@syncfusion/ej2
Version:
A modern JavaScript UI toolkit that has been built from the ground up to be lightweight, responsive, modular and touch friendly. It is written in TypeScript and has no external dependencies.
1,206 lines (1,191 loc) • 210 kB
JavaScript
var PDFiumModule = (() => {
var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
if (typeof __filename !== 'undefined')
_scriptDir = _scriptDir || __filename;
return (function (PDFiumModule = {}) {
var Module = typeof PDFiumModule != "undefined" ? PDFiumModule : {};
var ENVIRONMENT_IS_WEB = typeof window == "object";
var ENVIRONMENT_IS_WORKER = typeof WorkerGlobalScope != "undefined";
var ENVIRONMENT_IS_NODE = typeof process == "object" && process.versions && process.versions.node && process.type != "renderer";
var arguments_ = [];
var thisProgram = "./this.program";
var quit_ = (status, toThrow) => {
throw toThrow
};
var _scriptName = typeof document != "undefined" ? document.currentScript && document.currentScript.src : undefined;
if (typeof __filename != "undefined") {
_scriptName = __filename
} else if (ENVIRONMENT_IS_WORKER) {
_scriptName = self.location.href
}
var scriptDirectory = "";
function locateFile(path) {
if (Module["locateFile"]) {
return Module["locateFile"](path, scriptDirectory)
}
return scriptDirectory + path
}
var readAsync, readBinary;
if (ENVIRONMENT_IS_NODE) {
var fs = require("fs");
scriptDirectory = __dirname + "/";
readBinary = filename => {
filename = isFileURI(filename) ? new URL(filename) : filename;
var ret = fs.readFileSync(filename);
return ret
};
readAsync = async (filename, binary = true) => {
filename = isFileURI(filename) ? new URL(filename) : filename;
var ret = fs.readFileSync(filename, binary ? undefined : "utf8");
return ret
};
if (process.argv.length > 1) {
thisProgram = process.argv[1].replace(/\\/g, "/")
}
arguments_ = process.argv.slice(2);
if (typeof module != "undefined") {
module["exports"] = Module
}
quit_ = (status, toThrow) => {
process.exitCode = status;
throw toThrow
}
} else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
try {
scriptDirectory = new URL(".", _scriptName).href
} catch {} {
if (ENVIRONMENT_IS_WORKER) {
readBinary = url => {
var xhr = new XMLHttpRequest;
xhr.open("GET", url, false);
xhr.responseType = "arraybuffer";
xhr.send(null);
return new Uint8Array(xhr.response)
}
}
readAsync = async url => {
if (isFileURI(url)) {
return new Promise((resolve, reject) => {
var xhr = new XMLHttpRequest;
xhr.open("GET", url, true);
xhr.responseType = "arraybuffer";
xhr.onload = () => {
if (xhr.status == 200 || xhr.status == 0 && xhr.response) {
resolve(xhr.response);
return
}
reject(xhr.status)
};
xhr.onerror = reject;
xhr.send(null)
})
}
var response = await fetch(url, {
credentials: "same-origin"
});
if (response.ok) {
return response.arrayBuffer()
}
throw new Error(response.status + " : " + response.url)
}
}
} else {}
var out = console.log.bind(console);
var err = console.error.bind(console);
var wasmBinary;
var ABORT = false;
var isFileURI = filename => filename.startsWith("file://");
var wasmMemory;
var HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;
var HEAP64, HEAPU64;
var runtimeInitialized = false;
function updateMemoryViews() {
var b = wasmMemory.buffer;
Module["HEAP8"] = HEAP8 = new Int8Array(b);
Module["HEAP16"] = HEAP16 = new Int16Array(b);
Module["HEAPU8"] = HEAPU8 = new Uint8Array(b);
Module["HEAPU16"] = HEAPU16 = new Uint16Array(b);
Module["HEAP32"] = HEAP32 = new Int32Array(b);
Module["HEAPU32"] = HEAPU32 = new Uint32Array(b);
Module["HEAPF32"] = HEAPF32 = new Float32Array(b);
Module["HEAPF64"] = HEAPF64 = new Float64Array(b);
Module["HEAP64"] = HEAP64 = new BigInt64Array(b);
