Aktueller Stand

backend/node_modules/effect/dist/esm/internal/ref.js

@@ -0,0 +1,110 @@
+import * as Effectable from "../Effectable.js";
+import { dual } from "../Function.js";
+import * as MutableRef from "../MutableRef.js";
+import * as Option from "../Option.js";
+import * as Readable from "../Readable.js";
+import * as core from "./core.js";
+/** @internal */
+export const RefTypeId = /*#__PURE__*/Symbol.for("effect/Ref");
+/** @internal */
+export const refVariance = {
+  /* c8 ignore next */
+  _A: _ => _
+};
+class RefImpl extends Effectable.Class {
+  ref;
+  commit() {
+    return this.get;
+  }
+  [RefTypeId] = refVariance;
+  [Readable.TypeId] = Readable.TypeId;
+  constructor(ref) {
+    super();
+    this.ref = ref;
+    this.get = core.sync(() => MutableRef.get(this.ref));
+  }
+  get;
+  modify(f) {
+    return core.sync(() => {
+      const current = MutableRef.get(this.ref);
+      const [b, a] = f(current);
+      if (current !== a) {
+        MutableRef.set(a)(this.ref);
+      }
+      return b;
+    });
+  }
+}
+/** @internal */
+export const unsafeMake = value => new RefImpl(MutableRef.make(value));
+/** @internal */
+export const make = value => core.sync(() => unsafeMake(value));
+/** @internal */
+export const get = self => self.get;
+/** @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, pf) => self.modify(value => {
+  const option = pf(value);
+  switch (option._tag) {
+    case "None":
+      {
+        return [value, value];
+      }
+    case "Some":
+      {
+        return [value, option.value];
+      }
+  }
+}));
+/** @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, pf) => self.modify(value => {
+  const option = pf(value);
+  switch (option._tag) {
+    case "None":
+      {
+        return [fallback, value];
+      }
+    case "Some":
+      {
+        return option.value;
+      }
+  }
+}));
+/** @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 result = f(a);
+  return [result, result];
+}));
+/** @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, pf) => self.modify(value => {
+  const option = pf(value);
+  switch (option._tag) {
+    case "None":
+      {
+        return [value, value];
+      }
+    case "Some":
+      {
+        return [option.value, option.value];
+      }
+  }
+}));
+/** @internal */
+export const unsafeGet = self => MutableRef.get(self.ref);
+//# sourceMappingURL=ref.js.map