@financial-times/spark-o-autocomplete
Version:
Spark React component for o-autocomplete
1,786 lines (1,784 loc) • 52.6 kB
JavaScript
// ../../../scripts/build/inject-react.js
import * as React from "react";
// ../../../node_modules/@esbuild-plugins/node-globals-polyfill/process.js
function defaultSetTimout() {
throw new Error("setTimeout has not been defined");
}
function defaultClearTimeout() {
throw new Error("clearTimeout has not been defined");
}
var cachedSetTimeout = defaultSetTimout;
var cachedClearTimeout = defaultClearTimeout;
if (typeof globalThis.setTimeout === "function") {
cachedSetTimeout = setTimeout;
}
if (typeof globalThis.clearTimeout === "function") {
cachedClearTimeout = clearTimeout;
}
function runTimeout(fun) {
if (cachedSetTimeout === setTimeout) {
return setTimeout(fun, 0);
}
if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
cachedSetTimeout = setTimeout;
return setTimeout(fun, 0);
}
try {
return cachedSetTimeout(fun, 0);
} catch (e) {
try {
return cachedSetTimeout.call(null, fun, 0);
} catch (e2) {
return cachedSetTimeout.call(this, fun, 0);
}
}
}
function runClearTimeout(marker) {
if (cachedClearTimeout === clearTimeout) {
return clearTimeout(marker);
}
if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
cachedClearTimeout = clearTimeout;
return clearTimeout(marker);
}
try {
return cachedClearTimeout(marker);
} catch (e) {
try {
return cachedClearTimeout.call(null, marker);
} catch (e2) {
return cachedClearTimeout.call(this, marker);
}
}
}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;
function cleanUpNextTick() {
if (!draining || !currentQueue) {
return;
}
draining = false;
if (currentQueue.length) {
queue = currentQueue.concat(queue);
} else {
queueIndex = -1;
}
if (queue.length) {
drainQueue();
}
}
function drainQueue() {
if (draining) {
return;
}
var timeout = runTimeout(cleanUpNextTick);
draining = true;
var len = queue.length;
while (len) {
currentQueue = queue;
queue = [];
while (++queueIndex < len) {
if (currentQueue) {
currentQueue[queueIndex].run();
}
}
queueIndex = -1;
len = queue.length;
}
currentQueue = null;
draining = false;
runClearTimeout(timeout);
}
function nextTick(fun) {
var args = new Array(arguments.length - 1);
if (arguments.length > 1) {
for (var i = 1; i < arguments.length; i++) {
args[i - 1] = arguments[i];
}
}
queue.push(new Item(fun, args));
if (queue.length === 1 && !draining) {
runTimeout(drainQueue);
}
}
function Item(fun, array) {
this.fun = fun;
this.array = array;
}
Item.prototype.run = function() {
this.fun.apply(null, this.array);
};
var title = "browser";
var platform = "browser";
var browser = true;
var env = {};
var argv = [];
var version = "";
var versions = {};
var release = {};
var config = {};
function noop() {
}
var on = noop;
var addListener = noop;
var once = noop;
var off = noop;
var removeListener = noop;
var removeAllListeners = noop;
var emit = noop;
function binding(name) {
throw new Error("process.binding is not supported");
}
function cwd() {
return "/";
}
function chdir(dir) {
throw new Error("process.chdir is not supported");
}
function umask() {
return 0;
}
var performance = globalThis.performance || {};
var performanceNow = performance.now || performance.mozNow || performance.msNow || performance.oNow || performance.webkitNow || function() {
return (/* @__PURE__ */ new Date()).getTime();
};
function hrtime(previousTimestamp) {
var clocktime = performanceNow.call(performance) * 1e-3;
var seconds = Math.floor(clocktime);
var nanoseconds = Math.floor(clocktime % 1 * 1e9);
if (previousTimestamp) {
seconds = seconds - previousTimestamp[0];
nanoseconds = nanoseconds - previousTimestamp[1];
if (nanoseconds < 0) {
seconds--;
nanoseconds += 1e9;
}
}
return [seconds, nanoseconds];
}
var startTime = /* @__PURE__ */ new Date();
function uptime() {
var currentTime = /* @__PURE__ */ new Date();
var dif = currentTime - startTime;
return dif / 1e3;
}
var process = {
nextTick,
title,
browser,
env,
argv,
version,
versions,
on,
addListener,
once,
off,
removeListener,
removeAllListeners,
emit,
binding,
cwd,
chdir,
umask,
hrtime,
platform,
release,
config,
uptime
};
var defines = {};
Object.keys(defines).forEach((key) => {
const segs = key.split(".");
let target = process;
for (let i = 0; i < segs.length; i++) {
const seg = segs[i];
if (i === segs.length - 1) {
target[seg] = defines[key];
} else {
target = target[seg] || (target[seg] = {});
}
}
});
// ../../../node_modules/@esbuild-plugins/node-globals-polyfill/Buffer.js
var lookup = [];
var revLookup = [];
var Arr = typeof Uint8Array !== "undefined" ? Uint8Array : Array;
var inited = false;
function init() {
inited = true;
var code = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
for (var i = 0, len = code.length; i < len; ++i) {
lookup[i] = code[i];
revLookup[code.charCodeAt(i)] = i;
}
revLookup["-".charCodeAt(0)] = 62;
revLookup["_".charCodeAt(0)] = 63;
}
function base64toByteArray(b64) {
if (!inited) {
init();
}
var i, j, l, tmp, placeHolders, arr;
var len = b64.length;
if (len % 4 > 0) {
throw new Error("Invalid string. Length must be a multiple of 4");
}
placeHolders = b64[len - 2] === "=" ? 2 : b64[len - 1] === "=" ? 1 : 0;
arr = new Arr(len * 3 / 4 - placeHolders);
l = placeHolders > 0 ? len - 4 : len;
var L = 0;
for (i = 0, j = 0; i < l; i += 4, j += 3) {
tmp = revLookup[b64.charCodeAt(i)] << 18 | revLookup[b64.charCodeAt(i + 1)] << 12 | revLookup[b64.charCodeAt(i + 2)] << 6 | revLookup[b64.charCodeAt(i + 3)];
arr[L++] = tmp >> 16 & 255;
arr[L++] = tmp >> 8 & 255;
arr[L++] = tmp & 255;
}
if (placeHolders === 2) {
tmp = revLookup[b64.charCodeAt(i)] << 2 | revLookup[b64.charCodeAt(i + 1)] >> 4;
arr[L++] = tmp & 255;
} else if (placeHolders === 1) {
tmp = revLookup[b64.charCodeAt(i)] << 10 | revLookup[b64.charCodeAt(i + 1)] << 4 | revLookup[b64.charCodeAt(i + 2)] >> 2;
