Can't create an Angular 5 project using angular-cli

Question

I'm trying to create a new Angular 5 project. I've installed @angular/cli version 1.6.3 and typed:

ng new project --routing

After everything has been installed I did:

cd project ng build

And got the following errors:

Module build failed: Error: d:...\project\src\main.ts is missing from the TypeScript compilation. Please make sure it is in your tsconfig via the 'files' or 'include' property.

Module build failed: Error: d:...\project\src\polyfills.ts is missing from the TypeScript compilation. Please make sure it is in your tsconfig via the 'files' or 'include' property.

There are a couple of discussions about this on the Angular github page, but other than saying this has been resolved, or pointing to an issue where there where ts files in node_modules - it was not helpful.

We're using Windows 10 here.

EDIT: the tsconfig files are (there are two):

{ "compileOnSave": false, "compilerOptions": { "outDir": "./dist/out-tsc", "sourceMap": true, "declaration": false, "moduleResolution": "node", "emitDecoratorMetadata": true, "experimentalDecorators": true, "target": "es5", "typeRoots": [ "node_modules/@types" ], "lib": [ "es2017", "dom" ] } }

The other (src/tsconfig.app.json):

{ "extends": "../tsconfig.json", "compilerOptions": { "outDir": "../out-tsc/app", "baseUrl": "./", "module": "es2015", "types": [] }, "exclude": [ "test.ts", "**/*.spec.ts" ] }

These were both created by ng new.

Yes. And again, this happened on several computers. Downgrading to angular-cli 1.4.4 fixes this problem, but uses Angular 4 and not 5. This is what we're going to do for now, but it's hardly a solution. — zmbq
– zmbq, Commented Jan 8, 2018 at 10:44
Posted, although I doubt they will help. Adding an include section to either of them did not help. — zmbq
– zmbq, Commented Jan 8, 2018 at 11:20

zmbq · Accepted Answer · 2018-06-07 11:04:40Z

Oh dear, I forgot to answer this question! It was answered in the Angular github a long time ago.

In Angular 5 you need to add --preserve-symlinks to both ng build and ng serve.

In Angular 6 you can no longer do that, and instead you need to add

 "preserveSymlinks": true,

to angular.json, you put it under architect/build/options of your project.

Nadhir Falta · Accepted Answer · 2018-01-08 15:08:49Z

Verify that you are running at least node 6.9.x and npm 3.x.x by running node -v and npm -v in a terminal/console window. Older versions produce errors, but newer versions are fine.

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