[Refactor] add astUtil.isCallExpression predicate

lib/rules/boolean-prop-naming.js

@@ -10,6 +10,7 @@ const values = require('object.values');
 
 const Components = require('../util/Components');
 const propsUtil = require('../util/props');
+const astUtil = require('../util/ast');
 const docsUrl = require('../util/docsUrl');
 const propWrapperUtil = require('../util/propWrapper');
 const report = require('../util/report');
@@ -26,7 +27,7 @@ const getText = eslintUtil.getText;
 function nestedPropTypes(prop) {
   return (
     prop.type === 'Property'
-        && prop.value.type === 'CallExpression'
+    && astUtil.isCallExpression(prop.value)
   );
 }
 
@@ -311,7 +312,7 @@ module.exports = {
         }
         if (
           node.value
-          && node.value.type === 'CallExpression'
+          && astUtil.isCallExpression(node.value)
           && propWrapperUtil.isPropWrapperFunction(
             context,
             getText(context, node.value.callee)
@@ -337,7 +338,7 @@ module.exports = {
         }
         const right = node.parent.right;
         if (
-          right.type === 'CallExpression'
+          astUtil.isCallExpression(right)
           && propWrapperUtil.isPropWrapperFunction(
             context,
             getText(context, right.callee)

lib/rules/display-name.js

@@ -76,10 +76,9 @@ module.exports = {
      * @returns {boolean} True if React.forwardRef is nested inside React.memo, false if not.
      */
     function isNestedMemo(node) {
-      return node.type === 'CallExpression'
+      return astUtil.isCallExpression(node)
         && node.arguments
-        && node.arguments[0]
-        && node.arguments[0].type === 'CallExpression'
+        && astUtil.isCallExpression(node.arguments[0])
         && utils.isPragmaComponentWrapper(node);
     }
 

lib/rules/forbid-prop-types.js

@@ -134,7 +134,7 @@ module.exports = {
           ) {
             value = value.object;
           }
-          if (value.type === 'CallExpression') {
+          if (astUtil.isCallExpression(value)) {
             if (!isPropTypesPackage(value.callee)) {
               return;
             }
@@ -169,7 +169,7 @@ module.exports = {
         if (propTypesObject && propTypesObject.properties) {
           checkProperties(propTypesObject.properties);
         }
-      } else if (node.type === 'CallExpression') {
+      } else if (astUtil.isCallExpression(node)) {
         const innerNode = node.arguments && node.arguments[0];
         if (
           propWrapperUtil.isPropWrapperFunction(context, getText(context, node.callee))

lib/rules/jsx-no-bind.js

@@ -9,6 +9,7 @@
 
 const propName = require('jsx-ast-utils/propName');
 const docsUrl = require('../util/docsUrl');
+const astUtil = require('../util/ast');
 const jsxUtil = require('../util/jsx');
 const report = require('../util/report');
 const getAncestors = require('../util/eslint').getAncestors;
@@ -83,10 +84,9 @@ module.exports = {
     }
 
     function getNodeViolationType(node) {
-      const nodeType = node.type;
       if (
         !configuration.allowBind
-        && nodeType === 'CallExpression'
+        && astUtil.isCallExpression(node)
         && node.callee.type === 'MemberExpression'
         && node.callee.property.type === 'Identifier'
         && node.callee.property.name === 'bind'

lib/rules/jsx-no-useless-fragment.js

@@ -7,6 +7,7 @@
 const arrayIncludes = require('array-includes');
 
 const pragmaUtil = require('../util/pragma');
+const astUtil = require('../util/ast');
 const jsxUtil = require('../util/jsx');
 const docsUrl = require('../util/docsUrl');
 const report = require('../util/report');
@@ -75,8 +76,7 @@ function isKeyedElement(node) {
 function containsCallExpression(node) {
   return node
     && node.type === 'JSXExpressionContainer'
-    && node.expression
-    && node.expression.type === 'CallExpression';
+    && astUtil.isCallExpression(node.expression);
 }
 
 const messages = {

lib/rules/no-access-state-in-setstate.js

@@ -6,6 +6,7 @@
 'use strict';
 
 const docsUrl = require('../util/docsUrl');
+const astUtil = require('../util/ast');
 const componentUtil = require('../util/componentUtil');
 const report = require('../util/report');
 const getScope = require('../util/eslint').getScope;
@@ -32,7 +33,7 @@ module.exports = {
 
   create(context) {
     function isSetStateCall(node) {
-      return node.type === 'CallExpression'
+      return astUtil.isCallExpression(node)
         && node.callee.property
         && node.callee.property.name === 'setState'
         && node.callee.object.type === 'ThisExpression';

lib/rules/no-adjacent-inline-elements.js

@@ -8,6 +8,7 @@
 const docsUrl = require('../util/docsUrl');
 const isCreateElement = require('../util/isCreateElement');
 const report = require('../util/report');
+const astUtil = require('../util/ast');
 