arr[L++] = tmp >> 8 & 255;
arr[L++] = tmp & 255;
}
return arr;
}
function tripletToBase64(num) {
return lookup[num >> 18 & 63] + lookup[num >> 12 & 63] + lookup[num >> 6 & 63] + lookup[num & 63];
}
function encodeChunk(uint8, start, end) {
var tmp;
var output = [];
for (var i = start; i < end; i += 3) {
tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + uint8[i + 2];
output.push(tripletToBase64(tmp));
}
return output.join("");
}
function base64fromByteArray(uint8) {
if (!inited) {
init();
}
var tmp;
var len = uint8.length;
var extraBytes = len % 3;
var output = "";
var parts = [];
var maxChunkLength = 16383;
for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
parts.push(
encodeChunk(
uint8,
i,
i + maxChunkLength > len2 ? len2 : i + maxChunkLength
)
);
}
if (extraBytes === 1) {
tmp = uint8[len - 1];
output += lookup[tmp >> 2];
output += lookup[tmp << 4 & 63];
output += "==";
} else if (extraBytes === 2) {
tmp = (uint8[len - 2] << 8) + uint8[len - 1];
output += lookup[tmp >> 10];
output += lookup[tmp >> 4 & 63];
output += lookup[tmp << 2 & 63];
output += "=";
}
parts.push(output);
return parts.join("");
}
Buffer.TYPED_ARRAY_SUPPORT = globalThis.TYPED_ARRAY_SUPPORT !== void 0 ? globalThis.TYPED_ARRAY_SUPPORT : true;
function kMaxLength() {
return Buffer.TYPED_ARRAY_SUPPORT ? 2147483647 : 1073741823;
}
function createBuffer(that, length) {
if (kMaxLength() < length) {
throw new RangeError("Invalid typed array length");
}
if (Buffer.TYPED_ARRAY_SUPPORT) {
that = new Uint8Array(length);
that.__proto__ = Buffer.prototype;
} else {
if (that === null) {
that = new Buffer(length);
}
that.length = length;
}
return that;
}
function Buffer(arg, encodingOrOffset, length) {
if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {
return new Buffer(arg, encodingOrOffset, length);
}
if (typeof arg === "number") {
if (typeof encodingOrOffset === "string") {
throw new Error(
"If encoding is specified then the first argument must be a string"
);
}
return allocUnsafe(this, arg);
}
return from(this, arg, encodingOrOffset, length);
}
Buffer.poolSize = 8192;
Buffer._augment = function(arr) {
arr.__proto__ = Buffer.prototype;
return arr;
};
function from(that, value, encodingOrOffset, length) {
if (typeof value === "number") {
throw new TypeError('"value" argument must not be a number');
}
if (typeof ArrayBuffer !== "undefined" && value instanceof ArrayBuffer) {
return fromArrayBuffer(that, value, encodingOrOffset, length);
}
if (typeof value === "string") {
return fromString(that, value, encodingOrOffset);
}
return fromObject(that, value);
}
Buffer.from = function(value, encodingOrOffset, length) {
return from(null, value, encodingOrOffset, length);
};
Buffer.kMaxLength = kMaxLength();
if (Buffer.TYPED_ARRAY_SUPPORT) {
Buffer.prototype.__proto__ = Uint8Array.prototype;
Buffer.__proto__ = Uint8Array;
if (typeof Symbol !== "undefined" && Symbol.species && Buffer[Symbol.species] === Buffer) {
}
}
function assertSize(size) {
if (typeof size !== "number") {
throw new TypeError('"size" argument must be a number');
} else if (size < 0) {
throw new RangeError('"size" argument must not be negative');
}
}
function alloc(that, size, fill2, encoding) {
assertSize(size);
if (size <= 0) {
return createBuffer(that, size);
}
if (fill2 !== void 0) {
return typeof encoding === "string" ? createBuffer(that, size).fill(fill2, encoding) : createBuffer(that, size).fill(fill2);
}
return createBuffer(that, size);
}
Buffer.alloc = function(size, fill2, encoding) {
return alloc(null, size, fill2, encoding);
};
function allocUnsafe(that, size) {
assertSize(size);
that = createBuffer(that, size < 0 ? 0 : checked(size) | 0);
if (!Buffer.TYPED_ARRAY_SUPPORT) {
for (var i = 0; i < size; ++i) {
that[i] = 0;
}
}
return that;
}
Buffer.allocUnsafe = function(size) {
return allocUnsafe(null, size);
};
Buffer.allocUnsafeSlow = function(size) {
return allocUnsafe(null, size);
};
function fromString(that, string, encoding) {
if (typeof encoding !== "string" || encoding === "") {
encoding = "utf8";
}
if (!Buffer.isEncoding(encoding)) {
throw new TypeError('"encoding" must be a valid string encoding');
}
var length = byteLength(string, encoding) | 0;
that = createBuffer(that, length);
var actual = that.write(string, encoding);
if (actual !== length) {
that = that.slice(0, actual);
}
return that;
}
function fromArrayLike(that, array) {
var length = array.length < 0 ? 0 : checked(array.length) | 0;
that = createBuffer(that, length);
for (var i = 0; i < length; i += 1) {
that[i] = array[i] & 255;
}
return that;
}
function fromArrayBuffer(that, array, byteOffset, length) {
array.byteLength;
if (byteOffset < 0 || array.byteLength < byteOffset) {
throw new RangeError("'offset' is out of bounds");
}
if (array.byteLength < byteOffset + (length || 0)) {
throw new RangeError("'length' is out of bounds");
}
if (byteOffset === void 0 && length === void 0) {
array = new Uint8Array(array);
} else if (length === void 0) {
array = new Uint8Array(array, byteOffset);
} else {
array = new Uint8Array(array, byteOffset, length);
}
if (Buffer.TYPED_ARRAY_SUPPORT) {
that = array;
that.__proto__ = Buffer.prototype;
} else {
that = fromArrayLike(that, array);
}
return that;
}
function fromObject(that, obj) {
if (internalIsBuffer(obj)) {
var len = checked(obj.length) | 0;
that = createBuffer(that, len);
if (that.length === 0) {
return that;
}
obj.copy(that, 0, 0, len);
return that;
}
if (obj) {
if (typeof ArrayBuffer !== "undefined" && obj.buffer instanceof ArrayBuffer || "length" in obj) {
if (typeof obj.length !== "number" || isnan(obj.length)) {
return createBuffer(that, 0);
}
return fromArrayLike(that, obj);
}
if (obj.type === "Buffer" && Array.isArray(obj.data)) {
return fromArrayLike(that, obj.data);
}
}
throw new TypeError(
"First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object."
