94 lines
3.1 KiB
TypeScript
94 lines
3.1 KiB
TypeScript
/**
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* Path display utilities for shortening file paths in tight UI spaces.
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*
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* Strategy:
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* 1. Strip project root to make relative
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* 2. Replace home directory with ~
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* 3. Middle-truncate if still too long, preserving first and last segments
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*
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* Also provides resolveAbsolutePath() for clipboard copy (~ → real home, relative → absolute).
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*/
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/**
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* Shorten a file path for display in compact UI elements.
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* Full path should still be available via tooltip (title attribute).
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*
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* Examples:
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* - `/Users/name/.claude/projects/-Users-name-project/memory/MEMORY.md` → `~/.claude/…/memory/MEMORY.md`
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* - `/Users/name/project/.claude/rules/tailwind.md` (with projectRoot) → `.claude/rules/tailwind.md`
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* - `~/.claude/CLAUDE.md` → `~/.claude/CLAUDE.md` (already short)
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*/
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export function shortenDisplayPath(fullPath: string, projectRoot?: string, maxLength = 40): string {
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let p = fullPath;
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// 1. Make relative to project root
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if (projectRoot) {
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const root = projectRoot.replace(/[/\\]$/, '');
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if (p.startsWith(root + '/') || p.startsWith(root + '\\')) {
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p = p.slice(root.length + 1);
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}
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}
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// 2. Replace home directory with ~
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p = p
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.replace(/^\/Users\/[^/]+/, '~')
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.replace(/^\/home\/[^/]+/, '~')
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.replace(/^[A-Z]:\\Users\\[^\\]+/, '~');
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// 3. If short enough, return as-is
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if (p.length <= maxLength) return p;
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// 4. Middle-truncate: keep first meaningful segments + … + last 2 segments
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const sep = p.includes('\\') ? '\\' : '/';
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const segments = p.split(sep);
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// Determine where content starts (skip leading empty segment from absolute paths or ~)
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let startIdx = 0;
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if (segments[0] === '' || segments[0] === '~') startIdx = 1;
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// Need at least 4 content segments to truncate the middle
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if (segments.length - startIdx <= 3) return p;
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const head = segments.slice(0, startIdx + 1).join(sep);
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const tail = segments.slice(-2).join(sep);
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return `${head}${sep}\u2026${sep}${tail}`;
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}
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/**
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* Infer the user's home directory from a known absolute project path.
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* Works for macOS (/Users/x), Linux (/home/x), and Windows (C:\Users\x).
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*/
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function inferHomeDir(projectRoot: string): string | null {
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const match =
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/^(\/Users\/[^/]+)/.exec(projectRoot) ??
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/^(\/home\/[^/]+)/.exec(projectRoot) ??
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/^([A-Z]:\\Users\\[^\\]+)/.exec(projectRoot);
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return match?.[1] ?? null;
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}
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/**
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* Resolve a possibly-shortened path to its full absolute form for clipboard copy.
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*
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* - `~/...` → `/Users/username/...` (home dir inferred from projectRoot)
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* - `src/foo/bar` → `{projectRoot}/src/foo/bar`
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* - Already absolute → returned as-is
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*/
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export function resolveAbsolutePath(filePath: string, projectRoot?: string): string {
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let p = filePath;
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// Resolve ~ using home dir inferred from projectRoot
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if (p.startsWith('~/') && projectRoot) {
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const homeDir = inferHomeDir(projectRoot);
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if (homeDir) {
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p = homeDir + p.slice(1);
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}
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}
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// Make relative paths absolute by prepending projectRoot
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if (projectRoot && !p.startsWith('/') && !p.startsWith('~') && !/^[A-Z]:[/\\]/.test(p)) {
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p = projectRoot.replace(/[/\\]$/, '') + '/' + p;
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}
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return p;
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}
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