 // ------------------------------------------------------------------------------
 // Helpers
@@ -62,7 +63,7 @@ function isInline(node) {
   if (node.type === 'JSXElement' && inlineNames.indexOf(node.openingElement.name.name) > -1) {
     return true;
   }
-  if (node.type === 'CallExpression' && inlineNames.indexOf(node.arguments[0].value) > -1) {
+  if (astUtil.isCallExpression(node) && inlineNames.indexOf(node.arguments[0].value) > -1) {
     return true;
   }
   return false;

lib/rules/no-array-index-key.js

@@ -190,7 +190,7 @@ module.exports = {
       }
 
       if (
-        node.type === 'CallExpression'
+        astUtil.isCallExpression(node)
         && node.callee
         && node.callee.type === 'MemberExpression'
         && node.callee.object
@@ -207,7 +207,7 @@ module.exports = {
       }
 
       if (
-        node.type === 'CallExpression'
+        astUtil.isCallExpression(node)
         && node.callee
         && node.callee.type === 'Identifier'
         && node.callee.name === 'String'

lib/rules/no-object-type-as-default-prop.js

@@ -9,6 +9,7 @@ const values = require('object.values');
 
 const Components = require('../util/Components');
 const docsUrl = require('../util/docsUrl');
+const astUtil = require('../util/ast');
 const report = require('../util/report');
 
 const FORBIDDEN_TYPES_MAP = {
@@ -55,7 +56,7 @@ function verifyDefaultPropsDestructuring(context, properties) {
         },
       });
     } else if (
-      propDefaultValueType === 'CallExpression'
+      astUtil.isCallExpression(propDefaultValue.right)
       && propDefaultValue.right.callee.type === 'Identifier'
       && propDefaultValue.right.callee.name === 'Symbol'
     ) {

lib/rules/no-typos.js

@@ -7,6 +7,7 @@
 const PROP_TYPES = Object.keys(require('prop-types'));
 const Components = require('../util/Components');
 const docsUrl = require('../util/docsUrl');
+const astUtil = require('../util/ast');
 const componentUtil = require('../util/componentUtil');
 const report = require('../util/report');
 const lifecycleMethods = require('../util/lifecycleMethods');
@@ -109,11 +110,11 @@ module.exports = {
           && node.property.name !== 'isRequired'
         ) { // PropTypes.myProp
           checkValidPropType(node.property);
-        } else if (node.object.type === 'CallExpression') {
+        } else if (astUtil.isCallExpression(node.object)) {
           checkValidPropTypeQualifier(node.property);
           checkValidCallExpression(node.object);
         }
-      } else if (node.type === 'CallExpression') {
+      } else if (astUtil.isCallExpression(node)) {
         checkValidCallExpression(node);
       }
     }

lib/rules/no-unstable-nested-components.js

@@ -7,6 +7,7 @@
 
 const Components = require('../util/Components');
 const docsUrl = require('../util/docsUrl');
+const astUtil = require('../util/ast');
 const isCreateElement = require('../util/isCreateElement');
 const report = require('../util/report');
 
@@ -66,8 +67,7 @@ function getClosestMatchingParent(node, context, matcher) {
  */
 function isCreateElementMatcher(node, context) {
   return (
-    node
-    && node.type === 'CallExpression'
+    astUtil.isCallExpression(node)
     && isCreateElement(context, node)
   );
 }
@@ -117,15 +117,6 @@ function isPropertyOfObjectExpressionMatcher(node) {
   );
 }
 
