@walecloud/fastify-openapi-typescript-generator/lib/openapi-types/openapi-types.js

Contains utilities to generate fastify types from openapi definition for the fastify framework.

import openapiTS, { astToString } from 'openapi-typescript';
import { disableLinter } from '../utils/consts.js';
const schemaStartPath = '#/components/schemas/';
export const generateOpenapiTypes = async (openapiFilePath, options) => {
    const localPath = new URL(openapiFilePath, import.meta.url);
    const { externalTypesImportFrom } = options ?? {};
    const openAPITSOptions = {
        inject: disableLinter,
    };
    if (externalTypesImportFrom) {
        const externalTypesImport = 'openapiTypes';
        openAPITSOptions.transform = (_, options) => {
            if (options.path?.startsWith(schemaStartPath)) {
                const typeName = options.path.replace(schemaStartPath, '');
                return `${externalTypesImport}.${typeName}`;
            }
            return undefined;
        };
        openAPITSOptions.inject += `\nimport * as ${externalTypesImport} from "${externalTypesImportFrom}";\n`;
    }
    const ast = await openapiTS(localPath, openAPITSOptions);
    return astToString(ast);
};