From a8d8821e818503133d9d015b3a7e232f8f4a4239 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jimmy=20W=C3=A4rting?= Date: Wed, 17 Apr 2019 19:47:12 +0200 Subject: [PATCH] Standardjs format --- Blob.js | 293 +++++++++++++++++++++++++++----------------------------- 1 file changed, 143 insertions(+), 150 deletions(-) diff --git a/Blob.js b/Blob.js index 100fefb..5ad1801 100644 --- a/Blob.js +++ b/Blob.js @@ -8,8 +8,7 @@ * See https://github.com/eligrey/Blob.js/blob/master/LICENSE.md */ -;(function(){ - +;(function () { var global = typeof window === 'object' ? window : typeof self === 'object' ? self : this @@ -17,9 +16,9 @@ var BlobBuilder = global.BlobBuilder || global.WebKitBlobBuilder || global.MSBlobBuilder - || global.MozBlobBuilder; + || global.MozBlobBuilder - global.URL = global.URL || global.webkitURL || function(href, a) { + global.URL = global.URL || global.webkitURL || function (href, a) { a = document.createElement('a') a.href = href return a @@ -34,7 +33,7 @@ var arrayBufferSupported = !!global.ArrayBuffer var blobBuilderSupported = BlobBuilder && BlobBuilder.prototype.append - && BlobBuilder.prototype.getBlob; + && BlobBuilder.prototype.getBlob try { // Check if Blob constructor is supported @@ -42,151 +41,149 @@ // Check if Blob constructor supports ArrayBufferViews // Fails in Safari 6, so we need to map to ArrayBuffers there. - blobSupportsArrayBufferView = new Blob([new Uint8Array([1,2])]).size === 2 - } catch(e) {} + blobSupportsArrayBufferView = new Blob([new Uint8Array([1, 2])]).size === 2 + } catch (e) {} /** * Helper function that maps ArrayBufferViews to ArrayBuffers * Used by BlobBuilder constructor and old browsers that didn't * support it in the Blob constructor. */ - function mapArrayBufferViews(ary) { - return ary.map(function(chunk) { + function mapArrayBufferViews (ary) { + return ary.map(function (chunk) { if (chunk.buffer instanceof ArrayBuffer) { - var buf = chunk.buffer; + var buf = chunk.buffer // if this is a subarray, make a copy so we only // include the subarray region from the underlying buffer if (chunk.byteLength !== buf.byteLength) { - var copy = new Uint8Array(chunk.byteLength); - copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength)); - buf = copy.buffer; + var copy = new Uint8Array(chunk.byteLength) + copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength)) + buf = copy.buffer } - return buf; + return buf } - return chunk; - }); + return chunk + }) } - function BlobBuilderConstructor(ary, options) { - options = options || {}; + function BlobBuilderConstructor (ary, options) { + options = options || {} - var bb = new BlobBuilder(); - mapArrayBufferViews(ary).forEach(function(part) { - bb.append(part); - }); + var bb = new BlobBuilder() + mapArrayBufferViews(ary).forEach(function (part) { + bb.append(part) + }) - return options.type ? bb.getBlob(options.type) : bb.getBlob(); - }; + return options.type ? bb.getBlob(options.type) : bb.getBlob() + } - function BlobConstructor(ary, options) { - return new origBlob(mapArrayBufferViews(ary), options || {}); - }; + function BlobConstructor (ary, options) { + return new origBlob(mapArrayBufferViews(ary), options || {}) + } if (global.Blob) { - BlobBuilderConstructor.prototype = Blob.prototype; - BlobConstructor.prototype = Blob.prototype; + BlobBuilderConstructor.prototype = Blob.prototype + BlobConstructor.prototype = Blob.prototype } - function FakeBlobBuilder() { - function toUTF8Array(str) { - var utf8 = []; - for (var i=0; i < str.length; i++) { - var charcode = str.charCodeAt(i); - if (charcode < 0x80) utf8.push(charcode); + function FakeBlobBuilder () { + function toUTF8Array (str) { + var utf8 = [] + for (var i = 0; i < str.length; i++) { + var charcode = str.charCodeAt(i) + if (charcode < 