);
}
function checked(length) {
if (length >= kMaxLength()) {
throw new RangeError(
"Attempt to allocate Buffer larger than maximum size: 0x" + kMaxLength().toString(16) + " bytes"
);
}
return length | 0;
}
Buffer.isBuffer = isBuffer;
function internalIsBuffer(b) {
return !!(b != null && b._isBuffer);
}
Buffer.compare = function compare(a, b) {
if (!internalIsBuffer(a) || !internalIsBuffer(b)) {
throw new TypeError("Arguments must be Buffers");
}
if (a === b)
return 0;
var x = a.length;
var y = b.length;
for (var i = 0, len = Math.min(x, y); i < len; ++i) {
if (a[i] !== b[i]) {
x = a[i];
y = b[i];
break;
}
}
if (x < y)
return -1;
if (y < x)
return 1;
return 0;
};
Buffer.isEncoding = function isEncoding(encoding) {
switch (String(encoding).toLowerCase()) {
case "hex":
case "utf8":
case "utf-8":
case "ascii":
case "latin1":
case "binary":
case "base64":
case "ucs2":
case "ucs-2":
case "utf16le":
case "utf-16le":
return true;
default:
return false;
}
};
Buffer.concat = function concat(list, length) {
if (!Array.isArray(list)) {
throw new TypeError('"list" argument must be an Array of Buffers');
}
if (list.length === 0) {
return Buffer.alloc(0);
}
var i;
if (length === void 0) {
length = 0;
for (i = 0; i < list.length; ++i) {
length += list[i].length;
}
}
var buffer = Buffer.allocUnsafe(length);
var pos = 0;
for (i = 0; i < list.length; ++i) {
var buf = list[i];
if (!internalIsBuffer(buf)) {
throw new TypeError('"list" argument must be an Array of Buffers');
}
buf.copy(buffer, pos);
pos += buf.length;
}
return buffer;
};
function byteLength(string, encoding) {
if (internalIsBuffer(string)) {
return string.length;
}
if (typeof ArrayBuffer !== "undefined" && typeof ArrayBuffer.isView === "function" && (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
return string.byteLength;
}
if (typeof string !== "string") {
string = "" + string;
}
var len = string.length;
if (len === 0)
return 0;
var loweredCase = false;
for (; ; ) {
switch (encoding) {
case "ascii":
case "latin1":
case "binary":
return len;
case "utf8":
case "utf-8":
case void 0:
return utf8ToBytes(string).length;
case "ucs2":
case "ucs-2":
case "utf16le":
case "utf-16le":
return len * 2;
case "hex":
return len >>> 1;
case "base64":
return base64ToBytes(string).length;
default:
if (loweredCase)
return utf8ToBytes(string).length;
encoding = ("" + encoding).toLowerCase();
loweredCase = true;
}
}
}
Buffer.byteLength = byteLength;
function slowToString(encoding, start, end) {
var loweredCase = false;
if (start === void 0 || start < 0) {
start = 0;
}
if (start > this.length) {
return "";
}
if (end === void 0 || end > this.length) {
end = this.length;
}
if (end <= 0) {
return "";
}
end >>>= 0;
start >>>= 0;
if (end <= start) {
return "";
}
if (!encoding)
encoding = "utf8";
while (true) {
switch (encoding) {
case "hex":
return hexSlice(this, start, end);
case "utf8":
case "utf-8":
return utf8Slice(this, start, end);
case "ascii":
return asciiSlice(this, start, end);
case "latin1":
case "binary":
return latin1Slice(this, start, end);
case "base64":
return base64Slice(this, start, end);
case "ucs2":
case "ucs-2":
case "utf16le":
case "utf-16le":
return utf16leSlice(this, start, end);
default:
if (loweredCase)
throw new TypeError("Unknown encoding: " + encoding);
encoding = (encoding + "").toLowerCase();
loweredCase = true;
}
}
}
Buffer.prototype._isBuffer = true;
function swap(b, n, m) {
var i = b[n];
b[n] = b[m];
b[m] = i;
}
Buffer.prototype.swap16 = function swap16() {
var len = this.length;
if (len % 2 !== 0) {
throw new RangeError("Buffer size must be a multiple of 16-bits");
}
for (var i = 0; i < len; i += 2) {
swap(this, i, i + 1);
}
return this;
};
Buffer.prototype.swap32 = function swap32() {
var len = this.length;
if (len % 4 !== 0) {
throw new RangeError("Buffer size must be a multiple of 32-bits");
}
for (var i = 0; i < len; i += 4) {
swap(this, i, i + 3);
swap(this, i + 1, i + 2);
}
return this;
};
Buffer.prototype.swap64 = function swap64() {
var len = this.length;
if (len % 8 !== 0) {
throw new RangeError("Buffer size must be a multiple of 64-bits");
}
for (var i = 0; i < len; i += 8) {
swap(this, i, i + 7);
swap(this, i + 1, i + 6);
swap(this, i + 2, i + 5);
swap(this, i + 3, i + 4);
}
return this;
};
Buffer.prototype.toString = function toString() {
var length = this.length | 0;
if (length === 0)
return "";
if (arguments.length === 0)
return utf8Slice(this, 0, length);
return slowToString.apply(this, arguments);
};
Buffer.prototype.equals = function equals(b) {
if (!internalIsBuffer(b))
throw new TypeError("Argument must be a Buffer");
if (this === b)
return true;
return Buffer.compare(this, b) === 0;
};
Buffer.prototype.compare = function compare2(target, start, end, thisStart, thisEnd) {
if (!internalIsBuffer(target)) {
throw new TypeError("Argument must be a Buffer");
}
if (start === void 0) {
start = 0;
}
if (end === void 0) {
end = target ? target.length : 0;
}
if (thisStart === void 0) {
thisStart = 0;
}
if (thisEnd === void 0) {
thisEnd = this.length;
}
if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
throw new RangeError("out of range index");
}
if (thisStart >= thisEnd && start >= end) {
return 0;
}
if (thisStart >= thisEnd) {
return -1;
}
if (start >= end) {
return 1;
}
start >>>= 0;
end >>>= 0;
thisStart >>>= 0;
thisEnd >>>= 0;
if (this === target)
return 0;
var x = thisEnd - thisStart;
var y = end - start;
var len = Math.min(x, y);
var thisCopy = this.slice(thisStart, thisEnd);
var targetCopy = target.slice(start, end);
