Function transformPrefixExpr

packages/web/src/features/search/parser.ts:234–431

(node: SyntaxNode)

    }

    const transformPrefixExpr = async (node: SyntaxNode): Promise<QueryIR> => {
        // Find which specific prefix type this is
        const prefixNode = node.firstChild;
        if (!prefixNode) {
            throw new Error("PrefixExpr has no child");
        }

        const prefixTypeId = prefixNode.type.id;

        // Extract the full text (e.g., "file:test.js") and split on the colon
        const fullText = input.substring(prefixNode.from, prefixNode.to);
        const colonIndex = fullText.indexOf(':');
        if (colonIndex === -1) {
            throw new Error(`${prefixNode.type.name} missing colon`);
        }

        // Get the value part after the colon and remove quotes if present
        const value = fullText.substring(colonIndex + 1).replace(/^"|"$/g, '');

        switch (prefixTypeId) {
            case FileExpr:
                return {
                    regexp: {
                        regexp: value,
                        case_sensitive: isCaseSensitivityEnabled,
                        file_name: true,
                        content: false
                    },
                    query: "regexp"
                };

            case RepoExpr:
                return {
                    repo: {
                        regexp: value
                    },
                    query: "repo"
                };

            case RevisionExpr:
                return {
                    branch: {
                        // Special case - "*" means search all branches. Passing in a
                        // blank string will match all branches.
                        pattern: value === '*' ? "" : value,
                        exact: false
                    },
                    query: "branch"
                };

            case ContentExpr:
                return isRegexEnabled ? {
                    regexp: {
                        regexp: value,
                        case_sensitive: isCaseSensitivityEnabled,
                        file_name: false,
                        content: true
                    },