third-party/Blob.js-master/Blob.js - Code Metrics - Otaku-Projects/AngularJS-CRUD-PHP - Measure and Improve Code Quality continuously with Scrutinizer

third-party/Blob.js-master/Blob.js B
last analyzed 2020-01-16 17:41 UTC

↳ Parent: Project

Complexity

Total Complexity	47
Complexity/F	2.76

Size

Lines of Code	195
Function Count	17

Duplication

Duplicated Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	141
dl	0
loc	195
rs	8.64
c	0
b	0
f	0
wmc	47
mnd	30
bc	30
fnc	17
bpm	1.7647
cpm	2.7647
noi	5

2 Functions

Rating	Name	Duplication	Size	Complexity
A	Blob.js ➔ Blob	0	6	1
B	Blob.js ➔ BlobBuilder	0	3	6

How to fix Complexity

/* Blob.js
 * A Blob implementation.
 * 2014-07-24
 *
 * By Eli Grey, http://eligrey.com
 * By Devin Samarin, https://github.com/dsamarin
 * License: MIT
 *   See https://github.com/eligrey/Blob.js/blob/master/LICENSE.md
 */

/*global self, unescape */
/*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true,
  plusplus: true */

/*! @source http://purl.eligrey.com/github/Blob.js/blob/master/Blob.js */

(function (view) {
	"use strict";

	view.URL = view.URL || view.webkitURL;

	if (view.Blob && view.URL) {
		try {
			new Blob;

			return;
		} catch (e) {}

	}

	// Internally we use a BlobBuilder implementation to base Blob off of
	// in order to support older browsers that only have BlobBuilder
	var BlobBuilder = view.BlobBuilder || view.WebKitBlobBuilder || view.MozBlobBuilder || (function(view) {
		var
			  get_class = function(object) {
				return Object.prototype.toString.call(object).match(/^\[object\s(.*)\]$/)[1];
			}
			, FakeBlobBuilder = function BlobBuilder() {
				this.data = [];
			}
			, FakeBlob = function Blob(data, type, encoding) {
				this.data = data;
				this.size = data.length;
				this.type = type;
				this.encoding = encoding;
			}
			, FBB_proto = FakeBlobBuilder.prototype
			, FB_proto = FakeBlob.prototype
			, FileReaderSync = view.FileReaderSync
			, FileException = function(type) {
				this.code = this[this.name = type];
			}
			, file_ex_codes = (
				  "NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR "
				+ "NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR"
			).split(" ")
			, file_ex_code = file_ex_codes.length
			, real_URL = view.URL || view.webkitURL || view
			, real_create_object_URL = real_URL.createObjectURL
			, real_revoke_object_URL = real_URL.revokeObjectURL
			, URL = real_URL
			, btoa = view.btoa
			, atob = view.atob

			, ArrayBuffer = view.ArrayBuffer

			, Uint8Array = view.Uint8Array


			, origin = /^[\w-]+:\/*\[?[\w\.:-]+\]?(?::[0-9]+)?/
		;
		FakeBlob.fake = FB_proto.fake = true;
		while (file_ex_code--) {
			FileException.prototype[file_ex_codes[file_ex_code]] = file_ex_code + 1;
		}
		// Polyfill URL
		if (!real_URL.createObjectURL) {
			URL = view.URL = function(uri) {
				var
					  uri_info = document.createElementNS("http://www.w3.org/1999/xhtml", "a")
					, uri_origin
				;
				uri_info.href = uri;
				if (!("origin" in uri_info)) {
					if (uri_info.protocol.toLowerCase() === "data:") {
						uri_info.origin = null;
					} else {
						uri_origin = uri.match(origin);
						uri_info.origin = uri_origin && uri_origin[1];
					}
				}
				return uri_info;
			};
		}
		URL.createObjectURL = function(blob) {
			var
				  type = blob.type
				, data_URI_header
			;
			if (type === null) {
				type = "application/octet-stream";
			}
			if (blob instanceof FakeBlob) {
				data_URI_header = "data:" + type;
				if (blob.encoding === "base64") {
					return data_URI_header + ";base64," + blob.data;
				} else if (blob.encoding === "URI") {
					return data_URI_header + "," + decodeURIComponent(blob.data);
				} if (btoa) {
					return data_URI_header + ";base64," + btoa(blob.data);
				} else {

