@sapientpro/json-stream/dist/esm/suspendable.js

A JSON stream parser

export class Suspendable {
    trace;
    _suspended = false;
    _resume = Promise.withResolvers();
    _suspend = Promise.withResolvers();
    constructor(trace = false) {
        this.trace = trace;
    }
    async suspend(value) {
        this.trace && this._trace('Suspending');
        this._suspended = true;
        const { resolve } = this._suspend;
        this._suspend = Promise.withResolvers();
        resolve({ value });
        return await this._resume.promise;
    }
    async resume(value) {
        this.trace && this._trace('Resuming');
        this._suspended = false;
        const { resolve } = this._resume;
        this._resume = Promise.withResolvers();
        resolve({ value });
        return this._suspend.promise;
    }
    get suspended() {
        return this._suspended;
    }
    _trace(type) {
        try {
            throw new Error(type);
        }
        catch (e) {
            console.log(type + ' ' + e.stack.split('\n')[3].trim());
        }
    }
}