forked from PirateCare/Syllabus
56 lines
1.9 KiB
JavaScript
56 lines
1.9 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const stream_1 = require("stream");
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const fsStat = require("@nodelib/fs.stat");
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const fsWalk = require("@nodelib/fs.walk");
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const reader_1 = require("./reader");
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class ReaderStream extends reader_1.default {
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constructor() {
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super(...arguments);
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this._walkStream = fsWalk.walkStream;
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this._stat = fsStat.stat;
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}
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dynamic(root, options) {
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return this._walkStream(root, options);
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}
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static(patterns, options) {
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const filepaths = patterns.map(this._getFullEntryPath, this);
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const stream = new stream_1.PassThrough({ objectMode: true });
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stream._write = (index, _enc, done) => {
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return this._getEntry(filepaths[index], patterns[index], options)
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.then((entry) => {
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if (entry !== null && options.entryFilter(entry)) {
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stream.push(entry);
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}
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if (index === filepaths.length - 1) {
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stream.end();
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}
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done();
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})
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.catch(done);
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};
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for (let i = 0; i < filepaths.length; i++) {
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stream.write(i);
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}
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return stream;
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}
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_getEntry(filepath, pattern, options) {
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return this._getStat(filepath)
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.then((stats) => this._makeEntry(stats, pattern))
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.catch((error) => {
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if (options.errorFilter(error)) {
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return null;
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}
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throw error;
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});
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}
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_getStat(filepath) {
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return new Promise((resolve, reject) => {
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this._stat(filepath, this._fsStatSettings, (error, stats) => {
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return error === null ? resolve(stats) : reject(error);
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});
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});
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}
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}
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exports.default = ReaderStream;
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