mindee/src/input/sources/streamInput.js

Mindee Client Library for Node.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.StreamInput = void 0;
const localInputSource_1 = require("./localInputSource");
const inputSource_1 = require("./inputSource");
class StreamInput extends localInputSource_1.LocalInputSource {
    constructor({ inputStream, filename }) {
        super({
            inputType: inputSource_1.INPUT_TYPE_STREAM,
        });
        this.fileObject = Buffer.alloc(0);
        this.filename = filename;
        this.inputStream = inputStream;
    }
    async init() {
        this.fileObject = await this.stream2buffer(this.inputStream);
        this.mimeType = await this.checkMimetype();
    }
    async stream2buffer(stream) {
        return new Promise((resolve, reject) => {
            const _buf = Array();
            stream.on("data", (chunk) => _buf.push(chunk));
            stream.on("end", () => resolve(Buffer.concat(_buf)));
            stream.on("error", (err) => reject(`Error converting stream - ${err}`));
        });
    }
}
exports.StreamInput = StreamInput;