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Full sample make assemblyscript with JSON transformer
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| { | |
| "targets": { | |
| "debug": { | |
| "outFile": "build/debug.wasm", | |
| "textFile": "build/debug.wat", | |
| "sourceMap": true, | |
| "debug": true | |
| }, | |
| "release": { | |
| "outFile": "build/release.wasm", | |
| "textFile": "build/release.wat", | |
| "sourceMap": true, | |
| "optimizeLevel": 3, | |
| "shrinkLevel": 0, | |
| "converge": false, | |
| "noAssert": false | |
| } | |
| }, | |
| "options": { | |
| "bindings": "esm", | |
| "transform": ["json-as/transform"] | |
| } | |
| } |
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| import { JSON } from 'json-as' | |
| let tick: i32 = 0 | |
| const getTick = (): i32 => ++tick | |
| // @ts-ignore | |
| @json | |
| class OutputJSONSchema { | |
| tick!: number | |
| input!: string | |
| } | |
| // @ts-ignore | |
| @json | |
| class InputJSONSchema { | |
| input!: string | |
| } | |
| export function hello(arr: ArrayBuffer): ArrayBuffer { | |
| const entryStr = JSON.parse<InputJSONSchema>(String.UTF8.decode(arr)) | |
| const a: OutputJSONSchema = { | |
| tick: getTick(), | |
| input: entryStr.input, | |
| } | |
| const json = JSON.stringify<OutputJSONSchema>(a) | |
| return String.UTF8.encode(`${json}`, true) | |
| } | |
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| { | |
| "extends": "assemblyscript/std/assembly.json", | |
| "include": [ | |
| "./**/*.ts" | |
| ] | |
| } |
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| import { writeFileSync } from "fs"; | |
| import { readFile } from "fs/promises" | |
| import { inspect } from "util" | |
| const main = async () => { | |
| const wasmModule = await WebAssembly.compile(new Uint8Array(await readFile("./build/release.wasm"))) | |
| let instance = await WebAssembly.instantiate(wasmModule, { | |
| env: { | |
| abort: (...args) => console.log("abort:", ...args) | |
| } | |
| }); | |
| const hello = (payload) => { | |
| const inpBuff = new TextEncoder().encode(payload); | |
| const p = instance.exports.__new(inpBuff.length, 1); | |
| new Uint8Array(instance.exports.memory.buffer).set(inpBuff, p) | |
| const ptr = instance.exports.hello(p) | |
| const dv = new DataView(instance.exports.memory.buffer, ptr) | |
| let len = 0 | |
| for (let i = 0; i < dv.byteLength; i++) { | |
| if (dv.getUint8(i) === 0) { | |
| len = i | |
| break | |
| } | |
| } | |
| const buff = new Uint8Array(instance.exports.memory.buffer, ptr, len); | |
| return `${utilInspect(buff)}\n${new TextDecoder().decode(buff)}` | |
| } | |
| writeFileSync(".log1", hello(JSON.stringify({ input: "Rick" }))) | |
| writeFileSync(".log2", hello(JSON.stringify({ input: "Morty" }))) | |
| } | |
| main() | |
| .catch(err => { | |
| console.error(err.stack) | |
| }) | |
| function utilInspect(newLocal) { | |
| return inspect(newLocal, { depth: Infinity, maxArrayLength: Infinity, maxStringLength: Infinity }); | |
| } |
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| { | |
| "name": "tdir", | |
| "version": "1.0.0", | |
| "description": "", | |
| "main": "index.js", | |
| "scripts": { | |
| "test": "node tests", | |
| "asbuild:debug": "asc assembly/index.ts --target debug", | |
| "asbuild:release": "asc assembly/index.ts --target release", | |
| "asbuild": "npm run asbuild:debug && npm run asbuild:release", | |
| "start": "npx serve ." | |
| }, | |
| "keywords": [], | |
| "author": "", | |
| "license": "ISC", | |
| "dependencies": { | |
| "assemblyscript": "^0.27.1", | |
| "json-as": "^0.5.36", | |
| "visitor-as": "^0.11.4" | |
| }, | |
| "type": "module", | |
| "exports": { | |
| ".": { | |
| "import": "./build/release.js", | |
| "types": "./build/release.d.ts" | |
| } | |
| }, | |
| "devDependencies": { | |
| "assemblyscript": "^0.27.1" | |
| } | |
| } |
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