for (var i = 0; i < len; ++i) {
if (thisCopy[i] !== targetCopy[i]) {
x = thisCopy[i];
y = targetCopy[i];
break;
}
}
if (x < y)
return -1;
if (y < x)
return 1;
return 0;
};
function bidirectionalIndexOf(buffer, val, byteOffset, encoding, dir) {
if (buffer.length === 0)
return -1;
if (typeof byteOffset === "string") {
encoding = byteOffset;
byteOffset = 0;
} else if (byteOffset > 2147483647) {
byteOffset = 2147483647;
} else if (byteOffset < -2147483648) {
byteOffset = -2147483648;
}
byteOffset = +byteOffset;
if (isNaN(byteOffset)) {
byteOffset = dir ? 0 : buffer.length - 1;
}
if (byteOffset < 0)
byteOffset = buffer.length + byteOffset;
if (byteOffset >= buffer.length) {
if (dir)
return -1;
else
byteOffset = buffer.length - 1;
} else if (byteOffset < 0) {
if (dir)
byteOffset = 0;
else
return -1;
}
if (typeof val === "string") {
val = Buffer.from(val, encoding);
}
if (internalIsBuffer(val)) {
if (val.length === 0) {
return -1;
}
return arrayIndexOf(buffer, val, byteOffset, encoding, dir);
} else if (typeof val === "number") {
val = val & 255;
if (Buffer.TYPED_ARRAY_SUPPORT && typeof Uint8Array.prototype.indexOf === "function") {
if (dir) {
return Uint8Array.prototype.indexOf.call(
buffer,
val,
byteOffset
);
} else {
return Uint8Array.prototype.lastIndexOf.call(
buffer,
val,
byteOffset
);
}
}
return arrayIndexOf(buffer, [val], byteOffset, encoding, dir);
}
throw new TypeError("val must be string, number or Buffer");
}
function arrayIndexOf(arr, val, byteOffset, encoding, dir) {
var indexSize = 1;
var arrLength = arr.length;
var valLength = val.length;
if (encoding !== void 0) {
encoding = String(encoding).toLowerCase();
if (encoding === "ucs2" || encoding === "ucs-2" || encoding === "utf16le" || encoding === "utf-16le") {
if (arr.length < 2 || val.length < 2) {
return -1;
}
indexSize = 2;
arrLength /= 2;
valLength /= 2;
byteOffset /= 2;
}
}
function read(buf, i2) {
if (indexSize === 1) {
return buf[i2];
} else {
return buf.readUInt16BE(i2 * indexSize);
}
}
var i;
if (dir) {
var foundIndex = -1;
for (i = byteOffset; i < arrLength; i++) {
if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
if (foundIndex === -1)
foundIndex = i;
if (i - foundIndex + 1 === valLength)
return foundIndex * indexSize;
} else {
if (foundIndex !== -1)
i -= i - foundIndex;
foundIndex = -1;
}
}
} else {
if (byteOffset + valLength > arrLength)
byteOffset = arrLength - valLength;
for (i = byteOffset; i >= 0; i--) {
var found = true;
for (var j = 0; j < valLength; j++) {
if (read(arr, i + j) !== read(val, j)) {
found = false;
break;
}
}
if (found)
return i;
}
}
return -1;
}
Buffer.prototype.includes = function includes(val, byteOffset, encoding) {
return this.indexOf(val, byteOffset, encoding) !== -1;
};
Buffer.prototype.indexOf = function indexOf(val, byteOffset, encoding) {
return bidirectionalIndexOf(this, val, byteOffset, encoding, true);
};
Buffer.prototype.lastIndexOf = function lastIndexOf(val, byteOffset, encoding) {
return bidirectionalIndexOf(this, val, byteOffset, encoding, false);
};
function hexWrite(buf, string, offset, length) {
offset = Number(offset) || 0;
var remaining = buf.length - offset;
if (!length) {
length = remaining;
} else {
length = Number(length);
if (length > remaining) {
length = remaining;
}
}
var strLen = string.length;
if (strLen % 2 !== 0)
throw new TypeError("Invalid hex string");
if (length > strLen / 2) {
length = strLen / 2;
}
for (var i = 0; i < length; ++i) {
var parsed = parseInt(string.substr(i * 2, 2), 16);
if (isNaN(parsed))
return i;
buf[offset + i] = parsed;
}
return i;
}
function utf8Write(buf, string, offset, length) {
return blitBuffer(
utf8ToBytes(string, buf.length - offset),
buf,
offset,
length
);
}
function asciiWrite(buf, string, offset, length) {
return blitBuffer(asciiToBytes(string), buf, offset, length);
}
function latin1Write(buf, string, offset, length) {
return asciiWrite(buf, string, offset, length);
}
function base64Write(buf, string, offset, length) {
return blitBuffer(base64ToBytes(string), buf, offset, length);
}
function ucs2Write(buf, string, offset, length) {
return blitBuffer(
utf16leToBytes(string, buf.length - offset),
buf,
offset,
length
);
}
Buffer.prototype.write = function write(string, offset, length, encoding) {
if (offset === void 0) {
encoding = "utf8";
length = this.length;
offset = 0;
} else if (length === void 0 && typeof offset === "string") {
encoding = offset;
length = this.length;
offset = 0;
} else if (isFinite(offset)) {
offset = offset | 0;
if (isFinite(length)) {
length = length | 0;
if (encoding === void 0)
encoding = "utf8";
} else {
encoding = length;
length = void 0;
}
} else {
throw new Error(
"Buffer.write(string, encoding, offset[, length]) is no longer supported"
);
}
var remaining = this.length - offset;
if (length === void 0 || length > remaining)
length = remaining;
if (string.length > 0 && (length < 0 || offset < 0) || offset > this.length) {
throw new RangeError("Attempt to write outside buffer bounds");
}
if (!encoding)
encoding = "utf8";
var loweredCase = false;
for (; ; ) {
switch (encoding) {
case "hex":
return hexWrite(this, string, offset, length);
case "utf8":
case "utf-8":
return utf8Write(this, string, offset, length);
case "ascii":
return asciiWrite(this, string, offset, length);
case "latin1":
case "binary":
return latin1Write(this, string, offset, length);
case "base64":
return base64Write(this, string, offset, length);
case "ucs2":
case "ucs-2":
case "utf16le":
case "utf-16le":
