Locally add prismjs

node_modules/prismjs/components/prism-js-extras.js

@@ -0,0 +1,135 @@
+(function (Prism) {
+
+	Prism.languages.insertBefore('javascript', 'function-variable', {
+		'method-variable': {
+			pattern: RegExp('(\\.\\s*)' + Prism.languages.javascript['function-variable'].pattern.source),
+			lookbehind: true,
+			alias: ['function-variable', 'method', 'function', 'property-access']
+		}
+	});
+
+	Prism.languages.insertBefore('javascript', 'function', {
+		'method': {
+			pattern: RegExp('(\\.\\s*)' + Prism.languages.javascript['function'].source),
+			lookbehind: true,
+			alias: ['function', 'property-access']
+		}
+	});
+
+	Prism.languages.insertBefore('javascript', 'constant', {
+		'known-class-name': [
+			{
+				// standard built-ins
+				// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects
+				pattern: /\b(?:(?:Float(?:32|64)|(?:Int|Uint)(?:8|16|32)|Uint8Clamped)?Array|ArrayBuffer|BigInt|Boolean|DataView|Date|Error|Function|Intl|JSON|(?:Weak)?(?:Map|Set)|Math|Number|Object|Promise|Proxy|Reflect|RegExp|String|Symbol|WebAssembly)\b/,
+				alias: 'class-name'
+			},
+			{
+				// errors
+				pattern: /\b(?:[A-Z]\w*)Error\b/,
+				alias: 'class-name'
+			}
+		]
+	});
+
+	/**
+	 * Replaces the `<ID>` placeholder in the given pattern with a pattern for general JS identifiers.
+	 *
+	 * @param {string} source
+	 * @param {string} [flags]
+	 * @returns {RegExp}
+	 */
+	function withId(source, flags) {
+		return RegExp(
+			source.replace(/<ID>/g, function () { return /(?!\s)[_$a-zA-Z\xA0-\uFFFF](?:(?!\s)[$\w\xA0-\uFFFF])*/.source; }),
+			flags);
+	}
+	Prism.languages.insertBefore('javascript', 'keyword', {
+		'imports': {
+			// https://tc39.es/ecma262/#sec-imports
+			pattern: withId(/(\bimport\b\s*)(?:<ID>(?:\s*,\s*(?:\*\s*as\s+<ID>|\{[^{}]*\}))?|\*\s*as\s+<ID>|\{[^{}]*\})(?=\s*\bfrom\b)/.source),
+			lookbehind: true,
+			inside: Prism.languages.javascript
+		},
+		'exports': {
+			// https://tc39.es/ecma262/#sec-exports
+			pattern: withId(/(\bexport\b\s*)(?:\*(?:\s*as\s+<ID>)?(?=\s*\bfrom\b)|\{[^{}]*\})/.source),
+			lookbehind: true,
+			inside: Prism.languages.javascript
+		}
+	});
+
+	Prism.languages.javascript['keyword'].unshift(
+		{
+			pattern: /\b(?:as|default|export|from|import)\b/,
+			alias: 'module'
+		},
+		{
+			pattern: /\b(?:await|break|catch|continue|do|else|finally|for|if|return|switch|throw|try|while|yield)\b/,
+			alias: 'control-flow'
+		},
+		{
+			pattern: /\bnull\b/,
+			alias: ['null', 'nil']
+		},
+		{
+			pattern: /\bundefined\b/,
+			alias: 'nil'
+		}
+	);
+
+	Prism.languages.insertBefore('javascript', 'operator', {
+		'spread': {
+			pattern: /\.{3}/,
+			alias: 'operator'
+		},
+		'arrow': {
+			pattern: /=>/,
+			alias: 'operator'
+		}
+	});
+
+	Prism.languages.insertBefore('javascript', 'punctuation', {
+		'property-access': {
+			pattern: withId(/(\.\s*)#?<ID>/.source),
+			lookbehind: true
+		},
+		'maybe-class-name': {
+			pattern: /(^|[^$\w\xA0-\uFFFF])[A-Z][$\w\xA0-\uFFFF]+/,
+			lookbehind: true
+		},
+		'dom': {
+			// this contains only a few commonly used DOM variables
+			pattern: /\b(?:document|(?:local|session)Storage|location|navigator|performance|window)\b/,
+			alias: 'variable'
+		},
+		'console': {
+			pattern: /\bconsole(?=\s*\.)/,
+			alias: 'class-name'
+		}
+	});
+
+
+	// add 'maybe-class-name' to tokens which might be a class name
+	var maybeClassNameTokens = ['function', 'function-variable', 'method', 'method-variable', 'property-access'];
+
+	for (var i = 0; i < maybeClassNameTokens.length; i++) {
+		var token = maybeClassNameTokens[i];
+		var value = Prism.languages.javascript[token];
+
+		// convert regex to object
+		if (Prism.util.type(value) === 'RegExp') {
+			value = Prism.languages.javascript[token] = {
+				pattern: value
+			};
+		}
+
+		// keep in mind that we don't support arrays
+
+		var inside = value.inside || {};
+		value.inside = inside;
+
+		inside['maybe-class-name'] = /^[A-Z][\s\S]*/;
+	}
+
+}(Prism));