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`templates.ts`

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24cf2caClaude	1	/**
	2	* Issue + PR template loader. Looks for the standard locations and
	3	* returns the first match. Fails silently (returns null) so new-issue /
	4	* new-PR forms always render — templates are a convenience, not a
	5	* requirement.
	6	*/
	7
	8	import { getBlob, getDefaultBranch } from "../git/repository";
	9
	10	const ISSUE_PATHS = [
	11	".github/ISSUE_TEMPLATE.md",
	12	".github/issue_template.md",
	13	".gluecron/ISSUE_TEMPLATE.md",
	14	"ISSUE_TEMPLATE.md",
	15	"docs/ISSUE_TEMPLATE.md",
	16	];
	17
	18	const PR_PATHS = [
	19	".github/PULL_REQUEST_TEMPLATE.md",
	20	".github/pull_request_template.md",
	21	".gluecron/PULL_REQUEST_TEMPLATE.md",
	22	"PULL_REQUEST_TEMPLATE.md",
	23	"docs/PULL_REQUEST_TEMPLATE.md",
	24	];
	25
	26	const MAX_TEMPLATE_BYTES = 16 * 1024;
	27
	28	async function loadFirst(
	29	owner: string,
	30	repo: string,
	31	ref: string,
	32	paths: string[]
	33	): Promise<string \| null> {
	34	for (const p of paths) {
	35	try {
	36	const blob = await getBlob(owner, repo, ref, p);
	37	if (blob && !blob.isBinary && blob.content) {
	38	// Guard against someone committing a 5MB template.
	39	if (blob.content.length > MAX_TEMPLATE_BYTES) {
	40	return blob.content.slice(0, MAX_TEMPLATE_BYTES);
	41	}
	42	return stripFrontmatter(blob.content);
	43	}
	44	} catch {
	45	// keep looking
	46	}
	47	}
	48	return null;
	49	}
	50
	51	/**
	52	* GitHub-style templates can have YAML frontmatter (---\nname: ...\n---).
	53	* Strip it — we don't use the name/about fields here.
	54	*/
	55	function stripFrontmatter(content: string): string {
	56	if (!content.startsWith("---\n")) return content;
	57	const end = content.indexOf("\n---", 4);
	58	if (end < 0) return content;
	59	return content.slice(end + 4).replace(/^\n+/, "");
	60	}
	61
	62	export async function loadIssueTemplate(
	63	owner: string,
	64	repo: string
	65	): Promise<string \| null> {
	66	try {
	67	const ref = (await getDefaultBranch(owner, repo)) \|\| "HEAD";
	68	return await loadFirst(owner, repo, ref, ISSUE_PATHS);
	69	} catch {
	70	return null;
	71	}
	72	}
	73
	74	export async function loadPrTemplate(
	75	owner: string,
	76	repo: string
	77	): Promise<string \| null> {
	78	try {
	79	const ref = (await getDefaultBranch(owner, repo)) \|\| "HEAD";
	80	return await loadFirst(owner, repo, ref, PR_PATHS);
	81	} catch {
	82	return null;
	83	}
	84	}
	85
	86	export { stripFrontmatter as _stripFrontmatterForTest };