Good idea bug infinite recursion bug. Fixed:
function re(first, ...args) {
let flags = first;
function tag(template, ...subs) {
const parts = [];
const numSubs = subs.length;
for (let i = 0; i < numSubs; i++) {
parts.push(template.raw[i]);
parts.push(subs[i].replace(/[\/\\^$*+?.()|[\]{}]/g, '\\$&'));
}
parts.push(template.raw[numSubs]);
return RegExp(parts.join(''), flags);
}
if (typeof first === 'string') {
return tag;
} else {
flags = void 0; // Should this be '' ?
return tag(first, ...args);
}
}
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