fix(trigger): avoid flushSync for synchronous-call dedup - #622

#!/bin/bash
set -eu
file=$(git ls-files | rg '(^|/)tests/concurrent-render\.test\.tsx$' | head -n1)
printf 'FILE=%s\n' "$file"
wc -l "$file"
ast-grep outline "$file" | sed -n '1,160p'
printf '\n--- target section ---\n'
sed -n '80,215p' "$file"
printf '\n--- related symbols ---\n'
rg -n -C 3 'Boundary|Trigger|onOpenChange|startTransition|Suspense|target-fallback|internalTriggerOpen' "$file"

#!/bin/bash
set -eu

printf '%s\n' '--- test setup and complete test ---'
sed -n '1,215p' tests/concurrent-render.test.tsx

printf '%s\n' '--- Trigger implementation symbols ---'
ast-grep outline src | sed -n '1,220p'
rg -n -C 5 'onOpenChange|action|hideAction|rawOpen|openRef|useEffect|cloneElement|onFocus|onBlur' src tests --glob '*.{ts,tsx}' | sed -n '1,260p'

printf '%s\n' '--- package/runtime metadata ---'
rg -n '"(react|react-dom|`@testing-library/react`|jest|typescript)"|react-dom|testing-library' package.json yarn.lock package-lock.json pnpm-lock.yaml 2>/dev/null | sed -n '1,180p'

#!/bin/bash
set -eu

printf '%s\n' '--- src/index.tsx structure and event wiring ---'
wc -l src/index.tsx
ast-grep outline src/index.tsx | sed -n '1,220p'
rg -n -C 8 'lastDispatchedOpenRef|internalTriggerOpen|cloneElement|onFocus|onBlur|showAction|hideAction|popupVisible|useEffect|useLayoutEffect' src/index.tsx | sed -n '1,320p'

printf '%s\n' '--- relevant implementation ranges ---'
sed -n '1,260p' src/index.tsx
sed -n '260,560p' src/index.tsx

printf '%s\n' '--- other concurrent-render tests ---'
rg -n -C 8 'startTransition|Suspense|ErrorBoundary|componentDidCatch|throw new Error|onOpenChange' tests --glob '*.{ts,tsx}' | sed -n '1,300p'

#!/bin/bash
set -eu

python3 - <<'PY'
from pathlib import Path
import re

path = Path("tests/concurrent-render.test.tsx")
lines = path.read_text().splitlines()

def line_no(fragment):
    for i, line in enumerate(lines, 1):
        if fragment in line:
            return i
    return None

fallback_return = line_no("return <span className=\"target-fallback\"")
trigger_start = line_no("<Trigger")
trigger_end = line_no("</Trigger>")
fallback_focus = line_no("fireEvent.focus(fallback)")
fallback_blur = line_no("fireEvent.blur(fallback)")
rerenders = [
    (i, line.strip())
    for i, line in enumerate(lines, 1)
    if "rerender(<Harness" in line
]
final_loop = line_no("for (const call of onOpenChange.mock.calls)")

assert fallback_return and trigger_start and trigger_end
assert trigger_start < fallback_return or fallback_return > trigger_end
assert fallback_focus and fallback_blur
assert len(rerenders) >= 2
assert final_loop

body = "\n".join(lines[final_loop - 1:])
assert "toHaveBeenCalledTimes" not in body
assert "toHaveBeenCalledWith(true)" not in body

print(f"fallback={fallback_return}")
print(f"trigger_range={trigger_start}-{trigger_end}")
print(f"fallback_events=focus:{fallback_focus}, blur:{fallback_blur}")
print("rerenders:")
for item in rerenders:
    print(f"  {item[0]}: {item[1]}")
print(f"final_assertion_loop={final_loop}")
print("cardinality_assertion_after_loop=False")
print("true_callback_assertion_after_loop=False")
PY

