oak-cli/config/native/transformer.js

103 lines
3.6 KiB
JavaScript

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";
const traverse = require('@babel/traverse').default;
const t = require('@babel/types');
const path = require('path');
const less = require('less');
const svgTransformer = require('react-native-svg-transformer');
const lessTransformer = require('react-native-less-transformer');
const css2rn = require("css-to-react-native-transform").default;
const { parseSync, transformFromAstSync, transformSync: babelTransform } = require("@babel/core");
const nullthrows = require("nullthrows");
const replaceEnvExpressionPlugin = require('./babelEnvPlugin');
const { injectGetRender } = require('../utils/injectGetRender');
const oakPathTsxPlugin = require('../babel-plugin/oakPath');
const oakRenderNativePlugin = require('../babel-plugin/oakRenderNative');
const oakGetAppVersionPlugin = require('../babel-plugin/oakGetAppVersion');
const oakI18nPlugin = require('../babel-plugin/oakI18n');
const reuseOakComponentPlugin = require('../babel-plugin/reuse-oak-component');
async function renderToCSS({ src, filename, options = {} }) {
const { lessOptions = {} } = options;
const { css } = await less.render(src, { paths: [path.dirname(filename)], ...lessOptions });
return css;
}
function renderCSSToReactNative(css) {
return css2rn(css, { parseMediaQueries: true });
}
function transform({ filename, options, plugins, src }) {
const OLD_BABEL_ENV = process.env.BABEL_ENV;
process.env.BABEL_ENV = options.dev
? "development"
: process.env.BABEL_ENV || "production";
try {
const babelConfig = {
caller: {
name: "oak",
bundler: "oak",
platform: options.platform,
},
ast: true,
babelrc: options.enableBabelRCLookup,
code: false,
cwd: options.projectRoot,
highlightCode: true,
filename,
plugins: plugins.concat([replaceEnvExpressionPlugin, oakPathTsxPlugin, oakRenderNativePlugin, oakI18nPlugin, reuseOakComponentPlugin, oakGetAppVersionPlugin]),
sourceType: "module",
// NOTE(EvanBacon): We split the parse/transform steps up to accommodate
// Hermes parsing, but this defaults to cloning the AST which increases
// the transformation time by a fair amount.
// You get this behavior by default when using Babel's `transform` method directly.
cloneInputAst: false,
};
const transInner = (src) => {
const sourceAst = options.hermesParser
? require("hermes-parser").parse(src, {
babel: true,
sourceType: babelConfig.sourceType,
})
: parseSync(src, babelConfig);
const transformResult = transformFromAstSync(sourceAst, src, babelConfig);
return {
ast: nullthrows(transformResult.ast),
metadata: transformResult.metadata,
};
};
if (filename.endsWith('less')) {
return lessTransformer.transform({ src, filename, options });
}
else if (filename.endsWith('.svg')) {
return svgTransformer.transform({ src, filename, options });
}
return transInner(src);
} finally {
if (OLD_BABEL_ENV) {
process.env.BABEL_ENV = OLD_BABEL_ENV;
}
}
}
module.exports = {
transform,
};