					return data_URI_header + "," + encodeURIComponent(blob.data);
				}
			} else if (real_create_object_URL) {
				return real_create_object_URL.call(real_URL, blob);
			}
		};
		URL.revokeObjectURL = function(object_URL) {
			if (object_URL.substring(0, 5) !== "data:" && real_revoke_object_URL) {
				real_revoke_object_URL.call(real_URL, object_URL);
			}
		};
		FBB_proto.append = function(data/*, endings*/) {
			var bb = this.data;
			// decode data to a binary string
			if (Uint8Array && (data instanceof ArrayBuffer || data instanceof Uint8Array)) {
				var
					  str = ""
					, buf = new Uint8Array(data)
					, i = 0
					, buf_len = buf.length
				;
				for (; i < buf_len; i++) {
					str += String.fromCharCode(buf[i]);
				}
				bb.push(str);
			} else if (get_class(data) === "Blob" || get_class(data) === "File") {
				if (FileReaderSync) {
					var fr = new FileReaderSync;
					bb.push(fr.readAsBinaryString(data));
				} else {
					// async FileReader won't work as BlobBuilder is sync
					throw new FileException("NOT_READABLE_ERR");
				}
			} else if (data instanceof FakeBlob) {
				if (data.encoding === "base64" && atob) {
					bb.push(atob(data.data));
				} else if (data.encoding === "URI") {
					bb.push(decodeURIComponent(data.data));
				} else if (data.encoding === "raw") {
					bb.push(data.data);
				}
			} else {
				if (typeof data !== "string") {
					data += ""; // convert unsupported types to strings
				}
				// decode UTF-16 to binary string
				bb.push(unescape(encodeURIComponent(data)));
			}
		};
		FBB_proto.getBlob = function(type) {
			if (!arguments.length) {
				type = null;
			}
			return new FakeBlob(this.data.join(""), type, "raw");
		};
		FBB_proto.toString = function() {
			return "[object BlobBuilder]";
		};
		FB_proto.slice = function(start, end, type) {
			var args = arguments.length;
			if (args < 3) {
				type = null;
			}
			return new FakeBlob(
				  this.data.slice(start, args > 1 ? end : this.data.length)
				, type
				, this.encoding
			);
		};
		FB_proto.toString = function() {
			return "[object Blob]";
		};
		FB_proto.close = function() {
			this.size = 0;
			delete this.data;
		};
		return FakeBlobBuilder;
	}(view));

	view.Blob = function(blobParts, options) {
		var type = options ? (options.type || "") : "";
		var builder = new BlobBuilder();
		if (blobParts) {
			for (var i = 0, len = blobParts.length; i < len; i++) {
				if (Uint8Array && blobParts[i] instanceof Uint8Array) {
					builder.append(blobParts[i].buffer);
				}
				else {
					builder.append(blobParts[i]);
				}
			}
		}
		var blob = builder.getBlob(type);
		if (!blob.slice && blob.webkitSlice) {
			blob.slice = blob.webkitSlice;
		}
		return blob;
	};

	var getPrototypeOf = Object.getPrototypeOf || function(object) {
		return object.__proto__;
	};
	view.Blob.prototype = getPrototypeOf(new view.Blob());
}(typeof self !== "undefined" && self || typeof window !== "undefined" && window || this.content || this));


