Ng-packagr: How to wrap external javascript file

[hei-pa]

Type of Issue

[ ] Bug Report
[ ] Feature Request
[x] Question

Description

I need to embed an external javascript file in my library. I have no ideo how to do that. In the docs there are examples for npm packages but not for plain javascript files.

I tried several ideas with lib.embedded or lib.externals without luck.

This is my project structure:

├── lib
│   ├── janus-api.js
│   └── janus-web-rtc-subject.ts

{
  "$schema": "./node_modules/ng-packagr/ng-package.schema.json",
  "dest": "dist",
  "lib": {
    "externals": {
      "./src/lib/janus-api.js": "Janus"
    },
    "entryFile": "public_api.ts"
  },
  "whitelistedNonPeerDependencies": ["."]
}

Now the janus-web-rtc-subject.ts file imports the janus-api.js and uses some functions.
The code looks ok but ng-packagr failes to bundle that structure.

import Janus from './janus-api.js';
import {Observable, Subject} from 'rxjs';

export class JanusWebRtcSubject {
...

And the error is

BUILD ERROR
Could not resolve './janus-api.js' from dist\esm2015\src\lib\janus-web-rtc-subject.js
Error: Could not resolve './janus-api.js' from dist\esm2015\src\lib\janus-web-rtc-subject.js

Expected Behaviour

Bundle the janus-api.js in the lib via externals or embedded.

Version Information

ng-packagr: 3.0.3
@angular/compiler: 6.0.7
rollup: 0.59.4
tsickle: 0.29.0
typescript: 2.7.2
rxjs: 6.2.1
node: v8.11.1
npm: 6.1.0

[alan-agius4]

Duplicate of https://github.com/dherges/ng-packagr/issues/650

[wjx774326739]

try to make your external javascript to be a common 3rd party and npm install it. So you could use it everywhere in you proj. Do it like this: create a folder name 'anus-api' and put 'anus-api.js' and 'package.json' into it, then run 'npm pack ' in this folder so that there would build a tgz fild. And you could import the tgz file in you proj's package.json. So you could use the external javascript in your proj

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