More syntax highlighting fix (#60)

* string escape newline with backslash

* fix multiple divisions in the same line matched as regex

* fixed some issues that failed test cases

* Revert lockfile changes

* Prefer modern corepack config over yarnpath

* Update gitignore

* Deduplicate dependencies

* Use corepack in workflow

---------

Co-authored-by: Richard Dominick <[email protected]>

Author: mug1wara26

.github/workflows/check.yml

@@ -8,6 +8,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+      - name: Enable corepack for Yarn
+        run: corepack enable
       - name: Setup NodeJS
         uses: actions/setup-node@v4
         with:
@@ -25,6 +27,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+      - name: Enable corepack for Yarn
+        run: corepack enable
       - name: Setup NodeJS
         uses: actions/setup-node@v4
         with:

.github/workflows/publish.yml

@@ -35,6 +35,9 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Enable corepack for Yarn
+        run: corepack enable
+
       - name: Setup NodeJS
         uses: actions/setup-node@v4
         with:

.gitignore

@@ -3,12 +3,7 @@
 
 # Yarn Berry
 .pnp.*
-.yarn/*
-!.yarn/patches
-!.yarn/plugins
-!.yarn/releases
-!.yarn/sdks
-!.yarn/versions
+.yarn/install-state.gz
 
 # Intermediate files
 syntaxes/source.tmLanguage.json
@@ -23,5 +18,5 @@ yarn-error.log
 # Misc
 .DS_Store
 
-# No longer needed
+# Dependencies
 node_modules/

.yarnrc.yml

@@ -167,5 +167,5 @@
     "showdown": "^2.1.0",
     "vscode-languageclient": "^9.0.1"
   },
-  "packageManager": "yarn@1.22.22+sha1.ac34549e6aa8e7ead463a7407e1c7390f61a6610"
+  "packageManager": "yarn@4.6.0"
 }

package.json

@@ -164,18 +164,46 @@ repository:
       regex-literal:
         patterns:
           - name: invalid.illegal.string.regexp
-            match: \/.+\/(?<!\/\/)(?!\/)\w*
+            begin: '(?<=[=(:!,+-]|^|return)\s*(/)(?![/*+{}?])'
+            end: "(/)[igm]*"
+            beginCaptures:
+              "0": { name: invalid.illegal.string.regexp }
+            endCaptures:
+              "0": { name: invalid.illegal.string.regexp }
+            patterns:
+              - name: constant.character.escape
+                match: \\.
 
   string:
     patterns:
       - name: string.quoted.double
-        match: '".*"'
-        captures:
-          "0": { patterns: [{ include: "#string-character-escape" }] }
+        begin: '"'
+        beginCaptures:
+          "0": { name: punctuation.definition.string.begin }
+        end: '"'
+        endCaptures:
+          "0": { name: punctuation.definition.string.end }
+        patterns:
+          - include: "#string-character-escape"
+          - match: '\\\n'
+            name: constant.character.escape.newline
+          - match: "\\\\(n|r|t|b|f|v|\\\\|\"|'|0|x[0-9A-Fa-f]{2}|u\\{[0-9A-Fa-f]+\\}|u[0-9A-Fa-f]{4})"
+            name: constant.character.escape
+          - match: '\\.'
+            name: invalid.illegal.invalid-escape
       - name: string.quoted.single
-        match: "'.*'"
-        captures:
-          "0": { patterns: [{ include: "#string-character-escape" }] }
+        begin: "'"
+        beginCaptures:
+          "0": { name: punctuation.definition.string.begin }
+        end: "'"
+        endCaptures:
+          "0": { name: punctuation.definition.string.end }
+        patterns:
+          - include: "#string-character-escape"
+          - match: '\\\n'
+            name: constant.character.escape.newline
+          - match: '\\.'
+            name: constant.character.escape
       - name: string.quoted.other
         begin: "`"
         end: "`"
@@ -204,7 +232,6 @@ repository:
         patterns:
           - include: "#comment"
           - include: "#block"
-      - name: meta.arrow
 
   function-call:
     patterns:

syntaxes/source.tmLanguage.yaml

@@ -981,19 +981,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"debug@npm:4":
-  version: 4.3.7
-  resolution: "debug@npm:4.3.7"
-  dependencies:
-    ms: "npm:^2.1.3"
-  peerDependenciesMeta:
-    supports-color:
-      optional: true
-  checksum: 10c0/1471db19c3b06d485a622d62f65947a19a23fbd0dd73f7fd3eafb697eec5360cde447fb075919987899b1a2096e85d35d4eb5a4de09a57600ac9cf7e6c8e768b
-  languageName: node
-  linkType: hard
-
-"debug@npm:^4.3.4, debug@npm:^4.4.0":
+"debug@npm:4, debug@npm:^4.3.4, debug@npm:^4.4.0":
   version: 4.4.0
   resolution: "debug@npm:4.4.0"
   dependencies:
@@ -2836,16 +2824,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"semver@npm:^7.3.5":
-  version: 7.6.3
-  resolution: "semver@npm:7.6.3"
-  bin:
-    semver: bin/semver.js
-  checksum: 10c0/88f33e148b210c153873cb08cfe1e281d518aaa9a666d4d148add6560db5cd3c582f3a08ccb91f38d5f379ead256da9931234ed122057f40bb5766e65e58adaf
-  languageName: node
-  linkType: hard
-
-"semver@npm:^7.3.7, semver@npm:^7.5.2, semver@npm:^7.5.4":
+"semver@npm:^7.3.5, semver@npm:^7.3.7, semver@npm:^7.5.2, semver@npm:^7.5.4":
   version: 7.7.1
   resolution: "semver@npm:7.7.1"
   bin: