silverbullet/webapp/smart_quotes.ts

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This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

import { KeyBinding } from "@codemirror/view";
// TODO: Add support for selection (put quotes around or create blockquote block?)
function keyBindingForQuote(
quote: string,
left: string,
right: string
): KeyBinding {
return {
key: quote,
run: (target): boolean => {
let cursorPos = target.state.selection.main.from;
let chBefore = target.state.sliceDoc(cursorPos - 1, cursorPos);
let quote = right;
if (/\W/.exec(chBefore) && !/[!\?,\.\-=“]/.exec(chBefore)) {
quote = left;
}
target.dispatch({
changes: {
insert: quote,
from: cursorPos,
},
selection: {
anchor: cursorPos + 1,
},
});
return true;
},
};
}
export const smartQuoteKeymap: KeyBinding[] = [
keyBindingForQuote('"', "“", "”"),
keyBindingForQuote("'", "", ""),
];