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authorCheng-Han, Wu2016-06-17 16:04:58 +0800
committerCheng-Han, Wu2016-06-17 16:04:58 +0800
commit56b4739e6d2f455f7b9a40f8c54b3f543bef1790 (patch)
treed26d09317c9182fd3457273f078def78c7f14feb /public/vendor
parentd742b332eb71ddd8e762d2e840ca675e6589319c (diff)
Add back missing support of image size in 0.4.2
Diffstat (limited to 'public/vendor')
-rw-r--r--public/vendor/markdown-it-imsize.js3116
1 files changed, 3116 insertions, 0 deletions
diff --git a/public/vendor/markdown-it-imsize.js b/public/vendor/markdown-it-imsize.js
new file mode 100644
index 00000000..c0f3ca08
--- /dev/null
+++ b/public/vendor/markdown-it-imsize.js
@@ -0,0 +1,3116 @@
+//from https://github.com/tatsy/markdown-it-imsize
+var markdownitImsize =
+/******/ (function(modules) { // webpackBootstrap
+/******/ // The module cache
+/******/ var installedModules = {};
+
+/******/ // The require function
+/******/ function __webpack_require__(moduleId) {
+
+/******/ // Check if module is in cache
+/******/ if(installedModules[moduleId])
+/******/ return installedModules[moduleId].exports;
+
+/******/ // Create a new module (and put it into the cache)
+/******/ var module = installedModules[moduleId] = {
+/******/ exports: {},
+/******/ id: moduleId,
+/******/ loaded: false
+/******/ };
+
+/******/ // Execute the module function
+/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+
+/******/ // Flag the module as loaded
+/******/ module.loaded = true;
+
+/******/ // Return the exports of the module
+/******/ return module.exports;
+/******/ }
+
+
+/******/ // expose the modules object (__webpack_modules__)
+/******/ __webpack_require__.m = modules;
+
+/******/ // expose the module cache
+/******/ __webpack_require__.c = installedModules;
+
+/******/ // __webpack_public_path__
+/******/ __webpack_require__.p = "";
+
+/******/ // Load entry module and return exports
+/******/ return __webpack_require__(0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ function(module, exports, __webpack_require__) {
+
+ // Process ![test]( x =100x200)
+ // ^^^^^^^^ this size specification
+
+ 'use strict';
+
+ var sizeOf = __webpack_require__(1);
+
+ var parseImageSize = __webpack_require__(21);
+
+ function image_with_size(md, options) {
+ return function(state, silent) {
+ var attrs,
+ code,
+ label,
+ labelEnd,
+ labelStart,
+ pos,
+ ref,
+ res,
+ title,
+ width = '',
+ height = '',
+ token,
+ tokens,
+ start,
+ href = '',
+ oldPos = state.pos,
+ max = state.posMax;
+
+ if (state.src.charCodeAt(state.pos) !== 0x21/* ! */) { return false; }
+ if (state.src.charCodeAt(state.pos + 1) !== 0x5B/* [ */) { return false; }
+
+ labelStart = state.pos + 2;
+ labelEnd = md.helpers.parseLinkLabel(state, state.pos + 1, false);
+
+ // parser failed to find ']', so it's not a valid link
+ if (labelEnd < 0) { return false; }
+
+ pos = labelEnd + 1;
+ if (pos < max && state.src.charCodeAt(pos) === 0x28/* ( */) {
+
+ //
+ // Inline link
+ //
+
+ // [link]( <href> "title" )
+ // ^^ skipping these spaces
+ pos++;
+ for (; pos < max; pos++) {
+ code = state.src.charCodeAt(pos);
+ if (code !== 0x20 && code !== 0x0A) { break; }
+ }
+ if (pos >= max) { return false; }
+
+ // [link]( <href> "title" )
+ // ^^^^^^ parsing link destination
+ start = pos;
+ res = md.helpers.parseLinkDestination(state.src, pos, state.posMax);
+ if (res.ok) {
+ href = state.md.normalizeLink(res.str);
+ if (state.md.validateLink(href)) {
+ pos = res.pos;
+ } else {
+ href = '';
+ }
+ }
+
+ // [link]( <href> "title" )
+ // ^^ skipping these spaces
+ start = pos;
+ for (; pos < max; pos++) {
+ code = state.src.charCodeAt(pos);
+ if (code !== 0x20 && code !== 0x0A) { break; }
+ }
+
+ // [link]( <href> "title" )
+ // ^^^^^^^ parsing link title
+ res = md.helpers.parseLinkTitle(state.src, pos, state.posMax);
+ if (pos < max && start !== pos && res.ok) {
+ title = res.str;
+ pos = res.pos;
+
+ // [link]( <href> "title" )
+ // ^^ skipping these spaces
+ for (; pos < max; pos++) {
+ code = state.src.charCodeAt(pos);
+ if (code !== 0x20 && code !== 0x0A) { break; }
+ }
+ } else {
+ title = '';
+ }
+
+ // [link]( <href> "title" =WxH )
+ // ^^^^ parsing image size
+ if (pos - 1 >= 0) {
+ code = state.src.charCodeAt(pos - 1);
+
+ // there must be at least one white spaces
+ // between previous field and the size
+ if (code === 0x20) {
+ res = parseImageSize(state.src, pos, state.posMax);
+ if (res.ok) {
+ width = res.width;
+ height = res.height;
+ pos = res.pos;
+
+ // [link]( <href> "title" =WxH )
+ // ^^ skipping these spaces
+ for (; pos < max; pos++) {
+ code = state.src.charCodeAt(pos);
+ if (code !== 0x20 && code !== 0x0A) { break; }
+ }
+ }
+ }
+ }
+
+ if (pos >= max || state.src.charCodeAt(pos) !== 0x29/* ) */) {
+ state.pos = oldPos;
+ return false;
+ }
+ pos++;
+
+ } else {
+ //
+ // Link reference
+ //
+ if (typeof state.env.references === 'undefined') { return false; }
+
+ // [foo] [bar]
+ // ^^ optional whitespace (can include newlines)
+ for (; pos < max; pos++) {
+ code = state.src.charCodeAt(pos);
+ if (code !== 0x20 && code !== 0x0A) { break; }
+ }
+
+ if (pos < max && state.src.charCodeAt(pos) === 0x5B/* [ */) {
+ start = pos + 1;
+ pos = md.helpers.parseLinkLabel(state, pos);
+ if (pos >= 0) {
+ label = state.src.slice(start, pos++);
+ } else {
+ pos = labelEnd + 1;
+ }
+ } else {
+ pos = labelEnd + 1;
+ }
+
+ // covers label === '' and label === undefined
+ // (collapsed reference link and shortcut reference link respectively)
+ if (!label) { label = state.src.slice(labelStart, labelEnd); }
+
+ ref = state.env.references[md.utils.normalizeReference(label)];
+ if (!ref) {
+ state.pos = oldPos;
+ return false;
+ }
+ href = ref.href;
+ title = ref.title;
+ }
+
+ //
+ // We found the end of the link, and know for a fact it's a valid link;
+ // so all that's left to do is to call tokenizer.
+ //
+ if (!silent) {
+ state.pos = labelStart;
+ state.posMax = labelEnd;
+
+ var newState = new state.md.inline.State(
+ state.src.slice(labelStart, labelEnd),
+ state.md,
+ state.env,
+ tokens = []
+ );
+ newState.md.inline.tokenize(newState);
+
+ // if 'autofill' option is specified
+ // and width/height are both blank,
+ // they are filled automatically
+ if (options) {
+ if (options.autofill && width === '' && height === '') {
+ try {
+ var dimensions = sizeOf(href);
+ width = dimensions.width;
+ height = dimensions.height;
+ } catch (e) { }
+ }
+ }
+
+ token = state.push('image', 'img', 0);
+ token.attrs = attrs = [ [ 'src', href ],
+ [ 'alt', '' ] ];
+ token.children = tokens;
+ if (title) {
+ attrs.push([ 'title', title ]);
+ }
+
+ if (width !== '') {
+ attrs.push([ 'width', width ]);
+ }
+
+ if (height !== '') {
+ attrs.push([ 'height', height ]);
+ }
+ }
+
+ state.pos = pos;
+ state.posMax = max;
+ return true;
+ };
+ }
+
+ module.exports = function imsize_plugin(md, options) {
+ md.inline.ruler.before('emphasis', 'image', image_with_size(md, options));
+ };
+
+
+/***/ },
+/* 1 */
+/***/ function(module, exports, __webpack_require__) {
+
+ /* WEBPACK VAR INJECTION */(function(Buffer) {'use strict';
+
+ var fs = __webpack_require__(6);
+ var path = __webpack_require__(7);
+
+ var detector = __webpack_require__(9);
+ var handlers = {};
+ var types = __webpack_require__(10);
+
+ types.forEach(function(type) {
+ handlers[type] = __webpack_require__(11)("./" + type);
+ });
+
+ var MaxBufferSize = 128 * 1024;
+
+ function lookup(buffer, filepath) {
+ var type = detector(buffer, filepath);
+
+ if (type in handlers) {
+ var size = handlers[type].calculate(buffer, filepath);
+ if (size !== false) {
+ size.type = type;
+ return size;
+ }
+ }
+
+ throw new TypeError('Unsupported file type');
+ }
+
+ function asyncFileToBuffer(filepath, callback) {
+ fs.open(filepath, 'r', function(err0, descriptor) {
+ if (err0) {
+ return callback(err0);
+ }
+
+ var size = fs.fstatSync(descriptor).size;
+ var bufferSize = Math.min(size, MaxBufferSize);
+ var buffer = new Buffer(bufferSize);
+ fs.read(descriptor, buffer, 0, bufferSize, 0, function(err1) {
+ if (err1) {
+ return callback(err1);
+ }
+
+ fs.close(descriptor, function(err2) {
+ callback(err2, buffer);
+ });
+ });
+ });
+ }
+
+ function syncFileToBuffer(filepath) {
+ var descriptor = fs.openSync(filepath, 'r');
+ var size = fs.fstatSync(descriptor).size;
+ var bufferSize = Math.min(size, MaxBufferSize);
+ var buffer = new Buffer(bufferSize);
+ fs.readSync(descriptor, buffer, 0, bufferSize, 0);
+ fs.closeSync(descriptor);
+ return buffer;
+ }
+
+ /**
+ * Returns the dimensions of the image file
+ * @param[in] input: input image path
+ * @param[in] callback(option): if specified, gets size async.
