Files
flipper/desktop/scripts/metro-transform.js
Anton Nikolaev 85c13bb1f3 Move desktop-related code to "desktop" subfolder (#872)
Summary:
Pull Request resolved: https://github.com/facebook/flipper/pull/872
Move all the JS code related to desktop app to "desktop" subfolder.

The structure of "desktop" folder:
- `src` - JS code of Flipper desktop app executing in Electron Renderer (Chrome) process. This folder also contains all the Flipper plugins in subfolder "src/plugins".
- `static` - JS code of Flipper desktop app bootstrapping executing in Electron Main (Node.js) process
- `pkg` - Flipper packaging lib and CLI tool
- `doctor` - Flipper diagnostics lib and CLI tool
- `scripts` - Build scripts for Flipper desktop app
- `headless` - Headless version of Flipper app
- `headless-tests` - Integration tests running agains Flipper headless version

Reviewed By: passy

Differential Revision: D20249304

fbshipit-source-id: 9a51c63b51b92b758a02fc8ebf7d3d116770efe9
2020-03-14 14:35:17 -07:00

66 lines
1.4 KiB
JavaScript

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*/
const generate = require('babel-generator').default;
const babylon = require('babylon');
const babel = require('babel-core');
const metro = require('metro');
exports.transform = function({
filename,
options,
src,
plugins: defaultPlugins,
}) {
const presets = [];
let ast = babylon.parse(src, {
filename,
plugins: ['jsx', 'flow', 'classProperties', 'objectRestSpread'],
sourceType: filename.includes('node_modules') ? 'script' : 'module',
});
// run babel
const plugins = [
...defaultPlugins,
require('./babel-plugins/electron-requires.js'),
require('./babel-plugins/dynamic-requires.js'),
];
if (!filename.includes('node_modules')) {
plugins.unshift(require('babel-plugin-transform-es2015-modules-commonjs'));
}
ast = babel.transformFromAst(ast, src, {
babelrc: !filename.includes('node_modules'),
code: false,
comments: false,
compact: false,
filename,
plugins,
presets,
sourceMaps: true,
}).ast;
const result = generate(
ast,
{
filename,
sourceFileName: filename,
sourceMaps: true,
},
src,
);
return {
ast,
code: result.code,
filename,
map: result.rawMappings.map(metro.sourceMaps.compactMapping),
};
};