feat(cli): import base css

packages/vant-cli/src/common/constant.ts

@@ -10,6 +10,8 @@ export const CONFIG_FILE = join(CWD, 'vant.config.js');
 export const PACKAGE_JSON_FILE = join(CWD, 'package.json');
 export const WEBPACK_CONFIG_FILE = join(CWD, 'webpack.config.js');
 
+export const STYLE_DIR = join(SRC_DIR, 'style');
+
 export const DIST_DIR = join(__dirname, '../../dist');
 export const CONFIG_DIR = join(__dirname, '../config');
 

packages/vant-cli/src/common/css.ts

@@ -0,0 +1,33 @@
+import { get } from 'lodash';
+import { join, isAbsolute } from 'path';
+import { CONFIG, STYLE_DIR, SRC_DIR } from './constant';
+import { existsSync } from 'fs';
+
+type CSS_LANG = 'css' | 'less' | 'scss';
+
+function getCssLang(): CSS_LANG {
+  const preprocessor = get(CONFIG, 'build.css.preprocessor', 'less');
+
+  if (preprocessor === 'sass') {
+    return 'scss';
+  }
+
+  return preprocessor;
+}
+
+export const CSS_LANG = getCssLang();
+
+export function getCssBaseFile() {
+  let path = join(STYLE_DIR, `base.${CSS_LANG}`);
+
+  const baseFile = get(CONFIG, 'build.css.base', '');
+  if (baseFile) {
+    path = isAbsolute(baseFile) ? baseFile : join(SRC_DIR, baseFile);
+  }
+
+  if (existsSync(path)) {
+    return path;
+  }
+
+  return null;
+}

packages/vant-cli/src/common/index.ts

@@ -1,7 +1,8 @@
 import decamelize from 'decamelize';
-import { readdirSync, existsSync, lstatSync, readFileSync } from 'fs-extra';
 import { join } from 'path';
-import { SRC_DIR, WEBPACK_CONFIG_FILE } from './constant';
+import { get } from 'lodash';
+import { readdirSync, existsSync, lstatSync, readFileSync } from 'fs-extra';
+import { CONFIG, SRC_DIR, WEBPACK_CONFIG_FILE } from './constant';
 
 export const EXT_REGEXP = /\.\w+$/;
 export const SFC_REGEXP = /\.(vue)$/;
@@ -103,4 +104,14 @@ export function isDev() {
   return process.env.NODE_ENV === 'development';
 }
 
+export function getCssLang(): string {
+  const preprocessor = get(CONFIG, 'build.css.preprocessor', 'less');
+
+  if (preprocessor === 'sass') {
+    return 'scss';
+  }
+
+  return preprocessor;
+}
+
 export { decamelize };