chore: output result

scripts/scaffold-codemod.js

@@ -1,6 +1,14 @@
 import fs from 'fs';
 import jscodeshift from 'jscodeshift';
 
+/**
+ * Usage:
+ * node scripts/scaffold-codemod.js <name>
+ *
+ * e.g.:
+ * node scripts/scaffold-codemod.js is-whitespace
+ */
+
 const name = process.argv[2];
 
 /** @param {string} s */
@@ -13,6 +21,10 @@ fs.writeFileSync(
 	`./test/fixtures/${name}/case-1/before.js`,
 	'// Add the code you want to transform here',
 );
+fs.writeFileSync(
+	`./test/fixtures/${name}/case-1/result.js`,
+	'// This file will contain the actual result of the codemod transformation after running the tests, this is expected to be equal to the `after.js` file. This file exists for easy debugging purposes.',
+);
 fs.writeFileSync(
 	`./test/fixtures/${name}/case-1/after.js`,
 	'// Add the expected output here',

test/codemod.test.js

@@ -36,6 +36,10 @@ describe('codemod', () => {
 						},
 						jscodeshift,
 					});
+					fs.writeFileSync(
+						`./test/fixtures/${codemod.name}/${fixture}/result.js`,
+						result,
+					);
 				} catch (e) {
 					throw new Error(
 						`Codemod "${codemod.name}" failed on fixture "${fixture}"`,

test/fixtures/is-whitespace/case-1/result.js

@@ -0,0 +1,5 @@
+let str = '   ';
+let str2 = 'Hello';
+
+console.log(str1.trim() === ''); // true
+console.log(str2.trim() === ''); // false