+ */
+ module.exports = function(input, callback) {
+ if (typeof input !== 'string') {
+ throw new TypeError('Input must be file name');
+ }
+
+ var filepath = path.resolve(input);
+
+ if (typeof callback === 'function') {
+ asyncFileToBuffer(filepath, function(err, buffer) {
+ if (err) {
+ return callback(err);
+ }
+
+ var dimensions;
+ try {
+ dimensions = lookup(buffer, filepath);
+ } catch (e) {
+ err = e;
+ }
+ callback(err, dimensions);
+ });
+ } else {
+ var buffer = syncFileToBuffer(filepath);
+ return lookup(buffer, filepath);
+ }
+ };
+
+ /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(2).Buffer))
+
+/***/ },
+/* 2 */
+/***/ function(module, exports, __webpack_require__) {
+
+ /* WEBPACK VAR INJECTION */(function(Buffer, global) {/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
+ * @license MIT
+ */
+ /* eslint-disable no-proto */
+
+ 'use strict'
+
+ var base64 = __webpack_require__(3)
+ var ieee754 = __webpack_require__(4)
+ var isArray = __webpack_require__(5)
+
+ exports.Buffer = Buffer
+ exports.SlowBuffer = SlowBuffer
+ exports.INSPECT_MAX_BYTES = 50
+ Buffer.poolSize = 8192 // not used by this implementation
+
+ var rootParent = {}
+
+ /**
+ * If `Buffer.TYPED_ARRAY_SUPPORT`:
+ * === true Use Uint8Array implementation (fastest)
+ * === false Use Object implementation (most compatible, even IE6)
+ *
+ * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
+ * Opera 11.6+, iOS 4.2+.
+ *
+ * Due to various browser bugs, sometimes the Object implementation will be used even
+ * when the browser supports typed arrays.
+ *
+ * Note:
+ *
+ * - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
+ * See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
+ *
+ * - Safari 5-7 lacks support for changing the `Object.prototype.constructor` property
+ * on objects.
+ *
+ * - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
+ *
+ * - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
+ * incorrect length in some situations.
+
+ * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
+ * get the Object implementation, which is slower but behaves correctly.
+ */
+ Buffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined
+ ? global.TYPED_ARRAY_SUPPORT
+ : typedArraySupport()
+
+ function typedArraySupport () {
+ function Bar () {}
+ try {
+ var arr = new Uint8Array(1)
+ arr.foo = function () { return 42 }
+ arr.constructor = Bar
+ return arr.foo() === 42 && // typed array instances can be augmented
+ arr.constructor === Bar && // constructor can be set
+ typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`
+ arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`
+ } catch (e) {
+ return false
+ }
+ }
+
+ function kMaxLength () {
+ return Buffer.TYPED_ARRAY_SUPPORT
+ ? 0x7fffffff
+ : 0x3fffffff
+ }
+
+ /**
+ * Class: Buffer
+ * =============
+ *
+ * The Buffer constructor returns instances of `Uint8Array` that are augmented
+ * with function properties for all the node `Buffer` API functions. We use
+ * `Uint8Array` so that square bracket notation works as expected -- it returns
+ * a single octet.
+ *
+ * By augmenting the instances, we can avoid modifying the `Uint8Array`
+ * prototype.
+ */
+ function Buffer (arg) {
+ if (!(this instanceof Buffer)) {
+ // Avoid going through an ArgumentsAdaptorTrampoline in the common case.
+ if (arguments.length > 1) return new Buffer(arg, arguments[1])
+ return new Buffer(arg)
+ }
+
+ if (!Buffer.TYPED_ARRAY_SUPPORT) {
+ this.length = 0
+ this.parent = undefined
+ }
+
+ // Common case.
+ if (typeof arg === 'number') {
+ return fromNumber(this, arg)
+ }
+
+ // Slightly less common case.
+ if (typeof arg === 'string') {
+ return fromString(this, arg, arguments.length > 1 ? arguments[1] : 'utf8')
+ }
+
+ // Unusual.
+ return fromObject(this, arg)
+ }
+
+ function fromNumber (that, length) {
+ that = allocate(that, length < 0 ? 0 : checked(length) | 0)
+ if (!Buffer.TYPED_ARRAY_SUPPORT) {
+ for (var i = 0; i < length; i++) {
+ that[i] = 0
+ }
+ }
+ return that
+ }
+
+ function fromString (that, string, encoding) {
+ if (typeof encoding !== 'string' || encoding === '') encoding = 'utf8'
+
+ // Assumption: byteLength() return value is always < kMaxLength.
+ var length = byteLength(string, encoding) | 0
+ that = allocate(that, length)
+
+ that.write(string, encoding)
+ return that
+ }
+
+ function fromObject (that, object) {
+ if (Buffer.isBuffer(object)) return fromBuffer(that, object)
+
+ if (isArray(object)) return fromArray(that, object)
+
+ if (object == null) {
+ throw new TypeError('must start with number, buffer, array or string')
+ }
+
+ if (typeof ArrayBuffer !== 'undefined') {
+ if (object.buffer instanceof ArrayBuffer) {
+ return fromTypedArray(that, object)
+ }
+ if (object instanceof ArrayBuffer) {
+ return fromArrayBuffer(that, object)
+ }
+ }
+
+ if (object.length) return fromArrayLike(that, object)
+
+ return fromJsonObject(that, object)
+ }
+
+ function fromBuffer (that, buffer) {
+ var length = checked(buffer.length) | 0
+ that = allocate(that, length)
+ buffer.copy(that, 0, 0, length)
+ return that
+ }
+
+ function fromArray (that, array) {
+ var length = checked(array.length) | 0
+ that = allocate(that, length)
+ for (var i = 0; i < length; i += 1) {
+ that[i] = array[i] & 255
+ }
+ return that
+ }
+
+ // Duplicate of fromArray() to keep fromArray() monomorphic.
+ function fromTypedArray (that, array) {
+ var length = checked(array.length) | 0
+ that = allocate(that, length)
+ // Truncating the elements is probably not what people expect from typed
+ // arrays with BYTES_PER_ELEMENT > 1 but it's compatible with the behavior
+ // of the old Buffer constructor.
+ for (var i = 0; i < length; i += 1) {
+ that[i] = array[i] & 255
+ }
+ return that
+ }
+
+ function fromArrayBuffer (that, array) {
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ // Return an augmented `Uint8Array` instance, for best performance
+ array.byteLength
+ that = Buffer._augment(new Uint8Array(array))
+ } else {
+ // Fallback: Return an object instance of the Buffer class
+ that = fromTypedArray(that, new Uint8Array(array))
+ }
+ return that
+ }
+
+ function fromArrayLike (that, array) {
+ var length = checked(array.length) | 0
+ that = allocate(that, length)
+ for (var i = 0; i < length; i += 1) {
+ that[i] = array[i] & 255
+ }
+ return that
+ }
+
+ // Deserialize { type: 'Buffer', data: [1,2,3,...] } into a Buffer object.
+ // Returns a zero-length buffer for inputs that don't conform to the spec.
+ function fromJsonObject (that, object) {
+ var array
+ var length = 0
+
+ if (object.type === 'Buffer' && isArray(object.data)) {
+ array = object.data
+ length = checked(array.length) | 0
+ }
+ that = allocate(that, length)
+
+ for (var i = 0; i < length; i += 1) {
+ that[i] = array[i] & 255
+ }
+ return that
+ }
+
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ Buffer.prototype.__proto__ = Uint8Array.prototype
+ Buffer.__proto__ = Uint8Array
+ } else {
+ // pre-set for values that may exist in the future
+ Buffer.prototype.length = undefined
+ Buffer.prototype.parent = undefined
+ }
+
+ function allocate (that, length) {
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ // Return an augmented `Uint8Array` instance, for best performance
+ that = Buffer._augment(new Uint8Array(length))
+ that.__proto__ = Buffer.prototype
+ } else {
+ // Fallback: Return an object instance of the Buffer class
+ that.length = length
+ that._isBuffer = true
+ }
+
+ var fromPool = length !== 0 && length <= Buffer.poolSize >>> 1
+ if (fromPool) that.parent = rootParent
+
+ return that
+ }
+
+ function checked (length) {
+ // Note: cannot use `length < kMaxLength` here because that fails when
+ // length is NaN (which is otherwise coerced to zero.)
