function isTextField(field) {
    if (!field || field.isVector)
        return false;
    return /char|text|enum|set|json/i.test(String(field.dataType || ""));
}
/**
 * Map a JS value to a bound parameter + placeholder for INSERT / UPDATE.
 *
 * - `false` / `true` -> `0` / `1`
 * - number arrays (embeddings) -> `VEC_FromText(?)` with a JSON string
 * - `{ value, placeholder }` factories are called once
 * - `""` stays `""` for text columns and becomes `NULL` for everything else
 *   (e.g. the `number | ""` typedefs for numeric columns)
 */
export default function sqlValuePlaceholder({ value, field, }) {
    if (typeof value == "function") {
        const fnValue = value();
        return {
            placeholder: fnValue?.placeholder || "?",
            value: fnValue?.value ?? null,
        };
    }
    if (typeof value == "boolean") {
        return { placeholder: "?", value: value ? 1 : 0 };
    }
    if (value === undefined || value === null) {
        return { placeholder: "?", value: null };
    }
    if (value === "") {
        return { placeholder: "?", value: isTextField(field) ? "" : null };
    }
    if (Array.isArray(value) && typeof value[0] == "number") {
        return { placeholder: "VEC_FromText(?)", value: JSON.stringify(value) };
    }
    return { placeholder: "?", value };
}