Add bin script to generated projects.

Author: Robert Jackson

commands/global/new.js

@@ -25,9 +25,12 @@ module.exports.handler = function handler(options) {
       scripts: {
         test: 'codemod-cli test',
       },
+      bin: './bin/cli.js',
       keywords: ['codemod-cli'],
-      devDependencies: {
+      dependencies: {
         'codemod-cli': `^${pkg.version}`,
+      },
+      devDependencies: {
         jest: pkg.devDependencies.jest,
       },
     },
@@ -60,5 +63,22 @@ module.exports.handler = function handler(options) {
         - yarn test
     `
   );
+  fs.outputFileSync(
+    projectName + '/bin/cli.js',
+    stripIndent`
+      #!/usr/bin/env node
+      'use strict';
+
+      require('codemod-cli').runTransform(
+        __dirname,
+        process.argv[2]       /* transform name */,
+        process.argv.slice(2) /* paths or globs */
+      )
+    `,
+    {
+      encoding: 'utf8',
+      mode: 0o755 /* -rwxr-xr-x */,
+    }
+  );
   fs.ensureFileSync(projectName + '/transforms/.gitkeep');
 };

tests/cli-test.js

@@ -165,4 +165,47 @@ QUnit.module('codemod-cli', function(hooks) {
       );
     });
   });
+
+  QUnit.module('programmatic API', function(hooks) {
+    setupProject(hooks);
+
+    QUnit.module('runTransform', function(hooks) {
+      let userProject;
+
+      hooks.beforeEach(
+        wrap(function*() {
+          // includes simple identifier reverser
+          yield execa(EXECUTABLE_PATH, ['generate', 'codemod', 'main']);
+
+          userProject = yield createTempDir();
+          process.chdir(userProject.path());
+        })
+      );
+
+      hooks.afterEach(function() {
+        return userProject.dispose();
+      });
+
+      QUnit.test(
+        'runs transform',
+        wrap(function*(assert) {
+          userProject.write({
+            foo: {
+              'something.js': 'let blah = bar',
+              'other.js': 'let blah = bar',
+            },
+          });
+
+          yield CodemodCLI.runTransform(codemodProject.path('bin'), 'main', 'foo/*thing.js');
+
+          assert.deepEqual(userProject.read(), {
+            foo: {
+              'something.js': 'let halb = rab',
+              'other.js': 'let blah = bar',
+            },
+          });
+        })
+      );
+    });
+  });
 });