feat:新增连续if条件下换行规则

lib/rules/if-statement-wrap.js

@@ -0,0 +1,69 @@
+/**
+ * @fileoverview If statement with wrap
+ * @author 
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/** @type {import('eslint').Rule.RuleModule} */
+module.exports = {
+  meta: {
+    type: `problem`, // `problem`, `suggestion`, or `layout`
+    docs: {
+      description: "If statement with wrap",
+      recommended: false,
+      url: null, // URL to the documentation page for this rule
+    },
+    fixable: null, // Or `code` or `whitespace`
+    schema: [], // Add a schema if the rule has options
+    messages: {
+      newLineRequired: "There should be a newline between consecutive if statements.",
+
+    }, // Add messageId and message
+
+
+  },
+
+  create(context) {
+    // variables should be defined here
+
+    //----------------------------------------------------------------------
+    // Helpers
+    //----------------------------------------------------------------------
+
+    // any helper functions should go here or else delete this section
+
+    //----------------------------------------------------------------------
+    // Public
+    //----------------------------------------------------------------------
+
+    return {
+      // visitor functions for different types of nodes
+      IfStatement(node) {
+        const sourceCode = context.sourceCode
+        // 获取当前 if 语句结束行的行号
+        const previousTokenEndLine = node.loc.end.line;
+
+        // 获取当前 if 语句后的第一个 token
+        const nextToken = sourceCode.getTokenAfter(node);
+
+        // 如果下一个 token 存在且是 'if' 关键字
+        if (nextToken && nextToken.value === 'if') {
+
+          // 获取下一个 if 语句开始行的行号
+          const nextTokenStartLine = nextToken.loc.start.line;
+
+          if(nextTokenStartLine - previousTokenEndLine  < 2){
+            if(nextTokenStartLine - previousTokenEndLine===0){
+              context.report({node,messageId: 'newLineRequired',});
+            }
+
+          }
+        }
+    },
+    };
+  },
+};

tests/lib/rules/if-statement-wrap.js

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+/**
+ * @fileoverview If statement with wrap
+ * @author 
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/if-statement-wrap"),
+  RuleTester = require("eslint").RuleTester;
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+ruleTester.run("if-statement-wrap", rule, {
+  valid: [
+    `if(true){1}
+
+     if(true){2}`,
+    `if(true){1}
+
+     console.log(1)`,
+    `if(true){1}
+
+     if(false){2}`,
+    `if(true){
+
+      if(true){}
+
+      if(true){}
+    }`
+
+  ],
+
+  invalid: [
+    {
+      code: 'if(true){1}\nif(true){2}',
+      errors: [{ messageId: 'newLineRequired' }],
+    },
+  ],
+});