                const instance = (await WebAssembly.instantiate(await _fs.promises.readFile((0, _emscriptenUtilsJs).pathify(rotateWasm)))).instance;
+                const { memory  } = instance.exports;
+                const additionalPagesNeeded = Math.ceil((size * 2 - memory.buffer.byteLength + 8) / (64 * 1024));
+                if (additionalPagesNeeded > 0) {
+                    memory.grow(additionalPagesNeeded);
+                }
+                const view = new Uint8ClampedArray(memory.buffer);
+                view.set(buffer, 8);
+                instance.exports.rotate(width, height, degrees);
+                return new _imageData.default(view.slice(size + 8, size * 2 + 8), sameDimensions ? width : height, sameDimensions ? height : width);
+            };
+        },
+        defaultOptions: {
+            numRotations: 0
+        }
+    }
+};
+exports.preprocessors = preprocessors;
+const codecs = {
+    mozjpeg: {
+        name: "MozJPEG",
+        extension: "jpg",
+        detectors: [
+            /^\xFF\xD8\xFF/
+        ],
+        dec: ()=>(0, _emscriptenUtilsJs).instantiateEmscriptenWasm(_mozjpegNodeDecJs.default, mozDecWasm),
+        enc: ()=>(0, _emscriptenUtilsJs).instantiateEmscriptenWasm(_mozjpegNodeEncJs.default, mozEncWasm),
+        defaultEncoderOptions: {
+            quality: 75,
+            baseline: false,
+            arithmetic: false,
+            progressive: true,
+            optimize_coding: true,
+            smoothing: 0,
+            color_space: 3 /*YCbCr*/ ,
+            quant_table: 3,
+            trellis_multipass: false,
+            trellis_opt_zero: false,
+            trellis_opt_table: false,
+            trellis_loops: 1,
+            auto_subsample: true,
+            chroma_subsample: 2,
+            separate_chroma_quality: false,
+            chroma_quality: 75
+        },
+        autoOptimize: {
+            option: "quality",
+            min: 0,
+            max: 100
+        }
+    },
+    webp: {
+        name: "WebP",
+        extension: "webp",
+        detectors: [
+            /^RIFF....WEBPVP8[LX ]/s
+        ],
+        dec: ()=>(0, _emscriptenUtilsJs).instantiateEmscriptenWasm(_webpNodeDecJs.default, webpDecWasm),
+        enc: ()=>(0, _emscriptenUtilsJs).instantiateEmscriptenWasm(_webpNodeEncJs.default, webpEncWasm),
+        defaultEncoderOptions: {
+            quality: 75,
+            target_size: 0,
+            target_PSNR: 0,
+            method: 4,
+            sns_strength: 50,
+            filter_strength: 60,
+            filter_sharpness: 0,
+            filter_type: 1,
+            partitions: 0,
+            segments: 4,
+            pass: 1,
+            show_compressed: 0,
+            preprocessing: 0,
+            autofilter: 0,
+            partition_limit: 0,
+            alpha_compression: 1,
+            alpha_filtering: 1,
+            alpha_quality: 100,
+            lossless: 0,
+            exact: 0,
+            image_hint: 0,
+            emulate_jpeg_size: 0,
+            thread_level: 0,
+            low_memory: 0,
+            near_lossless: 100,
+            use_delta_palette: 0,
+            use_sharp_yuv: 0
+        },
+        autoOptimize: {
+            option: "quality",
+            min: 0,
+            max: 100
+        }
+    },
+    avif: {
+        name: "AVIF",
+        extension: "avif",
+        // eslint-disable-next-line no-control-regex
+        detectors: [
+            /^\x00\x00\x00 ftypavif\x00\x00\x00\x00/
+        ],
+        dec: ()=>(0, _emscriptenUtilsJs).instantiateEmscriptenWasm(_avifNodeDecJs.default, avifDecWasm),
+        enc: async ()=>{
+            return (0, _emscriptenUtilsJs).instantiateEmscriptenWasm(_avifNodeEncJs.default, avifEncWasm);
+        },
+        defaultEncoderOptions: {
+            cqLevel: 33,
+            cqAlphaLevel: -1,
+            denoiseLevel: 0,
+            tileColsLog2: 0,
+            tileRowsLog2: 0,
+            speed: 6,
+            subsample: 1,
+            chromaDeltaQ: false,
+            sharpness: 0,
+            tune: 0 /* AVIFTune.auto */ 
+        },
+        autoOptimize: {
+            option: "cqLevel",
+            min: 62,
+            max: 0
+        }
+    },
+    oxipng: {
+        name: "OxiPNG",
+        extension: "png",
+        // eslint-disable-next-line no-control-regex
+        detectors: [
+            /^\x89PNG\x0D\x0A\x1A\x0A/
+        ],
+        dec: async ()=>{
+            await pngEncDecInit();
+            return {
+                decode: (buffer)=>{
+                    const imageData = pngEncDec.decode(buffer);
+                    pngEncDec.cleanup();
+                    return imageData;
+                }
+            };
+        },
+        enc: async ()=>{
+            await pngEncDecInit();
+            await oxipngInit();
+            return {
+                encode: (buffer, width, height, opts)=>{
+                    const simplePng = pngEncDec.encode(new Uint8Array(buffer), width, height);
+                    const imageData = oxipng.optimise(simplePng, opts.level, false);
+                    oxipng.cleanup();
+                    return imageData;
+                }
+            };
+        },
+        defaultEncoderOptions: {
+            level: 2
+        },
+        autoOptimize: {
+            option: "level",
+            min: 6,
+            max: 1
+        }
+    }
+};
+exports.codecs = codecs;
+
+//# sourceMappingURL=codecs.js.map