Creating TypeScript definition file bundle using webpack

Question

Creating TypeScript definition file bundle using webpack

Currently, my method involves using "gulp" to generate the definition file for my bundle in the following way:

dtsGenerator.default({
    name: 'ngFramework',
    project: './',
    out: './Typings/raw/index.d.ts'
});

However, I am in the process of transitioning to webpack and I am looking for a way to achieve the same result. I attempted using the "declaration" flag in the "tsconfig," but it ended up creating a definition file for each individual "ts" file, which is not the desired outcome (I want the definition file for the entire bundle).

Another approach I tried was the "dtsbundler-webpack-plugin," but unfortunately, I could not get it to work as intended. When I omitted the "declaration" flag in the "tsconfig," the generated file was "0 bytes," and when I included it, I encountered numerous errors.

typescript webpack

Answer 1

Answer №1

If you're looking to create a bundle with WebPack using dts-bundle, make sure to set the declaration flag to true. Here's a snippet to help you get started:

Initialization

var path = require('path');
var rootDir = path.resolve(__dirname);

Create a custom plugin

function DtsBundlePlugin() {}
DtsBundlePlugin.prototype.apply = function (compiler) {
    compiler.plugin('done', function () {
        var dts = require('dts-bundle');

        dts.bundle({
            name: 'your-lib-name',
            main: rootDir + '/build/types/**/*.d.ts',
            out: rootDir + '/build/index.d.ts',
            removeSource: true,
            outputAsModuleFolder: true 
        });
    });
};

For more detailed instructions, check out Vladimir Tolstikov's blog post.

Add the plugin to your configuration

plugins: [
    new DtsBundlePlugin()
]

While I successfully bundled the typings, I encountered issues related to my source code within the bundled output.

Answer 2

If you're looking to create a bundle with WebPack using dts-bundle, make sure to set the declaration flag to true. Here's a snippet to help you get started:

Initialization

var path = require('path');
var rootDir = path.resolve(__dirname);

Create a custom plugin

function DtsBundlePlugin() {}
DtsBundlePlugin.prototype.apply = function (compiler) {
    compiler.plugin('done', function () {
        var dts = require('dts-bundle');

        dts.bundle({
            name: 'your-lib-name',
            main: rootDir + '/build/types/**/*.d.ts',
            out: rootDir + '/build/index.d.ts',
            removeSource: true,
            outputAsModuleFolder: true 
        });
    });
};

For more detailed instructions, check out Vladimir Tolstikov's blog post.

Add the plugin to your configuration

plugins: [
    new DtsBundlePlugin()
]

While I successfully bundled the typings, I encountered issues related to my source code within the bundled output.

Answer 3

Answer №2

I developed a custom webpack plugin to address this issue. To start, you will need to install my package.

npm i -D @uniqueauthor/webpack-custom-plugin

Next, ensure that your tsconfig file has the declaration property set to true.

{ ...
    declaration: true,
    ...
}

Lastly, in your webpack configuration, import the plugin and add it to the plugins array.

const CustomPlugin = require("@uniqueauthor/webpack-custom-plugin");

...

module.exports = {
    ...
    plugins: [
        ...
        new CustomPlugin({
            // options go here
        })
    ]
}

The available options include -

merge: boolean (default: false) - Specify whether to merge the declaration files into one file.

include: string[] (default: []) - List the files you want to include in the final bundle (without file extensions, e.g., for MyClass.ts, use "MyClass").

exclude: string[] (default: []) - List the files you want to exclude from the final bundle.

flatten: boolean (default: false) - Option to place all declaration files in the root path of your distribution folder.

If merge is set to false, the plugin will generate only the files listed in the include array or exclude those in the exclude array, without merging them into one file.

I hope this explanation was helpful. Feel free to reach out if you require further assistance.

UniqueAuthor.

Answer 4

I developed a custom webpack plugin to address this issue. To start, you will need to install my package.

npm i -D @uniqueauthor/webpack-custom-plugin

Next, ensure that your tsconfig file has the declaration property set to true.

{ ...
    declaration: true,
    ...
}

Lastly, in your webpack configuration, import the plugin and add it to the plugins array.

const CustomPlugin = require("@uniqueauthor/webpack-custom-plugin");

...

module.exports = {
    ...
    plugins: [
        ...
        new CustomPlugin({
            // options go here
        })
    ]
}

The available options include -

merge: boolean (default: false) - Specify whether to merge the declaration files into one file.

include: string[] (default: []) - List the files you want to include in the final bundle (without file extensions, e.g., for MyClass.ts, use "MyClass").

exclude: string[] (default: []) - List the files you want to exclude from the final bundle.

flatten: boolean (default: false) - Option to place all declaration files in the root path of your distribution folder.

If merge is set to false, the plugin will generate only the files listed in the include array or exclude those in the exclude array, without merging them into one file.

I hope this explanation was helpful. Feel free to reach out if you require further assistance.

UniqueAuthor.

Answer 5

Answer №3

If you're looking for a hassle-free solution, I recommend trying out the "npm-dts-webpack-plugin". This plugin requires zero-configuration.

const NpmDtsPlugin = require('npm-dts-webpack-plugin')

module.exports = {
  ......
  plugins: [
    new NpmDtsPlugin()
  ],
  ......
}

Additionally, if you prefer using the generator directly, you can give "npm-dts" a try.

Wishing you the best of luck! :)

Answer 6

If you're looking for a hassle-free solution, I recommend trying out the "npm-dts-webpack-plugin". This plugin requires zero-configuration.

const NpmDtsPlugin = require('npm-dts-webpack-plugin')

module.exports = {
  ......
  plugins: [
    new NpmDtsPlugin()
  ],
  ......
}

Additionally, if you prefer using the generator directly, you can give "npm-dts" a try.

Wishing you the best of luck! :)

Creating TypeScript definition file bundle using webpack

Answer №1

Answer №2

Answer №3

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