@tanstack/query-core/build/modern/mutationCache.js

The framework agnostic core that powers TanStack Query

import { matchMutation, noop } from "./utils.js";
import { Subscribable } from "./subscribable.js";
import { notifyManager } from "./notifyManager.js";
import { Mutation } from "./mutation.js";
//#region src/mutationCache.ts
var MutationCache = class extends Subscribable {
	#mutations;
	#scopes;
	#mutationId;
	constructor(config = {}) {
		super();
		this.config = config;
		this.#mutations = /* @__PURE__ */ new Set();
		this.#scopes = /* @__PURE__ */ new Map();
		this.#mutationId = 0;
	}
	build(client, options, state) {
		const mutation = new Mutation({
			client,
			mutationCache: this,
			mutationId: ++this.#mutationId,
			options: client.defaultMutationOptions(options),
			state
		});
		this.add(mutation);
		return mutation;
	}
	add(mutation) {
		this.#mutations.add(mutation);
		const scope = scopeFor(mutation);
		if (typeof scope === "string") {
			const scopedMutations = this.#scopes.get(scope);
			if (scopedMutations) scopedMutations.push(mutation);
			else this.#scopes.set(scope, [mutation]);
		}
		this.notify({
			type: "added",
			mutation
		});
	}
	remove(mutation) {
		if (this.#mutations.delete(mutation)) {
			const scope = scopeFor(mutation);
			if (typeof scope === "string") {
				const scopedMutations = this.#scopes.get(scope);
				if (scopedMutations) {
					if (scopedMutations.length > 1) {
						const index = scopedMutations.indexOf(mutation);
						if (index !== -1) scopedMutations.splice(index, 1);
					} else if (scopedMutations[0] === mutation) this.#scopes.delete(scope);
				}
			}
		}
		this.notify({
			type: "removed",
			mutation
		});
	}
	canRun(mutation) {
		const scope = scopeFor(mutation);
		if (typeof scope === "string") {
			const firstPendingMutation = this.#scopes.get(scope)?.find((m) => m.state.status === "pending");
			return !firstPendingMutation || firstPendingMutation === mutation;
		} else return true;
	}
	runNext(mutation) {
		const scope = scopeFor(mutation);
		if (typeof scope === "string") return (this.#scopes.get(scope)?.find((m) => m !== mutation && m.state.isPaused))?.continue() ?? Promise.resolve();
		else return Promise.resolve();
	}
	clear() {
		notifyManager.batch(() => {
			this.#mutations.forEach((mutation) => {
				this.notify({
					type: "removed",
					mutation
				});
			});
			this.#mutations.clear();
			this.#scopes.clear();
		});
	}
	getAll() {
		return Array.from(this.#mutations);
	}
	find(filters) {
		const defaultedFilters = {
			exact: true,
			...filters
		};
		return this.getAll().find((mutation) => matchMutation(defaultedFilters, mutation));
	}
	findAll(filters = {}) {
		return this.getAll().filter((mutation) => matchMutation(filters, mutation));
	}
	notify(event) {
		notifyManager.batch(() => {
			this.listeners.forEach((listener) => {
				listener(event);
			});
		});
	}
	resumePausedMutations() {
		const pausedMutations = this.getAll().filter((x) => x.state.isPaused);
		return notifyManager.batch(() => Promise.all(pausedMutations.map((mutation) => mutation.continue().catch(noop))));
	}
};
function scopeFor(mutation) {
	return mutation.options.scope?.id;
}
//#endregion
export { MutationCache };

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