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ospab.host/node_modules/effect/dist/esm/internal/stm/tRef.js
2025-09-15 18:10:26 +03:00

100 lines
3.2 KiB
JavaScript

import { dual } from "../../Function.js";
import * as Option from "../../Option.js";
import { pipeArguments } from "../../Pipeable.js";
import * as core from "./core.js";
import * as Entry from "./entry.js";
import * as Versioned from "./versioned.js";
/** @internal */
const TRefSymbolKey = "effect/TRef";
/** @internal */
export const TRefTypeId = /*#__PURE__*/Symbol.for(TRefSymbolKey);
export const tRefVariance = {
/* c8 ignore next */
_A: _ => _
};
/** @internal */
export class TRefImpl {
[TRefTypeId] = tRefVariance;
/** @internal */
todos;
/** @internal */
versioned;
constructor(value) {
this.versioned = new Versioned.Versioned(value);
this.todos = new Map();
}
modify(f) {
return core.effect(journal => {
const entry = getOrMakeEntry(this, journal);
const [retValue, newValue] = f(Entry.unsafeGet(entry));
Entry.unsafeSet(entry, newValue);
return retValue;
});
}
pipe() {
return pipeArguments(this, arguments);
}
}
/** @internal */
export const make = value => core.effect(journal => {
const ref = new TRefImpl(value);
journal.set(ref, Entry.make(ref, true));
return ref;
});
/** @internal */
export const get = self => self.modify(a => [a, a]);
/** @internal */
export const set = /*#__PURE__*/dual(2, (self, value) => self.modify(() => [void 0, value]));
/** @internal */
export const getAndSet = /*#__PURE__*/dual(2, (self, value) => self.modify(a => [a, value]));
/** @internal */
export const getAndUpdate = /*#__PURE__*/dual(2, (self, f) => self.modify(a => [a, f(a)]));
/** @internal */
export const getAndUpdateSome = /*#__PURE__*/dual(2, (self, f) => self.modify(a => Option.match(f(a), {
onNone: () => [a, a],
onSome: b => [a, b]
})));
/** @internal */
export const setAndGet = /*#__PURE__*/dual(2, (self, value) => self.modify(() => [value, value]));
/** @internal */
export const modify = /*#__PURE__*/dual(2, (self, f) => self.modify(f));
/** @internal */
export const modifySome = /*#__PURE__*/dual(3, (self, fallback, f) => self.modify(a => Option.match(f(a), {
onNone: () => [fallback, a],
onSome: b => b
})));
/** @internal */
export const update = /*#__PURE__*/dual(2, (self, f) => self.modify(a => [void 0, f(a)]));
/** @internal */
export const updateAndGet = /*#__PURE__*/dual(2, (self, f) => self.modify(a => {
const b = f(a);
return [b, b];
}));
/** @internal */
export const updateSome = /*#__PURE__*/dual(2, (self, f) => self.modify(a => [void 0, Option.match(f(a), {
onNone: () => a,
onSome: b => b
})]));
/** @internal */
export const updateSomeAndGet = /*#__PURE__*/dual(2, (self, f) => self.modify(a => Option.match(f(a), {
onNone: () => [a, a],
onSome: b => [b, b]
})));
/** @internal */
const getOrMakeEntry = (self, journal) => {
if (journal.has(self)) {
return journal.get(self);
}
const entry = Entry.make(self, false);
journal.set(self, entry);
return entry;
};
/** @internal */
export const unsafeGet = /*#__PURE__*/dual(2, (self, journal) => Entry.unsafeGet(getOrMakeEntry(self, journal)));
/** @internal */
export const unsafeSet = /*#__PURE__*/dual(3, (self, value, journal) => {
const entry = getOrMakeEntry(self, journal);
Entry.unsafeSet(entry, value);
return undefined;
});
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