啊鑫
7 天以前 fca192d3c38c5dcfbb6ace8bc71d6078f6a079b2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
/*
    MIT License http://www.opensource.org/licenses/mit-license.php
    Author Tobias Koppers @sokra
*/
 
"use strict";
 
/** @typedef {import("./Resolver").FileSystem} FileSystem */
/** @typedef {import("./Resolver").ReaddirStringCallback} ReaddirStringCallback */
/** @typedef {import("./Resolver").StringCallback} StringCallback */
/** @typedef {import("./Resolver").SyncFileSystem} SyncFileSystem */
 
/**
 * @param {SyncFileSystem} fs file system implementation
 * @constructor
 */
function SyncAsyncFileSystemDecorator(fs) {
    this.fs = fs;
 
    this.lstat = undefined;
    this.lstatSync = undefined;
    const lstatSync = fs.lstatSync;
    if (lstatSync) {
        this.lstat =
            /** @type {FileSystem["lstat"]} */
            (
                (arg, options, callback) => {
                    let result;
                    try {
                        result = /** @type {Function | undefined} */ (callback)
                            ? lstatSync.call(fs, arg, options)
                            : lstatSync.call(fs, arg);
                    } catch (e) {
                        return (callback || options)(
                            /** @type {NodeJS.ErrnoException | null} */ (e)
                        );
                    }
 
                    (callback || options)(null, /** @type {any} */ (result));
                }
            );
        this.lstatSync =
            /** @type {SyncFileSystem["lstatSync"]} */
            ((arg, options) => lstatSync.call(fs, arg, options));
    }
 
    this.stat =
        /** @type {FileSystem["stat"]} */
        (
            (arg, options, callback) => {
                let result;
                try {
                    result = /** @type {Function | undefined} */ (callback)
                        ? fs.statSync(arg, options)
                        : fs.statSync(arg);
                } catch (e) {
                    return (callback || options)(
                        /** @type {NodeJS.ErrnoException | null} */ (e)
                    );
                }
 
                (callback || options)(null, /** @type {any} */ (result));
            }
        );
    this.statSync =
        /** @type {SyncFileSystem["statSync"]} */
        ((arg, options) => fs.statSync(arg, options));
 
    this.readdir =
        /** @type {FileSystem["readdir"]} */
        (
            (arg, options, callback) => {
                let result;
                try {
                    result = /** @type {Function | undefined} */ (callback)
                        ? fs.readdirSync(
                                arg,
                                /** @type {Exclude<Parameters<FileSystem["readdir"]>[1], ReaddirStringCallback>} */
                                (options)
                          )
                        : fs.readdirSync(arg);
                } catch (e) {
                    return (callback || options)(
                        /** @type {NodeJS.ErrnoException | null} */ (e)
                    );
                }
 
                (callback || options)(null, /** @type {any} */ (result));
            }
        );
    this.readdirSync =
        /** @type {SyncFileSystem["readdirSync"]} */
        (
            (arg, options) =>
                fs.readdirSync(
                    arg,
                    /** @type {Parameters<SyncFileSystem["readdirSync"]>[1]} */ (options)
                )
        );
 
    this.readFile =
        /** @type {FileSystem["readFile"]} */
        (
            (arg, options, callback) => {
                let result;
                try {
                    result = /** @type {Function | undefined} */ (callback)
                        ? fs.readFileSync(arg, options)
                        : fs.readFileSync(arg);
                } catch (e) {
                    return (callback || options)(
                        /** @type {NodeJS.ErrnoException | null} */ (e)
                    );
                }
 
                (callback || options)(null, /** @type {any} */ (result));
            }
        );
    this.readFileSync =
        /** @type {SyncFileSystem["readFileSync"]} */
        ((arg, options) => fs.readFileSync(arg, options));
 
    this.readlink =
        /** @type {FileSystem["readlink"]} */
        (
            (arg, options, callback) => {
                let result;
                try {
                    result = /** @type {Function | undefined} */ (callback)
                        ? fs.readlinkSync(
                                arg,
                                /** @type {Exclude<Parameters<FileSystem["readlink"]>[1], StringCallback>} */
                                (options)
                          )
                        : fs.readlinkSync(arg);
                } catch (e) {
                    return (callback || options)(
                        /** @type {NodeJS.ErrnoException | null} */ (e)
                    );
                }
 
                (callback || options)(null, /** @type {any} */ (result));
            }
        );
    this.readlinkSync =
        /** @type {SyncFileSystem["readlinkSync"]} */
        (
            (arg, options) =>
                fs.readlinkSync(
                    arg,
                    /** @type {Parameters<SyncFileSystem["readlinkSync"]>[1]} */ (options)
                )
        );
 
    this.readJson = undefined;
    this.readJsonSync = undefined;
    const readJsonSync = fs.readJsonSync;
    if (readJsonSync) {
        this.readJson =
            /** @type {FileSystem["readJson"]} */
            (
                (arg, callback) => {
                    let result;
                    try {
                        result = readJsonSync.call(fs, arg);
                    } catch (e) {
                        return callback(
                            /** @type {NodeJS.ErrnoException | Error | null} */ (e)
                        );
                    }
 
                    callback(null, result);
                }
            );
        this.readJsonSync =
            /** @type {SyncFileSystem["readJsonSync"]} */
            (arg => readJsonSync.call(fs, arg));
    }
 
    this.realpath = undefined;
    this.realpathSync = undefined;
    const realpathSync = fs.realpathSync;
    if (realpathSync) {
        this.realpath =
            /** @type {FileSystem["realpath"]} */
            (
                (arg, options, callback) => {
                    let result;
                    try {
                        result = /** @type {Function | undefined} */ (callback)
                            ? realpathSync.call(
                                    fs,
                                    arg,
                                    /** @type {Exclude<Parameters<NonNullable<FileSystem["realpath"]>>[1], StringCallback>} */
                                    (options)
                              )
                            : realpathSync.call(fs, arg);
                    } catch (e) {
                        return (callback || options)(
                            /** @type {NodeJS.ErrnoException | null} */ (e)
                        );
                    }
 
                    (callback || options)(null, /** @type {any} */ (result));
                }
            );
        this.realpathSync =
            /** @type {SyncFileSystem["realpathSync"]} */
            (
                (arg, options) =>
                    realpathSync.call(
                        fs,
                        arg,
                        /** @type {Parameters<NonNullable<SyncFileSystem["realpathSync"]>>[1]} */
                        (options)
                    )
            );
    }
}
module.exports = SyncAsyncFileSystemDecorator;