@segment/analytics.js-core/build/normalize.js

The hassle-free way to integrate analytics into any web application.

'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Module Dependencies.
 */
var debug = require('debug')('analytics.js:normalize');
var defaults = require('@ndhoule/defaults');
var each = require('./utils/each');
var includes = require('@ndhoule/includes');
var map = require('./utils/map');
var type = require('component-type');
var uuid = require('uuid/v4');
var md5 = require('spark-md5').hash;
/**
 * HOP.
 */
var has = Object.prototype.hasOwnProperty;
/**
 * Expose `normalize`
 */
module.exports = normalize;
/**
 * Toplevel properties.
 */
var toplevel = ['integrations', 'anonymousId', 'timestamp', 'context'];
function normalize(msg, list) {
    var lower = map(function (s) {
        return s.toLowerCase();
    }, list);
    var opts = msg.options || {};
    var integrations = opts.integrations || {};
    var providers = opts.providers || {};
    var context = opts.context || {};
    var ret = {};
    debug('<-', msg);
    // integrations.
    each(function (value, key) {
        if (!integration(key))
            return;
        if (!has.call(integrations, key))
            integrations[key] = value;
        delete opts[key];
    }, opts);
    // providers.
    delete opts.providers;
    each(function (value, key) {
        if (!integration(key))
            return;
        if (type(integrations[key]) === 'object')
            return;
        if (has.call(integrations, key) && typeof providers[key] === 'boolean')
            return;
        integrations[key] = value;
    }, providers);
    // move all toplevel options to msg
    // and the rest to context.
    each(function (_value, key) {
        if (includes(key, toplevel)) {
            ret[key] = opts[key];
        }
        else {
            context[key] = opts[key];
        }
    }, opts);
    // generate and attach a messageId to msg
    msg.messageId = 'ajs-' + md5(window.JSON.stringify(msg) + uuid());
    // cleanup
    delete msg.options;
    ret.integrations = integrations;
    ret.context = context;
    ret = defaults(ret, msg);
    debug('->', ret);
    return ret;
    function integration(name) {
        return !!(includes(name, list) ||
            name.toLowerCase() === 'all' ||
            includes(name.toLowerCase(), lower));
    }
}