actions-on-google
Version:
Actions on Google Client Library for Node.js
69 lines • 2.44 kB
JavaScript
;
/**
* Copyright 2018 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.lambda = exports.Lambda = void 0;
const common = require("../common");
/** @hidden */
class Lambda {
handle(standard) {
return async (event, context, callback) => {
const metadata = {
context,
event,
};
const entireBodyFormat = typeof event.headers !== 'object' || Array.isArray(event.headers);
// convert header keys to lowercase for case insensitive header retrieval
const headers = entireBodyFormat
? {}
: Object.keys(event.headers).reduce((o, k) => {
o[k.toLowerCase()] = event.headers[k];
return o;
}, {});
const body = entireBodyFormat
? event
: typeof event.body === 'string'
? JSON.parse(event.body)
: event.body;
const result = await standard(body, headers, { lambda: metadata }).catch((e) => {
common.error(e.stack || e);
callback(e);
});
if (!result) {
return;
}
const { status } = result;
callback(null, {
statusCode: status,
body: JSON.stringify(result.body),
headers: result.headers,
});
};
}
isContext(second) {
return typeof second.succeed === 'function';
}
isCallback(third) {
return typeof third === 'function';
}
check(first, second, third) {
return this.isContext(second) && this.isCallback(third);
}
}
exports.Lambda = Lambda;
/** @hidden */
exports.lambda = new Lambda();
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