54 lines
1.4 KiB
TypeScript
54 lines
1.4 KiB
TypeScript
import { KeyBinding } from "./deps.ts";
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import { syntaxTree } from "../common/deps.ts";
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const straightQuoteContexts = ["CommentBlock", "FencedCode", "InlineCode"];
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// TODO: Add support for selection (put quotes around or create blockquote block?)
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function keyBindingForQuote(
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quote: string,
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left: string,
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right: string,
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): KeyBinding {
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return {
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key: quote,
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run: (target): boolean => {
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let cursorPos = target.state.selection.main.from;
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let chBefore = target.state.sliceDoc(cursorPos - 1, cursorPos);
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// Figure out the context, if in some sort of code/comment fragment don't be smart
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let node = syntaxTree(target.state).resolveInner(cursorPos);
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while (node) {
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if (straightQuoteContexts.includes(node.type.name)) {
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return false;
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}
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if (node.parent) {
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node = node.parent;
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} else {
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break;
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}
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}
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// Ok, still here, let's use a smart quote
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let quote = right;
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if (/\W/.exec(chBefore) && !/[!\?,\.\-=“]/.exec(chBefore)) {
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quote = left;
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}
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target.dispatch({
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changes: {
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insert: quote,
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from: cursorPos,
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},
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selection: {
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anchor: cursorPos + 1,
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},
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});
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return true;
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},
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};
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}
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export const smartQuoteKeymap: KeyBinding[] = [
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keyBindingForQuote('"', "“", "”"),
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keyBindingForQuote("'", "‘", "’"),
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];
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