feat(eslint): 新规则: manipulate-jsx-as-array

NervJS · May 25, 2018 · fb50d16 · fb50d16
1 parent 83fd7a0
commit fb50d16
Showing 1 changed file with 46 additions and 0 deletions.
diff --git a/packages/eslint-plugin-taro/rules/custom/manipulate-jsx-as-array.js b/packages/eslint-plugin-taro/rules/custom/manipulate-jsx-as-array.js
@@ -0,0 +1,46 @@
+const { buildDocsMeta } = require('../../utils/utils')
+// eslint-disable-next-line
+const { DEFAULT_Components_SET } = require('../../components')
+
+const ERROR_MESSAGE = '不能使用 Array#map 之外的方法操作 JSX 数组'
+
+const ARRAY_METHODS = new Set([
+  'concat',
+  'copyWithin',
+  'every',
+  'fill',
+  'filter',
+  'find',
+  'findIndex',
+  'flatMap',
+  'forEach',
+  'map',
+  'pop',
+  'push',
+  'reduce',
+  'reduceRight',
+  'some',
+  'shift',
+  'unshift'
+])
+
+module.exports = {
+  meta: {
+    docs: buildDocsMeta(ERROR_MESSAGE, 'manipulate-jsx-as-array')
+  },
+
+  create (context) {
+    return {
+      JSXElement (node) {
+        const parents = context.getAncestors(node)
+        const callExpression = parents.find(p => p.type === 'CallExpression' && p.callee.type === 'MemberExpression')
+        if (callExpression && ARRAY_METHODS.has(callExpression.callee.property.name)) {
+          context.report({
+            message: ERROR_MESSAGE,
+            node: callExpression
+          })
+        }
+      }
+    }
+  }
+}