+ if (length >= kMaxLength()) {
+ throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
+ 'size: 0x' + kMaxLength().toString(16) + ' bytes')
+ }
+ return length | 0
+ }
+
+ function SlowBuffer (subject, encoding) {
+ if (!(this instanceof SlowBuffer)) return new SlowBuffer(subject, encoding)
+
+ var buf = new Buffer(subject, encoding)
+ delete buf.parent
+ return buf
+ }
+
+ Buffer.isBuffer = function isBuffer (b) {
+ return !!(b != null && b._isBuffer)
+ }
+
+ Buffer.compare = function compare (a, b) {
+ if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
+ throw new TypeError('Arguments must be Buffers')
+ }
+
+ if (a === b) return 0
+
+ var x = a.length
+ var y = b.length
+
+ var i = 0
+ var len = Math.min(x, y)
+ while (i < len) {
+ if (a[i] !== b[i]) break
+
+ ++i
+ }
+
+ if (i !== len) {
+ x = a[i]
+ y = b[i]
+ }
+
+ 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 'binary':
+ case 'base64':
+ case 'raw':
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return true
+ default:
+ return false
+ }
+ }
+
+ Buffer.concat = function concat (list, length) {
+ if (!isArray(list)) throw new TypeError('list argument must be an Array of Buffers.')
+
+ if (list.length === 0) {
+ return new Buffer(0)
+ }
+
+ var i
+ if (length === undefined) {
+ length = 0
+ for (i = 0; i < list.length; i++) {
+ length += list[i].length
+ }
+ }
+
+ var buf = new Buffer(length)
+ var pos = 0
+ for (i = 0; i < list.length; i++) {
+ var item = list[i]
+ item.copy(buf, pos)
+ pos += item.length
+ }
+ return buf
+ }
+
+ function byteLength (string, encoding) {
+ if (typeof string !== 'string') string = '' + string
+
+ var len = string.length
+ if (len === 0) return 0
+
+ // Use a for loop to avoid recursion
+ var loweredCase = false
+ for (;;) {
+ switch (encoding) {
+ case 'ascii':
+ case 'binary':
+ // Deprecated
+ case 'raw':
+ case 'raws':
+ return len
+ case 'utf8':
+ case 'utf-8':
+ 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 // assume utf8
+ encoding = ('' + encoding).toLowerCase()
+ loweredCase = true
+ }
+ }
+ }
+ Buffer.byteLength = byteLength
+
+ function slowToString (encoding, start, end) {
+ var loweredCase = false
+
+ start = start | 0
+ end = end === undefined || end === Infinity ? this.length : end | 0
+
+ if (!encoding) encoding = 'utf8'
+ if (start < 0) start = 0
+ if (end > this.length) end = this.length
+ if (end <= start) return ''
+
+ 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 'binary':
+ return binarySlice(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.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 (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
+ if (this === b) return true
+ return Buffer.compare(this, b) === 0
+ }
+
+ Buffer.prototype.inspect = function inspect () {
+ var str = ''
+ var max = exports.INSPECT_MAX_BYTES
+ if (this.length > 0) {
+ str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
+ if (this.length > max) str += ' ... '
+ }
+ return '<Buffer ' + str + '>'
+ }
+
+ Buffer.prototype.compare = function compare (b) {
+ if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
+ if (this === b) return 0
+ return Buffer.compare(this, b)
+ }
+
+ Buffer.prototype.indexOf = function indexOf (val, byteOffset) {
+ if (byteOffset > 0x7fffffff) byteOffset = 0x7fffffff
+ else if (byteOffset < -0x80000000) byteOffset = -0x80000000
+ byteOffset >>= 0
+
+ if (this.length === 0) return -1
+ if (byteOffset >= this.length) return -1
+
+ // Negative offsets start from the end of the buffer
+ if (byteOffset < 0) byteOffset = Math.max(this.length + byteOffset, 0)
+
+ if (typeof val === 'string') {
+ if (val.length === 0) return -1 // special case: looking for empty string always fails
+ return String.prototype.indexOf.call(this, val, byteOffset)
+ }
+ if (Buffer.isBuffer(val)) {
+ return arrayIndexOf(this, val, byteOffset)
+ }
+ if (typeof val === 'number') {
+ if (Buffer.TYPED_ARRAY_SUPPORT && Uint8Array.prototype.indexOf === 'function') {
+ return Uint8Array.prototype.indexOf.call(this, val, byteOffset)
+ }
+ return arrayIndexOf(this, [ val ], byteOffset)
+ }
+
+ function arrayIndexOf (arr, val, byteOffset) {
+ var foundIndex = -1
+ for (var i = 0; byteOffset + i < arr.length; i++) {
+ if (arr[byteOffset + i] === val[foundIndex === -1 ? 0 : i - foundIndex]) {
+ if (foundIndex === -1) foundIndex = i
+ if (i - foundIndex + 1 === val.length) return byteOffset + foundIndex
+ } else {
+ foundIndex = -1
+ }
+ }
+ return -1
+ }
+
+ throw new TypeError('val must be string, number or Buffer')
+ }
+
+ // `get` is deprecated
+ Buffer.prototype.get = function get (offset) {
+ console.log('.get() is deprecated. Access using array indexes instead.')
+ return this.readUInt8(offset)
+ }
+
+ // `set` is deprecated
+ Buffer.prototype.set = function set (v, offset) {
+ console.log('.set() is deprecated. Access using array indexes instead.')
+ return this.writeUInt8(v, offset)
+ }
+
+ 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
+ }
+ }
+
+ // must be an even number of digits
+ var strLen = string.length
+ if (strLen % 2 !== 0) throw new Error('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)) throw new Error('Invalid hex string')
+ 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 binaryWrite (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) {
+ // Buffer#write(string)
+ if (offset === undefined) {
+ encoding = 'utf8'
+ length = this.length
+ offset = 0
+ // Buffer#write(string, encoding)
+ } else if (length === undefined && typeof offset === 'string') {
+ encoding = offset
+ length = this.length
+ offset = 0
+ // Buffer#write(string, offset[, length][, encoding])
+ } else if (isFinite(offset)) {
+ offset = offset | 0
+ if (isFinite(length)) {
+ length = length | 0
+ if (encoding === undefined) encoding = 'utf8'
+ } else {
+ encoding = length
+ length = undefined
+ }
+ // legacy write(string, encoding, offset, length) - remove in v0.13
+ } else {
+ var swap = encoding
+ encoding = offset
+ offset = length | 0
+ length = swap
+ }
+
+ var remaining = this.length - offset
+ if (length === undefined || 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 'binary':
+ return binaryWrite(this, string, offset, length)
+
+ case 'base64':
+ // Warning: maxLength not taken into account in base64Write
+ 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 base64.fromByteArray(buf)
+ } else {
+ return base64.fromByteArray(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 > 0xEF) ? 4
+ : (firstByte > 0xDF) ? 3
+ : (firstByte > 0xBF) ? 2
+ : 1
+
+ if (i + bytesPerSequence <= end) {
+ var secondByte, thirdByte, fourthByte, tempCodePoint
+
+ switch (bytesPerSequence) {
+ case 1:
+ if (firstByte < 0x80) {
+ codePoint = firstByte
+ }
+ break
+ case 2:
+ secondByte = buf[i + 1]
+ if ((secondByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
+ if (tempCodePoint > 0x7F) {
+ codePoint = tempCodePoint
+ }
+ }
+ break
+ case 3:
+ secondByte = buf[i + 1]
+ thirdByte = buf[i + 2]
+ if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
+ if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
+ codePoint = tempCodePoint
+ }
+ }
+ break
+ case 4:
+ secondByte = buf[i + 1]
+ thirdByte = buf[i + 2]
+ fourthByte = buf[i + 3]
+ if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
+ if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
+ codePoint = tempCodePoint
+ }
+ }
+ }
+ }
+
+ if (codePoint === null) {
+ // we did not generate a valid codePoint so insert a
+ // replacement char (U+FFFD) and advance only 1 byte
+ codePoint = 0xFFFD
+ bytesPerSequence = 1
+ } else if (codePoint > 0xFFFF) {
+ // encode to utf16 (surrogate pair dance)
+ codePoint -= 0x10000
+ res.push(codePoint >>> 10 & 0x3FF | 0xD800)
+ codePoint = 0xDC00 | codePoint & 0x3FF
+ }
+
+ res.push(codePoint)
+ i += bytesPerSequence
+ }
+
+ return decodeCodePointsArray(res)
+ }
+
+ // Based on http://stackoverflow.com/a/22747272/680742, the browser with
+ // the lowest limit is Chrome, with 0x10000 args.
+ // We go 1 magnitude less, for safety
+ var MAX_ARGUMENTS_LENGTH = 0x1000
+
+ function decodeCodePointsArray (codePoints) {
+ var len = codePoints.length
+ if (len <= MAX_ARGUMENTS_LENGTH) {
+ return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
+ }
+
+ // Decode in chunks to avoid "call stack size exceeded".
