rollup-plugin-esformatter

Rollup plugin that can be used to run esformatter on the final bundle.

How to use

Install the plugin with NPM:

npm install --save-dev rollup-plugin-esformatter

This plugin follow rollup versioning:

Use rollup-plugin-formatter@0.x.x with rollup@0.x.x
Use rollup-plugin-formatter@1.x.x with rollup@1.x.x
Use rollup-plugin-formatter@2.x.x with rollup@2.x.x

Then add it to your rollup configuration:

const path = require('path'); const esformatter = require('rollup-plugin-esformatter');

module.exports = {
  input: path.join(__dirname, 'src', 'index.js'),

  output: {
    file: path.join(__dirname, 'dist', 'bundle.js'),
  },

  plugins: [
    // Run plugin with esformatter options.
    esformatter({
      indent: {
        value: '  ',
      },
    }),
  ],
};

Source Maps

If source map is enabled in the global rollup options, then a source map will be generated on the formatted bundle (except if sourcemap are explicitely disabled in the esformatter plugin options).

Note that this may take some time since esformatter package is not able to generate a sourcemap and this plugin must compute the diff between the original bundle and the formatted result and generate the corresponding sourcemap: for this reason, sourcemap are disabled by default.

Here is an example:

const path = require('path');
const esformatter = require('rollup-plugin-esformatter');

module.exports = {
  input: path.join(__dirname, 'src', 'index.js'),

  output: {
    path.join(__dirname, 'dist', 'bundle.js'),
    sourcemap: true,
  },

  plugins: [
    // Run plugin with esformatter options.
    esformatter({
      sourcemap: true, // Can also be disabled/enabled here.
    }),
  ],
};

ChangeLogs

3.1.0
- Support rollup ^4.0.0
- Dependency upgrades
3.0.0
- Support rollup ^3.0.0
- Remove support of node < 14
- Dependency upgrades
2.0.1
- Fix package.json to also support rollup 1.x.x.
- Add "engines" option in package.json file.
2.0.0
- Add support of rollup >= 2.
- Remove support of node < 10.
1.0.0
- Remove support of rollup < 1.0.0.
- Remove support for deprecated sourceMap (camelcase) option.
- Remove support for node < 6.
0.8.0
- Dependency updates.
0.7.0
- Add rollup as a peer dependency.
0.6.0
- Add rollup >= 1 compatibility (use new hook, remove call to deprecated ones), keep compatibility with rollup < 1.
- Deprecate sourceMap option (camelcase), use sourcemap option instead (lowercase).
- Various dependency updates.
0.5.0
- Add compatibility with rollup >= 0.53 with output sourcemap option (see rollup #1583).
- Avoid side-effect and do not change the plugin options (see 032be5).
- Various dependency updates.
0.4.0
- Various dependency updates.
- Support new sourcemap (lowercase) option of rollup.
- Sourcemap can now be activated/disabled in the plugin options.
- Expose plugin name.
0.3.0
- Dependency updates (magic-string).
0.2.0
- Dependency updates.
- Ignore unnecessary files in npm package
0.1.0 Initial release

License

MIT License (MIT)

Contributing