Files
better-auth/.github/scripts/pr-analyzer.ts
2026-04-04 15:49:46 +00:00

246 lines
6.7 KiB
TypeScript

/**
* PR Analyzer — classification module for mapping conventional commit
* scopes and file paths to c-* domain labels.
*
* Pure functions, no side effects, no network calls.
*/
const SCOPE_TO_DOMAIN: Record<string, string> = {
// c-core
core: "c-core",
api: "c-core",
client: "c-core",
cookies: "c-core",
crypto: "c-core",
account: "c-core",
session: "c-core",
instrumentation: "c-core",
"last-login-method": "c-core",
"redis-storage": "c-core",
// c-database
db: "c-database",
adapters: "c-database",
"drizzle-adapter": "c-database",
"prisma-adapter": "c-database",
"kysely-adapter": "c-database",
"mongo-adapter": "c-database",
"memory-adapter": "c-database",
// c-oauth
"oauth-proxy": "c-oauth",
"one-tap": "c-oauth",
"generic-oauth": "c-oauth",
"social-provider": "c-oauth",
// c-credentials
"magic-link": "c-credentials",
"email-otp": "c-credentials",
"phone-number": "c-credentials",
phone: "c-credentials",
username: "c-credentials",
anonymous: "c-credentials",
siwe: "c-credentials",
passkey: "c-credentials",
// c-identity
"oauth-provider": "c-identity",
"oidc-provider": "c-identity",
mcp: "c-identity",
"device-authorization": "c-identity",
// c-organization
organization: "c-organization",
admin: "c-organization",
access: "c-organization",
// c-security
"two-factor": "c-security",
"2fa": "c-security",
captcha: "c-security",
haveibeenpwned: "c-security",
"rate-limiter": "c-security",
// c-enterprise
sso: "c-enterprise",
scim: "c-enterprise",
// c-payments
stripe: "c-payments",
"api-key": "c-payments",
// c-platform
expo: "c-platform",
electron: "c-platform",
// c-devtools
cli: "c-devtools",
telemetry: "c-devtools",
i18n: "c-devtools",
"test-utils": "c-devtools",
"open-api": "c-devtools",
// c-devops
build: "c-devops",
ci: "c-devops",
deps: "c-devops",
"deps-dev": "c-devops",
knip: "c-devops",
// c-docs
docs: "c-docs",
blog: "c-docs",
landing: "c-docs",
};
const PATH_TO_DOMAIN: [string, string][] = [
["packages/oauth-provider/", "c-identity"],
["packages/better-auth/src/plugins/oidc-provider/", "c-identity"],
["packages/better-auth/src/plugins/mcp/", "c-identity"],
["packages/better-auth/src/plugins/device-authorization/", "c-identity"],
["packages/better-auth/src/plugins/magic-link/", "c-credentials"],
["packages/better-auth/src/plugins/email-otp/", "c-credentials"],
["packages/better-auth/src/plugins/phone-number/", "c-credentials"],
["packages/better-auth/src/plugins/username/", "c-credentials"],
["packages/better-auth/src/plugins/anonymous/", "c-credentials"],
["packages/better-auth/src/plugins/siwe/", "c-credentials"],
["packages/passkey/", "c-credentials"],
["packages/better-auth/src/plugins/two-factor/", "c-security"],
["packages/better-auth/src/api/rate-limiter/", "c-security"],
["packages/better-auth/src/plugins/captcha/", "c-security"],
["packages/better-auth/src/plugins/haveibeenpwned/", "c-security"],
["packages/better-auth/src/plugins/organization/", "c-organization"],
["packages/better-auth/src/plugins/admin/", "c-organization"],
["packages/better-auth/src/plugins/access/", "c-organization"],
["packages/better-auth/src/plugins/generic-oauth/", "c-oauth"],
["packages/better-auth/src/plugins/oauth-proxy/", "c-oauth"],
["packages/better-auth/src/plugins/one-tap/", "c-oauth"],
