446 lines
12 KiB
TypeScript
446 lines
12 KiB
TypeScript
import { execSync } from 'child_process';
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import path from 'path';
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import { exit } from 'process';
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import chalk from 'chalk';
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import fs from 'fs-extra';
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import * as recast from 'recast';
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import type App from '../Core';
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import { Entry, EntryType, ModuleMainFilePath, NpmConfig, PackageType } from '../types';
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interface TypeAssertion {
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type: string;
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imports: any[];
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}
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interface ParseEntryOption {
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ast: any;
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package: string;
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indexPath: string;
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}
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export const resolveAppPackages = (app: App): ModuleMainFilePath => {
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const componentMap: Record<string, string> = {};
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const configMap: Record<string, string> = {};
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const eventMap: Record<string, string> = {};
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const valueMap: Record<string, string> = {};
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const pluginMap: Record<string, string> = {};
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const dependencies: Record<string, string> = {};
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const setPackages = (cwd: string, packagePath: string, key?: string) => {
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const { name: moduleName } = splitNameVersion(packagePath);
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if (!moduleName) throw Error('packages中包含非法配置');
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const indexPath = execSync(`node -e "console.log(require.resolve('${moduleName.replace(/\\/g, '/')}'))"`, { cwd })
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.toString()
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.replace('\n', '');
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const indexCode = fs.readFileSync(indexPath, { encoding: 'utf-8', flag: 'r' });
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const ast = recast.parse(indexCode, { parser: require('recast/parsers/typescript') });
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const result = typeAssertion({ ast, indexPath });
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const setItem = (key: string, entry: Entry) => {
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if (entry.component) componentMap[key] = entry.component;
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if (entry.config) configMap[key] = entry.config;
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if (entry.event) eventMap[key] = entry.event;
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if (entry.value) valueMap[key] = entry.value;
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};
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if (result.type === PackageType.COMPONENT && key) {
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// 组件
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setItem(key, parseEntry({ ast, package: moduleName, indexPath }));
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} else if (result.type === PackageType.PLUGIN && key) {
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// 插件
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pluginMap[key] = moduleName;
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} else if (result.type === PackageType.COMPONENT_PACKAGE) {
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// 组件&插件包
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result.imports.forEach((i) => {
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const affixReg = new RegExp(`${app.options.componentFileAffix}$`);
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if (affixReg.test(i.indexPath)) {
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componentMap[i.type] = i.indexPath;
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return;
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}
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const indexCode = fs.readFileSync(i.indexPath, { encoding: 'utf-8', flag: 'r' });
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const ast = recast.parse(indexCode);
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if (typeAssertion({ ast, indexPath }).type === PackageType.PLUGIN) {
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// 插件
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pluginMap[i.type] = i.indexPath;
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} else {
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// 组件
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setItem(i.type, parseEntry({ ast, package: `${module} | ${i.name}`, indexPath: i.indexPath }));
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}
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});
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}
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};
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const getDependencies = (packagePath: string) => {
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if (fs.existsSync(packagePath)) return;
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const { name: moduleName, version } = splitNameVersion(packagePath);
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if (!moduleName) return;
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dependencies[moduleName] = version;
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};
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app.options.packages.forEach((item) => {
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if (typeof item === 'object') {
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Object.entries(item).forEach(([, packagePath]) => {
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getDependencies(packagePath);
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});
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} else {
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getDependencies(item);
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}
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});
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if (Object.keys(dependencies).length) {
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const packageFile = path.join(app.options.source, 'package.json');
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const packageBakFile = path.join(app.options.source, 'package.json.bak');
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if (fs.existsSync(packageFile)) {
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fs.copyFileSync(packageFile, packageBakFile);
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}
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try {
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npmInstall(dependencies, app.options.source, app.options.npmConfig);
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} catch (e) {
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console.error(e);
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}
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if (fs.existsSync(packageBakFile)) {
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fs.unlinkSync(packageFile);
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fs.renameSync(packageBakFile, packageFile);
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}
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}
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app.options.packages.forEach((item) => {
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if (typeof item === 'object') {
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Object.entries(item).forEach(([key, packagePath]) => {
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setPackages(app.options.source, packagePath, key);
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});
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} else {
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setPackages(app.options.source, item);
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}
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});
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return {
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componentMap,
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configMap,
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eventMap,
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valueMap,
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pluginMap,
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};
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};
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const npmInstall = function (dependencies: Record<string, string>, cwd: string, npmConfig: NpmConfig = {}) {
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const { client = 'npm', registry = 'https://registry.npmjs.org/' } = npmConfig;
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const install = {
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npm: 'install',
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yarn: 'add',
