Attempting to compile TypeScript by referencing ng2-bootstrap using Gulp within Visual Studio

I've been struggling with this issue for a few days now, and I'm really hoping someone can help me out.

Currently, I am experimenting with Angular2 in an aspnet core project. The setup involves using a gulpfile.js to build .ts files and transfer them to the wwwroot folder. So far, everything is working smoothly - typescript compiles, files are transferred, and even setting up a basic 'hello world' Angular app works without any issues.

The trouble begins when I attempt to add a reference to ng2-bootstrap. Upon doing so, compiling typescript results in multiple errors like this one:

node_modules/ng2-bootstrap/components/buttons/button-checkbox.directive.d.ts(14,22): error TS1005: '=' expected.

You can access the sample I'm working on here: https://github.com/skyplusplus/ng2bootstrap-hell

How can I resolve this issue?

-edit- relevant snippet from my gulpfile:

const tscConfig = require('./tsconfig.json');
var tsProject = typescript.createProject('tsconfig.json');
return tsProject
    .src(tscConfig.files)
    .pipe(sourcemaps.init())
    .pipe(typescript(tsProject))
    .pipe(sourcemaps.write('.'))
    .pipe(gulp.dest(targetPaths.app));

Answer №1

Set up gulp to exclude the node_modules directory. The d.ts files serve as type definition files that compile into a js file containing only a reference comment to the js.map file for debugging purposes.

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