feat(napi): improve symbol support

examples/napi/__test__/typegen.spec.ts.md

@@ -35,7 +35,7 @@ Generated by [AVA](https://avajs.dev).
     export function listObjKeys(obj: object): Array<string>␊
     export function createObj(): object␊
     export function getGlobal(): typeof global␊
-    export function getUndefined(): JsUndefined␊
+    export function getUndefined(): void␊
     export function getNull(): JsNull␊
     export function asyncPlus100(p: Promise<number>): Promise<number>␊
     interface PackageJson {␊
@@ -50,6 +50,8 @@ Generated by [AVA](https://avajs.dev).
     export function concatStr(s: string): string␊
     export function concatUtf16(s: string): string␊
     export function concatLatin1(s: string): string␊
+    export function setSymbolInObj(symbol: symbol): object␊
+    export function createSymbol(): symbol␊
     export function withoutAbortController(a: number, b: number): Promise<number>␊
     export function withAbortController(a: number, b: number, signal: AbortSignal): Promise<number>␊
     export function callThreadsafeFunction(callback: (...args: any[]) => any): void␊

examples/napi/__test__/values.spec.ts

@@ -44,6 +44,8 @@ import {
   getGlobal,
   getUndefined,
   getNull,
+  setSymbolInObj,
+  createSymbol,
 } from '../'
 
 test('number', (t) => {
@@ -156,6 +158,16 @@ test('get null', (t) => {
   }
 })
 
+test('pass symbol in', (t) => {
+  const sym = Symbol('test')
+  const obj = setSymbolInObj(sym)
+  t.is(obj[sym], 'a symbol')
+})
+
+test('create symbol', (t) => {
+  t.is(createSymbol().toString(), 'Symbol(a symbol)')
+})
+
 test('Option', (t) => {
   t.is(mapOption(null), null)
   t.is(mapOption(3), 4)

examples/napi/index.d.ts

@@ -7,9 +7,7 @@ export function bigintAdd(a: BigInt, b: BigInt): BigInt
 export function createBigInt(): BigInt
 export function createBigIntI64(): BigInt
 export function getCwd(callback: (arg0: string) => void): void
-export function readFile(
-  callback: (arg0: Error | undefined, arg1: string | null) => void,
-): void
+export function readFile(callback: (arg0: Error | undefined, arg1: string | null) => void): void
 export function eitherStringOrNumber(input: string | number): number
 export function returnEither(input: number): string | number
 export function either3(input: string | number | boolean): number
@@ -17,21 +15,8 @@ interface Obj {
   v: string | number
 }
 export function either4(input: string | number | boolean | Obj): number
-export enum Kind {
-  Dog = 0,
-  Cat = 1,
-  Duck = 2,
-}
-export enum CustomNumEnum {
-  One = 1,
-  Two = 2,
-  Three = 3,
-  Four = 4,
-  Six = 6,
-  Eight = 8,
-  Nine = 9,
-  Ten = 10,
-}
+export enum Kind { Dog = 0, Cat = 1, Duck = 2 }
+export enum CustomNumEnum { One = 1, Two = 2, Three = 3, Four = 4, Six = 6, Eight = 8, Nine = 9, Ten = 10 }
 export function enumToI32(e: CustomNumEnum): number
 export function throwError(): void
 export function mapOption(val: number | null): number | null
@@ -40,7 +25,7 @@ export function fibonacci(n: number): number
 export function listObjKeys(obj: object): Array<string>
 export function createObj(): object
 export function getGlobal(): typeof global
-export function getUndefined(): JsUndefined
+export function getUndefined(): void
 export function getNull(): JsNull
 export function asyncPlus100(p: Promise<number>): Promise<number>
 interface PackageJson {
@@ -55,12 +40,10 @@ export function contains(source: string, target: string): boolean
 export function concatStr(s: string): string
 export function concatUtf16(s: string): string
 export function concatLatin1(s: string): string
+export function setSymbolInObj(symbol: symbol): object
+export function createSymbol(): symbol
 export function withoutAbortController(a: number, b: number): Promise<number>
-export function withAbortController(
-  a: number,
-  b: number,
-  signal: AbortSignal,
-): Promise<number>
+export function withAbortController(a: number, b: number, signal: AbortSignal): Promise<number>
 export function callThreadsafeFunction(callback: (...args: any[]) => any): void
 export function threadsafeFunctionThrowError(cb: (...args: any[]) => any): void
 export function getBuffer(): Buffer
@@ -74,10 +57,14 @@ export class Animal {
   static getDogKind(): Kind
 }
 export class Blake2BHasher {
+  
   static withKey(key: Blake2bKey): Blake2BHasher
 }
-export class Blake2BKey {}
+export class Blake2BKey {
+  
+}
 export class Context {
+  
   constructor()
   static withData(data: string): Context
   method(): string

examples/napi/src/lib.rs

@@ -18,6 +18,7 @@ mod object;
 mod promise;
 mod serde;
 mod string;
+mod symbol;
 mod task;
 mod threadsafe_function;
 mod typed_array;

examples/napi/src/symbol.rs

@@ -0,0 +1,13 @@
+use napi::{bindgen_prelude::*, Env, JsObject, JsSymbol};
+
+#[napi]
+pub fn set_symbol_in_obj(env: Env, symbol: JsSymbol) -> Result<JsObject> {
+  let mut obj = env.create_object()?;
+  obj.set_property(symbol, env.create_string("a symbol")?)?;
+  Ok(obj)
+}
+
+#[napi]
+pub fn create_symbol() -> Symbol {
+  Symbol::new("a symbol".to_owned())
+}