return ucs2Write(this, string, offset, length);
default:
if (loweredCase)
throw new TypeError("Unknown encoding: " + encoding);
encoding = ("" + encoding).toLowerCase();
loweredCase = true;
}
}
};
Buffer.prototype.toJSON = function toJSON() {
return {
type: "Buffer",
data: Array.prototype.slice.call(this._arr || this, 0)
};
};
function base64Slice(buf, start, end) {
if (start === 0 && end === buf.length) {
return base64fromByteArray(buf);
} else {
return base64fromByteArray(buf.slice(start, end));
}
}
function utf8Slice(buf, start, end) {
end = Math.min(buf.length, end);
var res = [];
var i = start;
while (i < end) {
var firstByte = buf[i];
var codePoint = null;
var bytesPerSequence = firstByte > 239 ? 4 : firstByte > 223 ? 3 : firstByte > 191 ? 2 : 1;
if (i + bytesPerSequence <= end) {
var secondByte, thirdByte, fourthByte, tempCodePoint;
switch (bytesPerSequence) {
case 1:
if (firstByte < 128) {
codePoint = firstByte;
}
break;
case 2:
secondByte = buf[i + 1];
if ((secondByte & 192) === 128) {
tempCodePoint = (firstByte & 31) << 6 | secondByte & 63;
if (tempCodePoint > 127) {
codePoint = tempCodePoint;
}
}
break;
case 3:
secondByte = buf[i + 1];
thirdByte = buf[i + 2];
if ((secondByte & 192) === 128 && (thirdByte & 192) === 128) {
tempCodePoint = (firstByte & 15) << 12 | (secondByte & 63) << 6 | thirdByte & 63;
if (tempCodePoint > 2047 && (tempCodePoint < 55296 || tempCodePoint > 57343)) {
codePoint = tempCodePoint;
}
}
break;
case 4:
secondByte = buf[i + 1];
thirdByte = buf[i + 2];
fourthByte = buf[i + 3];
if ((secondByte & 192) === 128 && (thirdByte & 192) === 128 && (fourthByte & 192) === 128) {
tempCodePoint = (firstByte & 15) << 18 | (secondByte & 63) << 12 | (thirdByte & 63) << 6 | fourthByte & 63;
if (tempCodePoint > 65535 && tempCodePoint < 1114112) {
codePoint = tempCodePoint;
}
}
}
}
if (codePoint === null) {
codePoint = 65533;
bytesPerSequence = 1;
} else if (codePoint > 65535) {
codePoint -= 65536;
res.push(codePoint >>> 10 & 1023 | 55296);
codePoint = 56320 | codePoint & 1023;
}
res.push(codePoint);
i += bytesPerSequence;
}
return decodeCodePointsArray(res);
}
var MAX_ARGUMENTS_LENGTH = 4096;
function decodeCodePointsArray(codePoints) {
var len = codePoints.length;
if (len <= MAX_ARGUMENTS_LENGTH) {
return String.fromCharCode.apply(String, codePoints);
}
var res = "";
var i = 0;
while (i < len) {
res += String.fromCharCode.apply(
String,
codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
);
}
return res;
}
function asciiSlice(buf, start, end) {
var ret = "";
end = Math.min(buf.length, end);
for (var i = start; i < end; ++i) {
ret += String.fromCharCode(buf[i] & 127);
}
return ret;
}
function latin1Slice(buf, start, end) {
var ret = "";
end = Math.min(buf.length, end);
for (var i = start; i < end; ++i) {
ret += String.fromCharCode(buf[i]);
}
return ret;
}
function hexSlice(buf, start, end) {
var len = buf.length;
if (!start || start < 0)
start = 0;
if (!end || end < 0 || end > len)
end = len;
var out = "";
for (var i = start; i < end; ++i) {
out += toHex(buf[i]);
}
return out;
}
function utf16leSlice(buf, start, end) {
var bytes = buf.slice(start, end);
var res = "";
for (var i = 0; i < bytes.length; i += 2) {
res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256);
}
return res;
}
Buffer.prototype.slice = function slice(start, end) {
var len = this.length;
start = ~~start;
end = end === void 0 ? len : ~~end;
if (start < 0) {
start += len;
if (start < 0)
start = 0;
} else if (start > len) {
start = len;
}
if (end < 0) {
end += len;
if (end < 0)
end = 0;
} else if (end > len) {
end = len;
}
if (end < start)
end = start;
var newBuf;
if (Buffer.TYPED_ARRAY_SUPPORT) {
newBuf = this.subarray(start, end);
newBuf.__proto__ = Buffer.prototype;
} else {
var sliceLen = end - start;
newBuf = new Buffer(sliceLen, void 0);
for (var i = 0; i < sliceLen; ++i) {
newBuf[i] = this[i + start];
}
}
return newBuf;
};
function checkOffset(offset, ext, length) {
if (offset % 1 !== 0 || offset < 0)
throw new RangeError("offset is not uint");
if (offset + ext > length)
throw new RangeError("Trying to access beyond buffer length");
}
Buffer.prototype.readUIntLE = function readUIntLE(offset, byteLength2, noAssert) {
offset = offset | 0;
byteLength2 = byteLength2 | 0;
if (!noAssert)
checkOffset(offset, byteLength2, this.length);
var val = this[offset];
var mul = 1;
var i = 0;
while (++i < byteLength2 && (mul *= 256)) {
val += this[offset + i] * mul;
}
return val;
};
Buffer.prototype.readUIntBE = function readUIntBE(offset, byteLength2, noAssert) {
offset = offset | 0;
byteLength2 = byteLength2 | 0;
if (!noAssert) {
checkOffset(offset, byteLength2, this.length);
}
var val = this[offset + --byteLength2];
var mul = 1;
while (byteLength2 > 0 && (mul *= 256)) {
val += this[offset + --byteLength2] * mul;
}
return val;
};
Buffer.prototype.readUInt8 = function readUInt8(offset, noAssert) {
if (!noAssert)
checkOffset(offset, 1, this.length);
return this[offset];
};
Buffer.prototype.readUInt16LE = function readUInt16LE(offset, noAssert) {
if (!noAssert)
checkOffset(offset, 2, this.length);
return this[offset] | this[offset + 1] << 8;
};
Buffer.prototype.readUInt16BE = function readUInt16BE(offset, noAssert) {
if (!noAssert)
checkOffset(offset, 2, this.length);
return this[offset] << 8 | this[offset + 1];
};
Buffer.prototype.readUInt32LE = function readUInt32LE(offset, noAssert) {
if (!noAssert)
checkOffset(offset, 4, this.length);
return (this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16) + this[offset + 3] * 16777216;
