Supports JSON files with comments

.github/workflows/main.yml

@@ -1,6 +1,10 @@
 name: main
 
-on: [push]
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
 
 jobs:
   test:

package.json

@@ -25,13 +25,14 @@
     "@types/node": "^13.7.7",
     "@types/yarnpkg__lockfile": "^1.1.3",
     "hard-source-webpack-plugin": "^0.13.1",
+    "strip-json-comments": "^3.1.1",
     "ts-loader": "^6.2.2",
     "typescript": "^3.8.3",
     "webpack": "^4.42.1",
     "webpack-cli": "^3.3.11"
   },
   "dependencies": {
-    "@actions/core": "^1.2.3",
+    "@actions/core": "^1.2.4",
     "@yarnpkg/lockfile": "^1.1.0",
     "concat-stream": "^2.0.0",
     "glob": "^7.1.6"

src/doctor.ts

@@ -5,6 +5,7 @@ import { createHost, createService } from './langSvc'
 import { Reporter } from './reporter'
 import { FileEntry } from './types'
 import { getAllLibs, uniq } from './utils'
+import stripJsonComments from 'strip-json-comments'
 
 export class Doctor {
   private service: _ts.LanguageService
@@ -19,30 +20,35 @@ export class Doctor {
   }
 
   static fromConfigFile(configPath: string, ts: typeof _ts): Doctor {
-    const content = fs.readFileSync(configPath).toString();
-    const parsed = ts.parseJsonConfigFileContent(
+    const content = stripJsonComments(fs.readFileSync(configPath).toString(), {whitespace: false});
+    try {
+      const parsed = ts.parseJsonConfigFileContent(
         JSON.parse(content),
         ts.sys,
         path.dirname(configPath)
-    );
-    const compilerOptions = parsed.options
-
-    const defaultLibFileName = _ts.getDefaultLibFileName(compilerOptions)
-    const libs =  [defaultLibFileName, ...(compilerOptions.lib || [])]
-    const allLibs = getAllLibs(uniq(libs))
-
-    /**
-     * Note:
-     * 
-     * since we use CDN-hosted TS runtime, which is a bundled version,
-     * we need to manually added lib.*.d.ts. 
-     */
-    const fileNames = [
-      ...parsed.fileNames,
-      ...allLibs
-    ]
-
-    return new Doctor(fileNames, compilerOptions, ts)
+      );
+      const compilerOptions = parsed.options
+
+      const defaultLibFileName = _ts.getDefaultLibFileName(compilerOptions)
+      const libs =  [defaultLibFileName, ...(compilerOptions.lib || [])]
+      const allLibs = getAllLibs(uniq(libs))
+
+      /**
+       * Note:
+       * 
+       * since we use CDN-hosted TS runtime, which is a bundled version,
+       * we need to manually added lib.*.d.ts. 
+       */
+      const fileNames = [
+        ...parsed.fileNames,
+        ...allLibs
+      ]
+
+      return new Doctor(fileNames, compilerOptions, ts)
+    } catch (error) {
+      console.error(error)
+      throw error
+    }
   }
 
   getSemanticDiagnostics() {

yarn.lock

@@ -2,10 +2,10 @@
 # yarn lockfile v1
 
 
-"@actions/core@^1.2.3":
-  version "1.2.3"
-  resolved "https://registry.yarnpkg.com/@actions/core/-/core-1.2.3.tgz#e844b4fa0820e206075445079130868f95bfca95"
-  integrity sha512-Wp4xnyokakM45Uuj4WLUxdsa8fJjKVl1fDTsPbTEcTcuu0Nb26IPQbOtjmnfaCPGcaoPOOqId8H9NapZ8gii4w==
+"@actions/core@^1.2.4":
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/@actions/core/-/core-1.2.4.tgz#96179dbf9f8d951dd74b40a0dbd5c22555d186ab"
+  integrity sha512-YJCEq8BE3CdN8+7HPZ/4DxJjk/OkZV2FFIf+DlZTC/4iBlzYCD5yjRR6eiOS5llO11zbRltIRuKAjMKaWTE6cg==
 
 "@types/concat-stream@^1.6.0":
   version "1.6.0"
@@ -2509,6 +2509,11 @@ strip-eof@^1.0.0:
   resolved "https://registry.yarnpkg.com/strip-eof/-/strip-eof-1.0.0.tgz#bb43ff5598a6eb05d89b59fcd129c983313606bf"
   integrity sha1-u0P/VZim6wXYm1n80SnJgzE2Br8=
 
+strip-json-comments@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-3.1.1.tgz#31f1281b3832630434831c310c01cccda8cbe006"
+  integrity sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig==
+
 [email protected]:
   version "6.1.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-6.1.0.tgz#0764abc69c63d5ac842dd4867e8d025e880df8f3"