/******/ (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__) { /* global AFRAME, THREE */ if (typeof AFRAME === 'undefined') { throw new Error('Component attempted to register before AFRAME was available.'); } var createText = __webpack_require__(1); var loadFont = __webpack_require__(17); var SDFShader = __webpack_require__(35); __webpack_require__(36); // Register experimental text primitive /** * bmfont text component for A-Frame. */ AFRAME.registerComponent('bmfont-text', { schema: { text: { type: 'string' }, width: { type: 'number', default: 1000 }, align: { type: 'string', default: 'left' }, letterSpacing: { type: 'number', default: 0 }, lineHeight: { type: 'number', default: 38 }, fnt: { type: 'string', default: 'https://cdn.rawgit.com/bryik/aframe-bmfont-text-component/aa0655cf90f646e12c40ab4708ea90b4686cfb45/assets/DejaVu-sdf.fnt' }, fntImage: { type: 'string', default: 'https://cdn.rawgit.com/bryik/aframe-bmfont-text-component/aa0655cf90f646e12c40ab4708ea90b4686cfb45/assets/DejaVu-sdf.png' }, mode: { type: 'string', default: 'normal' }, color: { type: 'color', default: '#000' }, opacity: { type: 'number', default: '1.0' } }, /** * Called when component is attached and when component data changes. * Generally modifies the entity based on the data. */ update: function (oldData) { // Entity data var el = this.el; var data = this.data; // Use fontLoader utility to load 'fnt' and texture fontLoader({ font: data.fnt, image: data.fntImage }, start); function start (font, texture) { // Setup texture, should set anisotropy to user maximum... texture.needsUpdate = true; texture.anisotropy = 16; var options = { font: font, // the bitmap font definition text: data.text, // the string to render width: data.width, align: data.align, letterSpacing: data.letterSpacing, lineHeight: data.lineHeight, mode: data.mode }; // Create text geometry var geometry = createText(options); // Use './lib/shaders/sdf' to help build a shader material var material = new THREE.RawShaderMaterial(SDFShader({ map: texture, side: THREE.DoubleSide, transparent: true, color: data.color, opacity: data.opacity })); var text = new THREE.Mesh(geometry, material); // Rotate so text faces the camera text.rotation.y = Math.PI; // Scale text down text.scale.multiplyScalar(-0.005); // Register text mesh under entity's object3DMap el.setObject3D('bmfont-text', text); } }, /** * Called when a component is removed (e.g., via removeAttribute). * Generally undoes all modifications to the entity. */ remove: function () { this.el.removeObject3D('bmfont-text'); } }); /** * A utility to load a font with bmfont-load * and a texture with Three.TextureLoader() */ function fontLoader (opt, cb) { loadFont(opt.font, function (err, font) { if (err) { throw err; } var textureLoader = new THREE.TextureLoader(); textureLoader.load(opt.image, function (texture) { cb(font, texture); }); }); } /***/ }, /* 1 */ /***/ function(module, exports, __webpack_require__) { var createLayout = __webpack_require__(2) var inherits = __webpack_require__(7) var createIndices = __webpack_require__(8) var buffer = __webpack_require__(12) var assign = __webpack_require__(14) var vertices = __webpack_require__(15) var utils = __webpack_require__(16) var Base = THREE.BufferGeometry module.exports = function createTextGeometry (opt) { return new TextGeometry(opt) } function TextGeometry (opt) { Base.call(this) if (typeof opt === 'string') { opt = { text: opt } } // use these as default values for any subsequent // calls to update() this._opt = assign({}, opt) // also do an initial setup... if (opt) this.update(opt) } inherits(TextGeometry, Base) TextGeometry.prototype.update = function (opt) { if (typeof opt === 'string') { opt = { text: opt } } // use constructor defaults opt = assign({}, this._opt, opt) if (!opt.font) { throw new TypeError('must specify a { font } in options') } this.layout = createLayout(opt) // get vec2 texcoords var flipY = opt.flipY !== false // the desired BMFont data var font = opt.font // determine texture size from font file var texWidth = font.common.scaleW var texHeight = font.common.scaleH // get visible glyphs var glyphs = this.layout.glyphs.filter(function (glyph) { var bitmap = glyph.data return bitmap.width * bitmap.height > 0 }) // provide visible glyphs for convenience this.visibleGlyphs = glyphs // get common vertex data var positions = vertices.positions(glyphs) var uvs = vertices.uvs(glyphs, texWidth, texHeight, flipY) var indices = createIndices({ clockwise: true, type: 'uint16', count: glyphs.length }) // update vertex data buffer.index(this, indices, 1, 'uint16') buffer.attr(this, 'position', positions, 2) buffer.attr(this, 'uv', uvs, 2) // update multipage data if (!opt.multipage && 'page' in this.attributes) { // disable multipage rendering this.removeAttribute('page') } else if (opt.multipage) { var pages = vertices.pages(glyphs) // enable multipage rendering buffer.attr(this, 'page', pages, 1) } } TextGeometry.prototype.computeBoundingSphere = function () { if (this.boundingSphere === null) { this.boundingSphere = new THREE.Sphere() } var positions = this.attributes.position.array var itemSize = this.attributes.position.itemSize if (!positions || !itemSize || positions.length < 2) { this.boundingSphere.radius = 0 this.boundingSphere.center.set(0, 0, 0) return } utils.computeSphere(positions, this.boundingSphere) if (isNaN(this.boundingSphere.radius)) { console.error('THREE.BufferGeometry.computeBoundingSphere(): ' + 'Computed radius is NaN. The ' + '"position" attribute is likely to have NaN values.') } } TextGeometry.prototype.computeBoundingBox = function () { if (this.boundingBox === null) { this.boundingBox = new THREE.Box3() } var bbox = this.boundingBox var positions = this.attributes.position.array var itemSize = this.attributes.position.itemSize if (!positions || !itemSize || positions.length < 2) { bbox.makeEmpty() return } utils.computeBox(positions, bbox) } /***/ }, /* 2 */ /***/ function(module, exports, __webpack_require__) { var wordWrap = __webpack_require__(3) var xtend = __webpack_require__(4) var findChar = __webpack_require__(5)('id') var number = __webpack_require__(6) var X_HEIGHTS = ['x', 'e', 'a', 'o', 'n', 's', 'r', 'c', 'u', 'm', 'v', 'w', 'z'] var M_WIDTHS = ['m', 'w'] var CAP_HEIGHTS = ['H', 'I', 'N', 'E', 'F', 'K', 'L', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'] var TAB_ID = '\t'.charCodeAt(0) var SPACE_ID = ' '.charCodeAt(0) var ALIGN_LEFT = 0, ALIGN_CENTER = 1, ALIGN_RIGHT = 2 module.exports = function createLayout(opt) { return new TextLayout(opt) } function TextLayout(opt) { this.glyphs = [] this._measure = this.computeMetrics.bind(this) this.update(opt) } TextLayout.prototype.update = function(opt) { opt = xtend({ measure: this._measure }, opt) this._opt = opt this._opt.tabSize = number(this._opt.tabSize, 4) if (!opt.font) throw new Error('must provide a valid bitmap font') var glyphs = this.glyphs var text = opt.text||'' var font = opt.font this._setupSpaceGlyphs(font) var lines = wordWrap.lines(text, opt) var minWidth = opt.width || 0 //clear glyphs glyphs.length = 0 //get max line width var maxLineWidth = lines.reduce(function(prev, line) { return Math.max(prev, line.width, minWidth) }, 0) //the pen position var x = 0 var y = 0 var lineHeight = number(opt.lineHeight, font.common.lineHeight) var baseline = font.common.base var descender = lineHeight-baseline var letterSpacing = opt.letterSpacing || 0 var height = lineHeight * lines.length - descender var align = getAlignType(this._opt.align) //draw text along baseline y -= height //the metrics for this text layout this._width = maxLineWidth this._height = height this._descender = lineHeight - baseline this._baseline = baseline this._xHeight = getXHeight(font) this._capHeight = getCapHeight(font) this._lineHeight = lineHeight this._ascender = lineHeight - descender - this._xHeight //layout each glyph var self = this lines.forEach(function(line, lineIndex) { var start = line.start var end = line.end var lineWidth = line.width var lastGlyph //for each glyph in that line... for (var i=start; i= width || nextPen >= width) break //otherwise continue along our line curPen = nextPen curWidth = nextWidth lastGlyph = glyph } count++ } //make sure rightmost edge lines up with rendered glyphs if (lastGlyph) curWidth += lastGlyph.xoffset return { start: start, end: start + count, width: curWidth } } //getters for the private vars ;['width', 'height', 'descender', 'ascender', 'xHeight', 'baseline', 'capHeight', 'lineHeight' ].forEach(addGetter) function addGetter(name) { Object.defineProperty(TextLayout.prototype, name, { get: wrapper(name), configurable: true }) } //create lookups for private vars function wrapper(name) { return (new Function([ 'return function '+name+'() {', ' return this._'+name, '}' ].join('\n')))() } function getGlyphById(font, id) { if (!font.chars || font.chars.length === 0) return null var glyphIdx = findChar(font.chars, id) if (glyphIdx >= 0) return font.chars[glyphIdx] return null } function getXHeight(font) { for (var i=0; i= 0) return font.chars[idx].height } return 0 } function getMGlyph(font) { for (var i=0; i= 0) return font.chars[idx] } return 0 } function getCapHeight(font) { for (var i=0; i= 0) return font.chars[idx].height } return 0 } function getKerning(font, left, right) { if (!font.kernings || font.kernings.length === 0) return 0 var table = font.kernings for (var i=0; i end) return end return idx } function isWhitespace(chr) { return whitespace.test(chr) } function pre(measure, text, start, end, width) { var lines = [] var lineStart = start for (var i=start; i start) { if (isWhitespace(text.charAt(lineEnd))) break lineEnd-- } if (lineEnd === start) { if (nextStart > start + newlineChar.length) nextStart-- lineEnd = nextStart // If no characters to break, show all. } else { nextStart = lineEnd //eat whitespace at end of line while (lineEnd > start) { if (!isWhitespace(text.charAt(lineEnd - newlineChar.length))) break lineEnd-- } } } if (lineEnd >= start) { var result = measure(text, start, lineEnd, testWidth) lines.push(result) } start = nextStart } return lines } //determines the visible number of glyphs within a given width function monospace(text, start, end, width) { var glyphs = Math.min(width, end-start) return { start: start, end: start+glyphs } } /***/ }, /* 4 */ /***/ function(module, exports) { module.exports = extend var hasOwnProperty = Object.prototype.hasOwnProperty; function extend() { var target = {} for (var i = 0; i < arguments.length; i++) { var source = arguments[i] for (var key in source) { if (hasOwnProperty.call(source, key)) { target[key] = source[key] } } } return target } /***/ }, /* 5 */ /***/ function(module, exports) { module.exports = function compile(property) { if (!property || typeof property !== 'string') throw new Error('must specify property for indexof search') return new Function('array', 'value', 'start', [ 'start = start || 0', 'for (var i=start; i * @license MIT */ // The _isBuffer check is for Safari 5-7 support, because it's missing // Object.prototype.constructor. Remove this eventually module.exports = function (obj) { return obj != null && (isBuffer(obj) || isSlowBuffer(obj) || !!obj._isBuffer) } function isBuffer (obj) { return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj) } // For Node v0.10 support. Remove this eventually. function isSlowBuffer (obj) { return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0)) } /***/ }, /* 12 */ /***/ function(module, exports, __webpack_require__) { var flatten = __webpack_require__(13) module.exports.attr = setAttribute module.exports.index = setIndex function setIndex (geometry, data, itemSize, dtype) { if (typeof itemSize !== 'number') itemSize = 1 if (typeof dtype !== 'string') dtype = 'uint16' var isR69 = !geometry.index && typeof geometry.setIndex !== 'function' var attrib = isR69 ? geometry.getAttribute('index') : geometry.index var newAttrib = updateAttribute(attrib, data, itemSize, dtype) if (newAttrib) { if (isR69) geometry.addAttribute('index', newAttrib) else geometry.index = newAttrib } } function setAttribute (geometry, key, data, itemSize, dtype) { if (typeof itemSize !== 'number') itemSize = 3 if (typeof dtype !== 'string') dtype = 'float32' if (Array.isArray(data) && Array.isArray(data[0]) && data[0].length !== itemSize) { throw new Error('Nested vertex array has unexpected size; expected ' + itemSize + ' but found ' + data[0].length) } var attrib = geometry.getAttribute(key) var newAttrib = updateAttribute(attrib, data, itemSize, dtype) if (newAttrib) { geometry.addAttribute(key, newAttrib) } } function updateAttribute (attrib, data, itemSize, dtype) { data = data || [] if (!attrib || rebuildAttribute(attrib, data, itemSize)) { // create a new array with desired type data = flatten(data, dtype) attrib = new THREE.BufferAttribute(data, itemSize) attrib.needsUpdate = true return attrib } else { // copy data into the existing array flatten(data, attrib.array) attrib.needsUpdate = true return null } } // Test whether the attribute needs to be re-created, // returns false if we can re-use it as-is. function rebuildAttribute (attrib, data, itemSize) { if (attrib.itemSize !== itemSize) return true if (!attrib.array) return true var attribLength = attrib.array.length if (Array.isArray(data) && Array.isArray(data[0])) { // [ [ x, y, z ] ] return attribLength !== data.length * itemSize } else { // [ x, y, z ] return attribLength !== data.length } return false } /***/ }, /* 13 */ /***/ function(module, exports, __webpack_require__) { /*eslint new-cap:0*/ var dtype = __webpack_require__(9) module.exports = flattenVertexData function flattenVertexData (data, output, offset) { if (!data) throw new TypeError('must specify data as first parameter') offset = +(offset || 0) | 0 if (Array.isArray(data) && Array.isArray(data[0])) { var dim = data[0].length var length = data.length * dim // no output specified, create a new typed array if (!output || typeof output === 'string') { output = new (dtype(output || 'float32'))(length + offset) } var dstLength = output.length - offset if (length !== dstLength) { throw new Error('source length ' + length + ' (' + dim + 'x' + data.length + ')' + ' does not match destination length ' + dstLength) } for (var i = 0, k = offset; i < data.length; i++) { for (var j = 0; j < dim; j++) { output[k++] = data[i][j] } } } else { if (!output || typeof output === 'string') { // no output, create a new one var Ctor = dtype(output || 'float32') if (offset === 0) { output = new Ctor(data) } else { output = new Ctor(data.length + offset) output.set(data, offset) } } else { // store output in existing array output.set(data, offset) } } return output } /***/ }, /* 14 */ /***/ function(module, exports) { 'use strict'; /* eslint-disable no-unused-vars */ var hasOwnProperty = Object.prototype.hasOwnProperty; var propIsEnumerable = Object.prototype.propertyIsEnumerable; function toObject(val) { if (val === null || val === undefined) { throw new TypeError('Object.assign cannot be called with null or undefined'); } return Object(val); } function shouldUseNative() { try { if (!Object.assign) { return false; } // Detect buggy property enumeration order in older V8 versions. // https://bugs.chromium.org/p/v8/issues/detail?id=4118 var test1 = new String('abc'); // eslint-disable-line test1[5] = 'de'; if (Object.getOwnPropertyNames(test1)[0] === '5') { return false; } // https://bugs.chromium.org/p/v8/issues/detail?id=3056 var test2 = {}; for (var i = 0; i < 10; i++) { test2['_' + String.fromCharCode(i)] = i; } var order2 = Object.getOwnPropertyNames(test2).map(function (n) { return test2[n]; }); if (order2.join('') !