Merge pull request #18 from ronanru/main

feat: add gopd

codemods/gopd/index.js

@@ -0,0 +1,68 @@
+import jscodeshift from 'jscodeshift';
+import { removeImport } from '../shared.js';
+
+/**
+ * @typedef {import('../../types.js').Codemod} Codemod
+ * @typedef {import('../../types.js').CodemodOptions} CodemodOptions
+ */
+
+/**
+ * @param {CodemodOptions} [options]
+ * @returns {Codemod}
+ */
+export default function (options) {
+	return {
+		name: 'gopd',
+		transform: ({ file }) => {
+			const j = jscodeshift;
+			const root = j(file.source);
+			let dirtyFlag = false;
+
+			const { identifier } = removeImport('gopd', root, j);
+
+			root
+				.find(j.UnaryExpression, {
+					operator: 'typeof',
+					argument: {
+						type: 'Identifier',
+						name: identifier,
+					},
+				})
+				.forEach((path) => {
+					const newExpression = j.unaryExpression(
+						'typeof',
+						j.memberExpression(
+							j.identifier('Object'),
+							j.identifier('getOwnPropertyDescriptor'),
+						),
+					);
+
+					j(path).replaceWith(newExpression);
+					dirtyFlag = true;
+				});
+
+			root
+				.find(j.CallExpression, {
+					callee: {
+						type: 'Identifier',
+						name: identifier,
+					},
+				})
+				.forEach((path) => {
+					const args = path.value.arguments;
+					const newExpression = j.callExpression(
+						j.memberExpression(
+							j.identifier('Object'),
+							j.identifier('getOwnPropertyDescriptor'),
+						),
+						//@ts-ignore
+						args,
+					);
+					j(path).replaceWith(newExpression);
+					dirtyFlag = true;
+				});
+
+			return dirtyFlag ? root.toSource(options) : file.source;
+		},
+	};
+}

codemods/index.js

@@ -38,6 +38,8 @@ import functionPrototypeName from './function.prototype.name/index.js';
 
 import functionsHaveNames from './functions-have-names/index.js';
 
+import gopd from './gopd/index.js';
+
 export const codemods = {
 	'is-whitespace': isWhitespace,
 	'is-array-buffer': isArrayBuffer,
@@ -59,4 +61,5 @@ export const codemods = {
 	'array.prototype.every': arrayPrototypeEvery,
 	'function.prototype.name': functionPrototypeName,
 	'functions-have-names': functionsHaveNames,
+	gopd: gopd,
 };

test/fixtures/gopd/case-1/after.js

@@ -0,0 +1,8 @@
+var assert = require("assert");
+
+var obj = {
+  foo: 42,
+};
+
+assert.equal(typeof Object.getOwnPropertyDescriptor, "function");
+assert.equal(Object.getOwnPropertyDescriptor(obj, "foo").value, 42);

test/fixtures/gopd/case-1/before.js

@@ -0,0 +1,9 @@
+var gOPD = require("gopd");
+var assert = require("assert");
+
+var obj = {
+  foo: 42,
+};
+
+assert.equal(typeof gOPD, "function");
+assert.equal(gOPD(obj, "foo").value, 42);

test/fixtures/gopd/case-1/result.js

@@ -0,0 +1,8 @@
+var assert = require("assert");
+
+var obj = {
+  foo: 42,
+};
+
+assert.equal(typeof Object.getOwnPropertyDescriptor, "function");
+assert.equal(Object.getOwnPropertyDescriptor(obj, "foo").value, 42);