/
exec.js
48 lines (40 loc) 路 1.11 KB
/
exec.js
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function dec(fn, context) {
context.addInitializer(function() {
this[context.name + 'Context'] = context;
});
return function () {
return fn.call(this) + 1;
}
}
class Foo {
static value = 1;
@dec
static a() {
return this.value;
}
@dec
static ['b']() {
return this.value;
}
}
const aContext = Foo['aContext'];
const bContext = Foo['bContext'];
expect(Foo.a()).toBe(2);
expect(Foo.b()).toBe(2);
Foo.value = 123;
expect(Foo.a()).toBe(124);
expect(Foo.b()).toBe(124);
expect(aContext.name).toBe('a');
expect(aContext.kind).toBe('method');
expect(aContext.isStatic).toBe(true);
expect(aContext.isPrivate).toBe(false);
expect(typeof aContext.addInitializer).toBe('function');
expect(typeof aContext.setMetadata).toBe('function');
expect(typeof aContext.getMetadata).toBe('function');
expect(bContext.name).toBe('b');
expect(bContext.kind).toBe('method');
expect(bContext.isStatic).toBe(true);
expect(bContext.isPrivate).toBe(false);
expect(typeof bContext.addInitializer).toBe('function');
expect(typeof bContext.setMetadata).toBe('function');
expect(typeof bContext.getMetadata).toBe('function');