mirror of
https://github.com/GoogleChromeLabs/squoosh.git
synced 2025-11-17 19:19:47 +00:00
344 lines
9.7 KiB
JavaScript
344 lines
9.7 KiB
JavaScript
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let wasm;
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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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function getObject(idx) { return heap[idx]; }
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let heap_next = heap.length;
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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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function debugString(val) {
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// primitive types
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const type = typeof val;
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if (type == 'number' || type == 'boolean' || val == null) {
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return `${val}`;
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}
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if (type == 'string') {
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return `"${val}"`;
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}
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if (type == 'symbol') {
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const description = val.description;
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if (description == null) {
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return 'Symbol';
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} else {
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return `Symbol(${description})`;
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}
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}
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if (type == 'function') {
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const name = val.name;
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if (typeof name == 'string' && name.length > 0) {
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return `Function(${name})`;
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} else {
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return 'Function';
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}
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}
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// objects
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if (Array.isArray(val)) {
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const length = val.length;
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let debug = '[';
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if (length > 0) {
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debug += debugString(val[0]);
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}
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for(let i = 1; i < length; i++) {
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debug += ', ' + debugString(val[i]);
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}
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debug += ']';
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return debug;
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}
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// Test for built-in
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const builtInMatches = /\[object ([^\]]+)\]/.exec(toString.call(val));
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let className;
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if (builtInMatches.length > 1) {
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className = builtInMatches[1];
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} else {
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// Failed to match the standard '[object ClassName]'
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return toString.call(val);
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}
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if (className == 'Object') {
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// we're a user defined class or Object
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// JSON.stringify avoids problems with cycles, and is generally much
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// easier than looping through ownProperties of `val`.
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try {
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return 'Object(' + JSON.stringify(val) + ')';
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} catch (_) {
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return 'Object';
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}
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}
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// errors
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if (val instanceof Error) {
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return `${val.name}: ${val.message}\n${val.stack}`;
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}
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// TODO we could test for more things here, like `Set`s and `Map`s.
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return className;
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}
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let WASM_VECTOR_LEN = 0;
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let cachegetUint8Memory0 = null;
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function getUint8Memory0() {
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if (cachegetUint8Memory0 === null || cachegetUint8Memory0.buffer !== wasm.memory.buffer) {
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cachegetUint8Memory0 = new Uint8Array(wasm.memory.buffer);
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}
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return cachegetUint8Memory0;
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}
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let cachedTextEncoder = new TextEncoder('utf-8');
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const encodeString = (typeof cachedTextEncoder.encodeInto === 'function'
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? function (arg, view) {
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return cachedTextEncoder.encodeInto(arg, view);
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}
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: function (arg, view) {
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const buf = cachedTextEncoder.encode(arg);
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view.set(buf);
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return {
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read: arg.length,
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written: buf.length
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};
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});
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function passStringToWasm0(arg, malloc, realloc) {
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if (typeof(arg) !== 'string') throw new Error('expected a string argument');
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if (realloc === undefined) {
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const buf = cachedTextEncoder.encode(arg);
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const ptr = malloc(buf.length);
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getUint8Memory0().subarray(ptr, ptr + buf.length).set(buf);
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WASM_VECTOR_LEN = buf.length;
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return ptr;
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}
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let len = arg.length;
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let ptr = malloc(len);
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const mem = getUint8Memory0();
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let offset = 0;
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for (; offset < len; offset++) {
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const code = arg.charCodeAt(offset);
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if (code > 0x7F) break;
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mem[ptr + offset] = code;
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}
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if (offset !== len) {
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if (offset !== 0) {
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arg = arg.slice(offset);
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}
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ptr = realloc(ptr, len, len = offset + arg.length * 3);
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const view = getUint8Memory0().subarray(ptr + offset, ptr + len);
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const ret = encodeString(arg, view);
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if (ret.read !== arg.length) throw new Error('failed to pass whole string');
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offset += ret.written;
