239 lines
8.8 KiB
JavaScript
239 lines
8.8 KiB
JavaScript
import { statSync, lstatSync } from 'fs';
|
|
import { readdir, realpath } from 'fs/promises';
|
|
import { Readable } from 'stream';
|
|
import { resolve as pathResolve, relative as pathRelative, join as pathJoin, sep as pathSep, } from 'path';
|
|
function defaultOptions() {
|
|
return {
|
|
root: '.',
|
|
fileFilter: (_path) => true,
|
|
directoryFilter: (_path) => true,
|
|
type: FILE_TYPE,
|
|
lstat: false,
|
|
depth: 2147483648,
|
|
alwaysStat: false,
|
|
highWaterMark: 4096,
|
|
};
|
|
}
|
|
const RECURSIVE_ERROR_CODE = 'READDIRP_RECURSIVE_ERROR';
|
|
const NORMAL_FLOW_ERRORS = new Set(['ENOENT', 'EPERM', 'EACCES', 'ELOOP', RECURSIVE_ERROR_CODE]);
|
|
const FILE_TYPE = 'files';
|
|
const DIR_TYPE = 'directories';
|
|
const FILE_DIR_TYPE = 'files_directories';
|
|
const EVERYTHING_TYPE = 'all';
|
|
const ALL_TYPES = [FILE_TYPE, DIR_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE];
|
|
const DIR_TYPES = new Set([DIR_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE]);
|
|
const FILE_TYPES = new Set([FILE_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE]);
|
|
const isNormalFlowError = (error) => NORMAL_FLOW_ERRORS.has(error.code);
|
|
const wantBigintFsStats = process.platform === 'win32';
|
|
const emptyFn = (_path) => true;
|
|
const normalizeFilter = (filter) => {
|
|
if (filter === undefined)
|
|
return emptyFn;
|
|
if (typeof filter === 'function')
|
|
return filter;
|
|
if (typeof filter === 'string') {
|
|
const fl = filter.trim();
|
|
return (entry) => entry.basename === fl;
|
|
}
|
|
if (Array.isArray(filter)) {
|
|
const trItems = filter.map((item) => item.trim());
|
|
return (entry) => trItems.some((f) => entry.basename === f);
|
|
}
|
|
return emptyFn;
|
|
};
|
|
export class ReaddirpStream extends Readable {
|
|
constructor(options = {}) {
|
|
super({
|
|
objectMode: true,
|
|
autoDestroy: true,
|
|
highWaterMark: options.highWaterMark,
|
|
});
|
|
const opts = { ...defaultOptions(), ...options };
|
|
const { root, type } = opts;
|
|
this._fileFilter = normalizeFilter(opts.fileFilter);
|
|
this._directoryFilter = normalizeFilter(opts.directoryFilter);
|
|
const statMethod = opts.lstat ? lstatSync : statSync;
|
|
// Use bigint stats if it's windows and stat() supports options (node 10+).
|
|
if (wantBigintFsStats) {
|
|
this._stat = (path) => statMethod(path, { bigint: true });
|
|
}
|
|
else {
|
|
this._stat = statMethod;
|
|
}
|
|
this._maxDepth = opts.depth;
|
|
this._wantsDir = DIR_TYPES.has(type);
|
|
this._wantsFile = FILE_TYPES.has(type);
|
|
this._wantsEverything = type === EVERYTHING_TYPE;
|
|
this._root = pathResolve(root);
|
|
this._isDirent = !opts.alwaysStat;
|
|
this._statsProp = this._isDirent ? 'dirent' : 'stats';
|
|
this._rdOptions = { encoding: 'utf8', withFileTypes: this._isDirent };
|
|
// Launch stream with one parent, the root dir.
