first commit

vant/packages/vant-cli/src/compiler/gen-package-entry.ts

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+import { get } from 'lodash';
+import { join } from 'path';
+import {
+  pascalize,
+  getComponents,
+  smartOutputFile,
+  normalizePath,
+} from '../common';
+import { SRC_DIR, getPackageJson, getVantConfig } from '../common/constant';
+
+type Options = {
+  outputPath: string;
+  pathResolver?: Function;
+};
+
+function genImports(components: string[], options: Options): string {
+  return components
+    .map(name => {
+      let path = join(SRC_DIR, name);
+      if (options.pathResolver) {
+        path = options.pathResolver(path);
+      }
+
+      return `import ${pascalize(name)} from '${normalizePath(path)}';`;
+    })
+    .join('\n');
+}
+
+function genExports(names: string[]): string {
+  return names.map(name => `${name}`).join(',\n  ');
+}
+
+export function genPackageEntry(options: Options) {
+  const names = getComponents();
+  const vantConfig = getVantConfig();
+  const skipInstall = get(vantConfig, 'build.skipInstall', []).map(pascalize);
+  const version = process.env.PACKAGE_VERSION || getPackageJson().version;
+
+  const components = names.map(pascalize);
+  const content = `${genImports(names, options)}
+
+const version = '${version}';
+
+function install(Vue) {
+  const components = [
+    ${components.filter(item => !skipInstall.includes(item)).join(',\n    ')}
+  ];
+
+  components.forEach(item => {
+    if (item.install) {
+      Vue.use(item);
+    } else if (item.name) {
+      Vue.component(item.name, item);
+    }
+  });
+}
+
+if (typeof window !== 'undefined' && window.Vue) {
+  install(window.Vue);
+}
+
+export {
+  install,
+  version,
+  ${genExports(components)}
+};
+
+export default {
+  install,
+  version
+};
+`;
+
+  smartOutputFile(options.outputPath, content);
+}