fix: header row spans work now - #6485

#!/bin/bash
# Description: Compare the first group header and footer labels in every header-groups example source.
set -euo pipefail

fd -t f -e ts -e tsx -e svelte -e gts -e html . examples --full-path 'header-groups' \
  | rg -v '/tests/' | while IFS= read -r file; do
      if rg -q "Hello|'Name'|\"Name\"|More Info" "$file"; then
        echo "=== $file ==="
        rg -n -C 3 "header:|footer:|Hello|More Info" "$file"
      fi
    done

#!/bin/bash
set -euo pipefail

echo "=== header-groups example source first groups ==="
for base in examples/octane examples/preact examples/react examples/lit examples/solid examples/svelte; do
  echo "--- $base/header-groups/src"
  file="$(find "$base/header-groups/src" -maxdepth 1 -type f | sort | head -n 5 | tr '\n' ' ')"
  rg -n -C 4 "group\\({|header:|footer:|defaultColumns|Hello|Name|Info|More Info" "$base/header-groups/src" || true
done

echo
echo "=== header-groups E2E expectations around first group/footer ==="
for f in examples/octane/header-groups/tests/e2e/smoke.spec.ts examples/preact/header-groups/tests/e2e/smoke.spec.ts examples/react/header-groups/tests/e2e/smoke.spec.ts; do
  echo "--- $f"
  sed -n '220,300p' "$f"
done

for f in examples/lit/header-groups/tests/e2e/smoke.spec.ts examples/solid/header-groups/tests/e2e/smoke.spec.ts examples/svelte/header-groups/tests/e2e/smoke.spec.ts; do
  echo "--- $f"
  sed -n '235,300p' "$f"
done

echo
echo "=== all header-groups example files containing placeholder tables ==="
rg -n "columns = columnHelper.columns|const columns|defaultColumns|Hello|footer:\\s*\\(" examples/octane/header-groups/src examples/preact/header-groups/src examples/react/header-groups/src examples/lit/header-groups/src examples/solid/header-groups/src examples/svelte/header-groups/src

#!/bin/bash
# Find every site that renders a header rowSpan, then inspect for a `rowSpan === 0` guard.
set -uo pipefail

echo "=== JSX/HTML rowspan attribute bindings ==="
rg -nP -C5 '\browSpan\s*=\s*\{|rowspan\s*=\s*("\$\{|\{\{)' \
  -g '!**/node_modules/**' -g '!**/dist/**' || true

echo "=== All reads of .rowSpan ==="
rg -nP -C3 '\.rowSpan\b' \
  -g '!**/node_modules/**' -g '!**/dist/**' || true

#!/bin/bash
set -uo pipefail

echo "=== Candidate files containing rowSpan attribute/type usage ==="
rg -n -C3 '\browSpan\b|rowspan\b|headerSpan|header\.rowSpan' \
  -g '!**/node_modules/**' -g '!**/dist/**' -g '!**/.vite/**' -g '!**/coverage/**' . || true

echo "=== Files likely related to header rendering in core/tests/packages ==="
git ls-files | rg '(^docs/|^examples/|^packages/.*core/.*header|^packages/.*core/.*thead|^packages/.*react/.*thead|^packages/.*vue/.*thead|^packages/.*svelte/.*thead|^packages/.*solid/.*thead|^packages/.*preact/.*thead)' || true

#!/bin/bash
set -uo pipefail

echo "=== focused head/header matches in tracked TS/TSX/JS/JSX/MDX ==="
python3 - <<'PY'
import subprocess
out=subprocess.check_output(['git','ls-files'],encoding='utf8')
files=out.splitlines()
patterns=['*.*tsx','*.*ts','*.*js','*.*jsx','*.mdx']
def globmatch(path):
    import fnmatch
    return any(fnmatch.fnmatch(path.lower(), pat.lower()) for pat in patterns)
matches=[]
for path in files:
    if not globmatch(path):
        continue
    try:
        text=open(path,encoding='utf8',errors='ignore').read()
    except Exception:
        continue
    if 'rowSpan' in text or 'rowspan' in text or 'columnGroupHeaderFn' in text or 'headerGroups' in text or 'thead' in text or 'TableHead' in text or 'Header' in text:
        matches.append(path)
print('\n'.join(matches))
PY

echo "=== focused rowSpan and attribute-string cases ==="
rg -n -C2 'rowSpan\s*=\s*\{|rowspan\s*=\s*("\$\{|\{\{)|rowspan="0"|rowSpan={0}|\.rowSpan\b' \
  -g '*.tsx' -g '*.ts' -g '*.jsx' -g '*.js' -g '*.mdx' \
  -g '!**/node_modules/**' -g '!**/dist/**' . || true

