Added JSON5 language (#1744)

This adds the JSON5 language to Prism.

Author: RunDevelopment

components.js

@@ -421,6 +421,11 @@
 			"require": "json",
 			"owner": "RunDevelopment"
 		},
+		"json5": {
+			"title": "JSON5",
+			"require": "json",
+			"owner": "RunDevelopment"
+		},
 		"julia": {
 			"title": "Julia",
 			"owner": "cdagnino"

components.json

@@ -0,0 +1,23 @@
+(function (Prism) {
+
+	var string = /("|')(?:\\(?:\r\n?|\n|.)|(?!\1)[^\\\r\n])*\1/
+
+	Prism.languages.json5 = Prism.languages.extend('json', {
+		'property': [
+			{
+				pattern: RegExp(string.source + '(?=\\s*:)'),
+				greedy: true
+			},
+			{
+				pattern: /[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*:)/,
+				alias: 'unquoted'
+			}
+		],
+		'string': {
+			pattern: string,
+			greedy: true
+		},
+		'number': /[+-]?(?:NaN|Infinity|0x[a-fA-F\d]+|(?:\d+\.?\d*|\.\d+)(?:[eE][+-]?\d+)?)/
+	});
+
+}(Prism));

components/prism-json5.js

@@ -0,0 +1,13 @@
+<h2>Full example</h2>
+<pre><code>{
+  // comments
+  unquoted: 'and you can quote me on that',
+  singleQuotes: 'I can use "double quotes" here',
+  lineBreaks: "Look, Mom! \
+No \\n's!",
+  hexadecimal: 0xdecaf,
+  leadingDecimalPoint: .8675309, andTrailing: 8675309.,
+  positiveSign: +1,
+  trailingComma: 'in objects', andIn: ['arrays',],
+  "backwardsCompatible": "with JSON",
+}</code></pre>

components/prism-json5.min.js

@@ -4,7 +4,7 @@
 	}
 
 	// The dependencies map is built automatically with gulp
-	var lang_dependencies = /*languages_placeholder[*/{"javascript":"clike","actionscript":"javascript","arduino":"cpp","aspnet":["markup","csharp"],"bison":"c","c":"clike","csharp":"clike","cpp":"c","coffeescript":"javascript","crystal":"ruby","css-extras":"css","d":"clike","dart":"clike","django":"markup","erb":["ruby","markup-templating"],"fsharp":"clike","flow":"javascript","glsl":"clike","gml":"clike","go":"clike","groovy":"clike","haml":"ruby","handlebars":"markup-templating","haxe":"clike","java":"clike","jolie":"clike","jsonp":"json","kotlin":"clike","less":"css","markdown":"markup","markup-templating":"markup","n4js":"javascript","nginx":"clike","objectivec":"c","opencl":"cpp","parser":"markup","php":["clike","markup-templating"],"php-extras":"php","plsql":"sql","processing":"clike","protobuf":"clike","pug":"javascript","qore":"clike","jsx":["markup","javascript"],"tsx":["jsx","typescript"],"reason":"clike","ruby":"clike","sass":"css","scss":"css","scala":"java","smarty":"markup-templating","soy":"markup-templating","swift":"clike","tap":"yaml","textile":"markup","tt2":["clike","markup-templating"],"twig":"markup","typescript":"javascript","vala":"clike","vbnet":"basic","velocity":"markup","wiki":"markup","xeora":"markup","xquery":"markup"}/*]*/;
+	var lang_dependencies = /*languages_placeholder[*/{"javascript":"clike","actionscript":"javascript","arduino":"cpp","aspnet":["markup","csharp"],"bison":"c","c":"clike","csharp":"clike","cpp":"c","coffeescript":"javascript","crystal":"ruby","css-extras":"css","d":"clike","dart":"clike","django":"markup","erb":["ruby","markup-templating"],"fsharp":"clike","flow":"javascript","glsl":"clike","gml":"clike","go":"clike","groovy":"clike","haml":"ruby","handlebars":"markup-templating","haxe":"clike","java":"clike","jolie":"clike","jsonp":"json","json5":"json","kotlin":"clike","less":"css","markdown":"markup","markup-templating":"markup","n4js":"javascript","nginx":"clike","objectivec":"c","opencl":"cpp","parser":"markup","php":["clike","markup-templating"],"php-extras":"php","plsql":"sql","processing":"clike","protobuf":"clike","pug":"javascript","qore":"clike","jsx":["markup","javascript"],"tsx":["jsx","typescript"],"reason":"clike","ruby":"clike","sass":"css","scss":"css","scala":"java","smarty":"markup-templating","soy":"markup-templating","swift":"clike","tap":"yaml","textile":"markup","tt2":["clike","markup-templating"],"twig":"markup","typescript":"javascript","vala":"clike","vbnet":"basic","velocity":"markup","wiki":"markup","xeora":"markup","xquery":"markup"}/*]*/;
 
 	var lang_data = {};
 
@@ -206,4 +206,4 @@
 		}
 	});
 
