forked from anomalyco/opencode
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathfilesystem.ts
More file actions
245 lines (220 loc) · 7.41 KB
/
filesystem.ts
File metadata and controls
245 lines (220 loc) · 7.41 KB
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
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
import { chmod, mkdir, readFile, stat as statFile, writeFile } from "fs/promises"
import { createWriteStream, existsSync, statSync } from "fs"
import { lookup } from "mime-types"
import { realpathSync } from "fs"
import { dirname, join, relative, resolve as pathResolve, win32 } from "path"
import { Readable } from "stream"
import { pipeline } from "stream/promises"
import { Glob } from "./glob"
export namespace Filesystem {
// Fast sync version for metadata checks
export async function exists(p: string): Promise<boolean> {
return existsSync(p)
}
export async function isDir(p: string): Promise<boolean> {
try {
return statSync(p).isDirectory()
} catch {
return false
}
}
export function stat(p: string): ReturnType<typeof statSync> | undefined {
return statSync(p, { throwIfNoEntry: false }) ?? undefined
}
export async function statAsync(p: string): Promise<ReturnType<typeof statSync> | undefined> {
return statFile(p).catch((e) => {
if (isEnoent(e)) return undefined
throw e
})
}
export async function size(p: string): Promise<number> {
const s = stat(p)?.size ?? 0
return typeof s === "bigint" ? Number(s) : s
}
export async function readText(p: string): Promise<string> {
return readFile(p, "utf-8")
}
export async function readJson<T = any>(p: string): Promise<T> {
return JSON.parse(await readFile(p, "utf-8"))
}
export async function readBytes(p: string): Promise<Buffer> {
return readFile(p)
}
export async function readArrayBuffer(p: string): Promise<ArrayBuffer> {
const buf = await readFile(p)
return buf.buffer.slice(buf.byteOffset, buf.byteOffset + buf.byteLength) as ArrayBuffer
}
function isEnoent(e: unknown): e is { code: "ENOENT" } {
return typeof e === "object" && e !== null && "code" in e && (e as { code: string }).code === "ENOENT"
}
export async function write(p: string, content: string | Buffer | Uint8Array, mode?: number): Promise<void> {
try {
if (mode) {
await writeFile(p, content, { mode })
} else {
await writeFile(p, content)
}
} catch (e) {
if (isEnoent(e)) {
await mkdir(dirname(p), { recursive: true })
if (mode) {
await writeFile(p, content, { mode })
} else {
await writeFile(p, content)
}
return
}
throw e
}
}
export async function writeJson(p: string, data: unknown, mode?: number): Promise<void> {
return write(p, JSON.stringify(data, null, 2), mode)
}
export async function writeStream(
p: string,
stream: ReadableStream<Uint8Array> | Readable,
mode?: number,
): Promise<void> {
const dir = dirname(p)
if (!existsSync(dir)) {
await mkdir(dir, { recursive: true })
}
const nodeStream = stream instanceof ReadableStream ? Readable.fromWeb(stream as any) : stream
const writeStream = createWriteStream(p)
await pipeline(nodeStream, writeStream)
if (mode) {
await chmod(p, mode)
}
}
export function mimeType(p: string): string {
return lookup(p) || "application/octet-stream"
}
/**
* On Windows, normalize a path to its canonical casing using the filesystem.
* This is needed because Windows paths are case-insensitive but LSP servers
* may return paths with different casing than what we send them.
*/
export function normalizePath(p: string): string {
if (process.platform !== "win32") return p
const resolved = win32.normalize(win32.resolve(windowsPath(p)))
try {
return realpathSync.native(resolved)
} catch {
return resolved
}
}
export function normalizePathPattern(p: string): string {
if (process.platform !== "win32") return p
if (p === "*") return p
const match = p.match(/^(.*)[\\/]\*$/)
if (!match) return normalizePath(p)
const dir = /^[A-Za-z]:$/.test(match[1]) ? match[1] + "\\" : match[1]
return join(normalizePath(dir), "*")
}
// We cannot rely on path.resolve() here because git.exe may come from Git Bash, Cygwin, or MSYS2, so we need to translate these paths at the boundary.
// Also resolves symlinks so that callers using the result as a cache key
// always get the same canonical path for a given physical directory.
export function resolve(p: string): string {
const resolved = pathResolve(windowsPath(p))
try {
return normalizePath(realpathSync(resolved))
} catch (e) {
if (isEnoent(e)) return normalizePath(resolved)
throw e
}
}
export function windowsPath(p: string): string {
if (process.platform !== "win32") return p
return (
p
.replace(/^\/([a-zA-Z]):(?:[\\/]|$)/, (_, drive) => `${drive.toUpperCase()}:/`)
// Git Bash for Windows paths are typically /<drive>/...
.replace(/^\/([a-zA-Z])(?:\/|$)/, (_, drive) => `${drive.toUpperCase()}:/`)
// Cygwin git paths are typically /cygdrive/<drive>/...
.replace(/^\/cygdrive\/([a-zA-Z])(?:\/|$)/, (_, drive) => `${drive.toUpperCase()}:/`)
// WSL paths are typically /mnt/<drive>/...
.replace(/^\/mnt\/([a-zA-Z])(?:\/|$)/, (_, drive) => `${drive.toUpperCase()}:/`)
)
}
export function overlaps(a: string, b: string) {
const relA = relative(a, b)
const relB = relative(b, a)
return !relA || !relA.startsWith("..") || !relB || !relB.startsWith("..")
}
export function contains(parent: string, child: string) {
return !relative(parent, child).startsWith("..")
}
export async function findUp(
target: string,
start: string,
stop?: string,
options?: { rootFirst?: boolean },
): Promise<string[]>
export async function findUp(
target: string[],
start: string,
stop?: string,
options?: { rootFirst?: boolean },
): Promise<string[]>
export async function findUp(
target: string | string[],
start: string,
stop?: string,
options?: { rootFirst?: boolean },
) {
const dirs = [start]
let current = start
while (true) {
if (stop === current) break
const parent = dirname(current)
if (parent === current) break
dirs.push(parent)
current = parent
}
const targets = Array.isArray(target) ? target : [target]
const result = []
for (const dir of options?.rootFirst ? dirs.toReversed() : dirs) {
for (const item of targets) {
const search = join(dir, item)
if (await exists(search)) result.push(search)
}
}
return result
}
export async function* up(options: { targets: string[]; start: string; stop?: string }) {
const { targets, start, stop } = options
let current = start
while (true) {
for (const target of targets) {
const search = join(current, target)
if (await exists(search)) yield search
}
if (stop === current) break
const parent = dirname(current)
if (parent === current) break
current = parent
}
}
export async function globUp(pattern: string, start: string, stop?: string) {
let current = start
const result = []
while (true) {
try {
const matches = await Glob.scan(pattern, {
cwd: current,
absolute: true,
include: "file",
dot: true,
})
result.push(...matches)
} catch {
// Skip invalid glob patterns
}
if (stop === current) break
const parent = dirname(current)
if (parent === current) break
current = parent
}
return result
}
}