diff --git a/public/js/extra.js b/public/js/extra.js index a4eed8795..614335284 100644 --- a/public/js/extra.js +++ b/public/js/extra.js @@ -903,7 +903,7 @@ md.use(require('markdown-it-mark')); md.use(require('markdown-it-ins')); md.use(require('markdown-it-sub')); md.use(require('markdown-it-sup')); -md.use(require('../vendor/markdown-it-mathjax')); +md.use(require('markdown-it-mathjax')); md.use(require('markdown-it-imsize')); md.use(require('markdown-it-emoji'), { @@ -980,7 +980,7 @@ md.renderer.rules.fence = function (tokens, idx, options, env, self) { }; /* Defined regex markdown it plugins */ -require('script!../vendor/markdown-it-regexp'); +var Plugin = require('markdown-it-regexp'); //youtube var youtubePlugin = new Plugin( diff --git a/public/vendor/markdown-it-imsize.js b/public/vendor/markdown-it-imsize.js deleted file mode 100644 index c0f3ca08e..000000000 --- a/public/vendor/markdown-it-imsize.js +++ /dev/null @@ -1,3116 +0,0 @@ -//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]( "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]( "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]( "title" ) - // ^^ skipping these spaces - start = pos; - for (; pos < max; pos++) { - code = state.src.charCodeAt(pos); - if (code !== 0x20 && code !== 0x0A) { break; } - } - - // [link]( "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]( "title" ) - // ^^ skipping these spaces - for (; pos < max; pos++) { - code = state.src.charCodeAt(pos); - if (code !== 0x20 && code !== 0x0A) { break; } - } - } else { - title = ''; - } - - // [link]( "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]( "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 - * @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.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 = /]+[^>]*>/; - function isSVG (buffer) { - return svgReg.test(buffer); - } - - var extractorRegExps = { - 'root': /]+>/, - '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 diff --git a/public/vendor/markdown-it-mathjax.js b/public/vendor/markdown-it-mathjax.js deleted file mode 100644 index 299e483b7..000000000 --- a/public/vendor/markdown-it-mathjax.js +++ /dev/null @@ -1,126 +0,0 @@ -// modified from https://github.com/classeur/markdown-it-mathjax - -(function(root, factory) { - if (typeof exports === 'object') { - module.exports = factory() - } else { - root.markdownitMathjax = factory() - } -})(this, function() { - function math(state, silent) { - if (state.md.meta.mathjax === false) { - return false - } - var startMathPos = state.pos - if (state.src.charCodeAt(startMathPos) !== 0x5C /* \ */) { - return false - } - var match = state.src.slice(++startMathPos).match(/^(?:\\\[|\\\(|begin\{([^}]*)\})/) - if (!match) { - return false - } - startMathPos += match[0].length - var type, endMarker, includeMarkers - if (match[0] === '\\[') { - type = 'display_math' - endMarker = '\\\\]' - } else if (match[0] === '\\(') { - type = 'inline_math' - endMarker = '\\\\)' - } else if (match[1]) { - type = 'math' - endMarker = '\\end{' + match[1] + '}' - includeMarkers = true - } - var endMarkerPos = state.src.indexOf(endMarker, startMathPos) - if (endMarkerPos === -1) { - return false - } - var nextPos = endMarkerPos + endMarker.length - if (!silent) { - var token = state.push(type + '_open', 'span', 1); - token.attrs = [ ['class', 'mathjax raw'] ]; - token = state.push(type, '', 0); - token.content = includeMarkers ? - state.src.slice(state.pos, nextPos) : state.src.slice(startMathPos, endMarkerPos) - token = state.push(type + '_close', 'span', -1); - } - state.pos = nextPos - return true - } - - function texMath(state, silent) { - if (state.md.meta.mathjax === false) { - return false - } - var startMathPos = state.pos - if (state.src.charCodeAt(startMathPos) !