openapi-minifier/dist/parser.js

A CLI tool by Treblle tp minify OpenAPI V3 Specs by removing redundant information not relevant to AI Agents and LLMs.

import yaml from 'js-yaml';
export function parseOpenAPI(content, format) {
    try {
        let spec;
        if (format === 'yaml') {
            spec = yaml.load(content, {
                schema: yaml.JSON_SCHEMA,
                onWarning: (warning) => {
                    console.warn('YAML parsing warning:', warning);
                }
            });
        }
        else {
            spec = JSON.parse(content);
        }
        if (!spec || typeof spec !== 'object') {
            throw new Error('Invalid OpenAPI specification: not an object');
        }
        const openApiSpec = spec;
        if (!openApiSpec.openapi) {
            throw new Error('Missing "openapi" field');
        }
        if (!openApiSpec.info) {
            throw new Error('Missing "info" field');
        }
        if (!openApiSpec.paths) {
            throw new Error('Missing "paths" field');
        }
        return openApiSpec;
    }
    catch (error) {
        if (error instanceof Error) {
            throw new Error(`Failed to parse OpenAPI specification: ${error.message}`);
        }
        throw new Error('Failed to parse OpenAPI specification: Unknown error');
    }
}
export function serializeOpenAPI(spec, format) {
    try {
        if (format === 'yaml') {
            return yaml.dump(spec, {
                indent: 2,
                lineWidth: -1,
                noRefs: true,
                sortKeys: false,
            });
        }
        else {
            return JSON.stringify(spec);
        }
    }
    catch (error) {
        if (error instanceof Error) {
            throw new Error(`Failed to serialize OpenAPI specification: ${error.message}`);
        }
        throw new Error('Failed to serialize OpenAPI specification: Unknown error');
    }
}
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