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91 lines
2.8 KiB
TypeScript
91 lines
2.8 KiB
TypeScript
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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import { StatResponse } from "./stat.ts";
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/** A FileInfo describes a file and is returned by `stat`, `lstat`,
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* `statSync`, `lstatSync`.
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*/
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export interface FileInfo {
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/** The size of the file, in bytes. */
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len: number;
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/** The last modification time of the file. This corresponds to the `mtime`
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* field from `stat` on Unix and `ftLastWriteTime` on Windows. This may not
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* be available on all platforms.
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*/
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modified: number | null;
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/** The last access time of the file. This corresponds to the `atime`
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* field from `stat` on Unix and `ftLastAccessTime` on Windows. This may not
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* be available on all platforms.
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*/
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accessed: number | null;
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/** The last access time of the file. This corresponds to the `birthtime`
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* field from `stat` on Unix and `ftCreationTime` on Windows. This may not
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* be available on all platforms.
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*/
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created: number | null;
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/** The underlying raw st_mode bits that contain the standard Unix permissions
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* for this file/directory. TODO Match behavior with Go on windows for mode.
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*/
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mode: number | null;
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/** The file or directory name. */
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name: string | null;
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/** Returns whether this is info for a regular file. This result is mutually
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* exclusive to `FileInfo.isDirectory` and `FileInfo.isSymlink`.
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*/
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isFile(): boolean;
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/** Returns whether this is info for a regular directory. This result is
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* mutually exclusive to `FileInfo.isFile` and `FileInfo.isSymlink`.
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*/
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isDirectory(): boolean;
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/** Returns whether this is info for a symlink. This result is
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* mutually exclusive to `FileInfo.isFile` and `FileInfo.isDirectory`.
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*/
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isSymlink(): boolean;
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}
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// @internal
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export class FileInfoImpl implements FileInfo {
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private readonly _isFile: boolean;
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private readonly _isSymlink: boolean;
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len: number;
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modified: number | null;
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accessed: number | null;
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created: number | null;
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mode: number | null;
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name: string | null;
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/* @internal */
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constructor(private _res: StatResponse) {
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const modified = this._res.modified;
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const accessed = this._res.accessed;
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const created = this._res.created;
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const hasMode = this._res.hasMode;
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const mode = this._res.mode; // negative for invalid mode (Windows)
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const name = this._res.name;
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this._isFile = this._res.isFile;
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this._isSymlink = this._res.isSymlink;
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this.len = this._res.len;
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this.modified = modified ? modified : null;
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this.accessed = accessed ? accessed : null;
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this.created = created ? created : null;
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// null on Windows
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this.mode = hasMode ? mode : null;
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this.name = name ? name : null;
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}
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isFile(): boolean {
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return this._isFile;
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}
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isDirectory(): boolean {
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return !this._isFile && !this._isSymlink;
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}
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isSymlink(): boolean {
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return this._isSymlink;
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}
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}
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