== 0x24 /* $ */) { - return false - } - - // Parse tex math according to http://pandoc.org/README.html#math - var endMarker = '$' - var afterStartMarker = state.src.charCodeAt(++startMathPos) - if (afterStartMarker === 0x24 /* $ */) { - endMarker = '$$' - if (state.src.charCodeAt(++startMathPos) === 0x24 /* $ */) { - // 3 markers are too much - return false - } - } else { - // Skip if opening $ is succeeded by a space character - if (afterStartMarker === 0x20 /* space */ || afterStartMarker === 0x09 /* \t */ || afterStartMarker === 0x0a /* \n */) { - return false - } - } - var endMarkerPos = state.src.indexOf(endMarker, startMathPos) - if (endMarkerPos === -1) { - return false - } - if (state.src.charCodeAt(endMarkerPos - 1) === 0x5C /* \ */) { - return false - } - var nextPos = endMarkerPos + endMarker.length - if (endMarker.length === 1) { - // Skip if $ is preceded by a space character - var beforeEndMarker = state.src.charCodeAt(endMarkerPos - 1) - if (beforeEndMarker === 0x20 /* space */ || beforeEndMarker === 0x09 /* \t */ || beforeEndMarker === 0x0a /* \n */) { - return false - } - // Skip if closing $ is succeeded by a digit (eg $5 $10 ...) - var suffix = state.src.charCodeAt(nextPos) - if (suffix >= 0x30 && suffix < 0x3A) { - return false - } - } - - if (!silent) { - var type = endMarker.length === 1 ? 'inline_math' : 'display_math'; - var token = state.push(type + '_open', 'span', 1) - token.attrs = [ ['class', 'mathjax raw'] ] - token = state.push(type, '', 0); - token.content = state.src.slice(startMathPos, endMarkerPos); - token = state.push(type + '_close', 'span', -1); - } - state.pos = nextPos - return true - } - - function escapeHtml(html) { - return html.replace(/&/g, '&').replace(//g, '>') -} - -Object.setPrototypeOf = Object.setPrototypeOf || function (obj, proto) { - if (!isIE9()) { - obj.__proto__ = proto; - } else { - /** IE9 fix - copy object methods from the protype to the new object **/ - for (var prop in proto) { - obj[prop] = proto[prop]; - } - } - - return obj; -}; - -var isIE9 = function() { - return navigator.appVersion.indexOf("MSIE") > 0; -}; - -/** - * Counter for multi usage. - */ -var counter = 0 - -/** - * Constructor function - */ - -function Plugin(regexp, replacer) { - // return value should be a callable function - // with strictly defined options passed by markdown-it - var self = function (md, options) { - self.options = options - self.init(md) - } - - // initialize plugin object - Object.setPrototypeOf(self, Plugin.prototype) - - // clone regexp with all the flags - var flags = (regexp.global ? 'g' : '') - + (regexp.multiline ? 'm' : '') - + (regexp.ignoreCase ? 'i' : '') - - self.regexp = RegExp('^' + regexp.source, flags) - - // copy init options - self.replacer = replacer - - // this plugin can be inserted multiple times, - // so we're generating unique name for it - self.id = 'regexp-' + counter - counter++ - - return self -} - -inherits(Plugin, Function) - -// function that registers plugin with markdown-it -Plugin.prototype.init = function (md) { - md.inline.ruler.push(this.id, this.parse.bind(this)) - - md.renderer.rules[this.id] = this.render.bind(this) -} - -Plugin.prototype.parse = function (state, silent) { - // slowwww... maybe use an advanced regexp engine for this - var match = this.regexp.exec(state.src.slice(state.pos)) - if (!match) return false - - // valid match found, now we need to advance cursor - state.pos += match[0].length - - // don't insert any tokens in silent mode - if (silent) return true - - var token = state.push(this.id, '', 0) - token.meta = { match: match } - - return true -} - -Plugin.prototype.render = function (tokens, id, options, env) { - return this.replacer(tokens[id].meta.match, stuff) -}