@scalar/oas-utils/dist/helpers/pretty-print-json.js

Open API spec and Yaml handling utilities

import { isJsonString } from './parse.js';

/**
 * Takes JSON and formats it.
 */
const prettyPrintJson = (value) => {
    if (typeof value === 'string') {
        // JSON string
        if (isJsonString(value)) {
            return JSON.stringify(JSON.parse(value), null, 2);
        }
        // Regular string
        return value;
    }
    // Object
    if (typeof value === 'object') {
        try {
            return JSON.stringify(value, null, 2);
        }
        catch {
            return replaceCircularDependencies(value);
        }
    }
    return value?.toString() ?? '';
};
/**
 * JSON.stringify, but with circular dependencies replaced with '[Circular]'
 */
function replaceCircularDependencies(content) {
    const cache = new Set();
    return JSON.stringify(content, (_key, value) => {
        if (typeof value === 'object' && value !== null) {
            if (cache.has(value)) {
                return '[Circular]';
            }
            cache.add(value);
        }
        return value;
    }, 2);
}

export { prettyPrintJson, replaceCircularDependencies };