== '0123456789') { return false; } // https://bugs.chromium.org/p/v8/issues/detail?id=3056 var test3 = {}; 'abcdefghijklmnopqrst'.split('').forEach(function (letter) { test3[letter] = letter; }); if (Object.keys(Object.assign({}, test3)).join('') !== 'abcdefghijklmnopqrst') { return false; } return true; } catch (e) { // We don't expect any of the above to throw, but better to be safe. return false; } } module.exports = shouldUseNative() ? Object.assign : function (target, source) { var from; var to = toObject(target); var symbols; for (var s = 1; s < arguments.length; s++) { from = Object(arguments[s]); for (var key in from) { if (hasOwnProperty.call(from, key)) { to[key] = from[key]; } } if (Object.getOwnPropertySymbols) { symbols = Object.getOwnPropertySymbols(from); for (var i = 0; i < symbols.length; i++) { if (propIsEnumerable.call(from, symbols[i])) { to[symbols[i]] = from[symbols[i]]; } } } } return to; }; /***/ }, /* 15 */ /***/ function(module, exports) { module.exports.pages = function pages (glyphs) { var pages = new Float32Array(glyphs.length * 4 * 1) var i = 0 glyphs.forEach(function (glyph) { var id = glyph.data.page || 0 pages[i++] = id pages[i++] = id pages[i++] = id pages[i++] = id }) return pages } module.exports.uvs = function uvs (glyphs, texWidth, texHeight, flipY) { var uvs = new Float32Array(glyphs.length * 4 * 2) var i = 0 glyphs.forEach(function (glyph) { var bitmap = glyph.data var bw = (bitmap.x + bitmap.width) var bh = (bitmap.y + bitmap.height) // top left position var u0 = bitmap.x / texWidth var v1 = bitmap.y / texHeight var u1 = bw / texWidth var v0 = bh / texHeight if (flipY) { v1 = (texHeight - bitmap.y) / texHeight v0 = (texHeight - bh) / texHeight } // BL uvs[i++] = u0 uvs[i++] = v1 // TL uvs[i++] = u0 uvs[i++] = v0 // TR uvs[i++] = u1 uvs[i++] = v0 // BR uvs[i++] = u1 uvs[i++] = v1 }) return uvs } module.exports.positions = function positions (glyphs) { var positions = new Float32Array(glyphs.length * 4 * 2) var i = 0 glyphs.forEach(function (glyph) { var bitmap = glyph.data // bottom left position var x = glyph.position[0] + bitmap.xoffset var y = glyph.position[1] + bitmap.yoffset // quad size var w = bitmap.width var h = bitmap.height // BL positions[i++] = x positions[i++] = y // TL positions[i++] = x positions[i++] = y + h // TR positions[i++] = x + w positions[i++] = y + h // BR positions[i++] = x + w positions[i++] = y }) return positions } /***/ }, /* 16 */ /***/ function(module, exports) { var itemSize = 2 var box = { min: [0, 0], max: [0, 0] } function bounds (positions) { var count = positions.length / itemSize box.min[0] = positions[0] box.min[1] = positions[1] box.max[0] = positions[0] box.max[1] = positions[1] for (var i = 0; i < count; i++) { var x = positions[i * itemSize + 0] var y = positions[i * itemSize + 1] box.min[0] = Math.min(x, box.min[0]) box.min[1] = Math.min(y, box.min[1]) box.max[0] = Math.max(x, box.max[0]) box.max[1] = Math.max(y, box.max[1]) } } module.exports.computeBox = function (positions, output) { bounds(positions) output.min.set(box.min[0], box.min[1], 0) output.max.set(box.max[0], box.max[1], 0) } module.exports.computeSphere = function (positions, output) { bounds(positions) var minX = box.min[0] var minY = box.min[1] var maxX = box.max[0] var maxY = box.max[1] var width = maxX - minX var height = maxY - minY var length = Math.sqrt(width * width + height * height) output.center.set(minX + width / 2, minY + height / 2, 0) output.radius = length / 2 } /***/ }, /* 17 */ /***/ function(module, exports, __webpack_require__) { /* WEBPACK VAR INJECTION */(function(Buffer) {var xhr = __webpack_require__(22) var noop = function(){} var parseASCII = __webpack_require__(28) var parseXML = __webpack_require__(29) var readBinary = __webpack_require__(32) var isBinaryFormat = __webpack_require__(33) var xtend = __webpack_require__(4) var xml2 = (function hasXML2() { return window.XMLHttpRequest && "withCredentials" in new XMLHttpRequest })() module.exports = function(opt, cb) { cb = typeof cb === 'function' ? cb : noop if (typeof opt === 'string') opt = { uri: opt } else if (!opt) opt = {} var expectBinary = opt.binary if (expectBinary) opt = getBinaryOpts(opt) xhr(opt, function(err, res, body) { if (err) return cb(err) if (!/^2/.test(res.statusCode)) return cb(new Error('http status code: '+res.statusCode)) if (!body) return cb(new Error('no body result')) var binary = false //if the response type is an array buffer, //we need to convert it into a regular Buffer object if (isArrayBuffer(body)) { var array = new Uint8Array(body) body = new Buffer(array, 'binary') } //now check the string/Buffer response //and see if it has a binary BMF header if (isBinaryFormat(body)) { binary = true //if we have a string, turn it into a Buffer if (typeof body === 'string') body = new Buffer(body, 'binary') } //we are not parsing a binary format, just ASCII/XML/etc if (!binary) { //might still be a buffer if responseType is 'arraybuffer' if (Buffer.isBuffer(body)) body = body.toString(opt.encoding) body = body.trim() } var result try { var type = res.headers['content-type'] if (binary) result = readBinary(body) else if (/json/.test(type) || body.charAt(0) === '{') result = JSON.parse(body) else if (/xml/.test(type) || body.charAt(0) === '<') result = parseXML(body) else result = parseASCII(body) } catch (e) { cb(new Error('error parsing font '+e.message)) cb = noop } cb(null, result) }) } function isArrayBuffer(arr) { var str = Object.prototype.toString return str.call(arr) === '[object ArrayBuffer]' } function getBinaryOpts(opt) { //IE10+ and other modern browsers support array buffers if (xml2) return xtend(opt, { responseType: 'arraybuffer' }) if (typeof window.XMLHttpRequest === 'undefined') throw new Error('your browser does not support XHR loading') //IE9 and XML1 browsers could still use an override var req = new window.XMLHttpRequest() req.overrideMimeType('text/plain; charset=x-user-defined') return xtend({ xhr: req }, opt) } /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(18).Buffer)) /***/ }, /* 18 */ /***/ 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__(19) var ieee754 = __webpack_require__(20) var isArray = __webpack_require__(21) exports.Buffer = Buffer exports.SlowBuffer = SlowBuffer exports.INSPECT_MAX_BYTES = 50 /** * 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. * * - 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() /* * Export kMaxLength after typed array support is determined. */ exports.kMaxLength = kMaxLength() function typedArraySupport () { try { var arr = new Uint8Array(1) arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }} return arr.foo() === 42 && // typed array instances can be augmented 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 } function createBuffer (that, length) { if (kMaxLength() < length) { throw new RangeError('Invalid typed array length') } if (Buffer.TYPED_ARRAY_SUPPORT) { // Return an augmented `Uint8Array` instance, for best performance that = new Uint8Array(length) that.__proto__ = Buffer.prototype } else { // Fallback: Return an object instance of the Buffer class if (that === null) { that = new Buffer(length) } that.length = length } return that } /** * The Buffer constructor returns instances of `Uint8Array` that have their * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of * `Uint8Array`, so the returned instances will have all the node `Buffer` methods * and the `Uint8Array` methods. Square bracket notation works as expected -- it * returns a single octet. * * The `Uint8Array` prototype remains unmodified. */ function Buffer (arg, encodingOrOffset, length) { if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) { return new Buffer(arg, encodingOrOffset, length) } // Common case. if (typeof arg === 'number') { if (typeof encodingOrOffset === 'string') { throw new Error( 'If encoding is specified then the first argument must be a string' ) } return allocUnsafe(this, arg) } return from(this, arg, encodingOrOffset, length) } Buffer.poolSize = 8192 // not used by this implementation // TODO: Legacy, not needed anymore. Remove in next major version. Buffer._augment = function (arr) { arr.