chore: add create script

+const Generator = require('yeoman-generator');
+const { statSync } = require('fs');
+const glob = require('glob');
+
+class BlockGenerator extends Generator {
+  writing() {
+    glob
+      .sync('**/*', {
+        cwd: this.templatePath(),
+        dot: true,
+      })
+      .forEach(file => {
+        const filePath = this.templatePath(file);
+        if (statSync(filePath).isFile()) {
+          this.fs.copyTpl(
+            this.templatePath(filePath),
+            this.destinationPath(file.replace(/^_/, '.')),
+            {
+              name: process.env.BLOCK.split('/')[1],
+            },
+          );
+        }
+      });
+  }
+}
+
+module.exports = BlockGenerator;

+{
+  "name": "block-generator"
+}

+{
+  "name": "<%= name %>",
+  "description": "",
+  "dependencies": {
+    "umi-request": "^1.0.0"
+  }
+}

+export default {
+  'GET /api/BLOCK_NAME/text': {
+    text: 'I am a blank block',
+  },
+};

+import React, { Component } from 'react';
+import { Button } from 'antd';
+import { connect } from 'dva';
+
+import styles from './style.less';
+
+@connect(({ BLOCK_NAME_CAMEL_CASE }) => BLOCK_NAME_CAMEL_CASE)
+class Page extends Component {
+  componentDidMount() {
+    const { dispatch } = this.props;
+    dispatch({
+      type: 'BLOCK_NAME_CAMEL_CASE/fetch',
+    });
+  }
+
+  render() {
+    const { text } = this.props;
+    return (
+      <div className={styles.container}>
+        <Button>{text}</Button>
+      </div>
+    );
+  }
+}
+
+export default Page;

+import { getText } from './service';
+
+export default {
+  namespace: 'BLOCK_NAME_CAMEL_CASE',
+  state: {
+    text: 'loading...',
+  },
+
+  effects: {
+    *fetch(_, { call, put }) {
+      const { text } = yield call(getText);
+      yield put({
+        type: 'save',
+        payload: {
+          text,
+        },
+      });
+    },
+  },
+
+  reducers: {
+    save(state, { payload }) {
+      return {
+        ...state,
+        ...payload,
+      };
+    },
+  },
+};

+import request from 'umi-request';
+
+export function getText() {
+  return request('/api/BLOCK_NAME/text');
+}

+.container {
+  padding: 8px;
+}

+const { join } = require('path');
+const BlockGenerator = require('./BlockGenerator');
+
+if (!process.env.BLOCK) {
+  console.log(`
+Please specify the BLOCK env,
+
+e.g.
+
+$ BLOCK=templates/new-template yarn run create
+$ BLOCK=blocks/new-block yarn run create
+  `);
+  process.exit(1);
+}
+
+const generator = new BlockGenerator({
+  name: 'foo',
+  env: {
+    cwd: join(__dirname, '..', process.env.BLOCK),
+  },
+  resolved: require.resolve(require.resolve('./BlockGenerator')),
+});
+
+generator.run(() => {
+  console.log('done');
+});
+

-# @umi-material/blank
-
-A blank block for quick start a umi page develop.
-
-## Usage
-
-```sh
-umi block add https://github.com/umijs/umi-blocks/tree/master/blank
-```
-
-## LICENSE
-
-MIT

@@ -8,7 +8,8 @@
     "lint-staged": "lint-staged",
     "lint-staged:js": "eslint --ext .js",
     "prettier": "node ./_scripts/prettier.js",
-    "build": "node ./_scripts/generate.js"
+    "build": "node ./_scripts/build.js",
+    "create": "node ./_scripts/create.js"
   },
   "devDependencies": {
     "@ant-design/pro-layout": "^4.5.16",
@@ -22,7 +23,7 @@
     "eslint-plugin-jsx-a11y": "^6.1.2",
     "eslint-plugin-markdown": "^1.0.0-beta.6",
     "eslint-plugin-react": "^7.11.1",
-    "glob": "^7.1.3",
+    "glob": "^7.1.4",
     "husky": "^1.2.0",
     "lint-staged": "^8.1.0",
     "mkdirp": "^0.5.1",
@@ -33,7 +34,8 @@
     "umi": "^2.3.0-0",
     "umi-plugin-block-dev": "^2.0.0",
     "umi-plugin-react": "^1.3.0-0",
-    "umi-request": "^1.2.6"
+    "umi-request": "^1.2.6",
+    "yeoman-generator": "^4.1.0"
   },
   "lint-staged": {
     "x/**/*.{js,ts,tsx,json,jsx,less}": [

@@ -11,7 +11,7 @@ e.g.
 
 $ BLOCK=templates/user-dashboard yarn start
 $ BLOCK=blocks/blank yarn start
-  `.trim());
+  `);
   process.exit(1);
 }