"use strict";
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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Object.defineProperty(exports, "__esModule", { value: true });
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var stream = require("stream");
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var fsStat = require("@nodelib/fs.stat");
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var fs_1 = require("./fs");
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var FileSystemStream = /** @class */ (function (_super) {
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__extends(FileSystemStream, _super);
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function FileSystemStream() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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/**
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* Use stream API to read entries for Task.
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*/
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FileSystemStream.prototype.read = function (patterns, filter) {
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var _this = this;
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var filepaths = patterns.map(this.getFullEntryPath, this);
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var transform = new stream.Transform({ objectMode: true });
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transform._transform = function (index, _enc, done) {
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return _this.getEntry(filepaths[index], patterns[index]).then(function (entry) {
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if (entry !== null && filter(entry)) {
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transform.push(entry);
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}
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if (index === filepaths.length - 1) {
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transform.end();
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}
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done();
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});
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};
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for (var i = 0; i < filepaths.length; i++) {
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transform.write(i);
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}
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return transform;
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};
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/**
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* Return entry for the provided path.
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*/
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FileSystemStream.prototype.getEntry = function (filepath, pattern) {
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var _this = this;
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return this.getStat(filepath)
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.then(function (stat) { return _this.makeEntry(stat, pattern); })
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.catch(function () { return null; });
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};
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/**
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* Return fs.Stats for the provided path.
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*/
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FileSystemStream.prototype.getStat = function (filepath) {
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return fsStat.stat(filepath, { throwErrorOnBrokenSymlinks: false });
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};
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return FileSystemStream;
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}(fs_1.default));
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exports.default = FileSystemStream;
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