#!/bin/bash
set -eu

python3 - <<'PY'
from pathlib import Path

lines = Path("tests/concurrent-render.test.tsx").read_text().splitlines()

def find(fragment, start=1):
    for i in range(start - 1, len(lines)):
        if fragment in lines[i]:
            return i + 1
    raise AssertionError(f"missing: {fragment}")

boundary_render = find("render() {", 94)
fallback_return = find('return <span className="target-fallback"', boundary_render)
boundary_children = find("return this.props.children;", boundary_render)
trigger_start = find("<Trigger", 110)
trigger_end = find("</Trigger>", trigger_start)
fallback_focus = find("fireEvent.focus(fallback)")
fallback_blurs = [
    i + 1 for i, line in enumerate(lines) if "fireEvent.blur(fallback)" in line
]
rerenders = [
    (i + 1, line.strip())
    for i, line in enumerate(lines)
    if "rerender(<Harness" in line
]
final_loop = find("for (const call of onOpenChange.mock.calls)")

assert fallback_return < boundary_children
assert trigger_start < trigger_end
assert not (trigger_start <= fallback_return <= trigger_end)
assert fallback_focus
assert fallback_blurs
assert len(rerenders) == 3

tail = "\n".join(lines[final_loop - 1:])
assert "toHaveBeenCalledTimes" not in tail
assert "toHaveBeenCalledWith(true)" not in tail

print(f"Boundary.render fallback: line {fallback_return}")
print(f"Boundary.render children branch: line {boundary_children}")
print(f"Trigger JSX range: lines {trigger_start}-{trigger_end}")
print(f"fallback focus event: line {fallback_focus}")
print(f"fallback blur events: lines {fallback_blurs}")
print("rerenders:")
for line_no, text in rerenders:
    print(f"  line {line_no}: {text}")
print(f"final assertion loop: line {final_loop}")
print("post-loop callback cardinality assertion: absent")
print("post-loop onOpenChange(true) assertion: absent")
PY

#!/bin/bash
set -eu

python3 - <<'PY'
from pathlib import Path

lines = Path("tests/concurrent-render.test.tsx").read_text().splitlines()

def find(fragment, start=1):
    for i in range(start - 1, len(lines)):
        if fragment in lines[i]:
            return i + 1
    raise AssertionError(f"missing: {fragment}")

boundary_render = find("render() {", 94)
fallback_return = find('return <span className="target-fallback"', boundary_render)
boundary_children = find("return this.props.children;", boundary_render)
trigger_start = find("<Trigger", 110)
trigger_end = find("</Trigger>", trigger_start)
fallback_focus = find("fireEvent.focus(fallback)")
fallback_blurs = [
    i + 1 for i, line in enumerate(lines) if "fireEvent.blur(fallback)" in line
]
rerenders = [
    (i + 1, line.strip())
    for i, line in enumerate(lines)
    if "rerender(<Harness" in line
]
final_loop = find("for (const call of onOpenChange.mock.calls)")

assert fallback_return < boundary_children
assert trigger_start < trigger_end
assert not (trigger_start <= fallback_return <= trigger_end)
assert fallback_focus
assert fallback_blurs
assert len(rerenders) == 2

tail = "\n".join(lines[final_loop - 1:])
assert "toHaveBeenCalledTimes" not in tail
assert "toHaveBeenCalledWith(true)" not in tail

print(f"Boundary.render fallback: line {fallback_return}")
print(f"Boundary.render children branch: line {boundary_children}")
print(f"Trigger JSX range: lines {trigger_start}-{trigger_end}")
print(f"fallback focus event: line {fallback_focus}")
print(f"fallback blur events: lines {fallback_blurs}")
print("rerenders:")
for line_no, text in rerenders:
    print(f"  line {line_no}: {text}")
print(f"final assertion loop: line {final_loop}")
print("post-loop callback cardinality assertion: absent")
print("post-loop onOpenChange(true) assertion: absent")
PY