__proto__ = Buffer.prototype return arr } function from (that, value, encodingOrOffset, length) { if (typeof value === 'number') { throw new TypeError('"value" argument must not be a number') } if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) { return fromArrayBuffer(that, value, encodingOrOffset, length) } if (typeof value === 'string') { return fromString(that, value, encodingOrOffset) } return fromObject(that, value) } /** * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError * if value is a number. * Buffer.from(str[, encoding]) * Buffer.from(array) * Buffer.from(buffer) * Buffer.from(arrayBuffer[, byteOffset[, length]]) **/ Buffer.from = function (value, encodingOrOffset, length) { return from(null, value, encodingOrOffset, length) } if (Buffer.TYPED_ARRAY_SUPPORT) { Buffer.prototype.__proto__ = Uint8Array.prototype Buffer.__proto__ = Uint8Array if (typeof Symbol !== 'undefined' && Symbol.species && Buffer[Symbol.species] === Buffer) { // Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97 Object.defineProperty(Buffer, Symbol.species, { value: null, configurable: true }) } } function assertSize (size) { if (typeof size !== 'number') { throw new TypeError('"size" argument must be a number') } else if (size < 0) { throw new RangeError('"size" argument must not be negative') } } function alloc (that, size, fill, encoding) { assertSize(size) if (size <= 0) { return createBuffer(that, size) } if (fill !== undefined) { // Only pay attention to encoding if it's a string. This // prevents accidentally sending in a number that would // be interpretted as a start offset. return typeof encoding === 'string' ? createBuffer(that, size).fill(fill, encoding) : createBuffer(that, size).fill(fill) } return createBuffer(that, size) } /** * Creates a new filled Buffer instance. * alloc(size[, fill[, encoding]]) **/ Buffer.alloc = function (size, fill, encoding) { return alloc(null, size, fill, encoding) } function allocUnsafe (that, size) { assertSize(size) that = createBuffer(that, size < 0 ? 0 : checked(size) | 0) if (!Buffer.TYPED_ARRAY_SUPPORT) { for (var i = 0; i < size; ++i) { that[i] = 0 } } return that } /** * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance. * */ Buffer.allocUnsafe = function (size) { return allocUnsafe(null, size) } /** * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. */ Buffer.allocUnsafeSlow = function (size) { return allocUnsafe(null, size) } function fromString (that, string, encoding) { if (typeof encoding !== 'string' || encoding === '') { encoding = 'utf8' } if (!Buffer.isEncoding(encoding)) { throw new TypeError('"encoding" must be a valid string encoding') } var length = byteLength(string, encoding) | 0 that = createBuffer(that, length) var actual = that.write(string, encoding) if (actual !== length) { // Writing a hex string, for example, that contains invalid characters will // cause everything after the first invalid character to be ignored. (e.g. // 'abxxcd' will be treated as 'ab') that = that.slice(0, actual) } return that } function fromArrayLike (that, array) { var length = array.length < 0 ? 0 : checked(array.length) | 0 that = createBuffer(that, length) for (var i = 0; i < length; i += 1) { that[i] = array[i] & 255 } return that } function fromArrayBuffer (that, array, byteOffset, length) { array.byteLength // this throws if `array` is not a valid ArrayBuffer if (byteOffset < 0 || array.byteLength < byteOffset) { throw new RangeError('\'offset\' is out of bounds') } if (array.byteLength < byteOffset + (length || 0)) { throw new RangeError('\'length\' is out of bounds') } if (byteOffset === undefined && length === undefined) { array = new Uint8Array(array) } else if (length === undefined) { array = new Uint8Array(array, byteOffset) } else { array = new Uint8Array(array, byteOffset, length) } if (Buffer.TYPED_ARRAY_SUPPORT) { // Return an augmented `Uint8Array` instance, for best performance that = array that.__proto__ = Buffer.prototype } else { // Fallback: Return an object instance of the Buffer class that = fromArrayLike(that, array) } return that } function fromObject (that, obj) { if (Buffer.isBuffer(obj)) { var len = checked(obj.length) | 0 that = createBuffer(that, len) if (that.length === 0) { return that } obj.copy(that, 0, 0, len) return that } if (obj) { if ((typeof ArrayBuffer !== 'undefined' && obj.buffer instanceof ArrayBuffer) || 'length' in obj) { if (typeof obj.length !== 'number' || isnan(obj.length)) { return createBuffer(that, 0) } return fromArrayLike(that, obj) } if (obj.type === 'Buffer' && isArray(obj.data)) { return fromArrayLike(that, obj.data) } } throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.') } function checked (length) { // 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 (length) { if (+length != length) { // eslint-disable-line eqeqeq length = 0 } return Buffer.alloc(+length) } 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 for (var i = 0, len = Math.min(x, y); i < len; ++i) { if (a[i] !== b[i]) { x = a[i] y = b[i] break } } if (x < y) return -1 if (y < x) return 1 return 0 } Buffer.isEncoding = function isEncoding (encoding) { switch (String(encoding).toLowerCase()) { case 'hex': case 'utf8': case 'utf-8': case 'ascii': case 'latin1': case 'binary': case 'base64': case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return true default: return false } } Buffer.concat = function concat (list, length) { if (!isArray(list)) { throw new TypeError('"list" argument must be an Array of Buffers') } if (list.length === 0) { return Buffer.alloc(0) } var i if (length === undefined) { length = 0 for (i = 0; i < list.length; ++i) { length += list[i].length } } var buffer = Buffer.allocUnsafe(length) var pos = 0 for (i = 0; i < list.length; ++i) { var buf = list[i] if (!Buffer.isBuffer(buf)) { throw new TypeError('"list" argument must be an Array of Buffers') } buf.copy(buffer, pos) pos += buf.length } return buffer } function byteLength (string, encoding) { if (Buffer.isBuffer(string)) { return string.length } if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' && (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) { return string.byteLength } if (typeof string !== 'string') { string = '' + string } var len = string.length if (len === 0) return 0 // Use a for loop to avoid recursion var loweredCase = false for (;;) { switch (encoding) { case 'ascii': case 'latin1': case 'binary': return len case 'utf8': case 'utf-8': case undefined: 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 // No need to verify that "this.length <= MAX_UINT32" since it's a read-only // property of a typed array. // This behaves neither like String nor Uint8Array in that we set start/end // to their upper/lower bounds if the value passed is out of range. // undefined is handled specially as per ECMA-262 6th Edition, // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization. if (start === undefined || start < 0) { start = 0 } // Return early if start > this.length. Done here to prevent potential uint32 // coercion fail below. if (start > this.length) { return '' } if (end === undefined || end > this.length) { end = this.length } if (end <= 0) { return '' } // Force coersion to uint32. This will also coerce falsey/NaN values to 0. end >>>= 0 start >>>= 0 if (end <= start) { return '' } if (!encoding) encoding = 'utf8' while (true) { switch (encoding) { case 'hex': return hexSlice(this, start, end) case 'utf8': case 'utf-8': return utf8Slice(this, start, end) case 'ascii': return asciiSlice(this, start, end) case 'latin1': case 'binary': return latin1Slice(this, start, end) case 'base64': return base64Slice(this, start, end) case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return utf16leSlice(this, start, end) default: if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) encoding = (encoding + '').toLowerCase() loweredCase = true } } } // The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect // Buffer instances. Buffer.prototype._isBuffer = true function swap (b, n, m) { var i = b[n] b[n] = b[m] b[m] = i } Buffer.prototype.swap16 = function swap16 () { var len = this.length if (len % 2 !