extract-values-loader v0.0.2

Extract Values Loader

Webpack loader to extract values from modules by executing given source codes.

Installing

npm install extract-values-loader --save-dev

Example

1.item.js

module.exports = () => {
    console.log("Item 1");
};

module.exports.priority = 3;

2.item.js

module.exports = () => {
    console.log("Item 2");
};

module.exports.priority = 5;

items.js

module.exports = [];

main.js

const items = require("./items.js");

console.log(items);
// [ { priority: 3, file: './lib/1.item.js' },
//   { priority: 5, file: './lib/2.item.js' } ]

webpack.config.js

const pathToMainJs = require.resolve("./lib/main.js");
const pathToItemsJs = require.resolve("./lib/items.js");
const pathToItem1Js = require.resolve("./lib/1.item.js");
const pathToItem2Js = require.resolve("./lib/2.item.js");

module.exports = {
  entry: [
    pathToMainJs,
    pathToItem1Js,
    pathToItem2Js,
    pathToItemsJs
  ],
  module: {
    rules: [
      {
        test: /\.item\.js$/,
        loader: 'extract-values-loader',
        options: {
          extract: ["priority"]
        }
      },
      {
        test: pathToItemsJs,
        loader: 'extract-values-loader',
        options: {
          insert: true
        }
      }
    ]
  }
};