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Use TypeScript parser to read tsconfig.json #5532

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merged 1 commit into from
Oct 22, 2018
Merged

Use TypeScript parser to read tsconfig.json #5532

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16 changes: 13 additions & 3 deletions packages/react-scripts/scripts/utils/verifyTypeScriptSetup.js
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Original file line number Diff line number Diff line change
Expand Up @@ -51,10 +51,11 @@ function verifyTypeScriptSetup() {
const isYarn = fs.existsSync(paths.yarnLockFile);

// Ensure typescript is installed
let ts;
try {
resolve.sync('typescript', {
ts = require(resolve.sync('typescript', {
basedir: paths.appNodeModules,
});
}));
} catch (_) {
console.error(
chalk.red(
Expand Down Expand Up @@ -87,7 +88,16 @@ function verifyTypeScriptSetup() {
const messages = [];
let tsconfig;
try {
tsconfig = require(paths.appTsConfig);
const { config, error } = ts.readConfigFile(
paths.appTsConfig,
ts.sys.readFile
);

if (error) {
throw error;
}

tsconfig = config;
} catch (_) {
console.error(
chalk.red.bold(
Expand Down