+ 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] & 0x7F)
+ }
+ return ret
+ }
+
+ function binarySlice (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 === undefined ? 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 = Buffer._augment(this.subarray(start, end))
+ } else {
+ var sliceLen = end - start
+ newBuf = new Buffer(sliceLen, undefined)
+ for (var i = 0; i < sliceLen; i++) {
+ newBuf[i] = this[i + start]
+ }
+ }
+
+ if (newBuf.length) newBuf.parent = this.parent || this
+
+ return newBuf
+ }
+
+ /*
+ * Need to make sure that buffer isn't trying to write out of bounds.
+ */
+ 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, byteLength, noAssert) {
+ offset = offset | 0
+ byteLength = byteLength | 0
+ if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+ var val = this[offset]
+ var mul = 1
+ var i = 0
+ while (++i < byteLength && (mul *= 0x100)) {
+ val += this[offset + i] * mul
+ }
+
+ return val
+ }
+
+ Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
+ offset = offset | 0
+ byteLength = byteLength | 0
+ if (!noAssert) {
+ checkOffset(offset, byteLength, this.length)
+ }
+
+ var val = this[offset + --byteLength]
+ var mul = 1
+ while (byteLength > 0 && (mul *= 0x100)) {
+ val += this[offset + --byteLength] * 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] * 0x1000000)
+ }
+
+ Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 4, this.length)
+
+ return (this[offset] * 0x1000000) +
+ ((this[offset + 1] << 16) |
+ (this[offset + 2] << 8) |
+ this[offset + 3])
+ }
+
+ Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
+ offset = offset | 0
+ byteLength = byteLength | 0
+ if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+ var val = this[offset]
+ var mul = 1
+ var i = 0
+ while (++i < byteLength && (mul *= 0x100)) {
+ val += this[offset + i] * mul
+ }
+ mul *= 0x80
+
+ if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+ return val
+ }
+
+ Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
+ offset = offset | 0
+ byteLength = byteLength | 0
+ if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+ var i = byteLength
+ var mul = 1
+ var val = this[offset + --i]
+ while (i > 0 && (mul *= 0x100)) {
+ val += this[offset + --i] * mul
+ }
+ mul *= 0x80
+
+ if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+ return val
+ }
+
+ Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 1, this.length)
+ if (!(this[offset] & 0x80)) return (this[offset])
+ return ((0xff - 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 & 0x8000) ? val | 0xFFFF0000 : 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 & 0x8000) ? val | 0xFFFF0000 : 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 ieee754.read(this, offset, true, 23, 4)
+ }
+
+ Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 4, this.length)
+ return ieee754.read(this, offset, false, 23, 4)
+ }
+
+ Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 8, this.length)
+ return ieee754.read(this, offset, true, 52, 8)
+ }
+
+ Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 8, this.length)
+ return ieee754.read(this, offset, false, 52, 8)
+ }
+
+ function checkInt (buf, value, offset, ext, max, min) {
+ if (!Buffer.isBuffer(buf)) throw new TypeError('buffer must be a Buffer instance')
+ if (value > max || value < min) throw new RangeError('value is out of bounds')
+ if (offset + ext > buf.length) throw new RangeError('index out of range')
+ }
+
+ Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
+ value = +value
+ offset = offset | 0
+ byteLength = byteLength | 0
+ if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0)
+
+ var mul = 1
+ var i = 0
+ this[offset] = value & 0xFF
+ while (++i < byteLength && (mul *= 0x100)) {
+ this[offset + i] = (value / mul) & 0xFF
+ }
+
+ return offset + byteLength
+ }
+
+ Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
+ value = +value
+ offset = offset | 0
+ byteLength = byteLength | 0
+ if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0)
+
+ var i = byteLength - 1
+ var mul = 1
+ this[offset + i] = value & 0xFF
+ while (--i >= 0 && (mul *= 0x100)) {
+ this[offset + i] = (value / mul) & 0xFF
+ }
+
+ return offset + byteLength
+ }
+
+ Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
+ if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
+ this[offset] = (value & 0xff)
+ return offset + 1
+ }
+
+ function objectWriteUInt16 (buf, value, offset, littleEndian) {
+ if (value < 0) value = 0xffff + value + 1
+ for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; i++) {
+ buf[offset + i] = (value & (0xff << (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, 0xffff, 0)
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value & 0xff)
+ 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, 0xffff, 0)
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value >>> 8)
+ this[offset + 1] = (value & 0xff)
+ } else {
+ objectWriteUInt16(this, value, offset, false)
+ }
+ return offset + 2
+ }
+
+ function objectWriteUInt32 (buf, value, offset, littleEndian) {
+ if (value < 0) value = 0xffffffff + 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) & 0xff
+ }
+ }
+
+ Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset + 3] = (value >>> 24)
+ this[offset + 2] = (value >>> 16)
+ this[offset + 1] = (value >>> 8)
+ this[offset] = (value & 0xff)
+ } 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, 0xffffffff, 0)
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value >>> 24)
+ this[offset + 1] = (value >>> 16)
+ this[offset + 2] = (value >>> 8)
+ this[offset + 3] = (value & 0xff)
+ } else {
+ objectWriteUInt32(this, value, offset, false)
+ }
+ return offset + 4
+ }
+
+ Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) {
+ var limit = Math.pow(2, 8 * byteLength - 1)
+
+ checkInt(this, value, offset, byteLength, limit - 1, -limit)
+ }
+
+ var i = 0
+ var mul = 1
+ var sub = value < 0 ? 1 : 0
+ this[offset] = value & 0xFF
+ while (++i < byteLength && (mul *= 0x100)) {
+ this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+ }
+
+ return offset + byteLength
+ }
+
+ Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) {
+ var limit = Math.pow(2, 8 * byteLength - 1)
+
+ checkInt(this, value, offset, byteLength, limit - 1, -limit)
+ }
+
+ var i = byteLength - 1
+ var mul = 1
+ var sub = value < 0 ? 1 : 0
+ this[offset + i] = value & 0xFF
+ while (--i >= 0 && (mul *= 0x100)) {
+ this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+ }
+
+ return offset + byteLength
+ }
+
+ Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
+ if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
+ if (value < 0) value = 0xff + value + 1
+ this[offset] = (value & 0xff)
+ return offset + 1
+ }
+
+ Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value & 0xff)
+ 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, 0x7fff, -0x8000)
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value >>> 8)
+ this[offset + 1] = (value & 0xff)
+ } 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, 0x7fffffff, -0x80000000)
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value & 0xff)
+ 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, 0x7fffffff, -0x80000000)
+ if (value < 0) value = 0xffffffff + 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 & 0xff)
+ } else {
+ objectWriteUInt32(this, value, offset, false)
+ }
+ return offset + 4
+ }
+
+ function checkIEEE754 (buf, value, offset, ext, max, min) {
+ if (value > max || value < min) throw new RangeError('value is out of bounds')
+ 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, 3.4028234663852886e+38, -3.4028234663852886e+38)
+ }
+ ieee754.write(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, 1.7976931348623157E+308, -1.7976931348623157E+308)
+ }
+ ieee754.write(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)
+ }
+
+ // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+ 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
+
+ // Copy 0 bytes; we're done
+ if (end === start) return 0
+ if (target.length === 0 || this.length === 0) return 0
+
+ // Fatal error conditions
+ 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')
+
+ // Are we oob?
+ 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) {
+ // descending copy from end
+ for (i = len - 1; i >= 0; i--) {
+ target[i + targetStart] = this[i + start]
+ }
+ } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
+ // ascending copy from start
+ for (i = 0; i < len; i++) {
+ target[i + targetStart] = this[i + start]
+ }
+ } else {
+ target._set(this.subarray(start, start + len), targetStart)
+ }
+
+ return len
+ }
+
+ // fill(value, start=0, end=buffer.length)
+ Buffer.prototype.fill = function fill (value, start, end) {
+ if (!value) value = 0
+ if (!start) start = 0
+ if (!end) end = this.length
+
+ if (end < start) throw new RangeError('end < start')
+
+ // Fill 0 bytes; we're done
+ if (end === start) return
+ if (this.length === 0) return
+
+ if (start < 0 || start >= this.length) throw new RangeError('start out of bounds')
+ if (end < 0 || end > this.length) throw new RangeError('end out of bounds')
+
+ var i
+ if (typeof value === 'number') {
+ for (i = start; i < end; i++) {
+ this[i] = value
+ }
+ } else {
+ var bytes = utf8ToBytes(value.toString())
+ var len = bytes.length
+ for (i = start; i < end; i++) {
+ this[i] = bytes[i % len]
+ }
+ }
+
+ return this
+ }
+
+ /**
+ * Creates a new `ArrayBuffer` with the *copied* memory of the buffer instance.
+ * Added in Node 0.12. Only available in browsers that support ArrayBuffer.
