refactor: improve base getter readability

This commit is contained in:
Evan You 2020-06-12 09:25:40 -04:00
parent 80e1693e1f
commit d863ce721f

View File

@ -60,34 +60,34 @@ function createGetter(isReadonly = false, shallow = false) {
if (targetIsArray && hasOwn(arrayInstrumentations, key)) {
return Reflect.get(arrayInstrumentations, key, receiver)
}
const res = Reflect.get(target, key, receiver)
if ((isSymbol(key) && builtInSymbols.has(key)) || key === '__proto__') {
return res
}
!isReadonly && track(target, TrackOpTypes.GET, key)
if (!isReadonly) {
track(target, TrackOpTypes.GET, key)
}
if (shallow) {
return res
}
if (isRef(res)) {
if (targetIsArray) {
return res
} else {
// ref unwrapping, only for Objects, not for Arrays.
return res.value
}
// ref unwrapping, only for Objects, not for Arrays.
return targetIsArray ? res : res.value
}
return isObject(res)
? isReadonly
? // need to lazy access readonly and reactive here to avoid
// circular dependency
readonly(res)
: reactive(res)
: res
if (isObject(res)) {
// Convert returned value into a proxy as well. we do the isObject check
// here to avoid invalid value warning. Also need to lazy access readonly
// and reactive here to avoid circular dependency.
return isReadonly ? readonly(res) : reactive(res)
}
return res
}
}