Menghuan1918
be95787c00
- fs-tree: symlink 目标 stat 从串行改为 32 并发工作池（readdir 流关闭后统一 探测），symlink 密集/网络目标目录不再累加延迟；顺序与分类语义不变 - html-route: 解码不再重建反斜杠 UNC，统一重建为平台中性的 //server/share/... 前斜杠形态（win32/POSIX 均正确 resolve），从而删除 windowsPathStyle 平台信号 与 client isWindowsStylePath 助手；同时解决无 cwd 时正斜杠 UNC 的往返盲点 - 测试/文档同步；移除未使用的 isPosix
48 lines
2.1 KiB
TypeScript
48 lines
2.1 KiB
TypeScript
/**
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* Path projection helpers shared by the explorer rows: a path relative to
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* the session cwd (for the @-reference button and "copy relative path").
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* The fs-tree joins with '/' even on Windows, so both separators normalize
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* to '/' before comparison.
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*
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* This module is dependency-free (no node:path in the client bundle): the
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* host is the authority for path semantics, so this mirror deliberately
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* accepts a SUPERSET of absolute forms — anything a Windows host would emit
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* (drive letters, UNC) plus POSIX roots. A form the host would reject
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* (e.g. a backslash UNC path on a POSIX host) passes through here and then
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* fails loudly in the host's requireAbsolute instead of being silently
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* joined onto the cwd.
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*/
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/**
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* Mirror of the host's absolute-path notion (see fs-tree.requireAbsolute):
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* POSIX roots, Windows drive letters, and Windows UNC network shares in
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* both backslash (`\\server\share\...`) and forward-slash
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* (`//server/share/...`) form. Deliberately a superset — see the module
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* comment — so a produced UNC path is never joined onto the cwd.
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*/
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export function isAbsolutePath(path: string): boolean {
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return path.startsWith('/') || /^[A-Za-z]:[\\/]/.test(path) || /^[\\/]{2}[^\\/]/.test(path)
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}
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/**
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* The path relative to the session's working directory.
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* @param cwd - the explorer root (absolute).
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* @param path - an absolute entry path from the fs-tree.
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* @returns the relative path with '/' separators ('.' for the cwd itself),
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* or `path` unchanged when it lies outside the cwd.
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*
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* The prefix test is case-insensitive: Windows paths (and macOS's
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* case-insensitive volumes) may arrive with different casing than the cwd
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* row, and the containment decision must not depend on it. The returned
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* relative text keeps the caller's own casing.
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*/
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export function relativeTo(cwd: string, path: string): string {
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const base = cwd.replace(/[\\/]+$/, '')
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const norm = (value: string): string => value.replace(/\\/g, '/')
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const nBase = norm(base)
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const nPath = norm(path)
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if (nPath === nBase) return '.'
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if (nPath.toLowerCase().startsWith(`${nBase.toLowerCase()}/`)) return nPath.slice(nBase.length + 1)
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return path
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}
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