mirror of
https://github.com/GoogleChromeLabs/squoosh.git
synced 2025-11-11 16:26:20 +00:00
197 lines
4.8 KiB
JavaScript
197 lines
4.8 KiB
JavaScript
let wasm;
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let memory;
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const heap = new Array(32).fill(undefined);
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heap.push(undefined, null, true, false);
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let heap_next = heap.length;
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function addHeapObject(obj) {
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if (heap_next === heap.length) heap.push(heap.length + 1);
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const idx = heap_next;
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heap_next = heap[idx];
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heap[idx] = obj;
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return idx;
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}
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let cachedTextDecoder = new TextDecoder('utf-8', {
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ignoreBOM: true,
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fatal: true,
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});
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cachedTextDecoder.decode();
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let cachegetUint8Memory0 = null;
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function getUint8Memory0() {
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if (
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cachegetUint8Memory0 === null ||
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cachegetUint8Memory0.buffer !== wasm.__wbindgen_export_0.buffer
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) {
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cachegetUint8Memory0 = new Uint8Array(wasm.__wbindgen_export_0.buffer);
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}
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return cachegetUint8Memory0;
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}
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function getStringFromWasm0(ptr, len) {
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return cachedTextDecoder.decode(getUint8Memory0().slice(ptr, ptr + len));
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}
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let WASM_VECTOR_LEN = 0;
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function passArray8ToWasm0(arg, malloc) {
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const ptr = malloc(arg.length * 1);
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getUint8Memory0().set(arg, ptr / 1);
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WASM_VECTOR_LEN = arg.length;
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return ptr;
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}
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let cachegetInt32Memory0 = null;
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function getInt32Memory0() {
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if (
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cachegetInt32Memory0 === null ||
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cachegetInt32Memory0.buffer !== wasm.__wbindgen_export_0.buffer
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) {
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cachegetInt32Memory0 = new Int32Array(wasm.__wbindgen_export_0.buffer);
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}
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return cachegetInt32Memory0;
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}
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function getArrayU8FromWasm0(ptr, len) {
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return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
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}
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/**
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* @param {Uint8Array} data
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* @param {number} level
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* @returns {Uint8Array}
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*/
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export function optimise(data, level) {
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try {
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const retptr = wasm.__wbindgen_export_1.value - 16;
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wasm.__wbindgen_export_1.value = retptr;
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var ptr0 = passArray8ToWasm0(data, wasm.__wbindgen_malloc);
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var len0 = WASM_VECTOR_LEN;
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wasm.optimise(retptr, ptr0, len0, level);
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var r0 = getInt32Memory0()[retptr / 4 + 0];
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var r1 = getInt32Memory0()[retptr / 4 + 1];
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var v1 = getArrayU8FromWasm0(r0, r1).slice();
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wasm.__wbindgen_free(r0, r1 * 1);
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return v1;
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} finally {
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wasm.__wbindgen_export_1.value += 16;
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}
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}
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function getObject(idx) {
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return heap[idx];
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}
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function dropObject(idx) {
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if (idx < 36) return;
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heap[idx] = heap_next;
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heap_next = idx;
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}
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function takeObject(idx) {
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const ret = getObject(idx);
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dropObject(idx);
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return ret;
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}
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/**
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* @param {number} num
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* @returns {any}
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*/
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export function worker_initializer(num) {
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var ret = wasm.worker_initializer(num);
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return takeObject(ret);
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}
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/**
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*/
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export function start_main_thread() {
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wasm.start_main_thread();
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}
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/**
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*/
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export function start_worker_thread() {
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wasm.start_worker_thread();
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}
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async function load(module, imports, maybe_memory) {
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if (typeof Response === 'function' && module instanceof Response) {
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memory = imports.wbg.memory = new WebAssembly.Memory({
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initial: 17,
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maximum: 16384,
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shared: true,
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});
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if (typeof WebAssembly.instantiateStreaming === 'function') {
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try {
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return await WebAssembly.instantiateStreaming(module, imports);
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} catch (e) {
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if (module.headers.get('Content-Type') != 'application/wasm') {
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console.warn(
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'`WebAssembly.instantiateStreaming` failed because your server does not serve wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n',
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e,
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);
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} else {
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throw e;
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}
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}
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}
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const bytes = await module.arrayBuffer();
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return await WebAssembly.instantiate(bytes, imports);
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} else {
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memory = imports.wbg.memory = maybe_memory;
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const instance = await WebAssembly.instantiate(module, imports);
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if (instance instanceof WebAssembly.Instance) {
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return { instance, module };
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} else {
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return instance;
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}
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}
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}
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async function init(input, maybe_memory) {
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if (typeof input === 'undefined') {
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input = import.meta.url.replace(/\.js$/, '_bg.wasm');
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}
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const imports = {};
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imports.wbg = {};
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imports.wbg.__wbindgen_module = function () {
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var ret = init.__wbindgen_wasm_module;
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return addHeapObject(ret);
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};
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imports.wbg.__wbindgen_memory = function () {
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var ret = wasm.__wbindgen_export_0;
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return addHeapObject(ret);
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};
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imports.wbg.__wbg_of_6510501edc06d65e = function (arg0, arg1) {
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var ret = Array.of(takeObject(arg0), takeObject(arg1));
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return addHeapObject(ret);
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};
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imports.wbg.__wbindgen_throw = function (arg0, arg1) {
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throw new Error(getStringFromWasm0(arg0, arg1));
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};
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if (
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typeof input === 'string' ||
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(typeof Request === 'function' && input instanceof Request) ||
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(typeof URL === 'function' && input instanceof URL)
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) {
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input = fetch(input);
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}
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const { instance, module } = await load(await input, imports, maybe_memory);
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wasm = instance.exports;
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init.__wbindgen_wasm_module = module;
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wasm.__wbindgen_start();
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return wasm;
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}
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export default init;
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