How I made Japanese search work by intercepting Pagefind's Enter key in the capture phase
Pagefind navigated away while an IME conversion was open. isComposing is necessary but not sufficient: WebKit fires compositionend before the keydown.
Pagefind
Pagefind's stemming warning was a red herring — Japanese search broke on segmentation
Pagefind warned about missing stemming for Japanese and Chinese on every build. The real defect was a query and index tokenizer mismatch returning wrong pages.