0x80) utf8.push(charcode) else if (charcode < 0x800) { - utf8.push(0xc0 | (charcode >> 6), - 0x80 | (charcode & 0x3f)); - } - else if (charcode < 0xd800 || charcode >= 0xe000) { - utf8.push(0xe0 | (charcode >> 12), - 0x80 | ((charcode>>6) & 0x3f), - 0x80 | (charcode & 0x3f)); + utf8.push(0xc0 | (charcode >> 6), + 0x80 | (charcode & 0x3f)) + } else if (charcode < 0xd800 || charcode >= 0xe000) { + utf8.push(0xe0 | (charcode >> 12), + 0x80 | ((charcode >> 6) & 0x3f), + 0x80 | (charcode & 0x3f)) } // surrogate pair else { - i++; + i++ // UTF-16 encodes 0x10000-0x10FFFF by // subtracting 0x10000 and splitting the // 20 bits of 0x0-0xFFFFF into two halves - charcode = 0x10000 + (((charcode & 0x3ff)<<10) - | (str.charCodeAt(i) & 0x3ff)); - utf8.push(0xf0 | (charcode >>18), - 0x80 | ((charcode>>12) & 0x3f), - 0x80 | ((charcode>>6) & 0x3f), - 0x80 | (charcode & 0x3f)); + charcode = 0x10000 + (((charcode & 0x3ff) << 10) + | (str.charCodeAt(i) & 0x3ff)) + utf8.push(0xf0 | (charcode >> 18), + 0x80 | ((charcode >> 12) & 0x3f), + 0x80 | ((charcode >> 6) & 0x3f), + 0x80 | (charcode & 0x3f)) } } - return utf8; + return utf8 } - function fromUtf8Array(array) { - var out, i, len, c; - var char2, char3; - - out = ""; - len = array.length; - i = 0; + function fromUtf8Array (array) { + var out, i, len, c + var char2, char3 + + out = '' + len = array.length + i = 0 while (i < len) { - c = array[i++]; - switch (c >> 4) - { + c = array[i++] + switch (c >> 4) { case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: // 0xxxxxxx - out += String.fromCharCode(c); - break; + out += String.fromCharCode(c) + break case 12: case 13: // 110x xxxx 10xx xxxx - char2 = array[i++]; - out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F)); - break; + char2 = array[i++] + out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F)) + break case 14: // 1110 xxxx 10xx xxxx 10xx xxxx - char2 = array[i++]; - char3 = array[i++]; - out += String.fromCharCode(((c & 0x0F) << 12) | + char2 = array[i++] + char3 = array[i++] + out += String.fromCharCode(((c & 0x0F) << 12) | ((char2 & 0x3F) << 6) | - ((char3 & 0x3F) << 0)); - break; + ((char3 & 0x3F) << 0)) + break } - } - return out; + } + return out } - function isDataView(obj) { + function isDataView (obj) { return obj && DataView.prototype.isPrototypeOf(obj) } - function bufferClone(buf) { + function bufferClone (buf) { var view = new Array(buf.byteLength) var array = new Uint8Array(buf) var i = view.length - while(i--) { + while (i--) { view[i] = array[i] } return view } - function encodeByteArray(input) { - var byteToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; + function encodeByteArray (input) { + var byteToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=' - var output = []; + var output = [] for (var i = 0; i < input.length; i += 3) { - var byte1 = input[i]; - var haveByte2 = i + 1 < input.length; - var byte2 = haveByte2 ? input[i + 1] : 0; - var haveByte3 = i + 2 < input.length; - var byte3 = haveByte3 ? input[i + 2] : 0; + var byte1 = input[i] + var haveByte2 = i + 1 < input.length + var byte2 = haveByte2 ? input[i + 1] : 0 + var haveByte3 = i + 2 < input.length + var byte3 = haveByte3 ? input[i + 2] : 0 - var outByte1 = byte1 >> 2; - var outByte2 = ((byte1 & 0x03) << 4) | (byte2 >> 4); - var outByte3 = ((byte2 & 0x0F) << 2) | (byte3 >> 6); - var outByte4 = byte3 & 0x3F; + var outByte1 = byte1 >> 2 + var outByte2 = ((byte1 & 0x03) << 4) | (byte2 >> 4) + var outByte3 = ((byte2 & 0x0F) << 2) | (byte3 >> 6) + var outByte4 = byte3 & 0x3F if (!haveByte3) { - outByte4 = 64; + outByte4 = 64 if (!haveByte2) { - outByte3 = 64; + outByte3 = 64 } } @@ -199,11 +196,11 @@ } var create = Object.create || function (a) { - function c() {} - c.prototype = a; - return new c + function c () {} + c.prototype = a + return