feat: add support for TypeScript 5.x (#211)

package.json

@@ -88,10 +88,10 @@
     "prettier": "^2.8.4",
     "sass-svg": "^1.2.0",
     "ts-jest": "^29.0.5",
-    "typescript": "^4.9.5"
+    "typescript": "5.0.1-rc"
   },
   "peerDependencies": {
-    "typescript": ">=3.9.0"
+    "typescript": ">=4.0.0"
   },
   "pnpm": {
     "peerDependencyRules": {

src/helpers/getDtsSnapshot.ts

@@ -1,3 +1,4 @@
+import { readFileSync } from 'fs';
 import tsModule from 'typescript/lib/tsserverlibrary';
 import { Options } from '../options';
 import { getCssExports } from './getCssExports';
@@ -9,23 +10,12 @@ export const getDtsSnapshot = (
   ts: typeof tsModule,
   processor: Processor,
   fileName: string,
-  scriptSnapshot: ts.IScriptSnapshot,
   options: Options,
   logger: Logger,
   compilerOptions: tsModule.CompilerOptions,
   directory: string,
 ): tsModule.IScriptSnapshot => {
-  const css = scriptSnapshot.getText(0, scriptSnapshot.getLength());
-
-  /*
-   * TODO: Temporary workaround for:
-   * https://github.com/mrmckeb/typescript-plugin-css-modules/issues/41
-   * Needs investigation for a more elegant solution.
-   */
-  if (css.includes('export default classes')) {
-    return scriptSnapshot;
-  }
-
+  const css = readFileSync(fileName, 'utf-8');
   const cssExports = getCssExports({
     css,
     fileName,

src/helpers/logger.ts

@@ -1,9 +1,11 @@
+import { server } from 'typescript/lib/tsserverlibrary';
+
 export interface Logger {
   log: (message: string) => void;
   error: (error: unknown) => void;
 }
 
-export const createLogger = (info: ts.server.PluginCreateInfo): Logger => {
+export const createLogger = (info: server.PluginCreateInfo): Logger => {
   const log = (message: string) => {
     info.project.projectService.logger.info(
       `[typescript-plugin-css-modules] ${message}`,