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pnpm: 'add',
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}[client];
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const packages = Object.entries(dependencies)
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.map(([name, version]) => `${name}@${version}`)
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.join(' ');
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const command = `${client} ${install} ${packages} --registry ${registry}`;
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console.log(chalk.blue(cwd));
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console.log(chalk.blue(command));
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execSync(command, {
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stdio: 'inherit',
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cwd,
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});
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};
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/**
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* 1 判断是否组件&插件包
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* 2 判断是组件还是插件
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* 3 组件插件分开写入 comp-entry.ts
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* @param {*} ast
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* @param {String} indexPath
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* @return {Object} { type: '', imports: [] } 返回传入组件的类型。如果是组件包，imports 中包含所有子组件的入口文件路径
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*/
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const typeAssertion = function ({ ast, indexPath }: { ast: any; indexPath: string }): TypeAssertion {
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const n = recast.types.namedTypes;
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const result = {
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type: '',
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imports: [],
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};
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const { importDeclarations, variableDeclarations, exportDefaultName, exportDefaultNode } =
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getAssertionTokenByTraverse(ast);
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if (exportDefaultName) {
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importDeclarations.every((node) => {
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const [specifier] = node.specifiers;
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// 从 import 语句中找到 export default 的变量，认为是组件
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if (n.ImportDefaultSpecifier.check(specifier) && specifier.local?.name === exportDefaultName) {
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result.type = PackageType.COMPONENT;
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return false;
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}
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return true;
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});
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if (result.type) return result;
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variableDeclarations.every((node) => {
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const [variable] = node.declarations;
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// 从声明变量语句中找到 export default 的变量，认为是组件包
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if (
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n.Identifier.check(variable.id) &&
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variable.id.name === exportDefaultName &&
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n.ObjectExpression.check(variable.init)
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) {
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if (isPlugin(variable.init.properties)) {
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result.type = PackageType.PLUGIN;
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return false;
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}
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// 从组件包声明中找到对应子组件入口文件
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getComponentPackageImports({ result, properties: variable.init.properties, indexPath, importDeclarations });
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}
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return true;
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});
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}
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if (exportDefaultNode) {
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if (isPlugin((exportDefaultNode as any).properties)) {
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result.type = PackageType.PLUGIN;
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} else {
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getComponentPackageImports({
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result,
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properties: (exportDefaultNode as any).properties,
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indexPath,
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importDeclarations,
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});
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}
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}
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return result;
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};
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const getAssertionTokenByTraverse = (ast: any) => {
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const importDeclarations: any[] = [];
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const variableDeclarations: any[] = [];
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const n = recast.types.namedTypes;
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let exportDefaultName = '';
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let exportDefaultNode = undefined;
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recast.types.visit(ast, {
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visitImportDeclaration(p) {
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importDeclarations.push(p.node);
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this.traverse(p);
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},
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visitVariableDeclaration(p) {
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variableDeclarations.push(p.node);
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this.traverse(p);
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},
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visitExportDefaultDeclaration(p) {
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const { node } = p;
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const { declaration } = node;
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// 导出的是变量名
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if (n.Identifier.check(declaration)) {
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exportDefaultName = declaration.name;
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}
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// 导出的是对象的字面量
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if (n.ObjectExpression.check(declaration)) {
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exportDefaultNode = declaration;
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}
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this.traverse(p);
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},
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});
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return {
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importDeclarations,
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variableDeclarations,
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exportDefaultName,
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exportDefaultNode,
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};
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};
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const isPlugin = function (properties: any[]) {
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const [match] = properties.filter((property) => property.key.name === 'install');
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return !!match;
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};
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const getComponentPackageImports = function ({
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result,
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properties,
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indexPath,
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importDeclarations,
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}: {
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result: TypeAssertion;
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properties: any[];
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indexPath: string;
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importDeclarations: any[];
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}) {
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const n = recast.types.namedTypes;
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result.type = PackageType.COMPONENT_PACKAGE;
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result.imports = [];
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properties.forEach((property) => {
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const [propertyMatch] = importDeclarations.filter((i) => {
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const [specifier] = i.specifiers;
