Files
CodeNomad/packages/ui/src/lib/prompt-placeholders.ts
2026-02-16 05:03:27 +02:00

84 lines
2.7 KiB
TypeScript

import type { Attachment, FileSource } from "../types/attachment"
export function resolvePastedPlaceholders(prompt: string, attachments: Attachment[] = []): string {
if (!prompt) {
return prompt
}
const fileAttachments = new Set(
attachments
.filter((a): a is Attachment & { source: FileSource } => a.source.type === "file")
.map((a) => a.source.path),
)
const pathAttachments = new Set(
attachments
.filter((a) => a.source.type === "text" && typeof a.display === "string" && a.display.startsWith("path:"))
.map((a) => (a.source as { value: string }).value),
)
let result = prompt
// Step 1: Handle root paths FIRST using unique placeholders
// Replace longer pattern first to avoid partial match issues
result = result.replace(/@(\.\/)/g, "___ROOT___")
result = result.replace(/@(\.)(?!\.)/g, "___ROOT_NOSLASH___")
// Note: The regex @(\.)(?!\.) means @. NOT followed by another .
// Step 2: Build set of non-root paths
const allPaths = new Set<string>()
for (const p of fileAttachments) {
if (p && p !== "." && p !== "./") allPaths.add(p)
}
for (const p of pathAttachments) {
if (p && p !== "." && p !== "./") allPaths.add(p)
}
// Step 3: Replace @path with ./path for non-root paths
for (const path of allPaths) {
if (!path) continue
const withoutPrefix = path.startsWith("./") ? path.slice(2) : path
const withPrefix = path.startsWith("./") ? path : "./" + path
result = result.replace("@" + withoutPrefix, withPrefix)
result = result.replace("@" + withoutPrefix + "/", withPrefix + "/")
}
// Step 4: Convert placeholders back to ./
result = result.replace("___ROOT___", "./")
result = result.replace("___ROOT_NOSLASH___", "./")
// Step 5: Resolve [pasted #N] placeholders
if (!result.includes("[pasted #")) {
return result
}
if (!attachments || attachments.length === 0) {
return result
}
const lookup = new Map<string, string>()
for (const attachment of attachments) {
const source = attachment?.source
if (!source || source.type !== "text") continue
const display = attachment?.display
const value = (source as { value?: string }).value
if (typeof display !== "string" || typeof value !== "string") continue
const match = display.match(/pasted #(\d+)/)
if (!match) continue
const placeholder = `[pasted #${match[1]}]`
if (!lookup.has(placeholder)) {
lookup.set(placeholder, value)
}
}
if (lookup.size === 0) {
return result
}
return result.replace(/\[pasted #(\d+)\]/g, (fullMatch) => {
const replacement = lookup.get(fullMatch)
return typeof replacement === "string" ? replacement : fullMatch
})
}