apollo-resolvers/dist/context.js

Expressive and composable resolvers for Apollostack's GraphQL server

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const assert = require("assert");
;
exports.createExpressContext = (data, res) => {
    data = data || {};
    data.user = data.user || null;
    data.models = data.models || {};
    const context = new Context(data);
    if (res) {
        assert(typeof res.once === 'function', 'createExpressContext takes response as second parameter that implements "res.once"');
        // Bind the response finish event to the context disposal method
        res.once('finish', () => context && context.dispose ? context.dispose() : null);
    }
    return context;
};
class Context {
    constructor(data) {
        Object.keys(data).forEach(key => {
            this[key] = data[key];
        });
    }
    dispose() {
        const models = this.models;
        const user = this.user;
        this.models = null;
        this.user = null;
        // Call dispose on every attached model that contains a dispose method
        Object.keys(models).forEach((key) => models[key].dispose ? models[key].dispose() : null);
    }
}
exports.Context = Context;
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