-}());
+}());

examples/prism-json5.html

@@ -11,7 +11,7 @@ if (!Prism.plugins.toolbar) {
 }
 
 // The languages map is built automatically with gulp
-var Languages = /*languages_placeholder[*/{"html":"HTML","xml":"XML","svg":"SVG","mathml":"MathML","css":"CSS","clike":"C-like","js":"JavaScript","abap":"ABAP","abnf":"Augmented Backus–Naur form","apacheconf":"Apache Configuration","apl":"APL","arff":"ARFF","asciidoc":"AsciiDoc","adoc":"AsciiDoc","asm6502":"6502 Assembly","aspnet":"ASP.NET (C#)","autohotkey":"AutoHotkey","autoit":"AutoIt","shell":"Bash","basic":"BASIC","bnf":"Backus–Naur form","rbfn":"Routing Backus–Naur form","csharp":"C#","dotnet":"C#","cpp":"C++","cil":"CIL","csp":"Content-Security-Policy","css-extras":"CSS Extras","django":"Django/Jinja2","jinja2":"Django/Jinja2","dockerfile":"Docker","ebnf":"Extended Backus–Naur form","erb":"ERB","fsharp":"F#","gcode":"G-code","gedcom":"GEDCOM","glsl":"GLSL","gml":"GameMaker Language","gamemakerlanguage":"GameMaker Language","graphql":"GraphQL","hcl":"HCL","http":"HTTP","hpkp":"HTTP Public-Key-Pins","hsts":"HTTP Strict-Transport-Security","ichigojam":"IchigoJam","inform7":"Inform 7","javastacktrace":"Java stack trace","json":"JSON","jsonp":"JSONP","latex":"LaTeX","emacs":"Lisp","elisp":"Lisp","emacs-lisp":"Lisp","lolcode":"LOLCODE","markup-templating":"Markup templating","matlab":"MATLAB","mel":"MEL","n1ql":"N1QL","n4js":"N4JS","n4jsd":"N4JS","nand2tetris-hdl":"Nand To Tetris HDL","nasm":"NASM","nginx":"nginx","nsis":"NSIS","objectivec":"Objective-C","ocaml":"OCaml","opencl":"OpenCL","parigp":"PARI/GP","objectpascal":"Object Pascal","php":"PHP","php-extras":"PHP Extras","plsql":"PL/SQL","powershell":"PowerShell","properties":".properties","protobuf":"Protocol Buffers","q":"Q (kdb+ database)","jsx":"React JSX","tsx":"React TSX","renpy":"Ren'py","rest":"reST (reStructuredText)","sas":"SAS","sass":"Sass (Sass)","scss":"Sass (Scss)","sql":"SQL","soy":"Soy (Closure Template)","tap":"TAP","toml":"TOML","tt2":"Template Toolkit 2","ts":"TypeScript","vbnet":"VB.Net","vhdl":"VHDL","vim":"vim","visual-basic":"Visual Basic","vb":"Visual Basic","wasm":"WebAssembly","wiki":"Wiki markup","xeoracube":"XeoraCube","xojo":"Xojo (REALbasic)","xquery":"XQuery","yaml":"YAML"}/*]*/;
+var Languages = /*languages_placeholder[*/{"html":"HTML","xml":"XML","svg":"SVG","mathml":"MathML","css":"CSS","clike":"C-like","js":"JavaScript","abap":"ABAP","abnf":"Augmented Backus–Naur form","apacheconf":"Apache Configuration","apl":"APL","arff":"ARFF","asciidoc":"AsciiDoc","adoc":"AsciiDoc","asm6502":"6502 Assembly","aspnet":"ASP.NET (C#)","autohotkey":"AutoHotkey","autoit":"AutoIt","shell":"Bash","basic":"BASIC","bnf":"Backus–Naur form","rbfn":"Routing Backus–Naur form","csharp":"C#","dotnet":"C#","cpp":"C++","cil":"CIL","csp":"Content-Security-Policy","css-extras":"CSS Extras","django":"Django/Jinja2","jinja2":"Django/Jinja2","dockerfile":"Docker","ebnf":"Extended Backus–Naur form","erb":"ERB","fsharp":"F#","gcode":"G-code","gedcom":"GEDCOM","glsl":"GLSL","gml":"GameMaker Language","gamemakerlanguage":"GameMaker Language","graphql":"GraphQL","hcl":"HCL","http":"HTTP","hpkp":"HTTP Public-Key-Pins","hsts":"HTTP Strict-Transport-Security","ichigojam":"IchigoJam","inform7":"Inform 7","javastacktrace":"Java stack trace","json":"JSON","jsonp":"JSONP","json5":"JSON5","latex":"LaTeX","emacs":"Lisp","elisp":"Lisp","emacs-lisp":"Lisp","lolcode":"LOLCODE","markup-templating":"Markup templating","matlab":"MATLAB","mel":"MEL","n1ql":"N1QL","n4js":"N4JS","n4jsd":"N4JS","nand2tetris-hdl":"Nand To Tetris HDL","nasm":"NASM","nginx":"nginx","nsis":"NSIS","objectivec":"Objective-C","ocaml":"OCaml","opencl":"OpenCL","parigp":"PARI/GP","objectpascal":"Object Pascal","php":"PHP","php-extras":"PHP Extras","plsql":"PL/SQL","powershell":"PowerShell","properties":".properties","protobuf":"Protocol Buffers","q":"Q (kdb+ database)","jsx":"React JSX","tsx":"React TSX","renpy":"Ren'py","rest":"reST (reStructuredText)","sas":"SAS","sass":"Sass (Sass)","scss":"Sass (Scss)","sql":"SQL","soy":"Soy (Closure Template)","tap":"TAP","toml":"TOML","tt2":"Template Toolkit 2","ts":"TypeScript","vbnet":"VB.Net","vhdl":"VHDL","vim":"vim","visual-basic":"Visual Basic","vb":"Visual Basic","wasm":"WebAssembly","wiki":"Wiki markup","xeoracube":"XeoraCube","xojo":"Xojo (REALbasic)","xquery":"XQuery","yaml":"YAML"}/*]*/;
 
 Prism.plugins.toolbar.registerButton('show-language', function(env) {
 	var pre = env.element.parentNode;