@jbrowse/core/esm/util/makeAbortableReaction.js

JBrowse 2 core libraries used by plugins

import { addDisposer, isAlive } from '@jbrowse/mobx-state-tree';
import { reaction } from 'mobx';
import { isAbortException } from "./aborting.js";
import { createStopToken, stopStopToken } from "./stopToken.js";
export function makeAbortableReaction(self, dataFunction, asyncReactionFunction, reactionOptions, startedFunction, successFunction, errorFunction) {
    let inProgress;
    function handleError(error) {
        if (!isAbortException(error)) {
            if (isAlive(self)) {
                console.error(error);
                errorFunction(error);
            }
        }
    }
    addDisposer(self, reaction(() => {
        try {
            return dataFunction(self);
        }
        catch (e) {
            handleError(e);
            return undefined;
        }
    }, async (data, mobxReactionHandle) => {
        if (inProgress) {
            stopStopToken(inProgress);
        }
        if (!isAlive(self)) {
            return;
        }
        inProgress = createStopToken();
        startedFunction(inProgress);
        try {
            const result = await asyncReactionFunction(data, inProgress, self, mobxReactionHandle);
            if (isAlive(self)) {
                successFunction(result);
            }
        }
        catch (e) {
            handleError(e);
        }
    }, reactionOptions));
    addDisposer(self, () => {
        if (inProgress) {
            stopStopToken(inProgress);
        }
    });
}