+ */
+ Buffer.prototype.toArrayBuffer = function toArrayBuffer () {
+ if (typeof Uint8Array !== 'undefined') {
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ return (new Buffer(this)).buffer
+ } else {
+ var buf = new Uint8Array(this.length)
+ for (var i = 0, len = buf.length; i < len; i += 1) {
+ buf[i] = this[i]
+ }
+ return buf.buffer
+ }
+ } else {
+ throw new TypeError('Buffer.toArrayBuffer not supported in this browser')
+ }
+ }
+
+ // HELPER FUNCTIONS
+ // ================
+
+ var BP = Buffer.prototype
+
+ /**
+ * Augment a Uint8Array *instance* (not the Uint8Array class!) with Buffer methods
+ */
+ Buffer._augment = function _augment (arr) {
+ arr.constructor = Buffer
+ arr._isBuffer = true
+
+ // save reference to original Uint8Array set method before overwriting
+ arr._set = arr.set
+
+ // deprecated
+ arr.get = BP.get
+ arr.set = BP.set
+
+ arr.write = BP.write
+ arr.toString = BP.toString
+ arr.toLocaleString = BP.toString
+ arr.toJSON = BP.toJSON
+ arr.equals = BP.equals
+ arr.compare = BP.compare
+ arr.indexOf = BP.indexOf
+ arr.copy = BP.copy
+ arr.slice = BP.slice
+ arr.readUIntLE = BP.readUIntLE
+ arr.readUIntBE = BP.readUIntBE
+ arr.readUInt8 = BP.readUInt8
+ arr.readUInt16LE = BP.readUInt16LE
+ arr.readUInt16BE = BP.readUInt16BE
+ arr.readUInt32LE = BP.readUInt32LE
+ arr.readUInt32BE = BP.readUInt32BE
+ arr.readIntLE = BP.readIntLE
+ arr.readIntBE = BP.readIntBE
+ arr.readInt8 = BP.readInt8
+ arr.readInt16LE = BP.readInt16LE
+ arr.readInt16BE = BP.readInt16BE
+ arr.readInt32LE = BP.readInt32LE
+ arr.readInt32BE = BP.readInt32BE
+ arr.readFloatLE = BP.readFloatLE
+ arr.readFloatBE = BP.readFloatBE
+ arr.readDoubleLE = BP.readDoubleLE
+ arr.readDoubleBE = BP.readDoubleBE
+ arr.writeUInt8 = BP.writeUInt8
+ arr.writeUIntLE = BP.writeUIntLE
+ arr.writeUIntBE = BP.writeUIntBE
+ arr.writeUInt16LE = BP.writeUInt16LE
+ arr.writeUInt16BE = BP.writeUInt16BE
+ arr.writeUInt32LE = BP.writeUInt32LE
+ arr.writeUInt32BE = BP.writeUInt32BE
+ arr.writeIntLE = BP.writeIntLE
+ arr.writeIntBE = BP.writeIntBE
+ arr.writeInt8 = BP.writeInt8
+ arr.writeInt16LE = BP.writeInt16LE
+ arr.writeInt16BE = BP.writeInt16BE
+ arr.writeInt32LE = BP.writeInt32LE
+ arr.writeInt32BE = BP.writeInt32BE
+ arr.writeFloatLE = BP.writeFloatLE
+ arr.writeFloatBE = BP.writeFloatBE
+ arr.writeDoubleLE = BP.writeDoubleLE
+ arr.writeDoubleBE = BP.writeDoubleBE
+ arr.fill = BP.fill
+ arr.inspect = BP.inspect
+ arr.toArrayBuffer = BP.toArrayBuffer
+
+ return arr
+ }
+
+ var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g
+
+ function base64clean (str) {
+ // Node strips out invalid characters like \n and \t from the string, base64-js does not
+ str = stringtrim(str).replace(INVALID_BASE64_RE, '')
+ // Node converts strings with length < 2 to ''
+ if (str.length < 2) return ''
+ // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
+ 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)
+
+ // is surrogate component
+ if (codePoint > 0xD7FF && codePoint < 0xE000) {
+ // last char was a lead
+ if (!leadSurrogate) {
+ // no lead yet
+ if (codePoint > 0xDBFF) {
+ // unexpected trail
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+ continue
+ } else if (i + 1 === length) {
+ // unpaired lead
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+ continue
+ }
+
+ // valid lead
+ leadSurrogate = codePoint
+
+ continue
+ }
+
+ // 2 leads in a row
+ if (codePoint < 0xDC00) {
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+ leadSurrogate = codePoint
+ continue
+ }
+
+ // valid surrogate pair
+ codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
+ } else if (leadSurrogate) {
+ // valid bmp char, but last char was a lead
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+ }
+
+ leadSurrogate = null
+
+ // encode utf8
+ if (codePoint < 0x80) {
+ if ((units -= 1) < 0) break
+ bytes.push(codePoint)
+ } else if (codePoint < 0x800) {
+ if ((units -= 2) < 0) break
+ bytes.push(
+ codePoint >> 0x6 | 0xC0,
+ codePoint & 0x3F | 0x80
+ )
+ } else if (codePoint < 0x10000) {
+ if ((units -= 3) < 0) break
+ bytes.push(
+ codePoint >> 0xC | 0xE0,
+ codePoint >> 0x6 & 0x3F | 0x80,
+ codePoint & 0x3F | 0x80
+ )
+ } else if (codePoint < 0x110000) {
+ if ((units -= 4) < 0) break
+ bytes.push(
+ codePoint >> 0x12 | 0xF0,
+ codePoint >> 0xC & 0x3F | 0x80,
+ codePoint >> 0x6 & 0x3F | 0x80,
+ codePoint & 0x3F | 0x80
+ )
+ } else {
+ throw new Error('Invalid code point')
+ }
+ }
+
+ return bytes
+ }
+
+ function asciiToBytes (str) {
+ var byteArray = []
+ for (var i = 0; i < str.length; i++) {
+ // Node's code seems to be doing this and not & 0x7F..
+ byteArray.push(str.charCodeAt(i) & 0xFF)
+ }
+ 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 base64.toByteArray(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
+ }
+
+ /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(2).Buffer, (function() { return this; }())))
+
+/***/ },
+/* 3 */
+/***/ function(module, exports, __webpack_require__) {
+
+ var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+
+ ;(function (exports) {
+ 'use strict';
+
+ var Arr = (typeof Uint8Array !== 'undefined')
+ ? Uint8Array
+ : Array
+
+ var PLUS = '+'.charCodeAt(0)
+ var SLASH = '/'.charCodeAt(0)
+ var NUMBER = '0'.charCodeAt(0)
+ var LOWER = 'a'.charCodeAt(0)
+ var UPPER = 'A'.charCodeAt(0)
+ var PLUS_URL_SAFE = '-'.charCodeAt(0)
+ var SLASH_URL_SAFE = '_'.charCodeAt(0)
+
+ function decode (elt) {
+ var code = elt.charCodeAt(0)
+ if (code === PLUS ||
+ code === PLUS_URL_SAFE)
+ return 62 // '+'
+ if (code === SLASH ||
+ code === SLASH_URL_SAFE)
+ return 63 // '/'
+ if (code < NUMBER)
+ return -1 //no match
+ if (code < NUMBER + 10)
+ return code - NUMBER + 26 + 26
+ if (code < UPPER + 26)
+ return code - UPPER
+ if (code < LOWER + 26)
+ return code - LOWER + 26
+ }
+
+ function b64ToByteArray (b64) {
+ var i, j, l, tmp, placeHolders, arr
+
+ if (b64.length % 4 > 0) {
+ throw new Error('Invalid string. Length must be a multiple of 4')
+ }
+
+ // the number of equal signs (place holders)
+ // if there are two placeholders, than the two characters before it
+ // represent one byte
+ // if there is only one, then the three characters before it represent 2 bytes
+ // this is just a cheap hack to not do indexOf twice
+ var len = b64.length
+ placeHolders = '=' === b64.charAt(len - 2) ? 2 : '=' === b64.charAt(len - 1) ? 1 : 0
+
+ // base64 is 4/3 + up to two characters of the original data
+ arr = new Arr(b64.length * 3 / 4 - placeHolders)
+
+ // if there are placeholders, only get up to the last complete 4 chars
+ l = placeHolders > 0 ? b64.length - 4 : b64.length
+
+ var L = 0
+
+ function push (v) {
+ arr[L++] = v
+ }
+
+ for (i = 0, j = 0; i < l; i += 4, j += 3) {
+ tmp = (decode(b64.charAt(i)) << 18) | (decode(b64.charAt(i + 1)) << 12) | (decode(b64.charAt(i + 2)) << 6) | decode(b64.charAt(i + 3))
+ push((tmp & 0xFF0000) >> 16)
+ push((tmp & 0xFF00) >> 8)
+ push(tmp & 0xFF)
+ }
+
+ if (placeHolders === 2) {
+ tmp = (decode(b64.charAt(i)) << 2) | (decode(b64.charAt(i + 1)) >> 4)
+ push(tmp & 0xFF)
+ } else if (placeHolders === 1) {
+ tmp = (decode(b64.charAt(i)) << 10) | (decode(b64.charAt(i + 1)) << 4) | (decode(b64.charAt(i + 2)) >> 2)
+ push((tmp >> 8) & 0xFF)
