fix: parse with json5

Author: mikaello

example/gulpfile.ts

@@ -4,15 +4,19 @@ const rollup = require("rollup");
 const typescriptPlugin = require("@rollup/plugin-typescript");
 const { nodeResolve } = require("@rollup/plugin-node-resolve");
 const through2 = require("through2");
+const fs = require("fs");
+const json5 = require("json5");
 
 const LIB_SOURCE = "../src/**/*.ts";
 const tsConfigPath = "../tsconfig.json";
 
+// Read and parse tsconfig.json with json5
+const tsConfig = json5.parse(fs.readFileSync(tsConfigPath, "utf-8"));
+
 const transpileLibTypescript = () =>
   src(LIB_SOURCE, { sourcemaps: true })
     .pipe(through2.obj(function (file, _, cb) {
       if (file.isBuffer()) {
-        const tsConfig = require(tsConfigPath);
         const result = ts.transpileModule(file.contents.toString(), {
           compilerOptions: tsConfig.compilerOptions,
           fileName: file.path,