| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| /** |
| * Get a unique id. |
| */ |
| let nextNodeRef = 1 |
| export function uniqueId () { |
| return (nextNodeRef++).toString() |
| } |
| |
| export function typof (v) { |
| const s = Object.prototype.toString.call(v) |
| return s.substring(8, s.length - 1) |
| } |
| |
| export function isPlainObject (value) { |
| return Object.prototype.toString.call(value) === '[object Object]' |
| } |
| |
| export function hasOwn (object, key) { |
| return isPlainObject(object) && Object.prototype.hasOwnProperty.call(object, key) |
| } |
| |
| export function bufferToBase64 (buffer) { |
| if (typeof btoa !== 'function') { |
| return '' |
| } |
| const string = Array.prototype.map.call( |
| new Uint8Array(buffer), |
| code => String.fromCharCode(code) |
| ).join('') |
| return btoa(string) // eslint-disable-line no-undef |
| } |
| |
| export function base64ToBuffer (base64) { |
| if (typeof atob !== 'function') { |
| return new ArrayBuffer(0) |
| } |
| const string = atob(base64) // eslint-disable-line no-undef |
| const array = new Uint8Array(string.length) |
| Array.prototype.forEach.call(string, (ch, i) => { |
| array[i] = ch.charCodeAt(0) |
| }) |
| return array.buffer |
| } |
| |
| /** |
| * Detect if the param is falsy or empty |
| * @param {any} any |
| */ |
| export function isEmpty (any) { |
| if (!any || typeof any !== 'object') { |
| return true |
| } |
| |
| for (const key in any) { |
| if (Object.prototype.hasOwnProperty.call(any, key)) { |
| return false |
| } |
| } |
| return true |
| } |
| |
| const LEVELS = ['off', 'error', 'warn', 'info', 'log', 'debug'] |
| let levelMap = {} |
| |
| /** |
| * Generate map for which types of message will be sent in a certain message level |
| * as the order of LEVELS. |
| */ |
| export function generateLevelMap () { |
| LEVELS.forEach(level => { |
| const levelIndex = LEVELS.indexOf(level) |
| levelMap[level] = {} |
| LEVELS.forEach(type => { |
| const typeIndex = LEVELS.indexOf(type) |
| if (typeIndex <= levelIndex) { |
| levelMap[level][type] = true |
| } |
| }) |
| }) |
| } |
| |
| /** |
| * Reset level map to empty object, |
| * then the log level can be toggled at runtime. |
| */ |
| export function resetLevelMap () { |
| levelMap = {} |
| } |
| |
| /** |
| * Check if a certain type of message will be sent in current log level of env. |
| * @param {string} type |
| * @return {boolean} |
| */ |
| export function checkLevel (type) { |
| const logLevel = (global.WXEnvironment && global.WXEnvironment.logLevel) || 'log' |
| return levelMap[logLevel] && levelMap[logLevel][type] |
| } |
| |
| /** |
| * Print debug log regardless of level check. |
| * |
| * This methods can avoid "double level check" compared with using wrapped console.debug |
| */ |
| export function debugLog (text) { |
| global.nativeLog('wxInteractionAnalyzer: [jsfm]' + text, '__DEBUG') |
| } |