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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | 2x 2x 2x 127x 127x 287x 287x 283x 283x 287x 127x 224x 224x 224x 99x 139x 139x 99x 224x 224x 224x 224x 224x 224x 224x 127x 127x 127x | import { ReadableImpl } from "./readable";
import { type ReadableLike, type Config, type Get, type OwnedReadable } from "./typings";
import { getReadable } from "./utils";
export interface ComputeFn<TValue = any> {
(get: Get): TValue;
}
export const compute = <TValue>(fn: ComputeFn<TValue>, config?: Config<TValue>): OwnedReadable<TValue> => {
let running: boolean | undefined;
const get: Get = ($?: ReadableLike): unknown => {
const readable = getReadable($);
if (!readable) return $;
self.addDep_(readable as ReadableImpl);
return readable.get();
};
const self = new ReadableImpl(self => {
const isFirst = !running;
running = true;
if (isFirst && self.deps_?.size) {
for (const dep of self.deps_.keys()) {
self.removeDep_(dep);
}
}
try {
return fn(get);
} finally {
if (isFirst) {
running = false;
}
}
}, config);
return self;
};
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