== 0) { throw new RangeError('Buffer size must be a multiple of 16-bits') } for (var i = 0; i < len; i += 2) { swap(this, i, i + 1) } return this } Buffer.prototype.swap32 = function swap32 () { var len = this.length if (len % 4 !== 0) { throw new RangeError('Buffer size must be a multiple of 32-bits') } for (var i = 0; i < len; i += 4) { swap(this, i, i + 3) swap(this, i + 1, i + 2) } return this } Buffer.prototype.swap64 = function swap64 () { var len = this.length if (len % 8 !== 0) { throw new RangeError('Buffer size must be a multiple of 64-bits') } for (var i = 0; i < len; i += 8) { swap(this, i, i + 7) swap(this, i + 1, i + 6) swap(this, i + 2, i + 5) swap(this, i + 3, i + 4) } return this } Buffer.prototype.toString = function toString () { var length = this.length | 0 if (length === 0) return '' if (arguments.length === 0) return utf8Slice(this, 0, length) return slowToString.apply(this, arguments) } Buffer.prototype.equals = function equals (b) { if (!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 (target, start, end, thisStart, thisEnd) { if (!Buffer.isBuffer(target)) { throw new TypeError('Argument must be a Buffer') } if (start === undefined) { start = 0 } if (end === undefined) { end = target ? target.length : 0 } if (thisStart === undefined) { thisStart = 0 } if (thisEnd === undefined) { thisEnd = this.length } if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) { throw new RangeError('out of range index') } if (thisStart >= thisEnd && start >= end) { return 0 } if (thisStart >= thisEnd) { return -1 } if (start >= end) { return 1 } start >>>= 0 end >>>= 0 thisStart >>>= 0 thisEnd >>>= 0 if (this === target) return 0 var x = thisEnd - thisStart var y = end - start var len = Math.min(x, y) var thisCopy = this.slice(thisStart, thisEnd) var targetCopy = target.slice(start, end) for (var i = 0; i < len; ++i) { if (thisCopy[i] !== targetCopy[i]) { x = thisCopy[i] y = targetCopy[i] break } } if (x < y) return -1 if (y < x) return 1 return 0 } // Finds either the first index of `val` in `buffer` at offset >= `byteOffset`, // OR the last index of `val` in `buffer` at offset <= `byteOffset`. // // Arguments: // - buffer - a Buffer to search // - val - a string, Buffer, or number // - byteOffset - an index into `buffer`; will be clamped to an int32 // - encoding - an optional encoding, relevant is val is a string // - dir - true for indexOf, false for lastIndexOf function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) { // Empty buffer means no match if (buffer.length === 0) return -1 // Normalize byteOffset if (typeof byteOffset === 'string') { encoding = byteOffset byteOffset = 0 } else if (byteOffset > 0x7fffffff) { byteOffset = 0x7fffffff } else if (byteOffset < -0x80000000) { byteOffset = -0x80000000 } byteOffset = +byteOffset // Coerce to Number. if (isNaN(byteOffset)) { // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer byteOffset = dir ? 0 : (buffer.length - 1) } // Normalize byteOffset: negative offsets start from the end of the buffer if (byteOffset < 0) byteOffset = buffer.length + byteOffset if (byteOffset >= buffer.length) { if (dir) return -1 else byteOffset = buffer.length - 1 } else if (byteOffset < 0) { if (dir) byteOffset = 0 else return -1 } // Normalize val if (typeof val === 'string') { val = Buffer.from(val, encoding) } // Finally, search either indexOf (if dir is true) or lastIndexOf if (Buffer.isBuffer(val)) { // Special case: looking for empty string/buffer always fails if (val.length === 0) { return -1 } return arrayIndexOf(buffer, val, byteOffset, encoding, dir) } else if (typeof val === 'number') { val = val & 0xFF // Search for a byte value [0-255] if (Buffer.TYPED_ARRAY_SUPPORT && typeof Uint8Array.prototype.indexOf === 'function') { if (dir) { return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset) } else { return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset) } } return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir) } throw new TypeError('val must be string, number or Buffer') } function arrayIndexOf (arr, val, byteOffset, encoding, dir) { var indexSize = 1 var arrLength = arr.length var valLength = val.length if (encoding !== undefined) { encoding = String(encoding).toLowerCase() if (encoding === 'ucs2' || encoding === 'ucs-2' || encoding === 'utf16le' || encoding === 'utf-16le') { if (arr.length < 2 || val.length < 2) { return -1 } indexSize = 2 arrLength /= 2 valLength /= 2 byteOffset /= 2 } } function read (buf, i) { if (indexSize === 1) { return buf[i] } else { return buf.readUInt16BE(i * indexSize) } } var i if (dir) { var foundIndex = -1 for (i = byteOffset; i < arrLength; i++) { if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) { if (foundIndex === -1) foundIndex = i if (i - foundIndex + 1 === valLength) return foundIndex * indexSize } else { if (foundIndex !== -1) i -= i - foundIndex foundIndex = -1 } } } else { if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength for (i = byteOffset; i >= 0; i--) { var found = true for (var j = 0; j < valLength; j++) { if (read(arr, i + j) !== read(val, j)) { found = false break } } if (found) return i } } return -1 } Buffer.prototype.includes = function includes (val, byteOffset, encoding) { return this.indexOf(val, byteOffset, encoding) !== -1 } Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) { return bidirectionalIndexOf(this, val, byteOffset, encoding, true) } Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) { return bidirectionalIndexOf(this, val, byteOffset, encoding, false) } function hexWrite (buf, string, offset, length) { offset = Number(offset) || 0 var remaining = buf.length - offset if (!length) { length = remaining } else { length = Number(length) if (length > remaining) { length = remaining } } // must be an even number of digits var strLen = string.length if (strLen % 2 !== 0) throw new TypeError('Invalid hex string') if (length > strLen / 2) { length = strLen / 2 } for (var i = 0; i < length; ++i) { var parsed = parseInt(string.substr(i * 2, 2), 16) if (isNaN(parsed)) return i buf[offset + i] = parsed } return i } function utf8Write (buf, string, offset, length) { return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length) } function asciiWrite (buf, string, offset, length) { return blitBuffer(asciiToBytes(string), buf, offset, length) } function latin1Write (buf, string, offset, length) { return asciiWrite(buf, string, offset, length) } function base64Write (buf, string, offset, length) { return blitBuffer(base64ToBytes(string), buf, offset, length) } function ucs2Write (buf, string, offset, length) { return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length) } Buffer.prototype.write = function write (string, offset, length, encoding) { // 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 { throw new Error( 'Buffer.write(string, encoding, offset[, length]) is no longer supported' ) } 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 'latin1': case 'binary': return latin1Write(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 latin1Slice (buf, start, end) { var ret = '' end = Math.min(buf.length, end) for (var i = start; i < end; ++i) { ret += String.fromCharCode(buf[i]) } return ret } function hexSlice (buf, start, end) { var len = buf.length if (!start || start < 0) start = 0 if (!end || end < 0 || end > len) end = len var out = '' for (var i = start; i < end; ++i) { out += toHex(buf[i]) } return out } function utf16leSlice (buf, start, end) { var bytes = buf.slice(start, end) var res = '' for (var i = 0; i < bytes.length; i += 2) { res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256) } return res } Buffer.prototype.slice = function slice (start, end) { var len = this.length start = ~~start end = end === 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 = this.subarray(start, end) newBuf.