ESLint: Added regexp/no-super-linear-backtracking rule (#3040)

Author: RunDevelopment

.eslintrc.js

@@ -56,17 +56,18 @@ module.exports = {
 		'jsdoc/require-property-name': 'warn',
 
 		// regexp
-		'regexp/no-empty-capturing-group': 'error',
 		'regexp/no-dupe-disjunctions': 'error',
 		'regexp/no-empty-alternative': 'error',
+		'regexp/no-empty-capturing-group': 'error',
 		'regexp/no-empty-lookarounds-assertion': 'error',
 		'regexp/no-lazy-ends': 'error',
 		'regexp/no-obscure-range': 'error',
 		'regexp/no-optional-assertion': 'error',
 		'regexp/no-standalone-backslash': 'error',
+		'regexp/no-super-linear-backtracking': 'error',
+		'regexp/no-unused-capturing-group': 'error',
 		'regexp/no-zero-quantifier': 'error',
 		'regexp/optimal-lookaround-quantifier': 'error',
-		'regexp/no-unused-capturing-group': 'error',
 
 		'regexp/match-any': 'warn',
 		'regexp/negation': 'warn',

components/prism-core.js

@@ -201,7 +201,7 @@ var Prism = (function (_self) {
 					//    at _.util.currentScript (http://localhost/components/prism-core.js:119:5)
 					//    at Global code (http://localhost/components/prism-core.js:606:1)
 
-					var src = (/at [^(\r\n]*\((.*):.+:.+\)$/i.exec(err.stack) || [])[1];
+					var src = (/at [^(\r\n]*\((.*):[^:]+:[^:]+\)$/i.exec(err.stack) || [])[1];
 					if (src) {
 						var scripts = document.getElementsByTagName('script');
 						for (var i in scripts) {

components/prism-core.min.js

@@ -76,6 +76,7 @@
 
 		/** Should be performed after searching for reserved words. */
 		'name': {
+			// eslint-disable-next-line regexp/no-super-linear-backtracking
 			pattern: wrapId(/(^|[<nonId>])[^\d<nonId>][^<nonId>]*(?:\x20+[^<nonId>]+)*(?=[<nonId>]|$)/.source),
 			lookbehind: true
 		},

components/prism-kumir.js

@@ -91,51 +91,59 @@
 				},
 
 				'inline': {
+					// eslint-disable-next-line regexp/no-super-linear-backtracking
 					pattern: withModifier(/(^|[^a-zA-Z\d])(\*\*|__|\?\?|[*_%@+\-^~])<MOD>*.+?\2(?![a-zA-Z\d])/.source),
 					lookbehind: true,
 					inside: {
 						// Note: superscripts and subscripts are not handled specifically
 
 						// *bold*, **bold**
 						'bold': {
+							// eslint-disable-next-line regexp/no-super-linear-backtracking
 							pattern: withModifier(/(^(\*\*?)<MOD>*).+?(?=\2)/.source),
 							lookbehind: true
 						},
 
 						// _italic_, __italic__
 						'italic': {
+							// eslint-disable-next-line regexp/no-super-linear-backtracking
 							pattern: withModifier(/(^(__?)<MOD>*).+?(?=\2)/.source),
 							lookbehind: true
 						},
 
 						// ??cite??
 						'cite': {
+							// eslint-disable-next-line regexp/no-super-linear-backtracking
 							pattern: withModifier(/(^\?\?<MOD>*).+?(?=\?\?)/.source),
 							lookbehind: true,
 							alias: 'string'
 						},
 
 						// @code@
 						'code': {
+							// eslint-disable-next-line regexp/no-super-linear-backtracking
 							pattern: withModifier(/(^@<MOD>*).+?(?=@)/.source),
 							lookbehind: true,
 							alias: 'keyword'
 						},
 
 						// +inserted+
 						'inserted': {
+							// eslint-disable-next-line regexp/no-super-linear-backtracking
 							pattern: withModifier(/(^\+<MOD>*).+?(?=\+)/.source),
 							lookbehind: true
 						},
 
 						// -deleted-
 						'deleted': {
+							// eslint-disable-next-line regexp/no-super-linear-backtracking
 							pattern: withModifier(/(^-<MOD>*).+?(?=-)/.source),
 							lookbehind: true
 						},
 
 						// %span%
 						'span': {
+							// eslint-disable-next-line regexp/no-super-linear-backtracking
 							pattern: withModifier(/(^%<MOD>*).+?(?=%)/.source),
 							lookbehind: true
 						},
@@ -168,9 +176,11 @@
 				// "text":http://example.com
 				// "text":link-ref
 				'link': {
+					// eslint-disable-next-line regexp/no-super-linear-backtracking
 					pattern: withModifier(/"<MOD>*[^"]+":.+?(?=[^\w/]?(?:\s|$))/.source),
 					inside: {
 						'text': {
+							// eslint-disable-next-line regexp/no-super-linear-backtracking
 							pattern: withModifier(/(^"<MOD>*)[^"]+(?=")/.source),
 							lookbehind: true
 						},

components/prism-textile.js

@@ -254,7 +254,7 @@ <h1 class="page-title">prism-core.js</h1>
 					//    at _.util.currentScript (http://localhost/components/prism-core.js:119:5)
 					//    at Global code (http://localhost/components/prism-core.js:606:1)
 
-					var src = (/at [^(\r\n]*\((.*):.+:.+\)$/i.exec(err.stack) || [])[1];
+					var src = (/at [^(\r\n]*\((.*):[^:]+:[^:]+\)$/i.exec(err.stack) || [])[1];
 					if (src) {
 						var scripts = document.getElementsByTagName('script');
 						for (var i in scripts) {

docs/prism-core.js.html

@@ -58,6 +58,7 @@ function createSortedArray(compareFn) {
  * @typedef {"A" | "C" | "D" | "M" | "R" | "T" | "U" | "X" | "B"} ChangeMode
  */
 async function getCommitInfo(line) {
+	// eslint-disable-next-line regexp/no-super-linear-backtracking
 	const [, hash, message] = /^([a-f\d]+)\s+(.*)$/i.exec(line);
 
 	/* The output looks like this:

gulpfile.js/changelog.js

@@ -206,7 +206,7 @@ var Prism = (function (_self) {
 					//    at _.util.currentScript (http://localhost/components/prism-core.js:119:5)
 					//    at Global code (http://localhost/components/prism-core.js:606:1)
 
-					var src = (/at [^(\r\n]*\((.*):.+:.+\)$/i.exec(err.stack) || [])[1];
+					var src = (/at [^(\r\n]*\((.*):[^:]+:[^:]+\)$/i.exec(err.stack) || [])[1];
 					if (src) {
 						var scripts = document.getElementsByTagName('script');
 						for (var i in scripts) {