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if (n.ImportDefaultSpecifier.check(specifier) && specifier.local?.name === property.value.name) {
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return true;
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}
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return false;
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});
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if (propertyMatch) {
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result.imports.push({
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type: property.key.name,
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name: propertyMatch.specifiers[0].local.name,
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indexPath: getIndexPath(path.resolve(path.dirname(indexPath), propertyMatch.source.value)),
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});
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}
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});
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return result;
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};
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const getIndexPath = function (entry: string) {
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if (fs.lstatSync(entry).isFile()) {
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return entry;
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}
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if (fs.lstatSync(entry).isDirectory()) {
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const files = fs.readdirSync(entry);
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const [index] = files.filter((file) => file.split('.')[0] === 'index');
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return path.resolve(entry, index);
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}
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return entry;
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};
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const parseEntry = function ({ ast, package: module, indexPath }: ParseEntryOption) {
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if (!ast.program) {
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console.log(`${module} 入口文件不合法`);
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return exit(1);
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}
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const tokens = getASTTokenByTraverse({ ast, indexPath });
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let { config, value, event } = tokens;
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const { importComponentSource, importComponentToken, exportDefaultToken } = tokens;
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if (!config) {
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console.log(`${module} ${EntryType.CONFIG} 文件声明不合法`);
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return exit(1);
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}
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if (!value) {
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console.log(`${module} ${EntryType.VALUE} 文件声明不合法`);
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return exit(1);
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}
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if (!event) {
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// event 非必须，不需要 exit
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console.log(`${module} ${EntryType.EVENT} 文件声明缺失`);
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}
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const findIndex = importComponentToken.indexOf(exportDefaultToken);
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let component = '';
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if (findIndex > -1) {
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component = path.resolve(path.dirname(indexPath), importComponentSource[findIndex]);
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}
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if (!component) {
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console.log(`${module} ${EntryType.COMPONENT} 文件声明不合法`);
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return exit(1);
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}
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const reg = /^.*[/\\]node_modules[/\\](.*)/;
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[, config] = config.match(reg) || [, config];
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[, value] = value.match(reg) || [, value];
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[, component] = component.match(reg) || [, component];
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[, event] = event.match(reg) || [, event];
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return {
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config,
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value,
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component,
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event,
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};
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};
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const getASTTokenByTraverse = ({ ast, indexPath }: { ast: any; indexPath: string }) => {
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let config = '';
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let value = '';
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let event = '';
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const importComponentToken: string[] = [];
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const importComponentSource: any[] = [];
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let exportDefaultToken = '';
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recast.types.visit(ast, {
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visitImportDeclaration(p) {
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const { node } = p;
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const { specifiers, source } = node;
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importComponentToken.push(specifiers?.[0].local?.name || '');
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importComponentSource.push(source.value);
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this.traverse(p);
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},
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visitExportNamedDeclaration(p) {
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const { node } = p;
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const { specifiers, source } = node;
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const name = specifiers?.[0].exported.name.toLowerCase();
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if (name === EntryType.VALUE) {
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value = path.resolve(path.dirname(indexPath), `${source?.value}`);
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} else if (name === EntryType.CONFIG) {
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config = path.resolve(path.dirname(indexPath), `${source?.value}`);
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} else if (name === EntryType.EVENT) {
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event = path.resolve(path.dirname(indexPath), `${source?.value}`);
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}
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this.traverse(p);
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},
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visitExportDefaultDeclaration(p) {
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const { node } = p;
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const { declaration } = node as any;
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exportDefaultToken = `${declaration.name}`;
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this.traverse(p);
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},
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});
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return {
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config,
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value,
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event,
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importComponentToken,
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importComponentSource,
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exportDefaultToken,
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};
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};
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const splitNameVersion = function (str: string) {
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if (typeof str !== 'string') {
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return {};
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}
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const packStr = String.prototype.trim.call(str);
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const ret = packStr.match(/((^|@).+)@(.+)/);
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let name = packStr;
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let version = 'latest';
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if (ret && ret[3] !== '') {
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({ 1: name, 3: version } = ret);
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}
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return {
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name,
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version,
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};
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};
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