49 lines
1.3 KiB
TypeScript
49 lines
1.3 KiB
TypeScript
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import { parseLineRef } from "./validation"
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import type { HashlineEdit } from "./types"
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export function getEditLineNumber(edit: HashlineEdit): number {
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switch (edit.type) {
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case "set_line":
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return parseLineRef(edit.line).line
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case "replace_lines":
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return parseLineRef(edit.end_line).line
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case "insert_after":
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return parseLineRef(edit.line).line
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case "insert_before":
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return parseLineRef(edit.line).line
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case "insert_between":
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return parseLineRef(edit.before_line).line
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case "append":
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return Number.NEGATIVE_INFINITY
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case "prepend":
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return Number.NEGATIVE_INFINITY
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case "replace":
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return Number.NEGATIVE_INFINITY
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default:
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return Number.POSITIVE_INFINITY
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}
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}
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export function collectLineRefs(edits: HashlineEdit[]): string[] {
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return edits.flatMap((edit) => {
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switch (edit.type) {
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case "set_line":
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return [edit.line]
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case "replace_lines":
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return [edit.start_line, edit.end_line]
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case "insert_after":
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return [edit.line]
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case "insert_before":
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return [edit.line]
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case "insert_between":
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return [edit.after_line, edit.before_line]
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case "append":
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case "prepend":
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case "replace":
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return []
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default:
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return []
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}
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})
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}
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