Module["HEAPU64"] = HEAPU64 = new BigUint64Array(b)
}
function preRun() {
if (Module["preRun"]) {
if (typeof Module["preRun"] == "function") Module["preRun"] = [Module["preRun"]];
while (Module["preRun"].length) {
addOnPreRun(Module["preRun"].shift())
}
}
callRuntimeCallbacks(onPreRuns)
}
function initRuntime() {
runtimeInitialized = true;
if (!Module["noFSInit"] && !FS.initialized) FS.init();
TTY.init();
wasmExports["__wasm_call_ctors"]();
FS.ignorePermissions = false
}
function postRun() {
if (Module["postRun"]) {
if (typeof Module["postRun"] == "function") Module["postRun"] = [Module["postRun"]];
while (Module["postRun"].length) {
addOnPostRun(Module["postRun"].shift())
}
}
callRuntimeCallbacks(onPostRuns)
}
var runDependencies = 0;
var dependenciesFulfilled = null;
function addRunDependency(id) {
runDependencies++;
if(Module["monitorRunDependencies"]){
Module["monitorRunDependencies"](runDependencies)
}
}
function removeRunDependency(id) {
runDependencies--;
if (Module["monitorRunDependencies"]) {
Module["monitorRunDependencies"](runDependencies);
}
if (runDependencies == 0) {
if (dependenciesFulfilled) {
var callback = dependenciesFulfilled;
dependenciesFulfilled = null;
callback()
}
}
}
function abort(what) {
if (Module["onAbort"]) {
Module["onAbort"](what)
}
what = "Aborted(" + what + ")";
err(what);
ABORT = true;
what += ". Build with -sASSERTIONS for more info.";
var e = new WebAssembly.RuntimeError(what);
throw e
}
var dataURIPrefix = "data:application/octet-stream;base64,";
function isDataURI(filename) {
return filename.startsWith(dataURIPrefix)
}
var wasmBinaryFile;
function findWasmBinary() {
var wasmBinaryFile;
if (PDFiumModule.url) {
wasmBinaryFile = PDFiumModule.url + '/pdfium.wasm';
}
else {
wasmBinaryFile = 'pdfium.wasm';
}
if (!isDataURI(wasmBinaryFile)) {
wasmBinaryFile = locateFile(wasmBinaryFile)
}
return locateFile(wasmBinaryFile)
}
function getBinarySync(file) {
if (file == wasmBinaryFile && wasmBinary) {
return new Uint8Array(wasmBinary)
}
if (readBinary) {
return readBinary(file)
}
throw "both async and sync fetching of the wasm failed"
}
async function getWasmBinary(binaryFile) {
if (!wasmBinary) {
try {
var response = await readAsync(binaryFile);
return new Uint8Array(response)
} catch {}
}
return getBinarySync(binaryFile)
}
async function instantiateArrayBuffer(binaryFile, imports) {
try {
var binary = await getWasmBinary(binaryFile);
var instance = await WebAssembly.instantiate(binary, imports);
return instance
} catch (reason) {
err(`failed to asynchronously prepare wasm: ${reason}`);
abort(reason)
}
}
async function instantiateAsync(binary, binaryFile, imports) {
if (!binary && typeof WebAssembly.instantiateStreaming == "function" && !isFileURI(binaryFile) && !ENVIRONMENT_IS_NODE) {
try {
var response = fetch(binaryFile, {
credentials: "same-origin"
});
var instantiationResult = await WebAssembly.instantiateStreaming(response, imports);
return instantiationResult
} catch (reason) {
err(`wasm streaming compile failed: ${reason}`);
err("falling back to ArrayBuffer instantiation")
}
}
return instantiateArrayBuffer(binaryFile, imports)
}
function getWasmImports() {
return {
env: wasmImports,
wasi_snapshot_preview1: wasmImports
}
}
async function createWasm() {
function receiveInstance(instance, module) {
wasmExports = instance.exports;
wasmExports = applySignatureConversions(wasmExports);
wasmMemory = wasmExports["memory"];
updateMemoryViews();
wasmTable = wasmExports["__indirect_function_table"];
assignWasmExports(wasmExports);
removeRunDependency("wasm-instantiate");
return wasmExports
}
addRunDependency("wasm-instantiate");
function receiveInstantiationResult(result) {
