Clément Fiere
53 lines
1.7 KiB
TypeScript
53 lines
1.7 KiB
TypeScript
import type { FileInfo, GitStatusEntry } from "./types";
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const FILE_KEY_SEPARATOR = "\u0000";
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type ParsedFileKey = {
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path: string;
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repositoryName?: string;
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};
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function parseFileKey(key: string): ParsedFileKey {
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const separator = key.indexOf(FILE_KEY_SEPARATOR);
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if (separator < 0) return { path: key };
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return {
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repositoryName: key.slice(0, separator),
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path: key.slice(separator + 1),
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};
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}
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/**
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* Repairs file records from older Git-status snapshots.
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*
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* New records carry `path` and `repository_name` on each value. Older
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* cumulative-diff records stored those values only in the map key.
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*/
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export function normalizeGitStatusFiles(
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files: Record<string, FileInfo> | undefined,
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): Record<string, FileInfo> | undefined {
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if (!files) return files;
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let normalized: Record<string, FileInfo> | undefined;
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for (const [key, file] of Object.entries(files)) {
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const parsed = parseFileKey(key);
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const path = typeof file.path === "string" && file.path.length > 0 ? file.path : parsed.path;
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const repositoryName = file.repository_name ?? parsed.repositoryName;
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if (path === file.path && repositoryName === file.repository_name) continue;
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normalized ??= { ...files };
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normalized[key] = {
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...file,
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path,
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...(repositoryName === undefined ? {} : { repository_name: repositoryName }),
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};
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}
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return normalized ?? files;
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}
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/** Normalize the file contract before a Git-status entry enters the store. */
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export function normalizeGitStatusEntry(gitStatus: GitStatusEntry): GitStatusEntry {
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const files = normalizeGitStatusFiles(gitStatus.files);
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if (files === gitStatus.files) return gitStatus;
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return { ...gitStatus, files: files ?? {} };
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}
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