@actyx/sdk/lib/v1/subscription.js

Actyx SDK

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.SubscriptionSet = exports.SubscriptionSetIO = exports.TagSubscription = exports.Subscription = exports.SubscriptionIO = void 0;
/*
 * Actyx SDK: Functions for writing distributed apps
 * deployed on peer-to-peer networks, without any servers.
 *
 * Copyright (C) 2021 Actyx AG
 */
/*
 * Actyx Pond: A TypeScript framework for writing distributed apps
 * deployed on peer-to-peer networks, without any servers.
 *
 * Copyright (C) 2020 Actyx AG
 */
/* eslint-disable @typescript-eslint/no-explicit-any */
const t = require("io-ts");
const subscriptionToString = (subscription) => {
    if (subscription.name === '' && subscription.sourceId !== '') {
        throw new Error();
    }
    // TODO: escaping / and ,
    const parts = [subscription.semantics, subscription.name, subscription.sourceId].filter((x) => x !== '');
    return parts.join('/');
};
exports.SubscriptionIO = t.readonly(t.type({
    semantics: t.string,
    // Wildcard is ""
    name: t.string,
    // Wildcard is ""
    sourceId: t.string,
}));
exports.Subscription = {
    toString: subscriptionToString,
};
exports.TagSubscription = t.readonly(t.type({
    tags: t.readonlyArray(t.string),
    local: t.boolean,
}));
/**
 * A set of subscriptions
 */
exports.SubscriptionSetIO = t.taggedUnion(
// FIXME: why doesn't this work with t.readonly??
'type', [
    t.type({ type: t.literal('empty') }),
    t.type({ type: t.literal('all') }),
    t.type({ type: t.literal('or'), subscriptions: t.readonlyArray(exports.SubscriptionIO) }),
    t.type({ type: t.literal('tags'), subscriptions: t.readonlyArray(exports.TagSubscription) }),
    // To be added in the future:
    // t.type({ type: t.literal('tag_expr'), subscriptions: t.string }),
]);
exports.SubscriptionSet = {
    empty: { type: 'empty' },
    all: { type: 'all' },
    or: (subscriptions) => ({ type: 'or', subscriptions }),
};
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