return receiveInstance(result["instance"])
}
var info = getWasmImports();
if (Module["instantiateWasm"]) {
return new Promise((resolve, reject) => {
Module["instantiateWasm"](info, (mod, inst) => {
resolve(receiveInstance(mod, inst))
})
})
}
wasmBinaryFile = findWasmBinary();
var result = await instantiateAsync(wasmBinary, wasmBinaryFile, info);
var exports = receiveInstantiationResult(result);
return exports
}
class ExitStatus {
name = "ExitStatus";
constructor(status) {
this.message = `Program terminated with exit(${status})`;
this.status = status
}
}
var callRuntimeCallbacks = callbacks => {
while (callbacks.length > 0) {
callbacks.shift()(Module)
}
};
var onPostRuns = [];
var addOnPostRun = cb => onPostRuns.push(cb);
var onPreRuns = [];
var addOnPreRun = cb => onPreRuns.push(cb);
var noExitRuntime = true;
function setValue(ptr, value, type = "i8") {
if (type.endsWith("*")) type = "*";
switch (type) {
case "i1":
HEAP8[ptr >>> 0] = value;
break;
case "i8":
HEAP8[ptr >>> 0] = value;
break;
case "i16":
HEAP16[ptr >>> 1 >>> 0] = value;
break;
case "i32":
HEAP32[ptr >>> 2 >>> 0] = value;
break;
case "i64":
HEAP64[ptr >>> 3 >>> 0] = BigInt(value);
break;
case "float":
HEAPF32[ptr >>> 2 >>> 0] = value;
break;
case "double":
HEAPF64[ptr >>> 3 >>> 0] = value;
break;
case "*":
HEAPU32[ptr >>> 2 >>> 0] = value;
break;
default:
abort(`invalid type for setValue: ${type}`)
}
}
var stackRestore = val => __emscripten_stack_restore(val);
var stackSave = () => _emscripten_stack_get_current();
var syscallGetVarargI = () => {
var ret = HEAP32[+SYSCALLS.varargs >>> 2 >>> 0];
SYSCALLS.varargs += 4;
return ret
};
var syscallGetVarargP = syscallGetVarargI;
var PATH = {
isAbs: path => path.charAt(0) === "/",
splitPath: filename => {
var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
return splitPathRe.exec(filename).slice(1)
},
normalizeArray: (parts, allowAboveRoot) => {
var up = 0;
for (var i = parts.length - 1; i >= 0; i--) {
var last = parts[i];
if (last === ".") {
parts.splice(i, 1)
} else if (last === "..") {
parts.splice(i, 1);
up++
} else if (up) {
parts.splice(i, 1);
up--
}
}
if (allowAboveRoot) {
for (; up; up--) {
parts.unshift("..")
}
}
return parts
},
normalize: path => {
var isAbsolute = PATH.isAbs(path),
trailingSlash = path.slice(-1) === "/";
path = PATH.normalizeArray(path.split("/").filter(p => !!p), !isAbsolute).join("/");
if (!path && !isAbsolute) {
path = "."
}
if (path && trailingSlash) {
path += "/"
}
return (isAbsolute ? "/" : "") + path
},
dirname: path => {
var result = PATH.splitPath(path),
root = result[0],
dir = result[1];
if (!root && !dir) {
return "."
}
if (dir) {
dir = dir.slice(0, -1)
}
return root + dir
},
basename: path => path && path.match(/([^\/]+|\/)\/*$/)[1],
join: (...paths) => PATH.normalize(paths.join("/")),
join2: (l, r) => PATH.normalize(l + "/" + r)
};
var initRandomFill = () => {
if (ENVIRONMENT_IS_NODE) {
var nodeCrypto = require("crypto");
return view => nodeCrypto.randomFillSync(view)
}
return view => crypto.getRandomValues(view)
};
var randomFill = view => {
(randomFill = initRandomFill())(view)
};
var PATH_FS = {
resolve: (...args) => {
var resolvedPath = "",
resolvedAbsolute = false;
for (var i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) {
var path = i >= 0 ? args[i] : FS.cwd();
if (typeof path != "string") {
throw new TypeError("Arguments to path.resolve must be strings")
} else if (!path) {
return ""
}
resolvedPath = path + "/" + resolvedPath;
resolvedAbsolute = PATH.isAbs(path)
}
resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(p => !!p), !resolvedAbsolute).join("/");
return (resolvedAbsolute ? "/" : "") + resolvedPath || "."
