battlemetrics-client/dist/utils/flattenParams.js

TypeScript client library for the BattleMetrics API

export function flattenParams(obj, prefix = "") {
    const result = {};
    if (obj && typeof obj === "object" && !Array.isArray(obj)) {
        for (const [key, value] of Object.entries(obj)) {
            let newKey;
            // Handle colon syntax (e.g., "filter:game" -> "filter[game]")
            if (key.includes(":") && !prefix) {
                const [baseKey, subKey] = key.split(":", 2);
                newKey = `${baseKey}[${subKey}]`;
            }
            else {
                newKey = prefix ? `${prefix}[${key}]` : key;
            }
            if (value !== null &&
                typeof value === "object" &&
                !Array.isArray(value)) {
                Object.assign(result, flattenParams(value, newKey));
            }
            else if (value !== undefined) {
                result[newKey] = value;
            }
        }
    }
    return result;
}
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