};
Buffer.prototype.readUInt32BE = function readUInt32BE(offset, noAssert) {
if (!noAssert)
checkOffset(offset, 4, this.length);
return this[offset] * 16777216 + (this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3]);
};
Buffer.prototype.readIntLE = function readIntLE(offset, byteLength2, noAssert) {
offset = offset | 0;
byteLength2 = byteLength2 | 0;
if (!noAssert)
checkOffset(offset, byteLength2, this.length);
var val = this[offset];
var mul = 1;
var i = 0;
while (++i < byteLength2 && (mul *= 256)) {
val += this[offset + i] * mul;
}
mul *= 128;
if (val >= mul)
val -= Math.pow(2, 8 * byteLength2);
return val;
};
Buffer.prototype.readIntBE = function readIntBE(offset, byteLength2, noAssert) {
offset = offset | 0;
byteLength2 = byteLength2 | 0;
if (!noAssert)
checkOffset(offset, byteLength2, this.length);
var i = byteLength2;
var mul = 1;
var val = this[offset + --i];
while (i > 0 && (mul *= 256)) {
val += this[offset + --i] * mul;
}
mul *= 128;
if (val >= mul)
val -= Math.pow(2, 8 * byteLength2);
return val;
};
Buffer.prototype.readInt8 = function readInt8(offset, noAssert) {
if (!noAssert)
checkOffset(offset, 1, this.length);
if (!(this[offset] & 128))
return this[offset];
return (255 - this[offset] + 1) * -1;
};
Buffer.prototype.readInt16LE = function readInt16LE(offset, noAssert) {
if (!noAssert)
checkOffset(offset, 2, this.length);
var val = this[offset] | this[offset + 1] << 8;
return val & 32768 ? val | 4294901760 : val;
};
Buffer.prototype.readInt16BE = function readInt16BE(offset, noAssert) {
if (!noAssert)
checkOffset(offset, 2, this.length);
var val = this[offset + 1] | this[offset] << 8;
return val & 32768 ? val | 4294901760 : val;
};
Buffer.prototype.readInt32LE = function readInt32LE(offset, noAssert) {
if (!noAssert)
checkOffset(offset, 4, this.length);
return this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16 | this[offset + 3] << 24;
};
Buffer.prototype.readInt32BE = function readInt32BE(offset, noAssert) {
if (!noAssert)
checkOffset(offset, 4, this.length);
return this[offset] << 24 | this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3];
};
Buffer.prototype.readFloatLE = function readFloatLE(offset, noAssert) {
if (!noAssert)
checkOffset(offset, 4, this.length);
return ieee754read(this, offset, true, 23, 4);
};
Buffer.prototype.readFloatBE = function readFloatBE(offset, noAssert) {
if (!noAssert)
checkOffset(offset, 4, this.length);
return ieee754read(this, offset, false, 23, 4);
};
Buffer.prototype.readDoubleLE = function readDoubleLE(offset, noAssert) {
if (!noAssert)
checkOffset(offset, 8, this.length);
return ieee754read(this, offset, true, 52, 8);
};
Buffer.prototype.readDoubleBE = function readDoubleBE(offset, noAssert) {
if (!noAssert)
checkOffset(offset, 8, this.length);
return ieee754read(this, offset, false, 52, 8);
};
function checkInt(buf, value, offset, ext, max, min) {
if (!internalIsBuffer(buf))
throw new TypeError('"buffer" argument must be a Buffer instance');
if (value > max || value < min)
throw new RangeError('"value" argument is out of bounds');
if (offset + ext > buf.length)
throw new RangeError("Index out of range");
}
Buffer.prototype.writeUIntLE = function writeUIntLE(value, offset, byteLength2, noAssert) {
value = +value;
offset = offset | 0;
byteLength2 = byteLength2 | 0;
if (!noAssert) {
var maxBytes = Math.pow(2, 8 * byteLength2) - 1;
checkInt(this, value, offset, byteLength2, maxBytes, 0);
}
var mul = 1;
var i = 0;
this[offset] = value & 255;
while (++i < byteLength2 && (mul *= 256)) {
this[offset + i] = value / mul & 255;
}
return offset + byteLength2;
};
Buffer.prototype.writeUIntBE = function writeUIntBE(value, offset, byteLength2, noAssert) {
value = +value;
offset = offset | 0;
byteLength2 = byteLength2 | 0;
if (!noAssert) {
var maxBytes = Math.pow(2, 8 * byteLength2) - 1;
checkInt(this, value, offset, byteLength2, maxBytes, 0);
}
var i = byteLength2 - 1;
var mul = 1;
this[offset + i] = value & 255;
while (--i >= 0 && (mul *= 256)) {
this[offset + i] = value / mul & 255;
}
return offset + byteLength2;
};
Buffer.prototype.writeUInt8 = function writeUInt8(value, offset, noAssert) {
value = +value;
offset = offset | 0;
if (!noAssert)
checkInt(this, value, offset, 1, 255, 0);
if (!Buffer.TYPED_ARRAY_SUPPORT)
value = Math.floor(value);
this[offset] = value & 255;
return offset + 1;
};
function objectWriteUInt16(buf, value, offset, littleEndian) {
if (value < 0)
value = 65535 + value + 1;
for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
buf[offset + i] = (value & 255 << 8 * (littleEndian ? i : 1 - i)) >>> (littleEndian ? i : 1 - i) * 8;
}
}
Buffer.prototype.writeUInt16LE = function writeUInt16LE(value, offset, noAssert) {
value = +value;
offset = offset | 0;
if (!noAssert)
checkInt(this, value, offset, 2, 65535, 0);
if (Buffer.TYPED_ARRAY_SUPPORT) {
this[offset] = value & 255;
this[offset + 1] = value >>> 8;
} else {
objectWriteUInt16(this, value, offset, true);
}
return offset + 2;
};
Buffer.prototype.writeUInt16BE = function writeUInt16BE(value, offset, noAssert) {
value = +value;
offset = offset | 0;
if (!noAssert)
checkInt(this, value, offset, 2, 65535, 0);
if (Buffer.TYPED_ARRAY_SUPPORT) {
this[offset] = value >>> 8;
this[offset + 1] = value & 255;
} else {
objectWriteUInt16(this, value, offset, false);
}
return offset + 2;
};
function objectWriteUInt32(buf, value, offset, littleEndian) {
if (value < 0)
value = 4294967295 + value + 1;