-/**
- * Matcher used to check whether given node is a `CallExpression`
- * @param {ASTNode} node The AST node
- * @returns {boolean} True if node is a `CallExpression`, false if not
- */
-function isCallExpressionMatcher(node) {
-  return node && node.type === 'CallExpression';
-}
-
 /**
  * Check whether given node or its parent is directly inside `map` call
  * ```jsx
@@ -158,7 +149,7 @@ function isReturnStatementOfHook(node, context) {
     return false;
   }
 
-  const callExpression = getClosestMatchingParent(node, context, isCallExpressionMatcher);
+  const callExpression = getClosestMatchingParent(node, context, astUtil.isCallExpression);
   return (
     callExpression
     && callExpression.callee

lib/rules/no-unused-state.js

@@ -502,7 +502,7 @@ module.exports = {
           // Otherwise, record that we saw this property being accessed.
           addUsedStateField(node.property);
         // If we see a `this.state` access in a CallExpression, give up.
-        } else if (isStateReference(node) && node.parent.type === 'CallExpression') {
+        } else if (isStateReference(node) && astUtil.isCallExpression(node.parent)) {
           classInfo = null;
         }
       },

lib/rules/prefer-exact-props.js

@@ -6,6 +6,7 @@
 
 const Components = require('../util/Components');
 const docsUrl = require('../util/docsUrl');
+const astUtil = require('../util/ast');
 const propsUtil = require('../util/props');
 const propWrapperUtil = require('../util/propWrapper');
 const variableUtil = require('../util/variable');
@@ -81,8 +82,7 @@ module.exports = {
 
     function isNonExactPropWrapperFunction(node) {
       return (
-        node
-        && node.type === 'CallExpression'
+        astUtil.isCallExpression(node)
         && !propWrapperUtil.isExactPropWrapperFunction(context, getText(context, node.callee))
       );
     }

lib/rules/prefer-stateless-function.js

@@ -70,7 +70,7 @@ module.exports = {
       return (
         body.length === 1
         && body[0].type === 'ExpressionStatement'
-        && body[0].expression.type === 'CallExpression'
+        && astUtil.isCallExpression(body[0].expression)
         && body[0].expression.callee.type === 'Super'
       );
     }

lib/rules/sort-prop-types.js

@@ -4,6 +4,7 @@
 
 'use strict';
 
+const astUtil = require('../util/ast');
 const variableUtil = require('../util/variable');
 const propsUtil = require('../util/props');
 const docsUrl = require('../util/docsUrl');
@@ -196,7 +197,7 @@ module.exports = {
         if (propTypesObject && propTypesObject.properties) {
           checkSorted(propTypesObject.properties);
         }
-      } else if (node.type === 'CallExpression') {
+      } else if (astUtil.isCallExpression(node)) {
         const innerNode = node.arguments && node.arguments[0];
         if (propWrapperUtil.isPropWrapperFunction(context, node.callee.name) && innerNode) {
           checkNode(innerNode);

lib/util/Components.js

@@ -407,7 +407,7 @@ function componentRule(rule, context) {
     },
 
     isPragmaComponentWrapper(node) {
-      if (!node || node.type !== 'CallExpression') {
+      if (!astUtil.isCallExpression(node)) {
         return false;
       }
 
@@ -763,7 +763,7 @@ function componentRule(rule, context) {
      * @returns {boolean} True if the node is a call to a React hook
      */
     isReactHookCall(node, expectedHookNames) {
-      if (node.type !== 'CallExpression') {
+      if (!astUtil.isCallExpression(node)) {
         return false;
       }
 

lib/util/ast.js

@@ -92,7 +92,7 @@ function traverseReturns(ASTNode, context, onReturn) {
   }
 
   /* TODO: properly warn on React.forwardRefs having typo properties
-  if (nodeType === 'CallExpression') {
+  if (astUtil.isCallExpression(ASTNode)) {
     const callee = ASTNode.callee;
     const pragma = pragmaUtil.getFromContext(context);
     if (
@@ -347,6 +347,15 @@ function isTSAsExpression(node) {
   return node && node.type === 'TSAsExpression';
 }
 
+/**
+ * Matcher used to check whether given node is a `CallExpression`
+ * @param {ASTNode} node The AST node
+ * @returns {boolean} True if node is a `CallExpression`, false if not
+ */
+function isCallExpression(node) {
+  return node && node.type === 'CallExpression';
+}
+
 /**
  * Extracts the expression node that is wrapped inside a TS type assertion
  *
@@ -448,6 +457,7 @@ module.exports = {
   getPropertyNameNode,
   inConstructor,
   isAssignmentLHS,
+  isCallExpression,
   isClass,
   isFunction,
   isFunctionLike,

lib/util/defaultProps.js

@@ -26,7 +26,7 @@ module.exports = function defaultPropsInstructions(context, components, utils) {
       return variableUtil.findVariableByName(context, node, node.name);
     }
     if (
-      node.type === 'CallExpression'
+      astUtil.isCallExpression(node)
       && propWrapperUtil.isPropWrapperFunction(context, node.callee.name)
       && node.arguments && node.arguments[0]
     ) {

lib/util/isCreateContext.js

@@ -1,5 +1,7 @@
 'use strict';
 
+const astUtil = require('./ast');
+
 /**
  * Checks if the node is a React.createContext call
  * @param {ASTNode} node - The AST node being checked.
@@ -11,7 +13,7 @@ module.exports = function isCreateContext(node) {
     && node.init.callee
   ) {
     if (
-      node.init.type === 'CallExpression'
+      astUtil.isCallExpression(node.init)
       && node.init.callee.name === 'createContext'
     ) {
       return true;
@@ -30,7 +32,7 @@ module.exports = function isCreateContext(node) {
     node.expression
     && node.expression.type === 'AssignmentExpression'
     && node.expression.operator === '='
-    && node.expression.right.type === 'CallExpression'
+    && astUtil.isCallExpression(node.expression.right)
     && node.expression.right.callee
   ) {
     const right = node.expression.right;