|
|
this.parents = [this._exploreDir(root, 1)];
|
|
this.reading = false;
|
|
this.parent = undefined;
|
|
}
|
|
async _read(batch) {
|
|
if (this.reading)
|
|
return;
|
|
this.reading = true;
|
|
try {
|
|
while (!this.destroyed && batch > 0) {
|
|
const par = this.parent;
|
|
const fil = par && par.files;
|
|
if (fil && fil.length > 0) {
|
|
const { path, depth } = par;
|
|
const slice = fil.splice(0, batch).map((dirent) => this._formatEntry(dirent, path));
|
|
for (const entry of slice) {
|
|
if (!entry) {
|
|
batch--;
|
|
return;
|
|
}
|
|
if (this.destroyed)
|
|
return;
|
|
const entryType = await this._getEntryType(entry);
|
|
if (entryType === 'directory' && this._directoryFilter(entry)) {
|
|
if (depth <= this._maxDepth) {
|
|
this.parents.push(this._exploreDir(entry.fullPath, depth + 1));
|
|
}
|
|
if (this._wantsDir) {
|
|
this.push(entry);
|
|
batch--;
|
|
}
|
|
}
|
|
else if ((entryType === 'file' || this._includeAsFile(entry)) &&
|
|
this._fileFilter(entry)) {
|
|
if (this._wantsFile) {
|
|
this.push(entry);
|
|
batch--;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
const parent = this.parents.pop();
|
|
if (!parent) {
|
|
this.push(null);
|
|
break;
|
|
}
|
|
this.parent = await parent;
|
|
if (this.destroyed)
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
catch (error) {
|
|
this.destroy(error);
|
|
}
|
|
finally {
|
|
this.reading = false;
|
|
}
|
|
}
|
|
async _exploreDir(path, depth) {
|
|
let files;
|
|
try {
|
|
files = await readdir(path, this._rdOptions);
|
|
}
|
|
catch (error) {
|
|
this._onError(error);
|
|
}
|
|
return { files, depth, path };
|
|
}
|
|
_formatEntry(dirent, path) {
|
|
let entry;
|
|
const basename = this._isDirent ? dirent.name : dirent;
|
|
try {
|
|
const fullPath = pathResolve(pathJoin(path, basename));
|
|
entry = { path: pathRelative(this._root, fullPath), fullPath, basename };
|
|
entry[this._statsProp] = this._isDirent ? dirent : this._stat(fullPath);
|
|
}
|
|
catch (err) {
|
|
this._onError(err);
|
|
return;
|
|
}
|
|
return entry;
|
|
}
|
|
_onError(err) {
|
|
if (isNormalFlowError(err) && !this.destroyed) {
|
|
this.emit('warn', err);
|
|
}
|
|
else {
|
|
this.destroy(err);
|
|
}
|
|
}
|
|
async _getEntryType(entry) {
|
|
// entry may be undefined, because a warning or an error were emitted
|
|
// and the statsProp is undefined
|
|
if (!entry && this._statsProp in entry) {
|
|
return '';
|
|
}
|
|
const stats = entry[this._statsProp];
|
|
if (stats.isFile())
|
|
return 'file';
|
|
if (stats.isDirectory())
|
|
return 'directory';
|
|
if (stats && stats.isSymbolicLink()) {
|
|
const full = entry.fullPath;
|
|
try {
|
|
const entryRealPath = await realpath(full);
|
|
const entryRealPathStats = lstatSync(entryRealPath);
|
|
if (entryRealPathStats.isFile()) {
|
|
return 'file';
|
|
}
|
|
if (entryRealPathStats.isDirectory()) {
|
|
const len = entryRealPath.length;
|
|
if (full.startsWith(entryRealPath) && full.substr(len, 1) === pathSep) {
|
|
const recursiveError = new Error(`Circular symlink detected: "${full}" points to "${entryRealPath}"`);
|
|
// @ts-ignore
|
|
recursiveError.code = RECURSIVE_ERROR_CODE;
|
|
return this._onError(recursiveError);
|
|
}
|
|
return 'directory';
|
|
}
|
|
}
|
|
catch (error) {
|
|
this._onError(error);
|
|
return '';
|
|
}
|
|
}
|
|
}
|
|
_includeAsFile(entry) {
|
|
const stats = entry && entry[this._statsProp];
|
|
return stats && this._wantsEverything && !stats.isDirectory();
|
|
}
|
|
}
|
|
/**
|
|
* Main function which ends up calling readdirRec and reads all files and directories in given root recursively.
|
|
* @param root Root directory
|
|
* @param options Options to specify root (start directory), filters and recursion depth
|
|
*/
|
|
export const readdirp = (root, options = {}) => {
|
|
// @ts-ignore
|
|
let type = options.entryType || options.type;
|
|
if (type === 'both')
|
|
type = FILE_DIR_TYPE; // backwards-compatibility
|
|
if (type)
|
|
options.type = type;
|
|
if (!root) {
|
|
throw new Error('readdirp: root argument is required. Usage: readdirp(root, options)');
|
|
}
|
|
else if (typeof root !== 'string') {
|
|
throw new TypeError('readdirp: root argument must be a string. Usage: readdirp(root, options)');
|
|
}
|
|
else if (type && !ALL_TYPES.includes(type)) {
|
|
throw new Error(`readdirp: Invalid type passed. Use one of ${ALL_TYPES.join(', ')}`);
|
|
}
|
|
options.root = root;
|
|
return new ReaddirpStream(options);
|
|
};
|
|
export const readdirpPromise = (root, options = {}) => {
|
|
return new Promise((resolve, reject) => {
|
|
const files = [];
|
|
readdirp(root, options)
|
|
.on('data', (entry) => files.push(entry))
|
|
.on('end', () => resolve(files))
|
|
.on('error', (error) => reject(error));
|
|
});
|
|
};
|
|
export default readdirp;
|
|
//# sourceMappingURL=index.js.map
|