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functions/node_modules/@google-cloud/firestore/build/src/logger.js

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+/*!
+ * 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.
+ */
+'use strict';
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const util_1 = __importDefault(require("util"));
+const validate_1 = require("./validate");
+const validate = validate_1.createValidator();
+/*! The Firestore library version */
+let libVersion;
+/*! The external function used to emit logs. */
+let logFunction = (msg) => { };
+/**
+ * Log function to use for debug output. By default, we don't perform any
+ * logging.
+ *
+ * @private
+ */
+function logger(methodName, requestTag, logMessage, ...additionalArgs) {
+    requestTag = requestTag || '#####';
+    const formattedMessage = util_1.default.format(logMessage, ...additionalArgs);
+    const time = new Date().toISOString();
+    logFunction(`Firestore (${libVersion}) ${time} ${requestTag} [${methodName}]: ` +
+        formattedMessage);
+}
+exports.logger = logger;
+/**
+ * Sets the log function for all active Firestore instances.
+ *
+ * @private
+ */
+function setLogFunction(logger) {
+    validate.isFunction('logger', logger);
+    logFunction = logger;
+}
+exports.setLogFunction = setLogFunction;
+/**
+ * Sets the log function for all active Firestore instances.
+ *
+ * @private
+ */
+function setLibVersion(version) {
+    libVersion = version;
+}
+exports.setLibVersion = setLibVersion;