__proto__ = Buffer.prototype } else { var sliceLen = end - start newBuf = new Buffer(sliceLen, undefined) for (var i = 0; i < sliceLen; ++i) { newBuf[i] = this[i + start] } } 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" argument must be a Buffer instance') if (value > max || value < min) throw new RangeError('"value" argument is out of bounds') if (offset + ext > buf.length) throw new RangeError('Index out of range') } Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) { value = +value offset = offset | 0 byteLength = byteLength | 0 if (!noAssert) { var maxBytes = Math.pow(2, 8 * byteLength) - 1 checkInt(this, value, offset, byteLength, maxBytes, 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) { var maxBytes = Math.pow(2, 8 * byteLength) - 1 checkInt(this, value, offset, byteLength, maxBytes, 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 = 0 this[offset] = value & 0xFF while (++i < byteLength && (mul *= 0x100)) { if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) { sub = 1 } 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 = 0 this[offset + i] = value & 0xFF while (--i >= 0 && (mul *= 0x100)) { if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) { sub = 1 } 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 (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 { Uint8Array.prototype.set.call( target, this.subarray(start, start + len), targetStart ) } return len } // Usage: // buffer.fill(number[, offset[, end]]) // buffer.fill(buffer[, offset[, end]]) // buffer.fill(string[, offset[, end]][, encoding]) Buffer.prototype.fill = function fill (val, start, end, encoding) { // Handle string cases: if (typeof val === 'string') { if (typeof start === 'string') { encoding = start start = 0 end = this.length } else if (typeof end === 'string') { encoding = end end = this.length } if (val.length === 1) { var code = val.charCodeAt(0) if (code < 256) { val = code } } if (encoding !== undefined && typeof encoding !== 'string') { throw new TypeError('encoding must be a string') } if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) { throw new TypeError('Unknown encoding: ' + encoding) } } else if (typeof val === 'number') { val = val & 255 } // Invalid ranges are not set to a default, so can range check early. if (start < 0 || this.length < start || this.length < end) { throw new RangeError('Out of range index') } if (end <= start) { return this } start = start >>> 0 end = end === undefined ? this.length : end >>> 0 if (!val) val = 0 var i if (typeof val === 'number') { for (i = start; i < end; ++i) { this[i] = val } } else { var bytes = Buffer.isBuffer(val) ? val : utf8ToBytes(new Buffer(val, encoding).toString()) var len = bytes.length for (i = 0; i < end - start; ++i) { this[i + start] = bytes[i % len] } } return this } // HELPER FUNCTIONS // ================ 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 } function isnan (val) { return val !== val // eslint-disable-line no-self-compare } /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(18).Buffer, (function() { return this; }()))) /***/ }, /* 19 */ /***/ function(module, exports) { 'use strict' exports.toByteArray = toByteArray exports.fromByteArray = fromByteArray var lookup = [] var revLookup = [] var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array function init () { var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/' for (var i = 0, len = code.length; i < len; ++i) { lookup[i] = code[i] revLookup[code.charCodeAt(i)] = i } revLookup['-'.charCodeAt(0)] = 62 revLookup['_'.charCodeAt(0)] = 63 } init() function toByteArray (b64) { var i, j, l, tmp, placeHolders, arr var len = b64.length if (len % 4 > 0) { throw new Error('Invalid string. Length must be a multiple of 4') } // 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 placeHolders = b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0 // base64 is 4/3 + up to two characters of the original data arr = new Arr(len * 3 / 4 - placeHolders) // if there are placeholders, only get up to the last complete 4 chars l = placeHolders > 0 ? len - 4 : len var L = 0 for (i = 0, j = 0; i < l; i += 4, j += 3) { tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)] arr[L++] = (tmp >> 16) & 0xFF arr[L++] = (tmp >> 8) & 0xFF arr[L++] = tmp & 0xFF } if (placeHolders === 2) { tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4) arr[L++] = tmp & 0xFF } else if (placeHolders === 1) { tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2) arr[L++] = (tmp >> 8) & 0xFF arr[L++] = tmp & 0xFF } return arr } function tripletToBase64 (num) { return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F] } function encodeChunk (uint8, start, end) { var tmp var output = [] for (var i = start; i < end; i += 3) { tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]) output.push(tripletToBase64(tmp)) } return output.join('') } function fromByteArray (uint8) { var tmp var len = uint8.length var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes var output = '' var parts = [] var maxChunkLength = 16383 // must be multiple of 3 // go through the array every three bytes, we'll deal with trailing stuff later for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) { parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength))) } // pad the end with zeros, but make sure to not forget the extra bytes if (extraBytes === 1) { tmp = uint8[len - 1] output += lookup[tmp >> 2] output += lookup[(tmp << 4) & 0x3F] output += '==' } else if (extraBytes === 2) { tmp = (uint8[len - 2] << 8) + (uint8[len - 1]) output += lookup[tmp >> 10] output += lookup[(tmp >> 4) & 0x3F] output += lookup[(tmp << 2) & 0x3F] output += '=' } parts.push(output) return parts.join('') } /***/ }, /* 20 */ /***/ 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 } /***/ }, /* 21 */ /***/ function(module, exports) { var toString = {}.toString; module.exports = Array.isArray || function (arr) { return toString.call(arr) == '[object Array]'; }; /***/ }, /* 22 */ /***/ function(module, exports, __webpack_require__) { "use strict"; var window = __webpack_require__(23) var isFunction = __webpack_require__(24) var parseHeaders = __webpack_require__(25) var xtend = __webpack_require__(4) module.exports = createXHR createXHR.XMLHttpRequest = window.XMLHttpRequest || noop createXHR.XDomainRequest = "withCredentials" in (new createXHR.XMLHttpRequest()) ? createXHR.XMLHttpRequest : window.XDomainRequest forEachArray(["get", "put", "post", "patch", "head", "delete"], function(method) { createXHR[method === "delete" ? "del" : method] = function(uri, options, callback) { options = initParams(uri, options, callback) options.method = method.toUpperCase() return _createXHR(options) } }) function forEachArray(array, iterator) { for (var i = 0; i < array.length; i++) { iterator(array[i]) } } function isEmpty(obj){ for(var i in obj){ if(obj.hasOwnProperty(i)) return false } return true } function initParams(uri, options, callback) { var params = uri if (isFunction(options)) { callback = options if (typeof uri === "string") { params = {uri:uri} } } else { params = xtend(options, {uri: uri}) } params.callback = callback return params } function createXHR(uri, options, callback) { options = initParams(uri, options, callback) return _createXHR(options) } function _createXHR(options) { if(typeof options.callback === "undefined"){ throw new Error("callback argument missing") } var called = false var callback = function cbOnce(err, response, body){ if(!called){ called = true options.callback(err, response, body) } } function readystatechange() { if (xhr.readyState === 4) { loadFunc() } } function getBody() { // Chrome with requestType=blob throws errors arround when even testing access to responseText var body = undefined if (xhr.response) { body = xhr.response } else { body = xhr.responseText || getXml(xhr) } if (isJson) { try { body = JSON.parse(body) } catch (e) {} } return body } var failureResponse = { body: undefined, headers: {}, statusCode: 0, method: method, url: uri, rawRequest: xhr } function errorFunc(evt) { clearTimeout(timeoutTimer) if(!