},
relative: (from, to) => {
from = PATH_FS.resolve(from).slice(1);
to = PATH_FS.resolve(to).slice(1);
function trim(arr) {
var start = 0;
for (; start < arr.length; start++) {
if (arr[start] !== "") break
}
var end = arr.length - 1;
for (; end >= 0; end--) {
if (arr[end] !== "") break
}
if (start > end) return [];
return arr.slice(start, end - start + 1)
}
var fromParts = trim(from.split("/"));
var toParts = trim(to.split("/"));
var length = Math.min(fromParts.length, toParts.length);
var samePartsLength = length;
for (var i = 0; i < length; i++) {
if (fromParts[i] !== toParts[i]) {
samePartsLength = i;
break
}
}
var outputParts = [];
for (var i = samePartsLength; i < fromParts.length; i++) {
outputParts.push("..")
}
outputParts = outputParts.concat(toParts.slice(samePartsLength));
return outputParts.join("/")
}
};
var UTF8Decoder = typeof TextDecoder != "undefined" ? new TextDecoder : undefined;
var UTF8ArrayToString = (heapOrArray, idx = 0, maxBytesToRead = NaN) => {
idx >>>= 0;
var endIdx = idx + maxBytesToRead;
var endPtr = idx;
while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr;
if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr))
}
var str = "";
while (idx < endPtr) {
var u0 = heapOrArray[idx++];
if (!(u0 & 128)) {
str += String.fromCharCode(u0);
continue
}
var u1 = heapOrArray[idx++] & 63;
if ((u0 & 224) == 192) {
str += String.fromCharCode((u0 & 31) << 6 | u1);
continue
}
var u2 = heapOrArray[idx++] & 63;
if ((u0 & 240) == 224) {
u0 = (u0 & 15) << 12 | u1 << 6 | u2
} else {
u0 = (u0 & 7) << 18 | u1 << 12 | u2 << 6 | heapOrArray[idx++] & 63
}
if (u0 < 65536) {
str += String.fromCharCode(u0)
} else {
var ch = u0 - 65536;
str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023)
}
}
return str
};
var FS_stdin_getChar_buffer = [];
var lengthBytesUTF8 = str => {
var len = 0;
for (var i = 0; i < str.length; ++i) {
var c = str.charCodeAt(i);
if (c <= 127) {
len++
} else if (c <= 2047) {
len += 2
} else if (c >= 55296 && c <= 57343) {
len += 4;
++i
} else {
len += 3
}
}
return len
};
var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => {
outIdx >>>= 0;
if (!(maxBytesToWrite > 0)) return 0;
var startIdx = outIdx;
var endIdx = outIdx + maxBytesToWrite - 1;
for (var i = 0; i < str.length; ++i) {
var u = str.codePointAt(i);
if (u <= 127) {
if (outIdx >= endIdx) break;
heap[outIdx++ >>> 0] = u
} else if (u <= 2047) {
if (outIdx + 1 >= endIdx) break;
heap[outIdx++ >>> 0] = 192 | u >> 6;
heap[outIdx++ >>> 0] = 128 | u & 63
} else if (u <= 65535) {
if (outIdx + 2 >= endIdx) break;
heap[outIdx++ >>> 0] = 224 | u >> 12;
heap[outIdx++ >>> 0] = 128 | u >> 6 & 63;
heap[outIdx++ >>> 0] = 128 | u & 63
} else {
if (outIdx + 3 >= endIdx) break;
heap[outIdx++ >>> 0] = 240 | u >> 18;
heap[outIdx++ >>> 0] = 128 | u >> 12 & 63;
heap[outIdx++ >>> 0] = 128 | u >> 6 & 63;
heap[outIdx++ >>> 0] = 128 | u & 63;
i++
}
}
heap[outIdx >>> 0] = 0;
return outIdx - startIdx
};
var intArrayFromString = (stringy, dontAddNull, length) => {
var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
var u8array = new Array(len);
var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
if (dontAddNull) u8array.length = numBytesWritten;
return u8array
};
var FS_stdin_getChar = () => {
if (!FS_stdin_getChar_buffer.length) {
var result = null;
if (ENVIRONMENT_IS_NODE) {
var BUFSIZE = 256;
var buf = Buffer.alloc(BUFSIZE);
var bytesRead = 0;
var fd = process.stdin.fd;
try {
bytesRead = fs.readSync(fd, buf, 0, BUFSIZE)
} catch (e) {
if (e.toString().includes("EOF")) bytesRead = 0;
else throw e
}
if (bytesRead > 0) {
result = buf.slice(0, bytesRead).toString("utf-8")
}
