122 lines
2.8 KiB
JavaScript
122 lines
2.8 KiB
JavaScript
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var type = require('component-type')
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var join = require('join-component')
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var assert = require('assert')
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module.exports = looselyValidateEvent
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/**
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* Validate an event.
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*/
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function looselyValidateEvent (event, type) {
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validateGenericEvent(event)
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type = type || event.type
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assert(type, 'You must pass an event type.')
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switch (type) {
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case 'track':
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return validateTrackEvent(event)
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case 'group':
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return validateGroupEvent(event)
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case 'identify':
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return validateIdentifyEvent(event)
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case 'page':
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return validatePageEvent(event)
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case 'screen':
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return validateScreenEvent(event)
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case 'alias':
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return validateAliasEvent(event)
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default:
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assert(0, 'Invalid event type: "' + type + '"')
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}
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}
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/**
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* Validate a "track" event.
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*/
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function validateTrackEvent (event) {
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assert(event.anonymousId || event.userId, 'You must pass either an "anonymousId" or a "userId".')
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assert(event.event, 'You must pass an "event".')
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}
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/**
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* Validate a "group" event.
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*/
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function validateGroupEvent (event) {
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assert(event.anonymousId || event.userId, 'You must pass either an "anonymousId" or a "userId".')
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assert(event.groupId, 'You must pass a "groupId".')
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}
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/**
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* Validate a "identify" event.
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*/
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function validateIdentifyEvent (event) {
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assert(event.anonymousId || event.userId, 'You must pass either an "anonymousId" or a "userId".')
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}
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/**
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* Validate a "page" event.
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*/
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function validatePageEvent (event) {
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assert(event.anonymousId || event.userId, 'You must pass either an "anonymousId" or a "userId".')
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}
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/**
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* Validate a "screen" event.
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*/
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function validateScreenEvent (event) {
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assert(event.anonymousId || event.userId, 'You must pass either an "anonymousId" or a "userId".')
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}
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/**
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* Validate an "alias" event.
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*/
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function validateAliasEvent (event) {
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assert(event.userId, 'You must pass a "userId".')
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assert(event.previousId, 'You must pass a "previousId".')
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}
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/**
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* Validation rules.
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*/
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var genericValidationRules = {
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anonymousId: [ 'string', 'number' ],
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category: 'string',
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context: 'object',
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event: 'string',
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groupId: [ 'string', 'number' ],
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integrations: 'object',
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name: 'string',
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previousId: [ 'string', 'number' ],
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timestamp: 'date',
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userId: [ 'string', 'number' ],
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type: 'string'
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}
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/**
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* Validate an event object.
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*/
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function validateGenericEvent (event) {
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assert(type(event) === 'object', 'You must pass a message object.')
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for (var key in genericValidationRules) {
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var val = event[key]
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if (!val) continue
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var rule = genericValidationRules[key]
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if (type(rule) !== 'array') {
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rule = [ rule ]
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}
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var a = rule[0] === 'object' ? 'an' : 'a'
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assert(
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rule.some(function (e) { return type(val) === e }),
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'"' + key + '" must be ' + a + ' ' + join(rule, 'or') + '.'
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)
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}
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}
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