What are some strategies for organizing TypeScript package dependencies using Bower?

What is Effective

Assembling modules into a single outFile with a declaration file has proven to be successful:

{
    "compilerOptions": {
        "module": "amd",
        "target": "es5",
        "declaration": true,
        "noImplicitAny": false,
        "outFile": "built/index.js",
        "sourceMap": true
    },
    "exclude": [
        "bower_components",
        "built"
    ]
}

For setting up the dependent project, importing via bower and typings has been beneficial:

>bower install git://github.com/ca0v/ol3-symbolizer.git#v3.20.1 --save
>typings install ol3-symbolizer=github:ca0v/ol3-symbolizer/built/index.d.ts#v3.20.1 --save --global

Including the dependency in the AMD "dep" array helps facilitate this process:

deps: [
    "https://rawgit.com/ca0v/ol3-symbolizer/v3.20.1/built/index.js",
    "https://rawgit.com/ca0v/ol3-layerswitcher/v3.20.1/built/index.js",
    "https://rawgit.com/ca0v/ol3-popup/v3.20.1/built/index.js",
    "built/index"
],

The Question Now Arises.

I would prefer not using deps or typings at all, but instead directly referencing the dependency:

import Symbolizer = require("../../bower_components/ol3-symbolizer/format/ags-symbolizer");

This method works well in cases without nested dependencies. However, when ol3-symbolizer also depends on ol3-popup, using bower to install ol3-symbolizer causes file structure flattening and breaks the references:

import { Popup } from "../bower_components/ol3-popup/src/ol3-popup";

To rectify this issue, it should be changed to:

import { Popup } from "../../ol3-popup/src/ol3-popup";

Is there a way to organize these projects to prevent these path disruptions?

typescriptboweramd

Answer №1

To solve the issue, you can update the paths in your tsconfig.json file:

{
    "compilerOptions": {
        "removeComments": true,
        "declaration": false,
        "module": "amd",
        "target": "es3",
        "noImplicitAny": true,
        "sourceMap": true,
        "outFile": "./built/index.js",
        "moduleResolution": "node",
        "baseUrl": "./",
        "paths": {
            "custom-path/*": [
                "./path/to/custom-module/*"
            ],
            "another-path/*": [
                "./path/to/another-module/*"
            ],
            "third-path/*": [
                "./path/to/third-module/*"
            ]
        }
    },
    "exclude": [
        "bower_components",
        "built",
        "ol3-lab/tests/data/routes",
        "ol3-lab/tests/routing.ts"
    ]
}

By making these adjustments, you can reference bower dependencies as if they were located in the root directory, resulting in all dependencies being bundled into a single output file.

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