for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
buf[offset + i] = value >>> (littleEndian ? i : 3 - i) * 8 & 255;
}
}
Buffer.prototype.writeUInt32LE = function writeUInt32LE(value, offset, noAssert) {
value = +value;
offset = offset | 0;
if (!noAssert)
checkInt(this, value, offset, 4, 4294967295, 0);
if (Buffer.TYPED_ARRAY_SUPPORT) {
this[offset + 3] = value >>> 24;
this[offset + 2] = value >>> 16;
this[offset + 1] = value >>> 8;
this[offset] = value & 255;
} else {
objectWriteUInt32(this, value, offset, true);
}
return offset + 4;
};
Buffer.prototype.writeUInt32BE = function writeUInt32BE(value, offset, noAssert) {
value = +value;
offset = offset | 0;
if (!noAssert)
checkInt(this, value, offset, 4, 4294967295, 0);
if (Buffer.TYPED_ARRAY_SUPPORT) {
this[offset] = value >>> 24;
this[offset + 1] = value >>> 16;
this[offset + 2] = value >>> 8;
this[offset + 3] = value & 255;
} else {
objectWriteUInt32(this, value, offset, false);
}
return offset + 4;
};
Buffer.prototype.writeIntLE = function writeIntLE(value, offset, byteLength2, noAssert) {
value = +value;
offset = offset | 0;
if (!noAssert) {
var limit = Math.pow(2, 8 * byteLength2 - 1);
checkInt(this, value, offset, byteLength2, limit - 1, -limit);
}
var i = 0;
var mul = 1;
var sub = 0;
this[offset] = value & 255;
while (++i < byteLength2 && (mul *= 256)) {
if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
sub = 1;
}
this[offset + i] = (value / mul >> 0) - sub & 255;
}
return offset + byteLength2;
};
Buffer.prototype.writeIntBE = function writeIntBE(value, offset, byteLength2, noAssert) {
value = +value;
offset = offset | 0;
if (!noAssert) {
var limit = Math.pow(2, 8 * byteLength2 - 1);
checkInt(this, value, offset, byteLength2, limit - 1, -limit);
}
var i = byteLength2 - 1;
var mul = 1;
var sub = 0;
this[offset + i] = value & 255;
while (--i >= 0 && (mul *= 256)) {
if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
sub = 1;
}
this[offset + i] = (value / mul >> 0) - sub & 255;
}
return offset + byteLength2;
};
Buffer.prototype.writeInt8 = function writeInt8(value, offset, noAssert) {
value = +value;
offset = offset | 0;
if (!noAssert)
checkInt(this, value, offset, 1, 127, -128);
if (!Buffer.TYPED_ARRAY_SUPPORT)
value = Math.floor(value);
if (value < 0)
value = 255 + value + 1;
this[offset] = value & 255;
return offset + 1;
};
Buffer.prototype.writeInt16LE = function writeInt16LE(value, offset, noAssert) {
value = +value;
offset = offset | 0;
if (!noAssert)
checkInt(this, value, offset, 2, 32767, -32768);
if (Buffer.TYPED_ARRAY_SUPPORT) {
this[offset] = value & 255;
this[offset + 1] = value >>> 8;
} else {
objectWriteUInt16(this, value, offset, true);
}
return offset + 2;
};
Buffer.prototype.writeInt16BE = function writeInt16BE(value, offset, noAssert) {
value = +value;
offset = offset | 0;
if (!noAssert)
checkInt(this, value, offset, 2, 32767, -32768);
if (Buffer.TYPED_ARRAY_SUPPORT) {
this[offset] = value >>> 8;
this[offset + 1] = value & 255;
} else {
objectWriteUInt16(this, value, offset, false);
}
return offset + 2;
};
Buffer.prototype.writeInt32LE = function writeInt32LE(value, offset, noAssert) {
value = +value;
offset = offset | 0;
if (!noAssert)
checkInt(this, value, offset, 4, 2147483647, -2147483648);
if (Buffer.TYPED_ARRAY_SUPPORT) {
this[offset] = value & 255;
this[offset + 1] = value >>> 8;
this[offset + 2] = value >>> 16;
this[offset + 3] = value >>> 24;
} else {
objectWriteUInt32(this, value, offset, true);
}
return offset + 4;
};
Buffer.prototype.writeInt32BE = function writeInt32BE(value, offset, noAssert) {
value = +value;
offset = offset | 0;
if (!noAssert)
checkInt(this, value, offset, 4, 2147483647, -2147483648);
if (value < 0)
value = 4294967295 + value + 1;
if (Buffer.TYPED_ARRAY_SUPPORT) {
this[offset] = value >>> 24;
this[offset + 1] = value >>> 16;
this[offset + 2] = value >>> 8;
this[offset + 3] = value & 255;
} else {
objectWriteUInt32(this, value, offset, false);
}
return offset + 4;
};
function checkIEEE754(buf, value, offset, ext, max, min) {
if (offset + ext > buf.length)
throw new RangeError("Index out of range");
if (offset < 0)
throw new RangeError("Index out of range");
}
function writeFloat(buf, value, offset, littleEndian, noAssert) {
if (!noAssert) {
checkIEEE754(
buf,
value,
offset,
4,
34028234663852886e22,
-34028234663852886e22
);
}
ieee754write(buf, value, offset, littleEndian, 23, 4);
return offset + 4;
}
Buffer.prototype.writeFloatLE = function writeFloatLE(value, offset, noAssert) {
return writeFloat(this, value, offset, true, noAssert);
};
Buffer.prototype.writeFloatBE = function writeFloatBE(value, offset, noAssert) {
return writeFloat(this, value, offset, false, noAssert);
};
function writeDouble(buf, value, offset, littleEndian, noAssert) {
if (!noAssert) {
checkIEEE754(
buf,
value,
offset,
8,
17976931348623157e292,
-17976931348623157e292
);
}
ieee754write(buf, value, offset, littleEndian, 52, 8);
return offset + 8;
}
Buffer.prototype.writeDoubleLE = function writeDoubleLE(value, offset, noAssert) {
return writeDouble(this, value, offset, true, noAssert);
};
Buffer.prototype.writeDoubleBE = function writeDoubleBE(value, offset, noAssert) {
return writeDouble(this, value, offset, false, noAssert);
};
Buffer.prototype.copy = function copy(target, targetStart, start, end) {
if (!start)
start = 0;
if (!end && end !== 0)
end = this.length;
if (targetStart >= target.length)
targetStart = target.length;
if (!targetStart)
targetStart = 0;
if (end > 0 && end < start)
end = start;
if (end === start)