+ push(tmp & 0xFF)
+ }
+
+ return arr
+ }
+
+ function uint8ToBase64 (uint8) {
+ var i,
+ extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes
+ output = "",
+ temp, length
+
+ function encode (num) {
+ return lookup.charAt(num)
+ }
+
+ function tripletToBase64 (num) {
+ return encode(num >> 18 & 0x3F) + encode(num >> 12 & 0x3F) + encode(num >> 6 & 0x3F) + encode(num & 0x3F)
+ }
+
+ // go through the array every three bytes, we'll deal with trailing stuff later
+ for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) {
+ temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])
+ output += tripletToBase64(temp)
+ }
+
+ // pad the end with zeros, but make sure to not forget the extra bytes
+ switch (extraBytes) {
+ case 1:
+ temp = uint8[uint8.length - 1]
+ output += encode(temp >> 2)
+ output += encode((temp << 4) & 0x3F)
+ output += '=='
+ break
+ case 2:
+ temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1])
+ output += encode(temp >> 10)
+ output += encode((temp >> 4) & 0x3F)
+ output += encode((temp << 2) & 0x3F)
+ output += '='
+ break
+ }
+
+ return output
+ }
+
+ exports.toByteArray = b64ToByteArray
+ exports.fromByteArray = uint8ToBase64
+ }( false ? (this.base64js = {}) : exports))
+
+
+/***/ },
+/* 4 */
+/***/ function(module, exports) {
+
+ exports.read = function (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 : 1) * Infinity)
+ } else {
+ m = m + Math.pow(2, mLen)
+ e = e - eBias
+ }
+ return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
+ }
+
+ exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
+ var e, m, c
+ var eLen = nBytes * 8 - mLen - 1
+ var eMax = (1 << eLen) - 1
+ var eBias = eMax >> 1
+ var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
+ var i = isLE ? 0 : (nBytes - 1)
+ var d = isLE ? 1 : -1
+ var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
+
+ value = Math.abs(value)
+
+ if (isNaN(value) || value === Infinity) {
+ m = isNaN(value) ? 1 : 0
+ e = eMax
+ } else {
+ e = Math.floor(Math.log(value) / Math.LN2)
+ if (value * (c = Math.pow(2, -e)) < 1) {
+ e--
+ c *= 2
+ }
+ if (e + eBias >= 1) {
+ value += rt / c
+ } else {
+ value += rt * Math.pow(2, 1 - eBias)
+ }
+ if (value * c >= 2) {
+ e++
+ c /= 2
+ }
+
+ if (e + eBias >= eMax) {
+ m = 0
+ e = eMax
+ } else if (e + eBias >= 1) {
+ m = (value * c - 1) * Math.pow(2, mLen)
+ e = e + eBias
+ } else {
+ m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
+ e = 0
+ }
+ }
+
+ for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+
+ e = (e << mLen) | m
+ eLen += mLen
+ for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+
+ buffer[offset + i - d] |= s * 128
+ }
+
+
+/***/ },
+/* 5 */
+/***/ function(module, exports) {
+
+ var toString = {}.toString;
+
+ module.exports = Array.isArray || function (arr) {
+ return toString.call(arr) == '[object Array]';
+ };
+
+
+/***/ },
+/* 6 */
+/***/ function(module, exports) {
+
+
+
+/***/ },
+/* 7 */
+/***/ function(module, exports, __webpack_require__) {
+
+ /* WEBPACK VAR INJECTION */(function(process) {// Copyright Joyent, Inc. and other Node contributors.
+ //
+ // Permission is hereby granted, free of charge, to any person obtaining a
+ // copy of this software and associated documentation files (the
+ // "Software"), to deal in the Software without restriction, including
+ // without limitation the rights to use, copy, modify, merge, publish,
+ // distribute, sublicense, and/or sell copies of the Software, and to permit
+ // persons to whom the Software is furnished to do so, subject to the
+ // following conditions:
+ //
+ // The above copyright notice and this permission notice shall be included
+ // in all copies or substantial portions of the Software.
+ //
+ // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+ // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ // USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+ // resolves . and .. elements in a path array with directory names there
+ // must be no slashes, empty elements, or device names (c:\) in the array
+ // (so also no leading and trailing slashes - it does not distinguish
+ // relative and absolute paths)
+ function normalizeArray(parts, allowAboveRoot) {
+ // if the path tries to go above the root, `up` ends up > 0
+ 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 the path is allowed to go above the root, restore leading ..s
+ if (allowAboveRoot) {
+ for (; up--; up) {
+ parts.unshift('..');
+ }
+ }
+
+ return parts;
+ }
+
+ // Split a filename into [root, dir, basename, ext], unix version
+ // 'root' is just a slash, or nothing.
+ var splitPathRe =
+ /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
+ var splitPath = function(filename) {
+ return splitPathRe.exec(filename).slice(1);
+ };
+
+ // path.resolve([from ...], to)
+ // posix version
+ exports.resolve = function() {
+ var resolvedPath = '',
+ resolvedAbsolute = false;
+
+ for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
+ var path = (i >= 0) ? arguments[i] : process.cwd();
+
+ // Skip empty and invalid entries
+ if (typeof path !== 'string') {
+ throw new TypeError('Arguments to path.resolve must be strings');
+ } else if (!path) {
+ continue;
+ }
+
+ resolvedPath = path + '/' + resolvedPath;
+ resolvedAbsolute = path.charAt(0) === '/';
+ }
+
+ // At this point the path should be resolved to a full absolute path, but
+ // handle relative paths to be safe (might happen when process.cwd() fails)
+
+ // Normalize the path
+ resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {
+ return !!p;
+ }), !resolvedAbsolute).join('/');
+
+ return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
+ };
+
+ // path.normalize(path)
+ // posix version
+ exports.normalize = function(path) {
+ var isAbsolute = exports.isAbsolute(path),
+ trailingSlash = substr(path, -1) === '/';
+
+ // Normalize the path
+ path = normalizeArray(filter(path.split('/'), function(p) {
+ return !!p;
+ }), !isAbsolute).join('/');
+
+ if (!path && !isAbsolute) {
+ path = '.';
+ }
+ if (path && trailingSlash) {
+ path += '/';
+ }
+
+ return (isAbsolute ? '/' : '') + path;
+ };
+
+ // posix version
+ exports.isAbsolute = function(path) {
+ return path.charAt(0) === '/';
+ };
+
+ // posix version
+ exports.join = function() {
+ var paths = Array.prototype.slice.call(arguments, 0);
+ return exports.normalize(filter(paths, function(p, index) {
+ if (typeof p !== 'string') {
+ throw new TypeError('Arguments to path.join must be strings');
+ }
+ return p;
+ }).join('/'));
+ };
+
+
+ // path.relative(from, to)
+ // posix version
+ exports.relative = function(from, to) {
+ from = exports.resolve(from).substr(1);
+ to = exports.resolve(to).substr(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('/');
+ };
+
+ exports.sep = '/';
+ exports.delimiter = ':';
+
+ exports.dirname = function(path) {
+ var result = splitPath(path),
+ root = result[0],
+ dir = result[1];
+
+ if (!root && !dir) {
+ // No dirname whatsoever
+ return '.';
+ }
+
+ if (dir) {
+ // It has a dirname, strip trailing slash
+ dir = dir.substr(0, dir.length - 1);
+ }
+
+ return root + dir;
+ };
+
+
+ exports.basename = function(path, ext) {
+ var f = splitPath(path)[2];
+ // TODO: make this comparison case-insensitive on windows?