1			/* Blob.js
2			* A Blob implementation.
3			* 2014-07-24
4			*
5			* By Eli Grey, http://eligrey.com
6			* By Devin Samarin, https://github.com/dsamarin
7			* License: MIT
8			* See https://github.com/eligrey/Blob.js/blob/master/LICENSE.md
9			*/
10
11			/global self, unescape /
12			/*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true,
13			plusplus: true */
14
15			/! @source http://purl.eligrey.com/github/Blob.js/blob/master/Blob.js /
16
17			(function (view) {
18			"use strict";
19
20			view.URL = view.URL \|\| view.webkitURL;
21
22			if (view.Blob && view.URL) {
23			try {
24			new Blob;
			0 ignored issues – show Unused Code Best Practice introduced 2019-02-08 08:37 UTC by Report Bug Copy Issue Report The object created with `new Blob()` is not used but discarded. Consider invoking another function instead of a constructor if you are doing this purely for side effects. Loading history...
25			return;
26			} catch (e) {}
			0 ignored issues – show Coding Style Comprehensibility Best Practice introduced 2019-02-08 08:37 UTC by Report Bug Copy Issue Report Empty catch clauses should be used with caution; consider adding a comment why this is needed. Loading history...
27			}
28
29			// Internally we use a BlobBuilder implementation to base Blob off of
30			// in order to support older browsers that only have BlobBuilder
31			var BlobBuilder = view.BlobBuilder \|\| view.WebKitBlobBuilder \|\| view.MozBlobBuilder \|\| (function(view) {
32			var
33			get_class = function(object) {
34			return Object.prototype.toString.call(object).match(/^\[object\s(.*)\]$/)[1];
35			}
36			, FakeBlobBuilder = function BlobBuilder() {
37			this.data = [];
38			}
39			, FakeBlob = function Blob(data, type, encoding) {
40			this.data = data;
41			this.size = data.length;
42			this.type = type;
43			this.encoding = encoding;
44			}
45			, FBB_proto = FakeBlobBuilder.prototype
46			, FB_proto = FakeBlob.prototype
47			, FileReaderSync = view.FileReaderSync
48			, FileException = function(type) {
49			this.code = this[this.name = type];
50			}
51			, file_ex_codes = (
52			"NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR "
53			+ "NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR"
54			).split(" ")
55			, file_ex_code = file_ex_codes.length
56			, real_URL = view.URL \|\| view.webkitURL \|\| view
57			, real_create_object_URL = real_URL.createObjectURL
58			, real_revoke_object_URL = real_URL.revokeObjectURL
59			, URL = real_URL
60			, btoa = view.btoa
61			, atob = view.atob
62
63			, ArrayBuffer = view.ArrayBuffer
			0 ignored issues – show Comprehensibility introduced 2019-02-08 08:37 UTC by Report Bug Copy Issue Report You are shadowing the built-in type `ArrayBuffer`. This makes code hard to read, consider using a different name. Loading history...
64			, Uint8Array = view.Uint8Array
			0 ignored issues – show Comprehensibility introduced 2019-02-08 08:37 UTC by Report Bug Copy Issue Report You are shadowing the built-in type `Uint8Array`. This makes code hard to read, consider using a different name. Loading history...
65
66			, origin = /^[\w-]+:\/*\[?[\w\.:-]+\]?(?::[0-9]+)?/
67			;
68			FakeBlob.fake = FB_proto.fake = true;
69			while (file_ex_code--) {
70			FileException.prototype[file_ex_codes[file_ex_code]] = file_ex_code + 1;
71			}
72			// Polyfill URL
73			if (!real_URL.createObjectURL) {
74			URL = view.URL = function(uri) {
75			var
76			uri_info = document.createElementNS("http://www.w3.org/1999/xhtml", "a")
77			, uri_origin
78			;
79			uri_info.href = uri;
80			if (!("origin" in uri_info)) {
81			if (uri_info.protocol.toLowerCase() === "data:") {
82			uri_info.origin = null;
83			} else {
84			uri_origin = uri.match(origin);
85			uri_info.origin = uri_origin && uri_origin[1];
86			}
87			}
88			return uri_info;
89			};
90			}
91			URL.createObjectURL = function(blob) {
92			var
93			type = blob.type
94			, data_URI_header
95			;
96			if (type === null) {
97			type = "application/octet-stream";
98			}
99			if (blob instanceof FakeBlob) {
100			data_URI_header = "data:" + type;
101			if (blob.encoding === "base64") {