["packages/better-auth/src/oauth2/", "c-oauth"],
["packages/core/src/social-providers/", "c-oauth"],
["packages/core/src/oauth2/", "c-oauth"],
["packages/sso/", "c-enterprise"],
["packages/scim/", "c-enterprise"],
["packages/stripe/", "c-payments"],
["packages/api-key/", "c-payments"],
["packages/better-auth/src/db/", "c-database"],
["packages/better-auth/src/adapters/", "c-database"],
["packages/drizzle-adapter/", "c-database"],
["packages/prisma-adapter/", "c-database"],
["packages/mongo-adapter/", "c-database"],
["packages/kysely-adapter/", "c-database"],
["packages/memory-adapter/", "c-database"],
["packages/expo/", "c-platform"],
["packages/electron/", "c-platform"],
["packages/better-auth/src/integrations/", "c-platform"],
["packages/cli/", "c-devtools"],
["packages/better-auth/src/plugins/open-api/", "c-devtools"],
["packages/telemetry/", "c-devtools"],
["packages/i18n/", "c-devtools"],
["packages/test-utils/", "c-devtools"],
["packages/better-auth/src/plugins/jwt/", "c-core"],
["packages/better-auth/src/plugins/bearer/", "c-core"],
["packages/better-auth/src/plugins/multi-session/", "c-core"],
["packages/better-auth/src/plugins/custom-session/", "c-core"],
["packages/redis-storage/", "c-core"],
["packages/better-auth/", "c-core"],
["packages/core/", "c-core"],
["docs/", "c-docs"],
["demo/", "c-docs"],
[".github/", "c-devops"],
["e2e/", "c-devops"],
];
export interface ConventionalCommit {
type: string;
scope: string;
subject: string;
breaking: boolean;
}
export function parseConventionalCommit(title: string): ConventionalCommit {
const typeMatch = title.match(/^([a-z]+)/);
const type = typeMatch?.[1] ?? "";
const scopeMatch = title.match(/^[a-z]+\(([^)]+)\)/);
const scope = scopeMatch?.[1] ?? "";
const breaking = /^[a-z]+(\([^)]+\))?!:/.test(title);
const subject = title.replace(/^[a-z]+(\([^)]+\))?!?:\s*/, "");
return { type, scope, subject, breaking };
}
export function scopeToDomain(scope: string): string | undefined {
return SCOPE_TO_DOMAIN[scope];
}
export function classifyDomain(filePath: string): string | undefined {
for (const [prefix, domain] of PATH_TO_DOMAIN) {
if (filePath.startsWith(prefix)) return domain;
}
return undefined;
}
export function resolveDomain(
scope: string | undefined,
changedFiles: string[],
): string {
if (scope) {
const domain = scopeToDomain(scope);
if (domain) return domain;
}
const counts: Record<string, number> = {};
for (const file of changedFiles) {
const domain = classifyDomain(file);
if (domain) {
counts[domain] = (counts[domain] ?? 0) + 1;
}
}
const domains = Object.keys(counts);
if (domains.length === 0) return "c-devops";
if (domains.length >= 3) return "c-core";
return domains.sort((a, b) => (counts[b] ?? 0) - (counts[a] ?? 0))[0]!;
}
export function mapTypeToBump(
type: string,
breaking: boolean,
): "patch" | "minor" | "major" | "skip" {
if (breaking) return "major";
switch (type) {
case "fix":
case "perf":
case "refactor":
return "patch";
case "feat":
return "minor";
case "chore":
case "docs":
case "ci":
case "test":
case "style":
case "build":
return "skip";
default:
return "patch";
}
}
export const DOMAIN_LABELS = [
"c-core",
"c-database",
"c-oauth",
"c-credentials",
"c-identity",
"c-organization",
"c-security",
"c-enterprise",
"c-payments",
"c-platform",
"c-devtools",
"c-docs",
"c-devops",
] as const;
export type DomainLabel = (typeof DOMAIN_LABELS)[number];