new c() } - + if (arrayBufferSupported) { var viewClasses = [ '[object Int8Array]', @@ -217,17 +214,15 @@ '[object Float64Array]' ] - var isArrayBufferView = ArrayBuffer.isView || function(obj) { + var isArrayBufferView = ArrayBuffer.isView || function (obj) { return obj && viewClasses.indexOf(Object.prototype.toString.call(obj)) > -1 } } - - /********************************************************/ /* Blob constructor */ /********************************************************/ - function Blob(chunks, opts) { + function Blob (chunks, opts) { chunks = chunks || [] for (var i = 0, len = chunks.length; i < len; i++) { var chunk = chunks[i] @@ -249,54 +244,52 @@ this.type = opts ? opts.type || '' : '' } - Blob.prototype.slice = function(start, end, type) { + Blob.prototype.slice = function (start, end, type) { var slice = this._buffer.slice(start || 0, end || this._buffer.length) return new Blob([slice], {type: type}) } - Blob.prototype.toString = function() { + Blob.prototype.toString = function () { return '[object Blob]' } - - /********************************************************/ /* File constructor */ /********************************************************/ - function File(chunks, name, opts) { + function File (chunks, name, opts) { opts = opts || {} var a = Blob.call(this, chunks, opts) || this a.name = name - a.lastModifiedDate = opts.lastModified ? new Date(opts.lastModified) : new Date + a.lastModifiedDate = opts.lastModified ? new Date(opts.lastModified) : new Date() a.lastModified = +a.lastModifiedDate - + return a } - File.prototype = create(Blob.prototype); - File.prototype.constructor = File; + File.prototype = create(Blob.prototype) + File.prototype.constructor = File - if (Object.setPrototypeOf) - Object.setPrototypeOf(File, Blob); - else { - try {File.__proto__ = Blob} catch (e) {} + if (Object.setPrototypeOf) { + Object.setPrototypeOf(File, Blob) + } else { + try { File.__proto__ = Blob } catch (e) {} } - File.prototype.toString = function() { + File.prototype.toString = function () { return '[object File]' } - /********************************************************/ /* FileReader constructor */ /********************************************************/ - function FileReader() { - if (!(this instanceof FileReader)) - throw new TypeError("Failed to construct 'FileReader': Please use the 'new' operator, this DOM object constructor cannot be called as a function.") + function FileReader () { + if (!(this instanceof FileReader)) { + throw new TypeError("Failed to construct 'FileReader': Please use the 'new' operator, this DOM object constructor cannot be called as a function.") + } var delegate = document.createDocumentFragment() this.addEventListener = delegate.addEventListener - this.dispatchEvent = function(evt) { + this.dispatchEvent = function (evt) { var local = this['on' + evt.type] if (typeof local === 'function') local(evt) delegate.dispatchEvent(evt) @@ -304,13 +297,14 @@ this.removeEventListener = delegate.removeEventListener } - function _read(fr, blob, kind) { - if (!(blob instanceof Blob)) - throw new TypeError("Failed to execute '" + kind + "' on 'FileReader': parameter 1 is not of type 'Blob'.") - + function _read (fr, blob, kind) { + if (!