} else if (typeof window != "undefined" && typeof window.prompt == "function") {
result = window.prompt("Input: ");
if (result !== null) {
result += "\n"
}
} else {}
if (!result) {
return null
}
FS_stdin_getChar_buffer = intArrayFromString(result, true)
}
return FS_stdin_getChar_buffer.shift()
};
var TTY = {
ttys: [],
init() {},
shutdown() {},
register(dev, ops) {
TTY.ttys[dev] = {
input: [],
output: [],
ops
};
FS.registerDevice(dev, TTY.stream_ops)
},
stream_ops: {
open(stream) {
var tty = TTY.ttys[stream.node.rdev];
if (!tty) {
throw new FS.ErrnoError(43)
}
stream.tty = tty;
stream.seekable = false
},
close(stream) {
stream.tty.ops.fsync(stream.tty)
},
fsync(stream) {
stream.tty.ops.fsync(stream.tty)
},
read(stream, buffer, offset, length, pos) {
if (!stream.tty || !stream.tty.ops.get_char) {
throw new FS.ErrnoError(60)
}
var bytesRead = 0;
for (var i = 0; i < length; i++) {
var result;
try {
result = stream.tty.ops.get_char(stream.tty)
} catch (e) {
throw new FS.ErrnoError(29)
}
if (result === undefined && bytesRead === 0) {
throw new FS.ErrnoError(6)
}
if (result === null || result === undefined) break;
bytesRead++;
buffer[offset + i] = result
}
if (bytesRead) {
stream.node.atime = Date.now()
}
return bytesRead
},
write(stream, buffer, offset, length, pos) {
if (!stream.tty || !stream.tty.ops.put_char) {
throw new FS.ErrnoError(60)
}
try {
for (var i = 0; i < length; i++) {
stream.tty.ops.put_char(stream.tty, buffer[offset + i])
}
} catch (e) {
throw new FS.ErrnoError(29)
}
if (length) {
stream.node.mtime = stream.node.ctime = Date.now()
}
return i
}
},
default_tty_ops: {
get_char(tty) {
return FS_stdin_getChar()
},
put_char(tty, val) {
if (val === null || val === 10) {
out(UTF8ArrayToString(tty.output));
tty.output = []
} else {
if (val != 0) tty.output.push(val)
}
},
fsync(tty) {
if (tty.output && tty.output.length > 0) {
out(UTF8ArrayToString(tty.output));
tty.output = []
}
},
ioctl_tcgets(tty) {
return {
c_iflag: 25856,
c_oflag: 5,
c_cflag: 191,
c_lflag: 35387,
c_cc: [3, 28, 127, 21, 4, 0, 1, 0, 17, 19, 26, 0, 18, 15, 23, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
}
},
ioctl_tcsets(tty, optional_actions, data) {
return 0
},
ioctl_tiocgwinsz(tty) {
return [24, 80]
}
},
default_tty1_ops: {
put_char(tty, val) {
if (val === null || val === 10) {
err(UTF8ArrayToString(tty.output));
tty.output = []
} else {
if (val != 0) tty.output.push(val)
}
},
fsync(tty) {
if (tty.output && tty.output.length > 0) {
err(UTF8ArrayToString(tty.output));
tty.output = []
}
}
}
};
var zeroMemory = (ptr, size) => HEAPU8.fill(0, ptr, ptr + size);
var alignMemory = (size, alignment) => Math.ceil(size / alignment) * alignment;
var mmapAlloc = size => {
size = alignMemory(size, 65536);
var ptr = _emscripten_builtin_memalign(65536, size);
if (ptr) zeroMemory(ptr, size);
return ptr
};
var MEMFS = {
ops_table: null,
mount(mount) {
return MEMFS.createNode(null, "/", 16895, 0)
},
createNode(parent, name, mode, dev) {
if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
throw new FS.ErrnoError(63)
}
MEMFS.ops_table = {
dir: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr,
lookup: MEMFS.node_ops.lookup,
mknod: MEMFS.node_ops.mknod,
rename: MEMFS.node_ops.rename,
unlink: MEMFS.node_ops.unlink,
rmdir: MEMFS.node_ops.rmdir,
readdir: MEMFS.node_ops.readdir,
symlink: MEMFS.node_ops.symlink
},
stream: {
llseek: MEMFS.stream_ops.llseek
}
},
file: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr
},
stream: {
llseek: MEMFS.stream_ops.llseek,
read: MEMFS.stream_ops.read,
write: MEMFS.stream_ops.write,
mmap: MEMFS.stream_ops.mmap,
msync: MEMFS.stream_ops.msync
}
},
