Angular 9 Issue: Unable to run the initial application

Question

Can someone help me to resolve the following issue?

I am following the https://v8.angular.io/guide/setup-local#prerequisites document to set up the initial application on my windows machine but facing an issue.

OS: Windows 10, 64-bit

Issue: npm install is failing.

Response: CREATE my-app/e2e/src/app.po.ts (301 bytes) - Installing packages...npm WARN deprecated tslint@6.1.2: TSLint has been deprecated in favor of ESLint. Please see https://github.com/palantir/tslint/issues/4534 for more information.

npm WARN deprecated request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142

npm WARN deprecated chokidar@2.1.8: Chokidar 2 will break on node v14+. Upgrade to chokidar 3 with 15x less dependencies.

npm WARN deprecated fsevents@1.2.12: fsevents 1 will break on node v14+ and could be using insecure binaries. Upgrade to fsevents 2.

npm WARN deprecated urix@0.1.0: Please see https://github.com/lydell/urix#deprecated

npm WARN deprecated resolve-url@0.2.1: https://github.com/lydell/resolve-url#deprecated

npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@~2.1.2 (node_modules\rollup\node_modules\fsevents):

npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@2.1.3: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})

npm ERR. Unexpected end of JSON input while parsing near '..:mark","~1","microtime'

npm ERR: A complete log of this run can be found in. npm ERR. ,\AppData\Roaming\npm-cache_logs\2020-05-05T03_21_42_870Z-debug.log × Package install failed, see above.

The Schematic workflow failed. See above.

Answer 1

I was facing the same issue until this morning. please try installing / updating chokidar to version 3.+

npm install chokidar

Also, try reinstalling Angular CLI after clearing npm cache

npm cache clean --force

npm install -g @angular/cli@latest

Answer 2

Below solution work for me:

It looks like it is a cache error. Reinstalling Angular CLI after clearing npm cache

Click here: https://stackoverflow.com/a/63924964/10181929