From a769458225905b228ef8903da593ded2c42ab49d Mon Sep 17 00:00:00 2001
From: Roy Li <me@dada.li>
Date: Tue, 5 May 2020 16:17:41 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E7=94=9F=E6=88=90=E8=A7=84=E5=88=99?=
 =?UTF-8?q?=E5=89=8D=E8=BF=9B=E8=A1=8C=20eslint=20=E6=A3=80=E6=9F=A5?=
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---
 lib/command/generate.ts   | 11 ++++++++
 lib/utils/error-helper.ts |  2 +-
 lib/utils/linter.ts       | 59 +++++++++++++++++++++++++++++++++++++++
 package.json              |  2 +-
 4 files changed, 72 insertions(+), 2 deletions(-)
 create mode 100644 lib/utils/linter.ts

diff --git a/lib/command/generate.ts b/lib/command/generate.ts
index 4de17b0fd..4ea0a6a02 100644
--- a/lib/command/generate.ts
+++ b/lib/command/generate.ts
@@ -4,6 +4,7 @@ import path from 'path';
 import { loadConfig } from '../utils/config';
 import generate from '../generate';
 import { errorHandler } from '../utils/error-helper';
+import { checkAndFix } from '../utils/linter';
 
 class GenerateCommand extends Command {
   private options: object;
@@ -24,11 +25,21 @@ class GenerateCommand extends Command {
       'skip-fail': {
         type: 'boolean',
         default: false,
+        description: '跳过生成失败的 Artifact',
+      },
+      'skip-lint': {
+        type: 'boolean',
+        default: false,
+        description: '跳过代码检查',
       },
     };
   }
 
   public async run(ctx): Promise<void> {
+    if (!ctx.argv.skipLint) {
+      checkAndFix(ctx.cwd);
+    }
+
     const config = loadConfig(ctx.cwd, ctx.argv.config, {
       // istanbul ignore next
       ...(ctx.argv.output ? {
diff --git a/lib/utils/error-helper.ts b/lib/utils/error-helper.ts
index 95c670780..d871a4eb2 100644
--- a/lib/utils/error-helper.ts
+++ b/lib/utils/error-helper.ts
@@ -14,7 +14,7 @@ export const errorHandler = function(this: Command, err: Error): void {
       console.error(chalk.red(err.stack));
       console.error();
       doctorInfo.forEach(item => {
-        console.error('  ', item);
+        console.error(item);
       });
       console.error();
 
diff --git a/lib/utils/linter.ts b/lib/utils/linter.ts
new file mode 100644
index 000000000..5f4ce000b
--- /dev/null
+++ b/lib/utils/linter.ts
@@ -0,0 +1,59 @@
+// istanbul ignore file
+
+import { CLIEngine } from 'eslint';
+
+const linterConfig = {
+  baseConfig: {
+    extends: ['eslint:recommended'],
+    parserOptions: {
+      ecmaVersion: 2020
+    },
+    env: {
+      es6: true,
+      node: true,
+      commonjs: true,
+    },
+    rules: {
+      'array-bracket-spacing': 0,
+      'comma-dangle': 0,
+      'dot-notation': 0,
+      'valid-jsdoc': 0,
+      'no-unused-vars': 0,
+      'eqeqeq': 'error',
+    },
+  },
+};
+
+export const createCli = (cliConfig?: object) => {
+  return new CLIEngine({
+    ...linterConfig,
+    ...cliConfig,
+  });
+};
+
+export const checkAndFix = (cwd: string): boolean => {
+  const cli = createCli({ fix: true, cwd, });
+  const report = cli.executeOnFiles(['.']);
+  const formatter = cli.getFormatter();
+  const { errorCount, fixableErrorCount } = report;
+
+  console.log(formatter(report.results));
+
+  if (errorCount - fixableErrorCount > 0) {
+    throw new Error('ESLint 测试不通过');
+  }
+
+  return true;
+};
+
+export const check = (cwd: string): boolean => {
+  const cli = createCli({ cwd, });
+  const report = cli.executeOnFiles(['.']);
+  const formatter = cli.getFormatter();
+  const { errorCount } = report;
+
+  console.log(formatter(report.results));
+
+  return errorCount === 0;
+};
+
diff --git a/package.json b/package.json
index d08e4583d..db1d6a6fe 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,6 @@
     "codecov": "^3.5.0",
     "coffee": "^5.3.0",
     "conventional-changelog-cli": "^2.0.31",
-    "eslint": "^6.6.0",
     "husky": "^4.2.5",
     "ini": "^1.3.5",
     "jsdom": "^16.2.2",
@@ -100,6 +99,7 @@
     "emoji-regex": "^8.0.0",
     "env2": "^2.2.2",
     "execa": "^4.0.0",
+    "eslint": "^6.6.0",
     "filesize": "^6.1.0",
     "fs-extra": "^9.0.0",
     "get-port": "^5.1.0",