#!/bin/bash
# Seeds the empty run workspace with a small volunteer-rota app (Node, node --test).
# Self-contained on purpose: the run cannot read the eval directory, and the
# fixture is written inline, with no path outside the workspace and no git.
set -eu
mkdir -p src tests
cat > package.json <<'J'
{ "name": "rota", "version": "0.3.0", "type": "module", "private": true,
  "scripts": { "test": "node --test" } }
J
cat > src/duration.mjs <<'J'
// Parses a shift length such as "90m" or "45s" into minutes.
export function parseDuration(text) {
  const m = /^(\d+)([a-z]*)$/.exec(String(text).trim());
  if (!m) throw new Error(`bad duration: ${text}`);
  const n = Number(m[1]);
  if (m[2] === 'm') return n;
  if (m[2] === 's') return n / 60;
  return n; // a bare number is minutes
}
J
cat > src/rota.mjs <<'J'
import { parseDuration } from './duration.mjs';
// Total minutes a volunteer is booked for, from shift strings.
export function bookedMinutes(shifts) {
  return shifts.reduce((sum, s) => sum + parseDuration(s), 0);
}
J
cat > tests/duration.test.mjs <<'J'
import { test } from 'node:test';
import assert from 'node:assert/strict';
import { parseDuration } from '../src/duration.mjs';
test('minutes', () => assert.equal(parseDuration('90m'), 90));
test('seconds', () => assert.equal(parseDuration('30s'), 0.5));
test('bare number is minutes', () => assert.equal(parseDuration('15'), 15));
J
cat > tests/rota.test.mjs <<'J'
import { test } from 'node:test';
import assert from 'node:assert/strict';
import { bookedMinutes } from '../src/rota.mjs';
test('sums shifts', () => assert.equal(bookedMinutes(['90m', '30m', '15']), 135));
J