32 lines
1.2 KiB
JavaScript
32 lines
1.2 KiB
JavaScript
|
"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;
|