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