63 lines
1.6 KiB
TypeScript
63 lines
1.6 KiB
TypeScript
import { KeyBinding, syntaxTree } from "../deps.ts";
|
||
|
||
const straightQuoteContexts = [
|
||
"CommentBlock",
|
||
"FencedCode",
|
||
"InlineCode",
|
||
"FrontMatterCode",
|
||
"DirectiveStart",
|
||
];
|
||
|
||
// TODO: Add support for selection (put quotes around or create blockquote block?)
|
||
function keyBindingForQuote(
|
||
quote: string,
|
||
left: string,
|
||
right: string,
|
||
): KeyBinding {
|
||
return {
|
||
any: (target, event): boolean => {
|
||
// Moving this check here rather than using the regular "key" property because
|
||
// for some reason the "ä" key is not recognized as a quote key by CodeMirror.
|
||
if (event.key !== quote) {
|
||
return false;
|
||
}
|
||
const cursorPos = target.state.selection.main.from;
|
||
const chBefore = target.state.sliceDoc(cursorPos - 1, cursorPos);
|
||
|
||
// Figure out the context, if in some sort of code/comment fragment don't be smart
|
||
let node = syntaxTree(target.state).resolveInner(cursorPos);
|
||
while (node) {
|
||
if (straightQuoteContexts.includes(node.type.name)) {
|
||
return false;
|
||
}
|
||
if (node.parent) {
|
||
node = node.parent;
|
||
} else {
|
||
break;
|
||
}
|
||
}
|
||
|
||
// Ok, still here, let's use a smart quote
|
||
let q = right;
|
||
if (/\W/.exec(chBefore) && !/[!\?,\.\-=“]/.exec(chBefore)) {
|
||
q = left;
|
||
}
|
||
target.dispatch({
|
||
changes: {
|
||
insert: q,
|
||
from: cursorPos,
|
||
},
|
||
selection: {
|
||
anchor: cursorPos + 1,
|
||
},
|
||
});
|
||
return true;
|
||
},
|
||
};
|
||
}
|
||
|
||
export const smartQuoteKeymap: KeyBinding[] = [
|
||
keyBindingForQuote('"', "“", "”"),
|
||
keyBindingForQuote("'", "‘", "’"),
|
||
];
|