+ if (ext && f.substr(-1 * ext.length) === ext) {
+ f = f.substr(0, f.length - ext.length);
+ }
+ return f;
+ };
+
+
+ exports.extname = function(path) {
+ return splitPath(path)[3];
+ };
+
+ function filter (xs, f) {
+ if (xs.filter) return xs.filter(f);
+ var res = [];
+ for (var i = 0; i < xs.length; i++) {
+ if (f(xs[i], i, xs)) res.push(xs[i]);
+ }
+ return res;
+ }
+
+ // String.prototype.substr - negative index don't work in IE8
+ var substr = 'ab'.substr(-1) === 'b'
+ ? function (str, start, len) { return str.substr(start, len) }
+ : function (str, start, len) {
+ if (start < 0) start = str.length + start;
+ return str.substr(start, len);
+ }
+ ;
+
+ /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(8)))
+
+/***/ },
+/* 8 */
+/***/ function(module, exports) {
+
+ // shim for using process in browser
+
+ var process = module.exports = {};
+ 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 = setTimeout(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;
+ clearTimeout(timeout);
+ }
+
+ process.nextTick = function (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) {
+ setTimeout(drainQueue, 0);
+ }
+ };
+
+ // v8 likes predictible objects
+ function Item(fun, array) {
+ this.fun = fun;
+ this.array = array;
+ }
+ Item.prototype.run = function () {
+ this.fun.apply(null, this.array);
+ };
+ process.title = 'browser';
+ process.browser = true;
+ process.env = {};
+ process.argv = [];
+ process.version = ''; // empty string to avoid regexp issues
+ process.versions = {};
+
+ function noop() {}
+
+ process.on = noop;
+ process.addListener = noop;
+ process.once = noop;
+ process.off = noop;
+ process.removeListener = noop;
+ process.removeAllListeners = noop;
+ process.emit = noop;
+
+ process.binding = function (name) {
+ throw new Error('process.binding is not supported');
+ };
+
+ process.cwd = function () { return '/' };
+ process.chdir = function (dir) {
+ throw new Error('process.chdir is not supported');
+ };
+ process.umask = function() { return 0; };
+
+
+/***/ },
+/* 9 */
+/***/ function(module, exports, __webpack_require__) {
+
+ 'use strict';
+
+ var typeMap = {};
+ var types = __webpack_require__(10);
+
+ types.forEach(function(type) {
+ typeMap[type] = __webpack_require__(11)("./" + type).detect;
+ });
+
+ module.exports = function(buffer, filepath) {
+ var type, result;
+ for (type in typeMap) {
+ if (type in typeMap) {
+ result = typeMap[type](buffer, filepath);
+ if (result) {
+ return type;
+ }
+ }
+ }
+ throw new TypeError('Unsupported type');
+ };
+
+
+/***/ },
+/* 10 */
+/***/ function(module, exports) {
+
+ 'use strict';
+
+ module.exports = [
+ 'bmp',
+ 'gif',
+ 'jpg',
+ 'png',
+ 'tiff',
+ ];
+
+
+/***/ },
+/* 11 */
+/***/ function(module, exports, __webpack_require__) {
+
+ var map = {
+ "./bmp": 12,
+ "./bmp.js": 12,
+ "./gif": 13,
+ "./gif.js": 13,
+ "./jpg": 14,
+ "./jpg.js": 14,
+ "./png": 15,
+ "./png.js": 15,
+ "./psd": 16,
+ "./psd.js": 16,
+ "./svg": 17,
+ "./svg.js": 17,
+ "./tiff": 18,
+ "./tiff.js": 18,
+ "./webp": 20,
+ "./webp.js": 20
+ };
+ function webpackContext(req) {
+ return __webpack_require__(webpackContextResolve(req));
+ };
+ function webpackContextResolve(req) {
+ return map[req] || (function() { throw new Error("Cannot find module '" + req + "'.") }());
+ };
+ webpackContext.keys = function webpackContextKeys() {
+ return Object.keys(map);
+ };
+ webpackContext.resolve = webpackContextResolve;
+ module.exports = webpackContext;
+ webpackContext.id = 11;
+
+
+/***/ },
+/* 12 */
+/***/ function(module, exports) {
+
+ 'use strict';
+
+ function isBMP (buffer) {
+ return ('BM' === buffer.toString('ascii', 0, 2));
+ }
+
+ function calculate (buffer) {
+ return {
+ 'width': buffer.readUInt32LE(18),
+ 'height': buffer.readUInt32LE(22)
+ };
+ }
+
+ module.exports = {
+ 'detect': isBMP,
+ 'calculate': calculate
+ };
+
+
+/***/ },
+/* 13 */
+/***/ function(module, exports) {
+
+ 'use strict';
+
+ var gifRegexp = /^GIF8[7,9]a/;
+ function isGIF (buffer) {
+ var signature = buffer.toString('ascii', 0, 6);
+ return (gifRegexp.test(signature));
+ }
+
+ function calculate(buffer) {
+ return {
+ 'width': buffer.readUInt16LE(6),
+ 'height': buffer.readUInt16LE(8)
+ };
+ }
+
+ module.exports = {
+ 'detect': isGIF,
+ 'calculate': calculate
+ };
+
+/***/ },
+/* 14 */
+/***/ function(module, exports) {
+
+ 'use strict';
+
+ // NOTE: we only support baseline and progressive JPGs here
+ // due to the structure of the loader class, we only get a buffer
+ // with a maximum size of 4096 bytes. so if the SOF marker is outside
+ // if this range we can't detect the file size correctly.
+
+ // TO-DO: handle all JFIFs
+ var validJFIFMarkers = {
+ 'ffdb': '0001010101', // Samsung D807 JPEG
+ 'ffe0': '4a46494600', // Standard JPEG
+ 'ffe1': '4578696600', // Camera JPEG, with EXIF data
+ 'ffe2': '4943435f50', // Canon EOS-1D JPEG
+ 'ffe3': '', // Samsung D500 JPEG
+ 'ffe8': '5350494646', // SPIFF JPEG
+ 'ffec': '4475636b79', // Photoshop JPEG
+ 'ffed': '50686f746f', // Adobe JPEG, Photoshop CMYK buffer
+ 'ffee': '41646f6265' // Adobe JPEG, Unrecognised (Lightroom??)
+ };
+
+ var red = ['\x1B[31m', '\x1B[39m'];
+ function isJPG (buffer) { //, filepath
+ var SOIMarker = buffer.toString('hex', 0, 2);
+ var JFIFMarker = buffer.toString('hex', 2, 4);
+
+ // not a valid jpeg
+ if ('ffd8' !== SOIMarker) {
+ return false;
+ }
+
+ // TO-DO: validate the end-bytes of a jpeg file
+ // use filepath, get the last bytes, check for ffd9
+ var got = buffer.toString('hex', 6, 11);
+ var expected = JFIFMarker && validJFIFMarkers[JFIFMarker];
+ if (expected === '') {
+ console.warn(
+ red[0] +
+ 'this looks like a unrecognised jpeg\n' +
+ 'please report the issue here\n' +
+ red[1],
+ '\thttps://github.com/netroy/image-size/issues/new\n'
+ );
+ return false;
+ }
+ return (got === expected) || (JFIFMarker === 'ffdb');
+ }
+
+ function extractSize (buffer, i) {
+ return {
+ 'height' : buffer.readUInt16BE(i),
+ 'width' : buffer.readUInt16BE(i + 2)
+ };
+ }
+
+ function validateBuffer (buffer, i) {
+ // index should be within buffer limits
+ if (i > buffer.length) {
+ throw new TypeError('Corrupt JPG, exceeded buffer limits');
+ }
+ // Every JPEG block must begin with a 0xFF
+ if (buffer[i] !== 0xFF) {
+ throw new TypeError('Invalid JPG, marker table corrupted');
+ }
+ }
+
+ function calculate (buffer) {
+
+ // Skip 5 chars, they are for signature
+ buffer = buffer.slice(4);
+
+ var i, next;
+ while (buffer.length) {
+ // read length of the next block
+ i = buffer.readUInt16BE(0);
+
+ // ensure correct format
+ validateBuffer(buffer, i);
+
+ // 0xFFC0 is baseline(SOF)
+ // 0xFFC2 is progressive(SOF2)
+ next = buffer[i + 1];
+ if (next === 0xC0 || next === 0xC2) {
+ return extractSize(buffer, i + 5);
+ }
+
+ // move to the next block
+ buffer = buffer.slice(i + 2);
+ }
+
+ throw new TypeError('Invalid JPG, no size found');
+ }
+
+ module.exports = {
+ 'detect': isJPG,
+ 'calculate': calculate
+ };
+
+
+/***/ },
+/* 15 */
+/***/ function(module, exports) {
+
+ 'use strict';
+
+ var pngSignature = 'PNG\r\n\x1a\n';
+ function isPNG (buffer) {
+ if (pngSignature === buffer.toString('ascii', 1, 8)) {
+ if ('IHDR' !== buffer.toString('ascii', 12, 16)) {
+ throw new TypeError('invalid png');
+ }
+ return true;
+ }
+ }
+
+ function calculate (buffer) {
+ return {
+ 'width': buffer.readUInt32BE(16),
+ 'height': buffer.readUInt32BE(20)
+ };
+ }
+
+ module.exports = {
+ 'detect': isPNG,
+ 'calculate': calculate
+ };
+
+
+/***/ },
+/* 16 */
+/***/ function(module, exports) {
+
+ 'use strict';
+
+ function isPSD (buffer) {
+ return ('8BPS' === buffer.toString('ascii', 0, 4));
+ }
+
+ function calculate (buffer) {
+ return {
+ 'width': buffer.readUInt32BE(18),
+ 'height': buffer.readUInt32BE(14)
+ };
+ }
+
+ module.exports = {
+ 'detect': isPSD,
+ 'calculate': calculate
+ };
+
+
+/***/ },
+/* 17 */
+/***/ function(module, exports) {
+
+ 'use strict';
+
+ var svgReg = /<svg[^>]+[^>]*>/;
