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~ npm install json-as
~ npm install visitor-as
For arbitrary-length numbers, use
~ npm install as-bignum
Add the transform to your asc
command
--transform json-as/transform
Or, add it to asconfig.json
{
"options": {
"transform": ["json-as/transform"]
}
}
import { JSON } from "json-as/assembly";
// @ts-ignore
@json
class Vec3 {
x!: f32;
y!: f32;
z!: f32;
}
// @ts-ignore
@json
class Player {
firstName!: string;
lastName!: string;
lastActive!: i32[];
age!: i32;
pos!: Vec3 | null;
isVerified!: boolean;
}
const player: Player = {
firstName: "Emmet",
lastName: "West",
lastActive: [8, 27, 2022],
age: 23,
pos: {
x: 3.4,
y: 1.2,
z: 8.3
},
isVerified: true
};
const stringified = JSON.stringify<Player>(player);
const parsed = JSON.parse<Player>(stringified);
Does it support the JSON specification?
Yes, it does. However, dynamic objects and arrays are not supported, but planned in the near future.
Is it fast?
Look below
How does it compare to other libs?
Its pretty much the same as the other libraries out there (near/assemblyscript-json and @serial-as/json), but it focuses highly on performance
Will it catch invalid JSON?
No, it does not check for invalid JSON, but gives its best shot at parsing instead. Will probably throw an error.
How does it compare performance-wise to other libraries?
In my testing, parsing a Vector 2 runs at 2.2m ops/s with as-json and around 10,000 ops/s with assemblyscript-json and @serial-as/json. Both are great libraries however.
Serialize Object (Vec2): ~7.20m ops/s
Deserialize Object (Vec2): ~2.2m ops/s
Serialize Array (int[4]): ~1.4m ops/s
Deserialize Array (int[4]): ~2.8m ops/s
Serialize String (5): ~5.2m ops/sw
Deserialize String (5): ~1.36m ops/s
Please submit an issue to https://github.com/JairusSW/as-json/issues if you find anything wrong with this library
FAQs
The only JSON library you'll need for AssemblyScript. SIMD enabled
The npm package json-as receives a total of 1,577 weekly downloads. As such, json-as popularity was classified as popular.
We found that json-as demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
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