react-native/babel-preset/configs/main.js

122 lines
3.6 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
'use strict';
const resolvePlugins = require('../lib/resolvePlugins');
const resolvePlugin = resolvePlugins.resolvePlugin;
const defaultPlugins = resolvePlugins([
'syntax-class-properties',
'syntax-trailing-function-commas',
'transform-class-properties',
'transform-es2015-block-scoping',
'transform-es2015-computed-properties',
'transform-es2015-destructuring',
'transform-es2015-function-name',
'transform-es2015-literals',
'transform-es2015-parameters',
'transform-es2015-shorthand-properties',
'transform-flow-strip-types',
'transform-react-jsx',
'transform-regenerator',
[
'transform-es2015-modules-commonjs',
{strict: false, allowTopLevelThis: true},
],
]);
const checkES2015Constants = resolvePlugin('check-es2015-constants');
const es2015ArrowFunctions = resolvePlugin('transform-es2015-arrow-functions');
const es2015Classes = resolvePlugin('transform-es2015-classes');
const es2015ForOf = resolvePlugin(['transform-es2015-for-of', {loose: true}]);
const es2015Spread = resolvePlugin('transform-es2015-spread');
const es2015TemplateLiterals = resolvePlugin(
'transform-es2015-template-literals'
);
const asyncFunctions = resolvePlugin('syntax-async-functions');
const exponentiationOperator = resolvePlugin(
'transform-exponentiation-operator'
);
const objectAssign = resolvePlugin('transform-object-assign');
const objectRestSpread = resolvePlugin('transform-object-rest-spread');
const reactDisplayName = resolvePlugin('transform-react-display-name');
const reactJsxSource = resolvePlugin('transform-react-jsx-source');
const symbolMember = [require('../transforms/transform-symbol-member')];
const getPreset = (src, options) => {
const isNull = src === null || src === undefined;
const hasClass = isNull || src.indexOf('class') !== -1;
const hasForOf =
isNull || (src.indexOf('for') !== -1 && src.indexOf('of') !== -1);
const extraPlugins = [];
if (isNull || src.indexOf('async') !== -1 || src.indexOf('await') !== -1) {
extraPlugins.push(asyncFunctions);
}
if (hasClass) {
extraPlugins.push(es2015Classes);
}
if (isNull || src.indexOf('=>') !== -1) {
extraPlugins.push(es2015ArrowFunctions);
}
if (isNull || src.indexOf('const') !== -1) {
extraPlugins.push(checkES2015Constants);
}
if (isNull || hasClass || src.indexOf('...') !== -1) {
extraPlugins.push(es2015Spread);
extraPlugins.push(objectRestSpread);
}
if (isNull || src.indexOf('`') !== -1) {
extraPlugins.push(es2015TemplateLiterals);
}
if (isNull || src.indexOf('**') !== -1) {
extraPlugins.push(exponentiationOperator);
}
if (isNull || src.indexOf('Object.assign') !== -1) {
extraPlugins.push(objectAssign);
}
if (hasForOf) {
extraPlugins.push(es2015ForOf);
}
if (hasForOf || src.indexOf('Symbol') !== -1) {
extraPlugins.push(symbolMember);
}
if (
isNull ||
src.indexOf('React.createClass') !== -1 ||
src.indexOf('createReactClass') !== -1
) {
extraPlugins.push(reactDisplayName);
}
if (options && options.dev) {
extraPlugins.push(reactJsxSource);
}
return {
comments: false,
compact: true,
plugins: defaultPlugins.concat(extraPlugins),
};
};
const base = getPreset(null);
const devTools = getPreset(null, {dev: true});
module.exports = options => {
if (options.withDevTools == null) {
const env = process.env.BABEL_ENV || process.env.NODE_ENV;
if (!env || env === 'development') {
return devTools;
}
}
return base;
};
module.exports.getPreset = getPreset;