From 2f6b0b142a1512829a1089627e103cc57c614856 Mon Sep 17 00:00:00 2001 From: syuilo Date: Sat, 8 Feb 2020 23:52:40 +0900 Subject: nanka iroiro --- src/client/scripts/focus.ts | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 src/client/scripts/focus.ts (limited to 'src/client/scripts') diff --git a/src/client/scripts/focus.ts b/src/client/scripts/focus.ts new file mode 100644 index 0000000000..a2a8516d36 --- /dev/null +++ b/src/client/scripts/focus.ts @@ -0,0 +1,23 @@ +export function focusPrev(el: Element | null, self = false) { + if (el == null) return; + if (!self) el = el.previousElementSibling; + if (el) { + if (el.hasAttribute('tabindex')) { + (el as HTMLElement).focus(); + } else { + focusPrev(el.previousElementSibling, true); + } + } +} + +export function focusNext(el: Element | null, self = false) { + if (el == null) return; + if (!self) el = el.nextElementSibling; + if (el) { + if (el.hasAttribute('tabindex')) { + (el as HTMLElement).focus(); + } else { + focusPrev(el.nextElementSibling, true); + } + } +} -- cgit v1.2.3-freya