#!/bin/bash
set -eo pipefail

echo "=== files containing literal rowspan="0" or rowSpan={0}") ==="
python3 - <<'PY' \
  -g '*.ts' -g '*.tsx' -g '*.js' -g '*.jsx' -g '*.gts' -g '*.gjs' -iglob '*.gts' -iglob '*.gjs' -iglob '*.svelte' .
import subprocess, re
text=subprocess.check_output(['git','grep','-E','rowSpan=\{0\}|rowspan="0"|rowspan=\'0\''], encoding='utf8')
print(text if text else "NO MATCHES")
PY

echo "=== actual rowSpan attribute render lines in tracked examples/packages docs with attribute context ==="
python3 - <<'PY'
import subprocess, pathlib, fnmatch
files = subprocess.check_output(['git','ls-files'], text=True).splitlines()
pats = ['*.ts','*.tsx','*.js','*.jsx','*.gts','*.gjs','*.svelte','*.mdx','*.html','*.vue','*.astro']
needles = ['rowSpan=', 'rowspan=', 'header.rowSpan', 'rowSpan']
for p in files:
    if not any(fnmatch.fnmatchcase(p.lower(), pp.lower()) for pp in pats):
        continue
    txt = pathlib.Path(p).read_text(errors='ignore')
    if not any(n in txt for n in needles):
        continue
    for i,line in enumerate(txt.splitlines(),1):
        if 'rowSpan=' in line or 'rowspan=' in line:
            print(f"{p}:{i}: {line.strip()}")
PY

#!/bin/bash
set -eo pipefail

echo "=== files containing literal rowspan="0" or rowSpan={0}") ==="
python3 - <<'PY'
import subprocess
try:
    text=subprocess.check_output(['git','grep','-E','rowSpan=\{0\}|rowspan="0"|rowspan='\''0'\''''], encoding='utf8')
    print(text if text else "NO MATCHES")
except subprocess.CalledProcessError as e:
    print(f"NO_MATCHES_EXIT_CODE={e.returncode}")
PY

echo "=== actual rowSpan attribute render lines in tracked examples/packages/docs with attribute context ==="
python3 - <<'PY'
import subprocess, pathlib, fnmatch
files = subprocess.check_output(['git','ls-files'], text=True).splitlines()
pats = ['*.ts','*.tsx','*.js','*.jsx','*.gts','*.gjs','*.svelte','*.mdx','*.html','*.vue','*.astro']
for p in files:
    if not any(fnmatch.fnmatchcase(p.lower(), pp.lower()) for pp in pats):
        continue
    txt = pathlib.Path(p).read_text(errors='ignore')
    if 'rowSpan=' not in txt and 'rowspan=' not in txt:
        continue
    for i,line in enumerate(txt.splitlines(),1):
        if 'rowSpan=' in line or 'rowspan=' in line:
            print(f"{p}:{i}: {line.strip()}")
PY

#!/bin/bash
set -eo pipefail

tmp="$(mktemp -d)"
trap 'rm -rf "$tmp"' EXIT

echo "=== write search script ==="
cat > "$tmp/search_rowspan.py" <<'PY'
import subprocess, pathlib, fnmatch
files = subprocess.check_output(['git', 'ls-files'], text=True).splitlines()
pats = ['*.ts','*.tsx','*.js','*.jsx','*.gts','*.gjs','*.svelte','*.mdx','*.html','*.vue','*.astro']
attrs = set()
literal_zero = []
for p in files:
    if not any(fnmatch.fnmatchcase(p.lower(), pp.lower()) for pp in pats):
        continue
    txt = pathlib.Path(p).read_text(errors='ignore')
    if 'rowSpan=' not in txt and 'rowspan=' not in txt:
        continue
    attrs.add(p)
    for line in txt.splitlines():
        if 'rowSpan=' in line or 'rowspan=' in line:
            if 'rowSpan={0}' in line or 'rowspan="0"' in line or "rowspan='0'" in line:
                literal_zero.append((p, line.strip()))
            print(f"{p}: {line.strip()[:400]}")
print("ATTRIBUTE_FILES=", len(attrs))
print("LITERAL_ZERO_COUNT=", len(literal_zero))
for p,line in literal_zero:
    print("LITERAL_ZERO:", p, line)
PY

python3 "$tmp/search_rowspan.py"