+ function isSVG (buffer) {
+ return svgReg.test(buffer);
+ }
+
+ var extractorRegExps = {
+ 'root': /<svg [^>]+>/,
+ 'width': /(^|\s)width\s*=\s*"(.+?)"/i,
+ 'height': /(^|\s)height\s*=\s*"(.+?)"/i,
+ 'viewbox': /(^|\s)viewbox\s*=\s*"(.+?)"/i
+ };
+
+ function getRatio (viewbox) {
+ var ratio = 1;
+ if (viewbox && viewbox[2]) {
+ var dim = viewbox[2].split(/\s/g);
+ if (dim.length === 4) {
+ dim = dim.map(function (i) {
+ return parseInt(i, 10);
+ });
+ ratio = (dim[2] - dim[0]) / (dim[3] - dim[1]);
+ }
+ }
+ return ratio;
+ }
+
+ function parse (buffer) {
+ var body = buffer.toString().replace(/[\r\n\s]+/g, ' ');
+ var section = body.match(extractorRegExps.root);
+ var root = section && section[0];
+ if (root) {
+ var width = root.match(extractorRegExps.width);
+ var height = root.match(extractorRegExps.height);
+ var viewbox = root.match(extractorRegExps.viewbox);
+ var ratio = getRatio(viewbox);
+ return {
+ 'width': parseInt(width && width[2], 10) || 0,
+ 'height': parseInt(height && height[2], 10) || 0,
+ 'ratio': ratio
+ };
+ }
+ }
+
+ function calculate (buffer) {
+
+ var parsed = parse(buffer);
+ var width = parsed.width;
+ var height = parsed.height;
+ var ratio = parsed.ratio;
+
+ if (width && height) {
+ return { 'width': width, 'height': height };
+ } else {
+ if (width) {
+ return { 'width': width, 'height': Math.floor(width / ratio) };
+ } else if (height) {
+ return { 'width': Math.floor(height * ratio), 'height': height };
+ } else {
+ throw new TypeError('invalid svg');
+ }
+ }
+ }
+
+ module.exports = {
+ 'detect': isSVG,
+ 'calculate': calculate
+ };
+
+
+/***/ },
+/* 18 */
+/***/ function(module, exports, __webpack_require__) {
+
+ /* WEBPACK VAR INJECTION */(function(Buffer) {'use strict';
+
+ // based on http://www.compix.com/fileformattif.htm
+ // TO-DO: support big-endian as well
+
+ var fs = __webpack_require__(6);
+ var readUInt = __webpack_require__(19);
+
+ function isTIFF (buffer) {
+ var hex4 = buffer.toString('hex', 0, 4);
+ return ('49492a00' === hex4 || '4d4d002a' === hex4);
+ }
+
+ // Read IFD (image-file-directory) into a buffer
+ function readIFD (buffer, filepath, isBigEndian) {
+
+ var ifdOffset = readUInt(buffer, 32, 4, isBigEndian);
+
+ // read only till the end of the file
+ var bufferSize = 1024;
+ var fileSize = fs.statSync(filepath).size;
+ if (ifdOffset + bufferSize > fileSize) {
+ bufferSize = fileSize - ifdOffset - 10;
+ }
+
+ // populate the buffer
+ var endBuffer = new Buffer(bufferSize);
+ var descriptor = fs.openSync(filepath, 'r');
+ fs.readSync(descriptor, endBuffer, 0, bufferSize, ifdOffset);
+
+ // var ifdLength = readUInt(endBuffer, 16, 0, isBigEndian);
+ var ifdBuffer = endBuffer.slice(2); //, 2 + 12 * ifdLength);
+ return ifdBuffer;
+ }
+
+ // TIFF values seem to be messed up on Big-Endian, this helps
+ function readValue (buffer, isBigEndian) {
+ var low = readUInt(buffer, 16, 8, isBigEndian);
+ var high = readUInt(buffer, 16, 10, isBigEndian);
+ return (high << 16) + low;
+ }
+
+ // move to the next tag
+ function nextTag (buffer) {
+ if (buffer.length > 24) {
+ return buffer.slice(12);
+ }
+ }
+
+ // Extract IFD tags from TIFF metadata
+ function extractTags (buffer, isBigEndian) {
+ var tags = {};
+ var code, type, length;
+
+ while (buffer && buffer.length) {
+ code = readUInt(buffer, 16, 0, isBigEndian);
+ type = readUInt(buffer, 16, 2, isBigEndian);
+ length = readUInt(buffer, 32, 4, isBigEndian);
+
+ // 0 means end of IFD
+ if (code === 0) {
+ break;
+ } else {
+ // 256 is width, 257 is height
+ // if (code === 256 || code === 257) {
+ if (length === 1 && type === 3) {
+ tags[code] = readValue(buffer, isBigEndian);
+ }
+
+ // move to the next tag
+ buffer = nextTag(buffer);
+ }
+ }
+ return tags;
+ }
+
+ // Test if the TIFF is Big Endian or Little Endian
+ function determineEndianness (buffer) {
+ var signature = buffer.toString('ascii', 0, 2);
+ if ('II' === signature) {
+ return 'LE';
+ } else if ('MM' === signature) {
+ return 'BE';
+ }
+ }
+
+ function calculate (buffer, filepath) {
+
+ if (!filepath) {
+ throw new TypeError('Tiff doesn\'t support buffer');
+ }
+
+ // Determine BE/LE
+ var isBigEndian = determineEndianness(buffer) === 'BE';
+
+ // read the IFD
+ var ifdBuffer = readIFD(buffer, filepath, isBigEndian);
+
+ // extract the tags from the IFD
+ var tags = extractTags(ifdBuffer, isBigEndian);
+
+ var width = tags[256];
+ var height = tags[257];
+
+ if (!width || !height) {
+ throw new TypeError('Invalid Tiff, missing tags');
+ }
+
+ return {
+ 'width': width,
+ 'height': height
+ };
+ }
+
+ module.exports = {
+ 'detect': isTIFF,
+ 'calculate': calculate
+ };
+
+ /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(2).Buffer))
+
+/***/ },
+/* 19 */
+/***/ function(module, exports) {
+
+ 'use strict';
+
+ module.exports = function(buffer, bits, offset, isBigEndian) {
+ offset = offset || 0;
+ var endian = !!isBigEndian ? 'BE' : 'LE';
+ var method = buffer['readUInt' + bits + endian];
+ return method.call(buffer, offset);
+ }
+
+
+/***/ },
+/* 20 */
+/***/ function(module, exports) {
+
+ 'use strict';
+
+ // based on https://developers.google.com/speed/webp/docs/riff_container
+
+ function isWebP (buffer) {
+ var riffHeader = 'RIFF' === buffer.toString('ascii', 0, 4);
+ var webpHeader = 'WEBP' === buffer.toString('ascii', 8, 12);
+ var vp8Header = 'VP8' === buffer.toString('ascii', 12, 15);
+ return (riffHeader && webpHeader && vp8Header);
+ }
+
+ function calculate (buffer) {
+
+ var chunkHeader = buffer.toString('ascii', 12, 16);
+ buffer = buffer.slice(20, 30);
+
+ // Lossless webp stream signature
+ if (chunkHeader === 'VP8 ' && buffer[0] !== 0x2f) {
+ return calculateLossy(buffer);
+ }
+
+ // Lossy webp stream signature
+ var signature = buffer.toString('hex', 3, 6);
+ if (chunkHeader === 'VP8L' && signature !== '9d012a') {
+ return calculateLossless(buffer);
+ }
+
+ return false;
+ }
+
+ function calculateLossless (buffer) {
+ return {
+ 'width': 1 + (((buffer[2] & 0x3F) << 8) | buffer[1]),
+ 'height': 1 + (((buffer[4] & 0xF) << 10) | (buffer[3] << 2) |
+ ((buffer[2] & 0xC0) >> 6))
+ };
+ }
+
+ function calculateLossy (buffer) {
+ // `& 0x3fff` returns the last 14 bits
+ // TO-DO: include webp scaling in the calculations
+ return {
+ 'width': buffer.readInt16LE(6) & 0x3fff,
+ 'height': buffer.readInt16LE(8) & 0x3fff
+ };
+ }
+
+ module.exports = {
+ 'detect': isWebP,
+ 'calculate': calculate
+ };
+
+
+/***/ },
+/* 21 */
+/***/ function(module, exports) {
+
+ // Parse image size
+ //
+ 'use strict';
+
+ function parseNextNumber(str, pos, max) {
+ var code,
+ start = pos,
+ result = {
+ ok: false,
+ pos: pos,
+ value: ''
+ };
+
+ code = str.charCodeAt(pos);
+
+ while (pos < max && (code >= 0x30 /* 0 */ && code <= 0x39 /* 9 */) || code === 0x25 /* % */) {
+ code = str.charCodeAt(++pos);
+ }
+
+ result.ok = true;
+ result.pos = pos;
+ result.value = str.slice(start, pos);
+
+ return result;
+ }
+
+ module.exports = function parseImageSize(str, pos, max) {
+ var code,
+ result = {
+ ok: false,
+ pos: 0,
+ width: '',
+ height: ''
+ };
+
+ if (pos >= max) { return result; }
+
+ code = str.charCodeAt(pos);
+
+ if (code !== 0x3d /* = */) { return result; }
+
+ pos++;
+
+ // size must follow = without any white spaces as follows
+ // (1) =300x200
+ // (2) =300x
+ // (3) =x200
+ code = str.charCodeAt(pos);
+ if (code !== 0x78 /* x */ && (code < 0x30 || code > 0x39) /* [0-9] */) {
+ return result;
+ }
+
+ // parse width
+ var resultW = parseNextNumber(str, pos, max);
+ pos = resultW.pos;
+
+ // next charactor must be 'x'
+ code = str.charCodeAt(pos);
+ if (code !== 0x78 /* x */) { return result; }
+
+ pos++;
+
+ // parse height
+ var resultH = parseNextNumber(str, pos, max);
+ pos = resultH.pos;
+
+ result.width = resultW.value;
+ result.height = resultH.value;
+ result.pos = pos;
+ result.ok = true;
+ return result;
+ };
+
+
+/***/ }
+/******/ ]); \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 07:30:19 +0000