/
exec.js
70 lines (60 loc) 路 1.74 KB
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exec.js
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function dec({ get, set }, context) {
context.addInitializer(function() {
this[context.name + 'Context'] = context;
});
return {
get() {
return get.call(this) + 1;
},
set(v) {
set.call(this, v + 1);
},
init(v) {
return v ? v : 1;
}
}
}
class Foo {
@dec
static accessor a;
@dec
static accessor b = 123;
@dec
static accessor ['c'] = 456;
}
const aContext = Foo['aContext'];
const bContext = Foo['bContext'];
const cContext = Foo['cContext'];
expect(Foo.a).toBe(2);
Foo.a = 123;
expect(Foo.a).toBe(125);
expect(aContext.name).toBe('a');
expect(aContext.kind).toBe('accessor');
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(Foo.hasOwnProperty('a')).toBe(true);
expect(Foo.b).toBe(124);
Foo.b = 123;
expect(Foo.b).toBe(125);
expect(bContext.name).toBe('b');
expect(bContext.kind).toBe('accessor');
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');
expect(Foo.hasOwnProperty('b')).toBe(true);
expect(Foo.c).toBe(457);
Foo.c = 456;
expect(Foo.c).toBe(458);
expect(cContext.name).toBe('c');
expect(cContext.kind).toBe('accessor');
expect(cContext.isStatic).toBe(true);
expect(cContext.isPrivate).toBe(false);
expect(typeof cContext.addInitializer).toBe('function');
expect(typeof cContext.setMetadata).toBe('function');
expect(typeof cContext.getMetadata).toBe('function');
expect(Foo.hasOwnProperty('c')).toBe(true);