draft: refactor project so it sits on top of a standalone app

2020-05-11 15:34:47 +02:00
parent a9ee5acc1c
commit f97e8455fc
13068 changed files with 1735502 additions and 866 deletions
@@ -0,0 +1,51 @@
+var utils = require('./utils');
+
+var scopedModuleRegex = new RegExp('@[a-zA-Z0-9][\\w-.]+\/[a-zA-Z0-9][\\w-.]+([a-zA-Z0-9.\/]+)?', 'g');
+
+function getModuleName(request, includeAbsolutePaths) {
+    var req = request;
+    var delimiter = '/';
+
+    if (includeAbsolutePaths) {
+        req = req.replace(/^.*?\/node_modules\//, '');
+    }
+    // check if scoped module
+    if (scopedModuleRegex.test(req)) {
+        // reset regexp
+        scopedModuleRegex.lastIndex = 0;
+        return req.split(delimiter, 2).join(delimiter);
+    }
+    return req.split(delimiter)[0];
+}
+
+module.exports = function nodeExternals(options) {
+    options = options || {};
+    var whitelist = [].concat(options.whitelist || []);
+    var binaryDirs = [].concat(options.binaryDirs || ['.bin']);
+    var importType = options.importType || 'commonjs';
+    var modulesDir = options.modulesDir || 'node_modules';
+    var modulesFromFile = !!options.modulesFromFile;
+    var includeAbsolutePaths = !!options.includeAbsolutePaths;
+
+    // helper function
+    function isNotBinary(x) {
+        return !utils.contains(binaryDirs, x);
+    }
+
+    // create the node modules list
+    var nodeModules = modulesFromFile ? utils.readFromPackageJson(options.modulesFromFile) : utils.readDir(modulesDir).filter(isNotBinary);
+
+    // return an externals function
+    return function(context, request, callback){
+        var moduleName = getModuleName(request, includeAbsolutePaths);
+        if (utils.contains(nodeModules, moduleName) && !utils.containsPattern(whitelist, request)) {
+            if (typeof importType === 'function') {
+                return callback(null, importType(request));
+            }
+            // mark this module as external
+            // https://webpack.js.org/configuration/externals/
+            return callback(null, importType + " " + request);
+        };
+        callback();
+    }
+};