(evt instanceof Error)){ evt = new Error("" + (evt || "Unknown XMLHttpRequest Error") ) } evt.statusCode = 0 return callback(evt, failureResponse) } // will load the data & process the response in a special response object function loadFunc() { if (aborted) return var status clearTimeout(timeoutTimer) if(options.useXDR && xhr.status===undefined) { //IE8 CORS GET successful response doesn't have a status field, but body is fine status = 200 } else { status = (xhr.status === 1223 ? 204 : xhr.status) } var response = failureResponse var err = null if (status !== 0){ response = { body: getBody(), statusCode: status, method: method, headers: {}, url: uri, rawRequest: xhr } if(xhr.getAllResponseHeaders){ //remember xhr can in fact be XDR for CORS in IE response.headers = parseHeaders(xhr.getAllResponseHeaders()) } } else { err = new Error("Internal XMLHttpRequest Error") } return callback(err, response, response.body) } var xhr = options.xhr || null if (!xhr) { if (options.cors || options.useXDR) { xhr = new createXHR.XDomainRequest() }else{ xhr = new createXHR.XMLHttpRequest() } } var key var aborted var uri = xhr.url = options.uri || options.url var method = xhr.method = options.method || "GET" var body = options.body || options.data || null var headers = xhr.headers = options.headers || {} var sync = !!options.sync var isJson = false var timeoutTimer if ("json" in options) { isJson = true headers["accept"] || headers["Accept"] || (headers["Accept"] = "application/json") //Don't override existing accept header declared by user if (method !== "GET" && method !== "HEAD") { headers["content-type"] || headers["Content-Type"] || (headers["Content-Type"] = "application/json") //Don't override existing accept header declared by user body = JSON.stringify(options.json) } } xhr.onreadystatechange = readystatechange xhr.onload = loadFunc xhr.onerror = errorFunc // IE9 must have onprogress be set to a unique function. xhr.onprogress = function () { // IE must die } xhr.ontimeout = errorFunc xhr.open(method, uri, !sync, options.username, options.password) //has to be after open if(!sync) { xhr.withCredentials = !!options.withCredentials } // Cannot set timeout with sync request // not setting timeout on the xhr object, because of old webkits etc. not handling that correctly // both npm's request and jquery 1.x use this kind of timeout, so this is being consistent if (!sync && options.timeout > 0 ) { timeoutTimer = setTimeout(function(){ aborted=true//IE9 may still call readystatechange xhr.abort("timeout") var e = new Error("XMLHttpRequest timeout") e.code = "ETIMEDOUT" errorFunc(e) }, options.timeout ) } if (xhr.setRequestHeader) { for(key in headers){ if(headers.hasOwnProperty(key)){ xhr.setRequestHeader(key, headers[key]) } } } else if (options.headers && !isEmpty(options.headers)) { throw new Error("Headers cannot be set on an XDomainRequest object") } if ("responseType" in options) { xhr.responseType = options.responseType } if ("beforeSend" in options && typeof options.beforeSend === "function" ) { options.beforeSend(xhr) } xhr.send(body) return xhr } function getXml(xhr) { if (xhr.responseType === "document") { return xhr.responseXML } var firefoxBugTakenEffect = xhr.status === 204 && xhr.responseXML && xhr.responseXML.documentElement.nodeName === "parsererror" if (xhr.responseType === "" && !firefoxBugTakenEffect) { return xhr.responseXML } return null } function noop() {} /***/ }, /* 23 */ /***/ function(module, exports) { /* WEBPACK VAR INJECTION */(function(global) {if (typeof window !== "undefined") { module.exports = window; } else if (typeof global !== "undefined") { module.exports = global; } else if (typeof self !== "undefined"){ module.exports = self; } else { module.exports = {}; } /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()))) /***/ }, /* 24 */ /***/ function(module, exports) { module.exports = isFunction var toString = Object.prototype.toString function isFunction (fn) { var string = toString.call(fn) return string === '[object Function]' || (typeof fn === 'function' && string !== '[object RegExp]') || (typeof window !== 'undefined' && // IE8 and below (fn === window.setTimeout || fn === window.alert || fn === window.confirm || fn === window.prompt)) }; /***/ }, /* 25 */ /***/ function(module, exports, __webpack_require__) { var trim = __webpack_require__(26) , forEach = __webpack_require__(27) , isArray = function(arg) { return Object.prototype.toString.call(arg) === '[object Array]'; } module.exports = function (headers) { if (!headers) return {} var result = {} forEach( trim(headers).split('\n') , function (row) { var index = row.indexOf(':') , key = trim(row.slice(0, index)).toLowerCase() , value = trim(row.slice(index + 1)) if (typeof(result[key]) === 'undefined') { result[key] = value } else if (isArray(result[key])) { result[key].push(value) } else { result[key] = [ result[key], value ] } } ) return result } /***/ }, /* 26 */ /***/ function(module, exports) { exports = module.exports = trim; function trim(str){ return str.replace(/^\s*|\s*$/g, ''); } exports.left = function(str){ return str.replace(/^\s*/, ''); }; exports.right = function(str){ return str.replace(/\s*$/, ''); }; /***/ }, /* 27 */ /***/ function(module, exports, __webpack_require__) { var isFunction = __webpack_require__(24) module.exports = forEach var toString = Object.prototype.toString var hasOwnProperty = Object.prototype.hasOwnProperty function forEach(list, iterator, context) { if (!isFunction(iterator)) { throw new TypeError('iterator must be a function') } if (arguments.length < 3) { context = this } if (toString.call(list) === '[object Array]') forEachArray(list, iterator, context) else if (typeof list === 'string') forEachString(list, iterator, context) else forEachObject(list, iterator, context) } function forEachArray(array, iterator, context) { for (var i = 0, len = array.length; i < len; i++) { if (hasOwnProperty.call(array, i)) { iterator.call(context, array[i], i, array) } } } function forEachString(string, iterator, context) { for (var i = 0, len = string.length; i < len; i++) { // no such thing as a sparse string. iterator.call(context, string.charAt(i), i, string) } } function forEachObject(object, iterator, context) { for (var k in object) { if (hasOwnProperty.call(object, k)) { iterator.call(context, object[k], k, object) } } } /***/ }, /* 28 */ /***/ function(module, exports) { module.exports = function parseBMFontAscii(data) { if (!data) throw new Error('no data provided') data = data.toString().trim() var output = { pages: [], chars: [], kernings: [] } var lines = data.split(/\r\n?|\n/g) if (lines.length === 0) throw new Error('no data in BMFont file') for (var i = 0; i < lines.length; i++) { var lineData = splitLine(lines[i], i) if (!lineData) //skip empty lines continue if (lineData.key === 'page') { if (typeof lineData.data.id !== 'number') throw new Error('malformed file at line ' + i + ' -- needs page id=N') if (typeof lineData.data.file !