kmck / lodash-template-webpack-loader Goto Github PK

// webpack.config.js (webpack 4)
module.exports = {
  devtool: 'eval-source-map'
  module: {
    rules: [
        test: /\.tpl$/,
        use: [
          'babel-loader',
          'lodash-template-webpack-loader'
        ]
      },

Error: .inputSourceMap must be a boolean, object, or undefined

// code inside babel (sorry no link. can't Find in GitHub)
function assertInputSourceMap(loc, value) {
  if (value !== undefined && typeof value !== "boolean" && (typeof value !== "object" || !value)) {
    throw new Error(`${msg(loc)} must be a boolean, object, or undefined`);
  }

  return value;
}

// index.js
    // Source map
    if (!map && (this.sourceMap || params.sourceMap || options.sourceMap)) {
        var sourceMapGenerator = new SourceMapGenerator({
            file: this.resourcePath,
        });
        sourceMapGenerator.setSourceContent(this.resourcePath, content);
        sourceMapGenerator.addMapping({
            source: this.resourcePath,
            original: {line: 1, column: 0},
            generated: {line: 1, column: 0},
        });
        // map = sourceMapGenerator.toString();  // -> OUT
        map = sourceMapGenerator.toJSON();  // <- IN        
    }

// webpack.config.js
    rules: [
        test: /\.tpl$/,
        use: [
          'babel-loader',
          'test-loader',
          'lodash-template-webpack-loader'
        ]
      },

// test-loader.js
module.exports = function(content, map, meta) {
  // this.callback(null, content, JSON.parse(map), meta); // -> cause parse Error
  this.callback(null, content, null, meta);
};

➜ npm i -D lodash-template-webpack-loader
➜ cd node_modules/lodash-template-webpack-loader/
➜ ll
total 48
-rw-r--r--  1 iwa  staff   1.1K  5  3  2016 LICENSE
-rw-r--r--  1 iwa  staff   7.2K  5  6  2016 README.md
-rw-r--r--  1 iwa  staff   6.2K  5  6  2016 index.js
drwxr-xr-x  3 iwa  staff   102B  9 29 01:18 lib
drwxr-xr-x  3 iwa  staff   102B  9 29 01:18 node_modules
-rw-r--r--  1 iwa  staff   2.3K  9 29 01:18 package.json