@cloudpss/ubjson/dist/stream/decoder.js

Opinionated UBJSON encoder/decoder for CloudPSS.

import { Subject } from 'rxjs';
import { decode } from '../rxjs/decoder.js';
/** 流式解码 UBJSON */
export class DecodeTransformer {
    constructor(options) {
        this.buffer = new Subject();
        this.buffer.pipe(decode(options)).subscribe({
            next: (value) => {
                // null is not allowed in a stream
                if (value == null)
                    return;
                this.controller.enqueue(value);
            },
            error: (err) => {
                this.controller.error(err);
            },
            complete: () => {
                this.controller.terminate();
            },
        });
    }
    buffer;
    controller;
    /** @inheritdoc */
    transform(obj, controller) {
        try {
            this.controller = controller;
            this.buffer.next(obj);
        }
        catch (ex) {
            controller.error(ex);
        }
    }
    /** @inheritdoc */
    flush(controller) {
        this.controller = controller;
        this.buffer.complete();
    }
}
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