unpkg/server/createDevCompiler.js

43 lines
1.0 KiB
JavaScript

const webpack = require("webpack");
/**
* Returns a modified copy of the given webpackEntry object with
* the moduleId in front of all other assets.
*/
function prependModuleId(webpackEntry, moduleId) {
if (typeof webpackEntry === "string") {
return [moduleId, webpackEntry];
}
if (Array.isArray(webpackEntry)) {
return [moduleId, ...webpackEntry];
}
if (webpackEntry && typeof webpackEntry === "object") {
const entry = { ...webpackEntry };
for (const chunkName in entry) {
if (entry.hasOwnProperty(chunkName)) {
entry[chunkName] = prependModuleId(entry[chunkName], moduleId);
}
}
return entry;
}
throw new Error("Invalid webpack entry object");
}
/**
* Creates a webpack compiler that automatically inlines the
* webpack dev runtime in all entry points.
*/
function createDevCompiler(webpackConfig, webpackRuntimeModuleId) {
return webpack({
...webpackConfig,
entry: prependModuleId(webpackConfig.entry, webpackRuntimeModuleId)
});
}
module.exports = createDevCompiler;