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