48 lines
1.6 KiB
TypeScript
48 lines
1.6 KiB
TypeScript
|
import type { HashlineEdit } from "./types"
|
||
|
|
import { toNewLines } from "./edit-text-normalization"
|
||
|
|
|
||
|
|
function normalizeEditPayload(payload: string | string[]): string {
|
||
|
|
return toNewLines(payload).join("\n")
|
||
|
|
}
|
||
|
|
|
||
|
|
function buildDedupeKey(edit: HashlineEdit): string {
|
||
|
|
switch (edit.type) {
|
||
|
|
case "set_line":
|
||
|
|
return `set_line|${edit.line}|${normalizeEditPayload(edit.text)}`
|
||
|
|
case "replace_lines":
|
||
|
|
return `replace_lines|${edit.start_line}|${edit.end_line}|${normalizeEditPayload(edit.text)}`
|
||
|
|
case "insert_after":
|
||
|
|
return `insert_after|${edit.line}|${normalizeEditPayload(edit.text)}`
|
||
|
|
case "insert_before":
|
||
|
|
return `insert_before|${edit.line}|${normalizeEditPayload(edit.text)}`
|
||
|
|
case "insert_between":
|
||
|
|
return `insert_between|${edit.after_line}|${edit.before_line}|${normalizeEditPayload(edit.text)}`
|
||
|
|
case "replace":
|
||
|
|
return `replace|${edit.old_text}|${normalizeEditPayload(edit.new_text)}`
|
||
|
|
case "append":
|
||
|
|
return `append|${normalizeEditPayload(edit.text)}`
|
||
|
|
case "prepend":
|
||
|
|
return `prepend|${normalizeEditPayload(edit.text)}`
|
||
|
|
default:
|
||
|
|
return JSON.stringify(edit)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
export function dedupeEdits(edits: HashlineEdit[]): { edits: HashlineEdit[]; deduplicatedEdits: number } {
|
||
|
|
const seen = new Set<string>()
|
||
|
|
const deduped: HashlineEdit[] = []
|
||
|
|
let deduplicatedEdits = 0
|
||
|
|
|
||
|
|
for (const edit of edits) {
|
||
|
|
const key = buildDedupeKey(edit)
|
||
|
|
if (seen.has(key)) {
|
||
|
|
deduplicatedEdits += 1
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
seen.add(key)
|
||
|
|
deduped.push(edit)
|
||
|
|
}
|
||
|
|
|
||
|
|
return { edits: deduped, deduplicatedEdits }
|
||
|
|
}
|