Files F104160992

stream.js
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Created: Thu, Mar 6, 21:31

stream.js
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	"use strict";
	Object.defineProperty(exports, "__esModule", { value: true });
	const stream_1 = require("stream");
	const stream_2 = require("../readers/stream");
	const provider_1 = require("./provider");
	class ProviderStream extends provider_1.default {
	constructor() {
	super(...arguments);
	this._reader = new stream_2.default(this._settings);
	}
	read(task) {
	const root = this._getRootDirectory(task);
	const options = this._getReaderOptions(task);
	const source = this.api(root, task, options);
	const destination = new stream_1.Readable({ objectMode: true, read: () => { } });
	source
	.once('error', (error) => destination.emit('error', error))
	.on('data', (entry) => destination.emit('data', options.transform(entry)))
	.once('end', () => destination.emit('end'));
	destination
	.once('close', () => source.destroy());
	return destination;
	}
	api(root, task, options) {
	if (task.dynamic) {
	return this._reader.dynamic(root, options);
	}
	return this._reader.static(task.patterns, options);
	}
	}
	exports.default = ProviderStream;

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