删除app巡检计划提交

zhangnaisong

2023-08-05 24d66c8d82b628a06e93dbb1abfea2049b3d45ab

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'use strict';
const pump = require('pump');
const bufferStream = require('./buffer-stream');
 
class MaxBufferError extends Error {
    constructor() {
        super('maxBuffer exceeded');
        this.name = 'MaxBufferError';
    }
}
 
function getStream(inputStream, options) {
    if (!inputStream) {
        return Promise.reject(new Error('Expected a stream'));
    }
 
    options = Object.assign({maxBuffer: Infinity}, options);
 
    const {maxBuffer} = options;
 
    let stream;
    return new Promise((resolve, reject) => {
        const rejectPromise = error => {
            if (error) { // A null check
                error.bufferedData = stream.getBufferedValue();
            }
            reject(error);
        };
 
        stream = pump(inputStream, bufferStream(options), error => {
            if (error) {
                rejectPromise(error);
                return;
            }
 
            resolve();
        });
 
        stream.on('data', () => {
            if (stream.getBufferedLength() > maxBuffer) {
                rejectPromise(new MaxBufferError());
            }
        });
    }).then(() => stream.getBufferedValue());
}
 
module.exports = getStream;
module.exports.buffer = (stream, options) => getStream(stream, Object.assign({}, options, {encoding: 'buffer'}));
module.exports.array = (stream, options) => getStream(stream, Object.assign({}, options, {array: true}));
module.exports.MaxBufferError = MaxBufferError;