link: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr,
readlink: MEMFS.node_ops.readlink
},
stream: {}
},
chrdev: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr
},
stream: FS.chrdev_stream_ops
}
};
var node = FS.createNode(parent, name, mode, dev);
if (FS.isDir(node.mode)) {
node.node_ops = MEMFS.ops_table.dir.node;
node.stream_ops = MEMFS.ops_table.dir.stream;
node.contents = {}
} else if (FS.isFile(node.mode)) {
node.node_ops = MEMFS.ops_table.file.node;
node.stream_ops = MEMFS.ops_table.file.stream;
node.usedBytes = 0;
node.contents = null
} else if (FS.isLink(node.mode)) {
node.node_ops = MEMFS.ops_table.link.node;
node.stream_ops = MEMFS.ops_table.link.stream
} else if (FS.isChrdev(node.mode)) {
node.node_ops = MEMFS.ops_table.chrdev.node;
node.stream_ops = MEMFS.ops_table.chrdev.stream
}
node.atime = node.mtime = node.ctime = Date.now();
if (parent) {
parent.contents[name] = node;
parent.atime = parent.mtime = parent.ctime = node.atime
}
return node
},
getFileDataAsTypedArray(node) {
if (!node.contents) return new Uint8Array(0);
if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes);
return new Uint8Array(node.contents)
},
expandFileStorage(node, newCapacity) {
var prevCapacity = node.contents ? node.contents.length : 0;
if (prevCapacity >= newCapacity) return;
var CAPACITY_DOUBLING_MAX = 1024 * 1024;
newCapacity = Math.max(newCapacity, prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125) >>> 0);
if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256);
var oldContents = node.contents;
node.contents = new Uint8Array(newCapacity);
if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0)
},
resizeFileStorage(node, newSize) {
if (node.usedBytes == newSize) return;
if (newSize == 0) {
node.contents = null;
node.usedBytes = 0
} else {
var oldContents = node.contents;
node.contents = new Uint8Array(newSize);
if (oldContents) {
node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)))
}
node.usedBytes = newSize
}
},
node_ops: {
getattr(node) {
var attr = {};
attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
attr.ino = node.id;
attr.mode = node.mode;
attr.nlink = 1;
attr.uid = 0;
attr.gid = 0;
attr.rdev = node.rdev;
if (FS.isDir(node.mode)) {
attr.size = 4096
} else if (FS.isFile(node.mode)) {
attr.size = node.usedBytes
} else if (FS.isLink(node.mode)) {
attr.size = node.link.length
} else {
attr.size = 0
}
attr.atime = new Date(node.atime);
attr.mtime = new Date(node.mtime);
attr.ctime = new Date(node.ctime);
attr.blksize = 4096;
attr.blocks = Math.ceil(attr.size / attr.blksize);
return attr
},
setattr(node, attr) {
for (const key of ["mode", "atime", "mtime", "ctime"]) {
if (attr[key] != null) {
node[key] = attr[key]
}
}
if (attr.size !== undefined) {
MEMFS.resizeFileStorage(node, attr.size)
}
},
lookup(parent, name) {
throw MEMFS.doesNotExistError
},
mknod(parent, name, mode, dev) {
return MEMFS.createNode(parent, name, mode, dev)
},
rename(old_node, new_dir, new_name) {
var new_node;
try {
new_node = FS.lookupNode(new_dir, new_name)
} catch (e) {}
if (new_node) {
if (FS.isDir(old_node.mode)) {
for (var i in new_node.contents) {
throw new FS.ErrnoError(55)
}
}
FS.hashRemoveNode(new_node)
}
delete old_node.parent.contents[old_node.name];
new_dir.contents[new_name] = old_node;
old_node.name = new_name;
new_dir.ctime = new_dir.mtime = old_node.parent.ctime = old_node.parent.mtime = Date.now()
},
unlink(parent, name) {
delete parent.contents[name];
parent.ctime = parent.mtime = Date.now()
},
rmdir(parent, name) {
var node = FS.lookupNode(parent, name);
for (var i in node.contents) {
throw new FS.ErrnoError(55)
}
delete parent.contents[name];
