init

node_modules/@dcloudio/uni-mp-weixin/lib/independent-plugins/generate-indepndent-entry-plugin.js

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+const crypto = require('crypto');
+const { generateAsset } = require('./utils');
+
+const emitFileCaches = {};
+
+function md5 (str) {
+    const hash = crypto.createHash('md5');
+    hash.update(str);
+    return hash.digest('hex');
+}
+
+function emitFile (filePath, source, compilation) {
+    const emitFileMD5 = md5(filePath + source);
+    if (emitFileCaches[filePath] !== emitFileMD5) {
+        emitFileCaches[filePath] = emitFileMD5;
+        compilation.assets[filePath] = generateAsset(source);
+    }
+}
+
+// 为独立分包【生成】入口执行文件，代替主包中的app.js
+class GenerateIndepndentEntryPlugin {
+    apply (compiler) {
+        compiler.hooks.emit.tapPromise('GenerateIndepndentEntryPlugin', compilation => {
+            return new Promise((resolve, reject) => {
+                try {
+                    // debugger
+                    const independentPkgs = Object.values(process.UNI_SUBPACKAGES).filter(subPkgItem => subPkgItem.independent) || [];
+                    const independentEntry = independentPkgs.map(independentPkgItem => {
+                        return {
+                            file: `${independentPkgItem.root}/common/index.js`,
+                            source: `require('runtime.js');require('library.js');require('vendor.js');require('main.js');`,
+                        };
+                    });
+                    independentEntry.forEach(({ file, source }) => emitFile(file, source, compilation));
+
+                    resolve();
+                } catch (e) {
+                    console.error('independent.error', 'GenerateIndepndentEntryPlugin', e);
+                    reject(e);
+                }
+            });
+        });
+    }
+}
+
+module.exports = GenerateIndepndentEntryPlugin;