81 lines
4.8 KiB
JavaScript
81 lines
4.8 KiB
JavaScript
"use strict";
|
|
const plugins = require("./smartstream.plugins");
|
|
/**
|
|
* class Smartstream handles
|
|
*/
|
|
class Smartstream {
|
|
/**
|
|
* constructor
|
|
*/
|
|
constructor(streamArrayArg) {
|
|
this.streamArray = [];
|
|
this.errorFunction = null;
|
|
this.customEventObjectArray = [];
|
|
this.streamStartedDeferred = plugins.q.defer();
|
|
this.streamArray = streamArrayArg;
|
|
}
|
|
/**
|
|
* attach an error handler to the stream to prevent throwing
|
|
*/
|
|
onError(errorFunctionArg) {
|
|
this.errorFunction = errorFunctionArg;
|
|
}
|
|
/**
|
|
* make something with the stream itself
|
|
*/
|
|
streamStarted() {
|
|
return this.streamStartedDeferred.promise;
|
|
}
|
|
/**
|
|
* attach listener to custom event
|
|
*/
|
|
onCustomEvent(eventNameArg, eventFunctionArg) {
|
|
this.customEventObjectArray.push({
|
|
eventName: eventNameArg,
|
|
eventFunction: eventFunctionArg
|
|
});
|
|
}
|
|
/**
|
|
* run the stream
|
|
* @returns Promise
|
|
*/
|
|
run() {
|
|
let done = plugins.q.defer();
|
|
// clone Array
|
|
let streamExecutionArray = [];
|
|
for (let streamItem of this.streamArray) {
|
|
streamExecutionArray.push(streamItem);
|
|
}
|
|
// combine the stream
|
|
let finalStream = null;
|
|
let firstIteration = true;
|
|
for (let stream of streamExecutionArray) {
|
|
if (firstIteration === true) {
|
|
finalStream = stream;
|
|
}
|
|
if (this.errorFunction !== null) {
|
|
stream.on('error', this.errorFunction);
|
|
}
|
|
for (let customEventObject of this.customEventObjectArray) {
|
|
stream.on(customEventObject.eventName, customEventObject.eventFunction);
|
|
}
|
|
if (!firstIteration) {
|
|
finalStream = finalStream.pipe(stream);
|
|
}
|
|
firstIteration = false;
|
|
}
|
|
this.streamStartedDeferred.resolve();
|
|
finalStream.on('end', function () {
|
|
done.resolve();
|
|
});
|
|
finalStream.on('close', function () {
|
|
done.resolve();
|
|
});
|
|
finalStream.on('finish', function () {
|
|
done.resolve();
|
|
});
|
|
return done.promise;
|
|
}
|
|
}
|
|
exports.Smartstream = Smartstream;
|
|
//# sourceMappingURL=data:application/json;base64,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
|