feat: add support for vec and array

README.md

@@ -42,13 +42,13 @@ Tested with Anchor 0.24.x.
 - [x] Types: Struct
 - [x] Types: Enum
 - [x] Types: Option & COption
-- [ ] Types: Vectors
+- [x] Types: Vector & Array
 - [x] Errors
 - [ ] Constants
 - [ ] State
 - [ ] Events
 - [ ] Metadata
-- [ ] Docs
+- [ ] Docs (waiting for <https://github.com/project-serum/anchor/pull/1561> to make it to a canonical release)
 
 Contributing
 ---

src/index.ts

@@ -55,7 +55,7 @@ export async function generate(
   // setup cli
   const argv = await yargs(hideBin(process.argv))
     .usage(
-      '$0 <Program ID>',
+      '$0 <Program ID> [options]',
       'Reads an Anchor IDL from stdin and prints the equivalent Rust interface to stdout'
     )
     .demandCommand(1)
@@ -70,7 +70,7 @@ export async function generate(
 
   // generate code
   const output = await generate(await readStream(process.stdin), {
-    programId: argv._[0] as string,
+    programId: argv['ProgramID'] as string,
     templatePath: argv.template,
   });
 

src/mappers.ts

@@ -68,8 +68,8 @@ const mapType = (type: IdlType): string => {
   if (isDefined(type)) return type.defined;
   if (isOption(type)) return `Option<${mapType(type.option)}>`;
   if (isCOption(type)) return `COption<${mapType(type.coption)}>`;
-  // TODO Vec
-  // TODO [;]
+  if (isVec(type)) return `Vec<${mapType(type.vec)}>`;
+  if (isArray(type)) return `[${type.array[0]}; ${type.array[1]}]`;
 
   if (type === 'bytes') return 'Vec<u8>';
   if (type === 'string') return '&str'; // TODO how about "String"

test/files/idl.json

@@ -80,6 +80,18 @@
         {
           "name": "publicKey",
           "type": "publicKey"
+        },
+        {
+          "name": "vec",
+          "type": {
+            "vec": "u8"
+          }
+        },
+        {
+          "name": "array",
+          "type": {
+            "array": ["bytes", 20]
+          }
         }
       ]
     }

test/files/lib.rs

@@ -1,4 +1,4 @@
-/// Generated by @lab11/anchorgen@1.0.0 at 2022-05-26T11:41:29.255Z
+/// Generated by @lab11/anchorgen@0.0.0-development at 2022-06-01T08:37:16.401Z
 
 use anchor_lang::prelude::*;
 
@@ -18,6 +18,8 @@ pub mod my_program {
         bytes: Vec<u8>,
         string: &str,
         public_key: Pubkey,
+        vec: Vec<u8>,
+        array: [bytes; 20],
     ) -> Result<()> {
         Ok(())
     }