Description
Bug Report
🔎 Search Terms
static, property, decorator, es2022, undefined
🕗 Version & Regression Information
This is the behavior in every version which supports ES2022 target I tried, and I reviewed the FAQ for entries about "static"
⏯ Playground Link
💻 Code
// @target: es2022
// @lib: es2015,dom
// @experimentalDecorators: true
function bar(target: Function): void {
}
@bar
class Foo {
public static a = 1;
public static b = Foo.a * 2;
}
console.log(Foo.a)
console.log(Foo.b)🙁 Actual behavior
With target 2022 the code compiles to this JavaScript:
let Foo = Foo_1 = class Foo {
static { this.a = 1; }
static { this.b = Foo_1.a * 2; }
};Or to this when useDefineForClassFields setting is set to true:
let Foo = Foo_1 = class Foo {
static a = 1;
static b = Foo_1.a * 2;
};Both cases are wrong and throw a runtime error because Foo_1 is undefined.
When compiler target is set 2021 then it works because static properties are then initialized after the class has been created, so Foo_1 exists at this point.
When no decorator is used then this also works because then the transpiler does not create a Foo_1 variable and the static initializer uses Foo instead which exists at this point.
🙂 Expected behavior
There should be no undefined error in the generated code. This could be achieved by using Foo in the static initializer instead of Foo_1.