return 0;
if (target.length === 0 || this.length === 0)
return 0;
if (targetStart < 0) {
throw new RangeError("targetStart out of bounds");
}
if (start < 0 || start >= this.length)
throw new RangeError("sourceStart out of bounds");
if (end < 0)
throw new RangeError("sourceEnd out of bounds");
if (end > this.length)
end = this.length;
if (target.length - targetStart < end - start) {
end = target.length - targetStart + start;
}
var len = end - start;
var i;
if (this === target && start < targetStart && targetStart < end) {
for (i = len - 1; i >= 0; --i) {
target[i + targetStart] = this[i + start];
}
} else if (len < 1e3 || !Buffer.TYPED_ARRAY_SUPPORT) {
for (i = 0; i < len; ++i) {
target[i + targetStart] = this[i + start];
}
} else {
Uint8Array.prototype.set.call(
target,
this.subarray(start, start + len),
targetStart
);
}
return len;
};
Buffer.prototype.fill = function fill(val, start, end, encoding) {
if (typeof val === "string") {
if (typeof start === "string") {
encoding = start;
start = 0;
end = this.length;
} else if (typeof end === "string") {
encoding = end;
end = this.length;
}
if (val.length === 1) {
var code = val.charCodeAt(0);
if (code < 256) {
val = code;
}
}
if (encoding !== void 0 && typeof encoding !== "string") {
throw new TypeError("encoding must be a string");
}
if (typeof encoding === "string" && !Buffer.isEncoding(encoding)) {
throw new TypeError("Unknown encoding: " + encoding);
}
} else if (typeof val === "number") {
val = val & 255;
}
if (start < 0 || this.length < start || this.length < end) {
throw new RangeError("Out of range index");
}
if (end <= start) {
return this;
}
start = start >>> 0;
end = end === void 0 ? this.length : end >>> 0;
if (!val)
val = 0;
var i;
if (typeof val === "number") {
for (i = start; i < end; ++i) {
this[i] = val;
}
} else {
var bytes = internalIsBuffer(val) ? val : utf8ToBytes(new Buffer(val, encoding).toString());
var len = bytes.length;
for (i = 0; i < end - start; ++i) {
this[i + start] = bytes[i % len];
}
}
return this;
};
var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g;
function base64clean(str) {
str = stringtrim(str).replace(INVALID_BASE64_RE, "");
if (str.length < 2)
return "";
while (str.length % 4 !== 0) {
str = str + "=";
}
return str;
}
function stringtrim(str) {
if (str.trim)
return str.trim();
return str.replace(/^\s+|\s+$/g, "");
}
function toHex(n) {
if (n < 16)
return "0" + n.toString(16);
return n.toString(16);
}
function utf8ToBytes(string, units) {
units = units || Infinity;
var codePoint;
var length = string.length;
var leadSurrogate = null;
var bytes = [];
for (var i = 0; i < length; ++i) {
codePoint = string.charCodeAt(i);
if (codePoint > 55295 && codePoint < 57344) {
if (!leadSurrogate) {
if (codePoint > 56319) {
if ((units -= 3) > -1)
bytes.push(239, 191, 189);
continue;
} else if (i + 1 === length) {
if ((units -= 3) > -1)
bytes.push(239, 191, 189);
continue;
}
leadSurrogate = codePoint;
continue;
}
if (codePoint < 56320) {
if ((units -= 3) > -1)
bytes.push(239, 191, 189);
leadSurrogate = codePoint;
continue;
}
codePoint = (leadSurrogate - 55296 << 10 | codePoint - 56320) + 65536;
} else if (leadSurrogate) {
if ((units -= 3) > -1)
bytes.push(239, 191, 189);
}
leadSurrogate = null;
if (codePoint < 128) {
if ((units -= 1) < 0)
break;
bytes.push(codePoint);
} else if (codePoint < 2048) {
if ((units -= 2) < 0)
break;
bytes.push(codePoint >> 6 | 192, codePoint & 63 | 128);
} else if (codePoint < 65536) {
if ((units -= 3) < 0)
break;
bytes.push(
codePoint >> 12 | 224,
codePoint >> 6 & 63 | 128,
codePoint & 63 | 128
);
} else if (codePoint < 1114112) {
if ((units -= 4) < 0)
break;
bytes.push(
codePoint >> 18 | 240,
codePoint >> 12 & 63 | 128,
codePoint >> 6 & 63 | 128,
codePoint & 63 | 128
);
} else {
throw new Error("Invalid code point");
}
}
return bytes;
}
function asciiToBytes(str) {
var byteArray = [];
for (var i = 0; i < str.length; ++i) {
byteArray.push(str.charCodeAt(i) & 255);
}
return byteArray;
}
function utf16leToBytes(str, units) {
var c, hi, lo;
var byteArray = [];
for (var i = 0; i < str.length; ++i) {
if ((units -= 2) < 0)
break;
c = str.charCodeAt(i);
hi = c >> 8;
lo = c % 256;
byteArray.push(lo);
byteArray.push(hi);
}
return byteArray;
}
function base64ToBytes(str) {
return base64toByteArray(base64clean(str));
}
function blitBuffer(src, dst, offset, length) {
for (var i = 0; i < length; ++i) {
if (i + offset >= dst.length || i >= src.length)
break;
dst[i + offset] = src[i];
}
return i;
}
function isnan(val) {
return val !== val;
}
function isBuffer(obj) {
return obj != null && (!!obj._isBuffer || isFastBuffer(obj) || isSlowBuffer(obj));
}
function isFastBuffer(obj) {
return !!obj.constructor && typeof obj.constructor.isBuffer === "function" && obj.constructor.isBuffer(obj);
}
function isSlowBuffer(obj) {
return typeof obj.readFloatLE === "function" && typeof obj.slice === "function" && isFastBuffer(obj.slice(0, 0));
}
function ieee754read(buffer, offset, isLE, mLen, nBytes) {
var e, m;
var eLen = nBytes * 8 - mLen - 1;
var eMax = (1 << eLen) - 1;
var eBias = eMax >> 1;
var nBits = -7;
var i = isLE ? nBytes - 1 : 0;
var d = isLE ? -1 : 1;
var s = buffer[offset + i];
i += d;
e = s & (1 << -nBits) - 1;
s >>= -nBits;
nBits += eLen;
for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {
}
m = e & (1 << -nBits) - 1;
e >>= -nBits;
nBits += mLen;
for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {
}
if (e === 0) {
e = 1 - eBias;
} else if (e === eMax) {
return m ? NaN : (s ? -1