(blob instanceof Blob)) { + throw new TypeError("Failed to execute '" + kind + "' on 'FileReader': parameter 1 is not of type 'Blob'.") + } + fr.result = '' - setTimeout(function(){ + setTimeout(function () { this.readyState = FileReader.LOADING fr.dispatchEvent(new Event('load')) fr.dispatchEvent(new Event('loadend')) @@ -328,34 +322,33 @@ FileReader.prototype.onloadstart = null FileReader.prototype.onprogress = null - FileReader.prototype.readAsDataURL = function(blob) { + FileReader.prototype.readAsDataURL = function (blob) { _read(this, blob, 'readAsDataURL') this.result = 'data:' + blob.type + ';base64,' + encodeByteArray(blob._buffer) } - FileReader.prototype.readAsText = function(blob) { + FileReader.prototype.readAsText = function (blob) { _read(this, blob, 'readAsText') this.result = fromUtf8Array(blob._buffer) } - FileReader.prototype.readAsArrayBuffer = function(blob) { + FileReader.prototype.readAsArrayBuffer = function (blob) { _read(this, blob, 'readAsText') this.result = blob._buffer.slice() } - FileReader.prototype.abort = function() {} + FileReader.prototype.abort = function () {} - /********************************************************/ /* URL */ /********************************************************/ - URL.createObjectURL = function(blob) { - return blob instanceof Blob + URL.createObjectURL = function (blob) { + return blob instanceof Blob ? 'data:' + blob.type + ';base64,' + encodeByteArray(blob._buffer) : createObjectURL.call(URL, blob) } - - URL.revokeObjectURL = function(url) { + + URL.revokeObjectURL = function (url) { revokeObjectURL && revokeObjectURL.call(URL, url) } @@ -364,7 +357,7 @@ /********************************************************/ var _send = global.XMLHttpRequest && global.XMLHttpRequest.prototype.send if (_send) { - XMLHttpRequest.prototype.send = function(data) { + XMLHttpRequest.prototype.send = function (data) { if (data instanceof Blob) { this.setRequestHeader('Content-Type', data.type) _send.call(this, fromUtf8Array(data._buffer)) @@ -373,7 +366,7 @@ } } } - + global.FileReader = FileReader global.File = File global.Blob = Blob @@ -385,18 +378,18 @@ FileReader.prototype[strTag] = 'FileReader' } - function fixFileAndXHR() { + function fixFileAndXHR () { var isIE = !!global.ActiveXObject || ( - '-ms-scroll-limit' in document.documentElement.style && + '-ms-scroll-limit' in document.documentElement.style && '-ms-ime-align' in document.documentElement.style ) - // Monkey patched + // Monkey patched // IE don't set Content-Type header on XHR whose body is a typed Blob // https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/6047383 var _send = global.XMLHttpRequest && global.XMLHttpRequest.prototype.send if (isIE && _send) { - XMLHttpRequest.prototype.send = function(data) { + XMLHttpRequest.prototype.send = function (data) { if (data instanceof Blob) { this.setRequestHeader('Content-Type', data.type) _send.call(this, data) @@ -408,34 +401,35 @@ try { new File([], '') - } catch(e) { + } catch (e) { try { - var klass = new Function('class File extends Blob {' + + var klass = new Function('class File extends Blob {' + 'constructor(chunks, name, opts) {' + 'opts = opts || {};' + 'super(chunks, opts || {});' + 'this.name = name;' + - 'this.lastModifiedDate = opts.lastModified ? new Date(opts.lastModified) : new Date;' + + 'this.lastModifiedDate = opts.lastModified ? new Date(opts.lastModified) : new Date();' + 'this.lastModified = +this.lastModifiedDate;' + '}};' + 'return new File([], ""), File' )() global.File = klass - } catch(e) { - var klass = function(b, d, c) { + } catch (e) { + var klass = function (b, d, c) { var blob = new Blob(b, c) - var t = c && void 0 !== c.lastModified ? new Date(c.lastModified) : new Date - + var t = c && void 0 !== c.lastModified ? new Date(c.lastModified) : new Date() + blob.name = d blob.lastModifiedDate = t blob.lastModified = +t - blob.toString = function() { + blob.toString = function () { return '[object File]' } - - if (strTag) + + if (strTag) { blob[strTag] = 'File' - + } + return blob } global.File = klass @@ -448,9 +442,8 @@ global.Blob = blobSupportsArrayBufferView ? global.Blob : BlobConstructor } else if (blobBuilderSupported) { fixFileAndXHR() - global.Blob = BlobBuilderConstructor; + global.Blob = BlobBuilderConstructor } else { FakeBlobBuilder() } - -})(); +})()