feature: @putout/plugin-putout: add-traverse-args: convert-traverse-to-scan

Author: coderaiser

packages/plugin-putout/lib/add-traverse-args/fixture/convert-traverse-to-scan-fix.js

@@ -0,0 +1,11 @@
+const FS = '__putout_processor_filesystem(__object)';
+
+export const report = () => `Remove vim swap file`;
+
+export const fix = (filePath) => {
+    removeFile(filePath);
+};
+
+export const traverse = (path, {push}) => {
+    findFile(path, '*.swp').map(push);
+};

packages/plugin-putout/lib/add-traverse-args/fixture/convert-traverse-to-scan.js

@@ -0,0 +1,13 @@
+const FS = '__putout_processor_filesystem(__object)';
+
+export const report = () => `Remove vim swap file`;
+
+export const fix = (filePath) => {
+    removeFile(filePath);
+};
+
+export const traverse = ({push}) => ({
+    [FS](path) {
+        findFile(path, '*.swp').map(push);
+    }
+});

packages/plugin-putout/lib/add-traverse-args/index.js

@@ -5,6 +5,7 @@ const {
     objectPattern,
     objectProperty,
     identifier,
+    isObjectPattern,
 } = types;
 
 const {traverse, getBinding} = operator;
@@ -50,7 +51,12 @@ const isArgExists = (mainName, fn) => {
     if (!fn.params.length)
         return false;
 
-    for (const prop of fn.params[0].properties) {
+    const [first] = fn.params;
+    
+    if (!isObjectPattern(first))
+        return false;
+    
+    for (const prop of first.properties) {
         if (prop.key.name === mainName)
             return true;
     }

packages/plugin-putout/lib/add-traverse-args/index.spec.js

@@ -2,6 +2,8 @@
 
 const {createTest} = require('@putout/test');
 const addPush = require('.');
+const putout = require('..');
+const convertTraverseToScan = putout.rules['convert-traverse-to-scan'];
 
 const test = createTest(__dirname, {
     plugins: [
@@ -63,3 +65,10 @@ test('plugin-putout: add-traverse-args: no report: options-declared-upper', (t)
     t.noReport('options-declared-upper');
     t.end();
 });
+
+test('plugin-putout: add-traverse-args: report: convert-traverse-to-scan', (t) => {
+    t.transform('convert-traverse-to-scan', {
+        'convert-traverse-to-scan': convertTraverseToScan,
+    });
+    t.end();
+});