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refactor: optimize streams

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Simon Chan 2022-03-01 15:19:34 +08:00
parent f4016df906
commit a92d80951b
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8 changed files with 133 additions and 105 deletions
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40
libraries/struct/src/struct.ts
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@ -541,34 +541,30 @@ export class Struct<
const value = new StructValue();
Object.defineProperties(value.value, this._extra);
return Syncbird.try(() => {
const iterator = this._fields[Symbol.iterator]();
const iterate: () => StructValue | Syncbird<StructValue> = () => {
const result = iterator.next();
if (result.done) {
return value;
}
const [name, definition] = result.value;
return Syncbird
.each(this._fields, ([name, definition]) => {
return Syncbird.resolve(
definition.deserialize(this.options, stream as any, value)
).then(fieldValue => {
value.set(name, fieldValue);
return iterate();
});
};
return iterate();
}).then(value => {
if (this._postDeserialized) {
const object = value.value as TFields;
const result = this._postDeserialized.call(object, object);
if (result) {
return result;
}
}
})
.then(() => {
const object = value.value;
return value.value;
}).valueOrPromise();
// Run `postDeserialized`
if (this._postDeserialized) {
const override = this._postDeserialized.call(object, object);
// If it returns a new value, use that as result
// Otherwise it only inspects/mutates the object in place.
if (override) {
return override;
}
}
return object;
})
.valueOrPromise();
}
public serialize(init: Evaluate<Omit<TFields, TOmitInitKey>>): Uint8Array;