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Made RequireJS Export Compatible to Webpack 5 #10

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Made RequireJS Export Compatible to Webpack 5 #10

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47 changes: 39 additions & 8 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -101,6 +101,43 @@ RequireJsExportPlugin.prototype.apply = function (compiler) {

compiler.hooks.compilation.tap('RequireJsExportPlugin', (compilation) => {
const Compilation = compiler.webpack.Compilation;
const JavascriptModulesPlugin =
compiler.webpack.javascript.JavascriptModulesPlugin;

const jsHooks =
JavascriptModulesPlugin.getCompilationHooks(compilation);

jsHooks.renderModuleContent.tap(
'RequireJsExportPlugin',
(source, module) => {

if (!shouldExport(module)) {
return source;
}

return new ConcatSource(
source,
`

window.__requirejs_exports__ =
window.__requirejs_exports__ || {};

if (typeof __webpack_exports__ !== 'undefined') {
window.__requirejs_exports__[${JSON.stringify(module.id)}] =
(__webpack_exports__ &&
__webpack_exports__.__esModule &&
Object.prototype.hasOwnProperty.call(
__webpack_exports__,
'default'
))
? __webpack_exports__.default
: __webpack_exports__;
}

`
);
}
);

compilation.hooks.processAssets.tap(
{
Expand All @@ -118,12 +155,6 @@ RequireJsExportPlugin.prototype.apply = function (compiler) {

if (needsImport.length === 0 && needsExport.length === 0) continue;

const captureCode = needsExport
.map(({ id }) =>
` try { __requirejs_exports__[${JSON.stringify(id)}] = __webpack_require__(${JSON.stringify(id)}); } catch(e) { /* Intentionally ignore modules that cannot be required in this chunk context. */ }`
)
.join('\n');

const prolog = generateProlog(chunk.id, needsImport, needsExport);
const epilog = generateEpilog(chunk.id, needsImport, needsExport);

Expand All @@ -132,7 +163,7 @@ RequireJsExportPlugin.prototype.apply = function (compiler) {

compilation.updateAsset(
filename,
(old) => new ConcatSource(prolog, '\n', old, '\n', captureCode, '\n', epilog)
(old) => new ConcatSource(prolog, '\n', old, '\n', epilog)
);
}
}
Expand Down Expand Up @@ -170,4 +201,4 @@ RequireJsExportPlugin.prototype.apply = function (compiler) {
}
};

module.exports = RequireJsExportPlugin;
module.exports = RequireJsExportPlugin;