@1771technologies/lytenyte-pro/dist/expressions/lexer/tokenize/scan-template-literal.js

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import { ExpressionError } from "../../errors/index.js";
import { scanStringLiteral } from "./scan-string-literal.js";
export function scanTemplateLiteral(source, start) {
    let raw = "`";
    let i = start + 1;
    while (i < source.length && source[i] !== "`") {
        if (source[i] === "\\" && i + 1 < source.length) {
            raw += source[i] + source[i + 1];
            i += 2;
            continue;
        }
        if (source[i] === "$" && i + 1 < source.length && source[i + 1] === "{") {
            raw += "${";
            i += 2;
            let depth = 1;
            while (i < source.length && depth > 0) {
                const c = source[i];
                if (c === '"' || c === "'") {
                    const result = scanStringLiteral(source, i);
                    raw += result.raw;
                    i = result.end;
                    continue;
                }
                if (c === "`") {
                    const result = scanTemplateLiteral(source, i);
                    raw += result.raw;
                    i = result.end;
                    continue;
                }
                if (c === "{")
                    depth++;
                else if (c === "}")
                    depth--;
                if (depth > 0)
                    raw += c;
                i++;
            }
            raw += "}";
        }
        else {
            raw += source[i];
            i++;
        }
    }
    if (i >= source.length) {
        throw new ExpressionError("Unterminated template literal", { source, start, end: i });
    }
    raw += "`";
    i++;
    return { raw, end: i };
}