parent.ctime = parent.mtime = Date.now()
},
readdir(node) {
return [".", "..", ...Object.keys(node.contents)]
},
symlink(parent, newname, oldpath) {
var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
node.link = oldpath;
return node
},
readlink(node) {
if (!FS.isLink(node.mode)) {
throw new FS.ErrnoError(28)
}
return node.link
}
},
stream_ops: {
read(stream, buffer, offset, length, position) {
var contents = stream.node.contents;
if (position >= stream.node.usedBytes) return 0;
var size = Math.min(stream.node.usedBytes - position, length);
if (size > 8 && contents.subarray) {
buffer.set(contents.subarray(position, position + size), offset)
} else {
for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i]
}
return size
},
write(stream, buffer, offset, length, position, canOwn) {
if (buffer.buffer === HEAP8.buffer) {
canOwn = false
}
if (!length) return 0;
var node = stream.node;
node.mtime = node.ctime = Date.now();
if (buffer.subarray && (!node.contents || node.contents.subarray)) {
if (canOwn) {
node.contents = buffer.subarray(offset, offset + length);
node.usedBytes = length;
return length
} else if (node.usedBytes === 0 && position === 0) {
node.contents = buffer.slice(offset, offset + length);
node.usedBytes = length;
return length
} else if (position + length <= node.usedBytes) {
node.contents.set(buffer.subarray(offset, offset + length), position);
return length
}
}
MEMFS.expandFileStorage(node, position + length);
if (node.contents.subarray && buffer.subarray) {
node.contents.set(buffer.subarray(offset, offset + length), position)
} else {
for (var i = 0; i < length; i++) {
node.contents[position + i] = buffer[offset + i]
}
}
node.usedBytes = Math.max(node.usedBytes, position + length);
return length
},
llseek(stream, offset, whence) {
var position = offset;
if (whence === 1) {
position += stream.position
} else if (whence === 2) {
if (FS.isFile(stream.node.mode)) {
position += stream.node.usedBytes
}
}
if (position < 0) {
throw new FS.ErrnoError(28)
}
return position
},
mmap(stream, length, position, prot, flags) {
if (!FS.isFile(stream.node.mode)) {
throw new FS.ErrnoError(43)
}
var ptr;
var allocated;
var contents = stream.node.contents;
if (!(flags & 2) && contents && contents.buffer === HEAP8.buffer) {
allocated = false;
ptr = contents.byteOffset
} else {
allocated = true;
ptr = mmapAlloc(length);
if (!ptr) {
throw new FS.ErrnoError(48)
}
if (contents) {
if (position > 0 || position + length < contents.length) {
if (contents.subarray) {
contents = contents.subarray(position, position + length)
} else {
contents = Array.prototype.slice.call(contents, position, position + length)
}
}
HEAP8.set(contents, ptr >>> 0)
}
}
return {
ptr,
allocated
}
},
msync(stream, buffer, offset, length, mmapFlags) {
MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
return 0
}
}
};
var asyncLoad = async url => {
var arrayBuffer = await readAsync(url);
return new Uint8Array(arrayBuffer)
};
var FS_createDataFile = (...args) => FS.createDataFile(...args);
var getUniqueRunDependency = id => id;
var preloadPlugins = [];
var FS_handledByPreloadPlugin = (byteArray, fullname, finish, onerror) => {
if (typeof Browser != "undefined") Browser.init();
var handled = false;
preloadPlugins.forEach(plugin => {
if (handled) return;
if (plugin["canHandle"](fullname)) {
plugin["handle"](byteArray, fullname, finish, onerror);
handled = true
}
});
return handled
};
var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
var dep = getUniqueRunDependency(`cp ${fullname}`);
function processData(byteArray) {
function finish(byteArray) {
if(preFinish) preFinish();
if (!dontCreateFile) {
FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn)
}
if(onload) onload();
removeRunDependency(dep)
}
if (FS_handledByPreloadPlugin(byteArray, fullname, finish, () => {
if(onerror) onerror();
removeRunDependency(dep)
})) {
return
}
finish(byteArray)
}
addRunDependency(dep);
if (typeof url == "string") {
asyncLoad(url).then(processData, onerror)
} else {
processData(url)
}
};
var FS_modeStringToFlags = str => {
var flagModes = {
r: 0,
"r+": 2,
w: 512 | 64 | 1,
"w+": 512 | 64 | 2,
a: 1024 | 64 | 1,
"a+": 1024 | 64 | 2
};
var flags = flagModes[str];
if (typeof flags == "undefined") {
throw new Error(`Unknown file open mode: ${str}`)
}
return flags
};
var FS_getMode = (canRead, canWrite) => {
var mode = 0;
if (canRead) mode |= 292 | 73;
if (canWrite) mode |= 146;
return mode
};
var FS = {
root: null,
mounts: [],
devices: {},
streams: [],
nextInode: 1,
nameTable: null,
currentPath: "/",
initialized: false,
ignorePermissions: true,
filesystems: null,
syncFSRequests: 0,
readFiles: {},
ErrnoError: class {
name = "ErrnoError";
constructor(errno) {
this.errno = errno
}
},
FSStream: class {
shared = {};
get object() {
return this.node
}
set object(val) {
this.node = val
}
get isRead() {
return (this.flags & 2097155) !== 1
}
get isWrite() {
return (this.flags & 2097155) !== 0
}
get isAppend() {
return this.flags & 1024
}
get flags() {
return this.shared.flags
}
set flags(val) {
this.shared.flags = val
}
get position() {
return this.shared.position
}
set position(val) {
this.shared.position = val
}
},
FSNode: class {
node_ops = {};
stream_ops = {};
readMode = 292 | 73;
writeMode = 146;
mounted = null;
constructor(parent, name, mode, rdev) {
if (!parent) {
parent = this
}
this.parent = parent;
this.mount = parent.mount;
this.id = FS.nextInode++;
this.name = name;
this.mode = mode;
this.rdev = rdev;
this.atime = this.mtime = this.ctime = Date.now()
}
get read() {
return (this.mode & this.readMode) === this.readMode
}
set read(val) {
val ? this.mode |= this.readMode : this.mode &= ~this.readMode
}
get write() {
return (this.mode & this.writeMode) === this.writeMode
}
set write(val) {
val ? this.mode |= this.writeMode : this.mode &= ~this.writeMode
}
get isFolder() {
return FS.isDir(this.mode)
}
get isDevice() {
return FS.isChrdev(this.mode)
}
},
lookupPath(path, opts = {}) {
if (!path) {
throw new FS.ErrnoError(44)
}
opts.follow_mount = true;
if (!PATH.isAbs(path)) {
path = FS.cwd() + "/" + path
}
linkloop: for (var nlinks = 0; nlinks < 40; nlinks++) {
var parts = path.split("/").filter(p => !!p);
var current = FS.root;
var current_path = "/";
for (var i = 0; i < parts.length; i++) {
var islast = i === parts.length - 1;
if (islast && opts.parent) {
break
}
if (parts[i] === ".") {
continue
}
if (parts[i] === "..") {
current_path = PATH.dirname(current_path);
if (FS.isRoot(current)) {
path = current_path + "/" + parts.slice(i + 1).join("/");
continue linkloop
} else {
current = current.parent
}
continue
}
current_path = PATH.join2(current_path, parts[i]);
try {
current = FS.lookupNode(current, parts[i])
} catch (e) {
if (e && e.errno === 44 && islast && opts.noent_okay) {
return {
path: current_path
}
}
throw e
}
if (FS.isMountpoint(current) && (!islast || opts.follow_mount)) {
current = current.mounted.root
}
if (FS.isLink(current.mode) && (!islast || opts.follow)) {
if (!current.node_ops.readlink) {
throw new FS.ErrnoError(52)
}
var link = current.node_ops.readlink(current);
if (!PATH.isAbs(link)) {
link = PATH.dirname(current_path) + "/" + link
}
path = link + "/" + parts.slice(i + 1).join("/");
continue linkloop
}
}
return {
path: current_path,
node: current
}
}