react-monaco-editor
Version:
Monaco Editor for React
49 lines (43 loc) • 1.32 kB
JavaScript
const isEmpty = require("lodash/isEmpty");
const findPluginsByName = require("../../utils/ast-utils").findPluginsByName;
const createOrUpdatePluginByName = require("../../utils/ast-utils")
.createOrUpdatePluginByName;
const safeTraverse = require("../../utils/ast-utils").safeTraverse;
/**
*
* Transform which adds context information for old loaders by injecting a `LoaderOptionsPlugin`
*
* @param {Object} j - jscodeshift top-level import
* @param {Node} ast - jscodeshift ast to transform
* @returns {Node} ast - jscodeshift ast
*
*/
module.exports = function(j, ast) {
const loaderOptions = {};
// If there is debug: true, set debug: true in the plugin
if (ast.find(j.Identifier, { name: "debug" }).size()) {
loaderOptions.debug = true;
ast.find(j.Identifier, { name: "debug" }).forEach(p => {
p.parent.prune();
});
}
// If there is UglifyJsPlugin, set minimize: true
if (findPluginsByName(j, ast, ["webpack.optimize.UglifyJsPlugin"]).size()) {
loaderOptions.minimize = true;
}
return ast
.find(j.ArrayExpression)
.filter(
path =>
safeTraverse(path, ["parent", "value", "key", "name"]) === "plugins"
)
.forEach(path => {
!isEmpty(loaderOptions) &&
createOrUpdatePluginByName(
j,
path,
"webpack.LoaderOptionsPlugin",
loaderOptions
);
});
};