@graphql-tools/utils/esm/inspect.js

Common package containing utils and types for GraphQL tools

const MAX_RECURSIVE_DEPTH = 3;
function getNodeInspect() {
    const getBuiltinModule = globalThis.process?.getBuiltinModule;
    if (typeof getBuiltinModule !== 'function') {
        return undefined;
    }
    try {
        const util = getBuiltinModule('util');
        if (typeof util?.inspect !== 'function') {
            return undefined;
        }
        return (value) => util
            .inspect(value, {
            depth: MAX_RECURSIVE_DEPTH,
            colors: false,
            compact: true,
            breakLength: Infinity,
        })
            // GraphQL 17 coerced maps are null-prototype; keep messages stable.
            .replaceAll('[Object: null prototype] ', '');
    }
    catch {
        return undefined;
    }
}
const nodeInspect = getNodeInspect();
/**
 * Print a value for error messages.
 * Prefers Node's `util.inspect` via `process.getBuiltinModule`; otherwise a
 * small `JSON.stringify` / `String` fallback (non-Node runtimes).
 */
export function inspect(value, toJSONDepth = MAX_RECURSIVE_DEPTH) {
    if (toJSONDepth > 0 &&
        value != null &&
        typeof value.toJSON === 'function') {
        try {
            const jsonValue = value.toJSON();
            if (jsonValue !== value) {
                return typeof jsonValue === 'string' ? jsonValue : inspect(jsonValue, toJSONDepth - 1);
            }
        }
        catch {
            // fall through
        }
    }
    if (nodeInspect) {
        return nodeInspect(value);
    }
    if (typeof value === 'string') {
        return JSON.stringify(value);
    }
    if (typeof value === 'function') {
        return value.name ? `[function ${value.name}]` : '[function]';
    }
    if (value === undefined) {
        return 'undefined';
    }
    try {
        return JSON.stringify(value) ?? String(value);
    }
    catch {
        return String(value);
    }
}