miniprogram-logger/es/common/reporter.js

It is used to log and gather statistics of users' behavior.

import { guid } from "./guid";
/**
 * 序列化字符串
 * @param data paramter
 */
export function stringify(data) {
    return data && typeof data !== "string" && typeof data !== "number" ? JSON.stringify(data) : data;
}
/**
 * 默认Log对象转换函数
 * 自动添加蛇形命名
 * 字段中注入`id`和`timestamp`
 * @param data LogObject
*/
export function logTransformFunction(data) {
    if (typeof data === "object") {
        Object.keys(data).reduce(function (acc, key) {
            const snake = key.replace(/([A-Z]+)/g, function (m, x) {
                return "_" + x.toLowerCase();
            });
            if (!(snake in acc)) {
                acc[snake] = data[key];
            }
            return acc;
        }, data);
        if (!data.id) {
            data.id = guid();
        }
        if (!data.timestamp) {
            data.timestamp = new Date().toISOString();
        }
    }
    return data;
}
/**
 * 上报封装
 */
export class Reporter {
    constructor(table, fields, context) {
        this.TableName = table;
        this.Fields = fields;
        this.Context = context || {};
    }
    report() {
        if (arguments.length === 0) {
            //@ts-ignore
            console.error("report need 1 or more parameters");
            return;
        }
        const data = Object.assign({}, this.Context);
        if (arguments.length === 1 && typeof arguments[0] === "object") {
            Object.assign(data, arguments[0]);
        }
        else {
            let n = Math.min(this.Fields.length, arguments.length);
            while (n-- > 0) {
                data[this.Fields[n]] = arguments[n];
            }
        }
        if (this.TransformFunction) {
            this.TransformFunction(data);
        }
        Object.keys(data).forEach(key => (data[key] = stringify(data[key])));
        wx.reportAnalytics(this.TableName, data);
    }
    setContext() {
        if (arguments.length == 1) {
            Object.assign(this.Context, arguments[0]);
        }
        else if (arguments[1] === undefined) {
            delete this.Context[arguments[0]];
        }
        else {
            this.Context[arguments[0]] = arguments[1];
        }
        return this;
    }
}