@struktoai/mirage-core/dist/core/lancedb/render.js

A Unified Virtual Filesystem For AI Agents

// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
import { valueText } from "../render/json.js";
const ENC = new TextEncoder();
const SKIP_KEYS = new Set(['_distance', '_rowid', '_score']);
function isJson(value) {
    if (value === null)
        return true;
    if (['string', 'boolean', 'number', 'bigint'].includes(typeof value))
        return true;
    if (Array.isArray(value))
        return value.every(isJson);
    if (typeof value === 'object' && Object.getPrototypeOf(value) === Object.prototype) {
        return Object.values(value).every(isJson);
    }
    return false;
}
/**
 * One column value as the card and the tree spell it.
 *
 * A JSON value spells as `valueText` does, so both hosts print one card
 * (`true`, `null`, `1.5`); a value JSON cannot hold, such as an Arrow
 * timestamp or bytes, falls back to `String`.
 */
export function cellText(value) {
    return isJson(value) ? valueText(value) : String(value);
}
export function renderCard(row, config) {
    const lines = [];
    const title = config.titleColumn !== null ? row[config.titleColumn] : undefined;
    if (title !== undefined && title !== null) {
        lines.push(`# ${cellText(title)}`);
        lines.push('');
    }
    for (const [key, value] of Object.entries(row)) {
        if (SKIP_KEYS.has(key))
            continue;
        if (key === config.vectorColumn || key === config.blobColumn)
            continue;
        lines.push(`${key}: ${cellText(value)}`);
    }
    if (config.blobColumn !== null && config.idColumn in row) {
        lines.push(`blob: ${cellText(row[config.idColumn])}.${config.blobExt}`);
    }
    return ENC.encode(lines.join('\n') + '\n');
}
//# sourceMappingURL=render.js.map