== 'string') throw new Error('malformed file at line ' + i + ' -- needs page file="path"') output.pages[lineData.data.id] = lineData.data.file } else if (lineData.key === 'chars' || lineData.key === 'kernings') { //... do nothing for these two ... } else if (lineData.key === 'char') { output.chars.push(lineData.data) } else if (lineData.key === 'kerning') { output.kernings.push(lineData.data) } else { output[lineData.key] = lineData.data } } return output } function splitLine(line, idx) { line = line.replace(/\t+/g, ' ').trim() if (!line) return null var space = line.indexOf(' ') if (space === -1) throw new Error("no named row at line " + idx) var key = line.substring(0, space) line = line.substring(space + 1) //clear "letter" field as it is non-standard and //requires additional complexity to parse " / = symbols line = line.replace(/letter=[\'\"]\S+[\'\"]/gi, '') line = line.split("=") line = line.map(function(str) { return str.trim().match((/(".*?"|[^"\s]+)+(?=\s*|\s*$)/g)) }) var data = [] for (var i = 0; i < line.length; i++) { var dt = line[i] if (i === 0) { data.push({ key: dt[0], data: "" }) } else if (i === line.length - 1) { data[data.length - 1].data = parseData(dt[0]) } else { data[data.length - 1].data = parseData(dt[0]) data.push({ key: dt[1], data: "" }) } } var out = { key: key, data: {} } data.forEach(function(v) { out.data[v.key] = v.data; }) return out } function parseData(data) { if (!data || data.length === 0) return "" if (data.indexOf('"') === 0 || data.indexOf("'") === 0) return data.substring(1, data.length - 1) if (data.indexOf(',') !== -1) return parseIntList(data) return parseInt(data, 10) } function parseIntList(data) { return data.split(',').map(function(val) { return parseInt(val, 10) }) } /***/ }, /* 29 */ /***/ function(module, exports, __webpack_require__) { var parseAttributes = __webpack_require__(30) var parseFromString = __webpack_require__(31) //In some cases element.attribute.nodeName can return //all lowercase values.. so we need to map them to the correct //case var NAME_MAP = { scaleh: 'scaleH', scalew: 'scaleW', stretchh: 'stretchH', lineheight: 'lineHeight', alphachnl: 'alphaChnl', redchnl: 'redChnl', greenchnl: 'greenChnl', bluechnl: 'blueChnl' } module.exports = function parse(data) { data = data.toString() var xmlRoot = parseFromString(data) var output = { pages: [], chars: [], kernings: [] } //get config settings ;['info', 'common'].forEach(function(key) { var element = xmlRoot.getElementsByTagName(key)[0] if (element) output[key] = parseAttributes(getAttribs(element)) }) //get page info var pageRoot = xmlRoot.getElementsByTagName('pages')[0] if (!pageRoot) throw new Error('malformed file -- no element') var pages = pageRoot.getElementsByTagName('page') for (var i=0; i 3) throw new Error('Only supports BMFont Binary v3 (BMFont App v1.10)') var target = { kernings: [], chars: [] } for (var b=0; b<5; b++) i += readBlock(target, buf, i) return target } function readBlock(target, buf, i) { if (i > buf.length-1) return 0 var blockID = buf.readUInt8(i++) var blockSize = buf.readInt32LE(i) i += 4 switch(blockID) { case 1: target.info = readInfo(buf, i) break case 2: target.common = readCommon(buf, i) break case 3: target.pages = readPages(buf, i, blockSize) break case 4: target.chars = readChars(buf, i, blockSize) break case 5: target.kernings = readKernings(buf, i, blockSize) break } return 5 + blockSize } function readInfo(buf, i) { var info = {} info.size = buf.readInt16LE(i) var bitField = buf.readUInt8(i+2) info.smooth = (bitField >> 7) & 1 info.unicode = (bitField >> 6) & 1 info.italic = (bitField >> 5) & 1 info.bold = (bitField >> 4) & 1 //fixedHeight is only mentioned in binary spec if ((bitField >> 3) & 1) info.fixedHeight = 1 info.charset = buf.readUInt8(i+3) || '' info.stretchH = buf.readUInt16LE(i+4) info.aa = buf.readUInt8(i+6) info.padding = [ buf.readInt8(i+7), buf.readInt8(i+8), buf.readInt8(i+9), buf.readInt8(i+10) ] info.spacing = [ buf.readInt8(i+11), buf.readInt8(i+12) ] info.outline = buf.readUInt8(i+13) info.face = readStringNT(buf, i+14) return info } function readCommon(buf, i) { var common = {} common.lineHeight = buf.readUInt16LE(i) common.base = buf.readUInt16LE(i+2) common.scaleW = buf.readUInt16LE(i+4) common.scaleH = buf.readUInt16LE(i+6) common.pages = buf.readUInt16LE(i+8) var bitField = buf.readUInt8(i+10) common.packed = 0 common.alphaChnl = buf.readUInt8(i+11) common.redChnl = buf.readUInt8(i+12) common.greenChnl = buf.readUInt8(i+13) common.blueChnl = buf.readUInt8(i+14) return common } function readPages(buf, i, size) { var pages = [] var text = readNameNT(buf, i) var len = text.length+1 var count = size / len for (var c=0; c 4 && equal(buf.slice(0, 4), HEADER) } /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(18).Buffer)) /***/ }, /* 34 */ /***/ function(module, exports, __webpack_require__) { var Buffer = __webpack_require__(18).Buffer; // for use with browserify module.exports = function (a, b) { if (!Buffer.isBuffer(a)) return undefined; if (!Buffer.isBuffer(b)) return undefined; if (typeof a.equals === 'function') return a.equals(b); if (a.length !== b.length) return false; for (var i = 0; i < a.length; i++) { if (a[i] !== b[i]) return false; } return true; }; /***/ }, /* 35 */ /***/ function(module, exports, __webpack_require__) { var assign = __webpack_require__(14) module.exports = function createSDFShader (opt) { opt = opt || {} var opacity = typeof opt.opacity === 'number' ? opt.opacity : 1 var alphaTest = typeof opt.alphaTest === 'number' ? opt.alphaTest : 0.0001 var precision = opt.precision || 'highp' var color = opt.color var map = opt.map // remove to satisfy r73 delete opt.map delete opt.color delete opt.precision delete opt.opacity return assign({ uniforms: { opacity: { type: 'f', value: opacity }, map: { type: 't', value: map || new THREE.Texture() }, color: { type: 'c', value: new THREE.Color(color) } }, vertexShader: [ 'attribute vec2 uv;', 'attribute vec4 position;', 'uniform mat4 projectionMatrix;', 'uniform mat4 modelViewMatrix;', 'varying vec2 vUv;', 'void main() {', 'vUv = uv;', 'gl_Position = projectionMatrix * modelViewMatrix * position;', '}' ].join('\n'), fragmentShader: [ '#ifdef GL_OES_standard_derivatives', '#extension GL_OES_standard_derivatives : enable', '#endif', 'precision ' + precision + ' float;', 'uniform float opacity;', 'uniform vec3 color;', 'uniform sampler2D map;', 'varying vec2 vUv;', 'float aastep(float value) {', ' #ifdef GL_OES_standard_derivatives', ' float afwidth = length(vec2(dFdx(value), dFdy(value))) * 0.70710678118654757;', ' #else', ' float afwidth = (1.0 / 32.0) * (1.4142135623730951 / (2.0 * gl_FragCoord.w));', ' #endif', ' return smoothstep(0.5 - afwidth, 0.5 + afwidth, value);', '}', 'void main() {', ' vec4 texColor = texture2D(map, vUv);', ' float alpha = aastep(texColor.a);', ' gl_FragColor = vec4(color, opacity * alpha);', alphaTest === 0 ? '' : ' if (gl_FragColor.a < ' + alphaTest + ') discard;', '}' ].join('\n') }, opt) } /***/ }, /* 36 */ /***/ function(module, exports) { /* global AFRAME */ /* Experimental text primitive. * Issues: color not changing, removeAttribute() not working, mixing primitive with regular entities fails * Color issue relates to: https://github.com/donmccurdy/aframe-extras/blob/master/src/primitives/a-ocean.js#L44 */ var extendDeep = AFRAME.utils.extendDeep; var meshMixin = AFRAME.primitives.getMeshMixin(); AFRAME.registerPrimitive('a-text', extendDeep({}, meshMixin, { defaultComponents: { 'bmfont-text': {} }, mappings: { text: 'bmfont-text.text', width: 'bmfont-text.width', align: 'bmfont-text.align', letterSpacing: 'bmfont-text.letterSpacing', lineHeight: 'bmfont-text.lineHeight', fnt: 'bmfont-text.fnt', fntImage: 'bmfont-text.fntImage', mode: 'bmfont-text.mode', color: 'bmfont-text.color', opacity: 'bmfont-text.opacity' } })); /***/ } /******/ ]);