Enable no-useless-escape ESLint rule

These fixes maintain the current functionality and do not make any
changes to the matching of the regular expressions.

extensions/ql-vscode/.eslintrc.js

@@ -47,7 +47,6 @@ const baseConfig = {
     "@typescript-eslint/no-throw-literal": "error",
     "@typescript-eslint/consistent-type-imports": "error",
     "import/consistent-type-specifier-style": ["error", "prefer-top-level"],
-    "no-useless-escape": 0,
     camelcase: "off",
     curly: ["error", "all"],
     "escompat/no-regexp-lookbehind": "off",

extensions/ql-vscode/src/common/helpers-pure.ts

@@ -40,13 +40,13 @@ export const asyncFilter = async function <T>(
  * - `owner` is made up of alphanumeric characters, hyphens, underscores, or periods
  * - `repo` is made up of alphanumeric characters, hyphens, underscores, or periods
  */
-export const REPO_REGEX = /^[a-zA-Z0-9-_\.]+\/[a-zA-Z0-9-_\.]+$/;
+export const REPO_REGEX = /^[a-zA-Z0-9-_.]+\/[a-zA-Z0-9-_.]+$/;
 
 /**
  * This regex matches GiHub organization and user strings. These are made up for alphanumeric
  * characters, hyphens, underscores or periods.
  */
-export const OWNER_REGEX = /^[a-zA-Z0-9-_\.]+$/;
+export const OWNER_REGEX = /^[a-zA-Z0-9-_.]+$/;
 
 export function getErrorMessage(e: unknown): string {
   if (e instanceof RedactableError) {

extensions/ql-vscode/src/common/sarif-utils.ts

@@ -47,7 +47,7 @@ export function parseSarifPlainTextMessage(
   // Technically we could have any uri in the target but we don't output that yet.
   // The possibility of escaping outside the link is not mentioned in the sarif spec but we always output sartif this way.
   const linkRegex =
-    /(?<=(?<!\\)(\\\\)*)\[(?<linkText>([^\\\]\[]|\\\\|\\\]|\\\[)*)\]\((?<linkTarget>[0-9]+)\)/g;
+    /(?<=(?<!\\)(\\\\)*)\[(?<linkText>([^\\\][]|\\\\|\\\]|\\\[)*)\]\((?<linkTarget>[0-9]+)\)/g;
   let result: RegExpExecArray | null;
   let curIndex = 0;
   while ((result = linkRegex.exec(message)) !== null) {

extensions/ql-vscode/src/extension.ts

@@ -607,11 +607,11 @@ async function getDistributionDisplayingDistributionWarnings(
           case DistributionKind.ExtensionManaged:
             return 'Please update the CodeQL CLI by running the "CodeQL: Check for CLI Updates" command.';
           case DistributionKind.CustomPathConfig:
-            return `Please update the \"CodeQL CLI Executable Path\" setting to point to a CLI in the version range ${codeQlVersionRange}.`;
+            return `Please update the "CodeQL CLI Executable Path" setting to point to a CLI in the version range ${codeQlVersionRange}.`;
           case DistributionKind.PathEnvironmentVariable:
             return (
               `Please update the CodeQL CLI on your PATH to a version compatible with ${codeQlVersionRange}, or ` +
-              `set the \"CodeQL CLI Executable Path\" setting to the path of a CLI version compatible with ${codeQlVersionRange}.`
+              `set the "CodeQL CLI Executable Path" setting to the path of a CLI version compatible with ${codeQlVersionRange}.`
             );
         }
       })();

extensions/ql-vscode/src/language-support/language-support.ts

@@ -18,7 +18,7 @@ export function install() {
   langConfig.wordPattern = new RegExp(langConfig.wordPattern);
   langConfig.onEnterRules = onEnterRules;
   langConfig.indentationRules = {
-    decreaseIndentPattern: /^((?!.*?\/\*).*\*\/)?\s*[\}\]].*$/,
+    decreaseIndentPattern: /^((?!.*?\/\*).*\*\/)?\s*[}\]].*$/,
     increaseIndentPattern: /^((?!\/\/).)*(\{[^}"'`]*|\([^)"'`]*|\[[^\]"'`]*)$/,
   };
   delete langConfig.autoClosingPairs;
@@ -31,18 +31,18 @@ export function install() {
 const onEnterRules: OnEnterRule[] = [
   {
     // e.g. /** | */
-    beforeText: /^\s*\/\*\*(?!\/)([^\*]|\*(?!\/))*$/,
+    beforeText: /^\s*\/\*\*(?!\/)([^*]|\*(?!\/))*$/,
     afterText: /^\s*\*\/$/,
     action: { indentAction: IndentAction.IndentOutdent, appendText: " * " },
   },
   {
     // e.g. /** ...|
-    beforeText: /^\s*\/\*\*(?!\/)([^\*]|\*(?!\/))*$/,
+    beforeText: /^\s*\/\*\*(?!\/)([^*]|\*(?!\/))*$/,
     action: { indentAction: IndentAction.None, appendText: " * " },
   },
   {
     // e.g.  * ...|
-    beforeText: /^(\t|[ ])*[ ]\*([ ]([^\*]|\*(?!\/))*)?$/,
+    beforeText: /^(\t|[ ])*[ ]\*([ ]([^*]|\*(?!\/))*)?$/,
     // oneLineAboveText: /^(\s*(\/\*\*|\*)).*/,
     action: { indentAction: IndentAction.None, appendText: "* " },
   },

extensions/ql-vscode/src/variant-analysis/export-results.ts

@@ -356,7 +356,7 @@ async function exportToLocalMarkdown(
   // This needs to use .then to ensure we aren't keeping the progress notification open. We shouldn't await the
   // "Open exported results" button click.
   void showInformationMessageWithAction(
-    `Variant analysis results exported to \"${exportedResultsPath}\".`,
+    `Variant analysis results exported to "${exportedResultsPath}".`,
     "Open exported results",
   ).then(async (shouldOpenExportedResults) => {
     if (!shouldOpenExportedResults) {