serverless-plugin-swagger-api/lib/swagger-mapper.js

Define your API Endpoints in OpenAPI format (swagger) and create APIGW integration automatically

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const lodash_1 = require("lodash");
const PLUGIN_CONFIG_ATTRIBUTE_KEY = 'x-attr-serverless';
exports.mapSwaggerFileToFunctionEvents = (swagger, log = console.log) => {
    const paths = swagger.paths;
    const securityDefinitions = swagger.securityDefinitions || {};
    const getSecurityDefinition = (name) => {
        const def = securityDefinitions[name] || {};
        if (def['x-attr-name']) {
            return {
                name: def['x-attr-name'],
            };
        }
        else if (def['x-attr-arn']) {
            return {
                arn: def['x-attr-arn'],
            };
        }
    };
    if (!paths) {
        log('WARNING: Swaggerfile is missing property: `paths`');
        return {};
    }
    return Object.keys(paths).reduce((handlers, path) => {
        const routes = paths[path];
        Object.keys(routes).forEach((method) => {
            const route = routes[method];
            const serverless = route[PLUGIN_CONFIG_ATTRIBUTE_KEY];
            // if has serverless definition, let's add the events
            if (serverless) {
                if (!serverless.functionName) {
                    return log(`Warning: Missing functionName: '[${method}]: ${path}'`);
                }
                if (!handlers[serverless.functionName]) {
                    handlers[serverless.functionName] = [];
                }
                const params = {};
                if (Array.isArray(route.security) && route.security[0]) {
                    for (let key in route.security[0]) {
                        const def = getSecurityDefinition(key);
                        if (def) {
                            params.authorizer = def;
                            break;
                        }
                    }
                }
                handlers[serverless.functionName].push({
                    http: Object.assign(Object.assign({ method,
                        path }, params), lodash_1.omit(serverless, 'functionName')),
                });
            }
        });
        return handlers;
    }, {});
};
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