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}
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WASM_VECTOR_LEN = offset;
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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 (cachegetInt32Memory0 === null || cachegetInt32Memory0.buffer !== wasm.memory.buffer) {
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cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer);
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}
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return cachegetInt32Memory0;
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}
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let cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });
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cachedTextDecoder.decode();
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function getStringFromWasm0(ptr, len) {
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return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len));
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}
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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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function _assertNum(n) {
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if (typeof(n) !== 'number') throw new Error('expected a number argument');
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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} width
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* @param {number} height
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* @returns {Uint8Array}
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*/
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export function encode(data, width, height) {
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try {
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const retptr = wasm.__wbindgen_export_2.value - 16;
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wasm.__wbindgen_export_2.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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_assertNum(width);
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_assertNum(height);
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wasm.encode(retptr, ptr0, len0, width, height);
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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_2.value += 16;
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}
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}
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/**
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* @param {Uint8Array} data
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* @returns {ImageData}
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*/
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export function decode(data) {
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var ptr0 = passArray8ToWasm0(data, wasm.__wbindgen_malloc);
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var len0 = WASM_VECTOR_LEN;
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var ret = wasm.decode(ptr0, len0);
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return takeObject(ret);
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}
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let cachegetUint8ClampedMemory0 = null;
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function getUint8ClampedMemory0() {
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if (cachegetUint8ClampedMemory0 === null || cachegetUint8ClampedMemory0.buffer !== wasm.memory.buffer) {
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cachegetUint8ClampedMemory0 = new Uint8ClampedArray(wasm.memory.buffer);
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}
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return cachegetUint8ClampedMemory0;
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}
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function getClampedArrayU8FromWasm0(ptr, len) {
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return getUint8ClampedMemory0().subarray(ptr / 1, ptr / 1 + len);
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}
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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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if (typeof(heap_next) !== 'number') throw new Error('corrupt heap');
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heap[idx] = obj;
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return idx;
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}
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function handleError(f) {
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return function () {
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try {
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return f.apply(this, arguments);
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} catch (e) {
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wasm.__wbindgen_exn_store(addHeapObject(e));
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}
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};
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}
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function logError(f) {
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return function () {
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try {
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return f.apply(this, arguments);
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} catch (e) {
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let error = (function () {
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try {
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return e instanceof Error ? `${e.message}\n\nStack:\n${e.stack}` : e.toString();
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} catch(_) {
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return "<failed to stringify thrown value>";
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}
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}());
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console.error("wasm-bindgen: imported JS function that was not marked as `catch` threw an error:", error);
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throw e;
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}
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};
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}
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async function load(module, imports) {
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if (typeof Response === 'function' && module instanceof Response) {
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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("`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", e);
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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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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) {
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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.__wbg_newwithu8clampedarrayandsh_104cc36644cfc313 = handleError(function(arg0, arg1, arg2, arg3) {
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var ret = new ImageData(getClampedArrayU8FromWasm0(arg0, arg1), arg2 >>> 0, arg3 >>> 0);
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return addHeapObject(ret);
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});
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imports.wbg.__wbindgen_object_drop_ref = function(arg0) {
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takeObject(arg0);
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};
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imports.wbg.__wbindgen_debug_string = function(arg0, arg1) {
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var ret = debugString(getObject(arg1));
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var ptr0 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
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var len0 = WASM_VECTOR_LEN;
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getInt32Memory0()[arg0 / 4 + 1] = len0;
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getInt32Memory0()[arg0 / 4 + 0] = ptr0;
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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 (typeof input === 'string' || (typeof Request === 'function' && input instanceof Request) || (typeof URL === 'function' && input instanceof URL)) {
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input = fetch(input);
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}
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const { instance, module } = await load(await input, imports);
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wasm = instance.exports;
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init.__wbindgen_wasm_module = module;
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return wasm;
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}
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export default init;
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