unified-query/dist/analyzers/draft.js

Composable search input with autocompletion and a rich query-language parser for the Unified Data System

export function analyzeDraft(seg) {
    let value = undefined;
    const errors = [];
    let seenBool = false;
    for (const tok of seg.tokens) {
        if (tok.kind === 'boolean') {
            if (!seenBool) {
                value = tok.value;
                seenBool = true;
            }
            else {
                errors.push(dupBoolErr(tok));
            }
            continue;
        }
        // any non-boolean token
        errors.push(invalidTokErr(tok));
    }
    seg.errors.push(...errors);
    return {
        keyword: 'draft',
        parsed: value, // true | false | undefined
        from: seg.from,
        to: seg.to,
        raw: seg.raw,
    };
}
/* -------------------------------------------------------------------------- */
/* helpers                                                                    */
/* -------------------------------------------------------------------------- */
function dupBoolErr(tok) {
    return {
        message: `duplicate boolean flag "${tok.raw}" for @draft`,
        token: tok.raw,
        from: tok.from,
        to: tok.to,
    };
}
function invalidTokErr(tok) {
    return {
        message: `invalid token "${tok.raw}" for @draft (expects a single boolean)`,
        token: tok.raw,
        from: tok.from,
        to: tok.to,
    };
}