�PNG  IHDR��;���IDATx��ܻn�0���K�� �)(�pA��� ���7�LeG{�� �§㻢|��ذaÆ 6lذaÆ 6lذaÆ 6lom��$^�y���ذag�5bÆ 6lذaÆ 6lذa{���� 6lذaÆ �`����}H�Fkm�,�m����Ӫ���ô�ô!� �x�|'ܢ˟;�E:���9�&ᶒ�}�{�v]�n&�6� �h��_��t�ڠ͵-ҫ���Z;��Z$�.�P���k�ž)�!��o���>}l�eQfJ�T��u і���چ��\��X=8��Rن4`Vw�l�>����n�G�^��i�s��"ms�$�u��i��?w�bs[m�6�K4���O���.�4��%����/����b�C%��t ��M�ז� �-l�G6�mrz2���s�%�9��s@���-�k�9�=���)������k�B5����\��+͂�Zsٲ ��Rn��~G���R���C����� �wIcI��n7jJ���hۛNCS|���j0��8y�iHKֶۛ�k�Ɉ+;Sz������L/��F�*\��Ԕ�#"5��m�2��[S��������=�g��n�a�P�e�ғ�L�� lذaÆ 6l�^k��̱aÆ 6lذaÆ 6lذa;���� �_��ذaÆ 6lذaÆ 6lذaÆ ���R���IEND�B` 'use strict' /* * merge2 * https://github.com/teambition/merge2 * * Copyright (c) 2014-2020 Teambition * Licensed under the MIT license. */ const Stream = require('stream') const PassThrough = Stream.PassThrough const slice = Array.prototype.slice module.exports = merge2 function merge2 () { const streamsQueue = [] const args = slice.call(arguments) let merging = false let options = args[args.length - 1] if (options && !Array.isArray(options) && options.pipe == null) { args.pop() } else { options = {} } const doEnd = options.end !== false const doPipeError = options.pipeError === true if (options.objectMode == null) { options.objectMode = true } if (options.highWaterMark == null) { options.highWaterMark = 64 * 1024 } const mergedStream = PassThrough(options) function addStream () { for (let i = 0, len = arguments.length; i < len; i++) { streamsQueue.push(pauseStreams(arguments[i], options)) } mergeStream() return this } function mergeStream () { if (merging) { return } merging = true let streams = streamsQueue.shift() if (!streams) { process.nextTick(endStream) return } if (!Array.isArray(streams)) { streams = [streams] } let pipesCount = streams.length + 1 function next () { if (--pipesCount > 0) { return } merging = false mergeStream() } function pipe (stream) { function onend () { stream.removeListener('merge2UnpipeEnd', onend) stream.removeListener('end', onend) if (doPipeError) { stream.removeListener('error', onerror) } next() } function onerror (err) { mergedStream.emit('error', err) } // skip ended stream if (stream._readableState.endEmitted) { return next() } stream.on('merge2UnpipeEnd', onend) stream.on('end', onend) if (doPipeError) { stream.on('error', onerror) } stream.pipe(mergedStream, { end: false }) // compatible for old stream stream.resume() } for (let i = 0; i < streams.length; i++) { pipe(streams[i]) } next() } function endStream () { merging = false // emit 'queueDrain' when all streams merged. mergedStream.emit('queueDrain') if (doEnd) { mergedStream.end() } } mergedStream.setMaxListeners(0) mergedStream.add = addStream mergedStream.on('unpipe', function (stream) { stream.emit('merge2UnpipeEnd') }) if (args.length) { addStream.apply(null, args) } return mergedStream } // check and pause streams for pipe. function pauseStreams (streams, options) { if (!Array.isArray(streams)) { // Backwards-compat with old-style streams if (!streams._readableState && streams.pipe) { streams = streams.pipe(PassThrough(options)) } if (!streams._readableState || !streams.pause || !streams.pipe) { throw new Error('Only readable stream can be merged.') } streams.pause() } else { for (let i = 0, len = streams.length; i < len; i++) { streams[i] = pauseStreams(streams[i], options) } } return streams }