Cli: Add function filter to codegen

.changeset/green-corners-sleep.md

@@ -0,0 +1,7 @@
+---
+"@mimicprotocol/test-ts": patch
+"@mimicprotocol/cli": patch
+"@mimicprotocol/lib-ts": patch
+---
+
+Add function filter to codegen

packages/cli/src/commands/codegen.ts

@@ -20,6 +20,11 @@ export default class Codegen extends Command {
 
   static override flags = {
     ...Functions.flags,
+    function: Flags.string({
+      char: 'f',
+      description: 'Function to use when resolving function configuration',
+      default: DefaultFunctionConfig.function,
+    }),
     manifest: Flags.string({
       char: 'm',
       description: 'Specify a custom manifest file path',

packages/cli/src/commands/functions.ts

@@ -49,13 +49,13 @@ export default class Functions extends Command {
       default: false,
     }),
     include: Flags.string({
-      description: `When ${MIMIC_CONFIG_FILE} exists, only run tasks with these names (space-separated)`,
+      description: `When ${MIMIC_CONFIG_FILE} exists, only run functions with these names (space-separated)`,
       multiple: true,
       exclusive: ['exclude'],
       char: 'i',
     }),
     exclude: Flags.string({
-      description: `When ${MIMIC_CONFIG_FILE} exists, exclude tasks with these names (space-separated)`,
+      description: `When ${MIMIC_CONFIG_FILE} exists, exclude functions with these names (space-separated)`,
       multiple: true,
       exclusive: ['include'],
       char: 'e',

packages/cli/tests/commands/codegen.spec.ts

@@ -10,8 +10,12 @@ describe('codegen', () => {
   const manifestPath = `${basePath}/manifests/manifest.yaml`
   const typesDirectory = `${basePath}/src/types`
 
+  beforeEach('clean generated files before each test', () => {
+    if (fs.existsSync(typesDirectory)) fs.rmSync(typesDirectory, { recursive: true, force: true })
+  })
+
   afterEach('delete generated files', () => {
-    if (fs.existsSync(typesDirectory)) fs.rmSync(typesDirectory, { recursive: true })
+    if (fs.existsSync(typesDirectory)) fs.rmSync(typesDirectory, { recursive: true, force: true })
   })
 
   context('when the manifest exists', () => {
@@ -25,6 +29,20 @@ describe('codegen', () => {
           expect(fs.existsSync(`${typesDirectory}/ERC20.ts`)).to.be.true
           expect(fs.existsSync(`${typesDirectory}/index.ts`)).to.be.true
         })
+
+        it('accepts the function flag without affecting generated files', async () => {
+          const { error } = await runCommand([...command, '--function', `${basePath}/functions/function.ts`])
+          expect(error).to.be.undefined
+          expect(fs.existsSync(`${typesDirectory}/ERC20.ts`)).to.be.true
+          expect(fs.existsSync(`${typesDirectory}/index.ts`)).to.be.true
+        })
+
+        it('accepts the function shorthand flag without affecting generated files', async () => {
+          const { error } = await runCommand([...command, `-f ${basePath}/functions/function.ts`])
+          expect(error).to.be.undefined
+          expect(fs.existsSync(`${typesDirectory}/ERC20.ts`)).to.be.true
+          expect(fs.existsSync(`${typesDirectory}/index.ts`)).to.be.true
+        })
       })
 
       context('when there are no inputs or abis', () => {