first commit

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

@@ -0,0 +1,45 @@
+import { join } from 'path';
+import { existsSync } from 'fs-extra';
+import { smartOutputFile, normalizePath } from '../common';
+import { CSS_LANG, getCssBaseFile } from '../common/css';
+import { SRC_DIR, STYPE_DEPS_JSON_FILE } from '../common/constant';
+
+type Options = {
+  outputPath: string;
+  pathResolver?: (path: string) => string;
+};
+
+export function genPacakgeStyle(options: Options) {
+  const styleDepsJson = require(STYPE_DEPS_JSON_FILE);
+  const ext = '.' + CSS_LANG;
+
+  let content = '';
+
+  let baseFile = getCssBaseFile();
+  if (baseFile) {
+    if (options.pathResolver) {
+      baseFile = options.pathResolver(baseFile);
+    }
+
+    content += `@import "${normalizePath(baseFile)}";\n`;
+  }
+
+  content += styleDepsJson.sequence
+    .map((name: string) => {
+      let path = join(SRC_DIR, `${name}/index${ext}`);
+
+      if (!existsSync(path)) {
+        return '';
+      }
+
+      if (options.pathResolver) {
+        path = options.pathResolver(path);
+      }
+
+      return `@import "${normalizePath(path)}";`;
+    })
+    .filter((item: string) => !!item)
+    .join('\n');
+
+  smartOutputFile(options.outputPath, content);
+}