João Salavisa
88 lines
3.6 KiB
JavaScript
88 lines
3.6 KiB
JavaScript
/**
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* Which files a change added or modified, and the raw diff its added-line ranges
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* are parsed from.
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*
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* Split out of `check-new-code-i18n.mjs` so the selection can be tested against
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* real git topologies — a merge ref, a rebased branch, a push — without needing
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* ESLint or this repository's own history.
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*/
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import { git } from "./git-base.mjs";
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export const WEB_PREFIX = "apps/web/";
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/** Only UI source. Tests build fixtures out of literals on purpose. */
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export function isCandidate(repoPath) {
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if (!repoPath.startsWith(WEB_PREFIX)) return false;
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const rel = repoPath.slice(WEB_PREFIX.length);
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if (!/\.tsx?$/.test(rel)) return false;
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if (/\.(test|spec)\.tsx?$/.test(rel)) return false;
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if (rel.startsWith("e2e/") || rel.startsWith("scripts/")) return false;
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return /^(components|app|hooks|lib|src)\//.test(rel);
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}
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/**
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* Only Playwright E2E sources, for the sleep ratchet.
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*
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* The exact complement of the `e2e/` exclusion in {@link isCandidate}: the i18n
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* guard skips this tree because tests build fixtures out of literals on purpose,
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* and the sleep guard exists only for this tree. `.spec.ts` files are the
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* *primary* target here rather than an exclusion, which is why this cannot be
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* expressed as options on the other predicate.
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*
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* `causal-waits.ts` is not excluded here. Exemption belongs to the eslint config
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* (`SLEEP_EXEMPT_FILES`), so the editor, the preview and the gate all read one
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* list; filtering it out at selection time as well would be a second place to
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* keep in sync, and the one that fails silently.
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*/
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export function isE2eCandidate(repoPath) {
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if (!repoPath.startsWith(WEB_PREFIX)) return false;
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const rel = repoPath.slice(WEB_PREFIX.length);
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return rel.startsWith("e2e/") && /\.tsx?$/.test(rel);
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}
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/**
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* Every path matching `filter` (a `--diff-filter` value) between `base` and the
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* working tree, unfiltered.
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*
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* `--find-renames` explicitly: rename detection defaults on since Git 2.9, but a
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* repo with diff.renames=false would report a moved file as ADDED, and an added
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* file is judged whole — demanding a full migration for a plain `git mv`.
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*/
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export function changedPaths(base, filter, cwd) {
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return (
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git(["diff", "--name-only", "--find-renames", `--diff-filter=${filter}`, base], { cwd })
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.split("\n")
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.map((line) => line.trim())
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// `"".split("\n")` is `[""]`, so a no-match diff would otherwise yield one
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// empty "path". Both predicates reject it, but this function is exported and
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// its next caller should not have to know that.
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.filter(Boolean)
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);
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}
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/**
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* Candidate UI-source paths matching `filter`.
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*
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* A pure delegation to {@link changedPaths} + {@link isCandidate}: the i18n
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* ratchet's file selection is byte-for-byte what it was before the sleep ratchet
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* needed the same git invocation with a different predicate. Kept as its own
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* export rather than inlined at the call site so that stays true by
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* construction.
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*/
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export function changedFiles(base, filter, cwd) {
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return changedPaths(base, filter, cwd).filter(isCandidate);
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}
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/**
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* The zero-context diff that added-line attribution is parsed from.
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*
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* Scoped to apps/web rather than to the individual files, because narrowing the
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* pathspec to only the NEW path of a rename hides the matching deletion and git
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* then reports the whole file as added — which would demand a full migration for
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* a pure `git mv`. Keeping both sides in scope lets rename detection pair them,
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* so a pure rename yields no hunks and reports nothing.
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*/
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export function webDiff(base, cwd) {
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return git(["diff", "--unified=0", "--find-renames", base, "--", WEB_PREFIX], { cwd });
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}
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