Files
dashcaddy/dashcaddy-api/src/utilities/pagination.js
T
Hermes 7bc2a207f3 DC-005: Fix all 138 broken test paths after src/ refactor
After the DC-005 module reorganization (41 files moved into src/ subdirs),
138 test suites failed because the refactor script's path-rewrite logic
missed three categories:

1. Files inside src/ doing 'require("./src/...")' — should be 'require("../...")'
2. Files in src/X/Y/ doing 'require("../../../src/...")' — should be 'require("../../...")'
3. Test files in __tests__/ with leftover 'require("../../../src/...")' paths

Root cause: the original refactor script ran before all files were moved,
so it computed relative paths against stale filesystem state.

Result:
- 30/30 test suites pass
- 879/879 tests pass (was: 18/30 suites, 614/687 tests)

Also fixed:
- routes/apps/restore.js: wrong responses import path
- routes/*/*.js: '../../src/utilities/X' → '../src/utilities/X' (depth 2 routes)
2026-06-13 12:16:56 -07:00

54 lines
1.5 KiB
JavaScript

/**
* Pagination helper for list endpoints.
* Only paginates when ?page= or ?limit= query params are present (backward compat).
*
* Usage:
* const { paginate, parsePaginationParams } = require('./pagination');
* router.get('/items', asyncHandler(async (req, res) => {
* const items = await getAllItems();
* const params = parsePaginationParams(req.query);
* res.json({ success: true, ...paginate(items, params) });
* }));
*/
const DEFAULT_LIMIT = 50;
const MAX_LIMIT = 200;
/**
* Parse pagination params from query string.
* Returns null if no pagination requested (backward compat: return full list).
*/
function parsePaginationParams(query) {
if (!query.page && !query.limit) return null;
const page = Math.max(1, parseInt(query.page, 10) || 1);
const limit = Math.min(MAX_LIMIT, Math.max(1, parseInt(query.limit, 10) || DEFAULT_LIMIT));
return { page, limit };
}
/**
* Paginate an array of items.
* If params is null, returns { data: items } (no pagination metadata).
*/
function paginate(items, params) {
if (!params) return { data: items };
const { page, limit } = params;
const total = items.length;
const totalPages = Math.ceil(total / limit);
const start = (page - 1) * limit;
const data = items.slice(start, start + limit);
return {
data,
pagination: {
page,
limit,
total,
totalPages,
hasMore: page < totalPages,
},
};
}
module.exports = { paginate, parsePaginationParams, DEFAULT_LIMIT, MAX_LIMIT };