102			return data_URI_header + ";base64," + blob.data;
103			} else if (blob.encoding === "URI") {
104			return data_URI_header + "," + decodeURIComponent(blob.data);
105			} if (btoa) {
106			return data_URI_header + ";base64," + btoa(blob.data);
107			} else {
			0 ignored issues – show Comprehensibility introduced 2019-02-08 08:37 UTC by Report Bug Copy Issue Report `else` is not necessary here since all `if` branches return, consider removing it to reduce nesting and make code more readable. Loading history...
108			return data_URI_header + "," + encodeURIComponent(blob.data);
109			}
110			} else if (real_create_object_URL) {
111			return real_create_object_URL.call(real_URL, blob);
112			}
113			};
114			URL.revokeObjectURL = function(object_URL) {
115			if (object_URL.substring(0, 5) !== "data:" && real_revoke_object_URL) {
116			real_revoke_object_URL.call(real_URL, object_URL);
117			}
118			};
119			FBB_proto.append = function(data/, endings/) {
120			var bb = this.data;
121			// decode data to a binary string
122			if (Uint8Array && (data instanceof ArrayBuffer \|\| data instanceof Uint8Array)) {
123			var
124			str = ""
125			, buf = new Uint8Array(data)
126			, i = 0
127			, buf_len = buf.length
128			;
129			for (; i < buf_len; i++) {
130			str += String.fromCharCode(buf[i]);
131			}
132			bb.push(str);
133			} else if (get_class(data) === "Blob" \|\| get_class(data) === "File") {
134			if (FileReaderSync) {
135			var fr = new FileReaderSync;
136			bb.push(fr.readAsBinaryString(data));
137			} else {
138			// async FileReader won't work as BlobBuilder is sync
139			throw new FileException("NOT_READABLE_ERR");
140			}
141			} else if (data instanceof FakeBlob) {
142			if (data.encoding === "base64" && atob) {
143			bb.push(atob(data.data));
144			} else if (data.encoding === "URI") {
145			bb.push(decodeURIComponent(data.data));
146			} else if (data.encoding === "raw") {
147			bb.push(data.data);
148			}
149			} else {
150			if (typeof data !== "string") {
151			data += ""; // convert unsupported types to strings
152			}
153			// decode UTF-16 to binary string
154			bb.push(unescape(encodeURIComponent(data)));
155			}
156			};
157			FBB_proto.getBlob = function(type) {
158			if (!arguments.length) {
159			type = null;
160			}
161			return new FakeBlob(this.data.join(""), type, "raw");
162			};
163			FBB_proto.toString = function() {
164			return "[object BlobBuilder]";
165			};
166			FB_proto.slice = function(start, end, type) {
167			var args = arguments.length;
168			if (args < 3) {
169			type = null;
170			}
171			return new FakeBlob(
172			this.data.slice(start, args > 1 ? end : this.data.length)
173			, type
174			, this.encoding
175			);
176			};
177			FB_proto.toString = function() {
178			return "[object Blob]";
179			};
180			FB_proto.close = function() {
181			this.size = 0;
182			delete this.data;
183			};
184			return FakeBlobBuilder;
185			}(view));
186
187			view.Blob = function(blobParts, options) {
188			var type = options ? (options.type \|\| "") : "";
189			var builder = new BlobBuilder();
190			if (blobParts) {
191			for (var i = 0, len = blobParts.length; i < len; i++) {
192			if (Uint8Array && blobParts[i] instanceof Uint8Array) {
193			builder.append(blobParts[i].buffer);
194			}
195			else {
196			builder.append(blobParts[i]);
197			}
198			}
199			}
200			var blob = builder.getBlob(type);
201			if (!blob.slice && blob.webkitSlice) {
202			blob.slice = blob.webkitSlice;
203			}
204			return blob;
205			};
206
207			var getPrototypeOf = Object.getPrototypeOf \|\| function(object) {
208			return object.__proto__;
209			};
210			view.Blob.prototype = getPrototypeOf(new view.Blob());
211			}(typeof self !== "undefined" && self \|\| typeof window !== "undefined" && window \|\| this.content \|\| this));
212

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third-party/Blob.js-master/Blob.js B last analyzed 2020-01-16 17:41 UTC

Complexity

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2 Functions

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third-party/Blob.js-master/Blob.js B
last analyzed 2020-01-16 17:41 UTC