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[feature] add option to disable converting ISO strings to dates (#635)
* adds disableAutoISOConversion load option * add comment * add changelog entry
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‎.changeset/khaki-mayflies-punch.md‎

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---
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'@segment/analytics-next': minor
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---
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Adds a new load option `disableAutoISOConversions` that turns off converting ISO strings in event fields to Dates for integrations.

‎packages/browser/src/browser/__tests__/integration.test.ts‎

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@@ -2,7 +2,7 @@
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import { Context } from '@/core/context'
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import { Plugin } from '@/core/plugin'
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import { JSDOM } from 'jsdom'
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import { Analytics } from '../../core/analytics'
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import { Analytics, InitOptions } from '../../core/analytics'
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import { LegacyDestination } from '../../plugins/ajs-destination'
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import { PersistedPriorityQueue } from '../../lib/priority-queue/persisted'
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// @ts-ignore loadLegacySettings mocked dependency is accused as unused
@@ -998,3 +998,137 @@ describe('.Integrations', () => {
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`)
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})
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})
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describe('Options', () => {
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beforeEach(async () => {
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jest.restoreAllMocks()
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jest.resetAllMocks()
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const html = `
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<!DOCTYPE html>
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<head>
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<script>'hi'</script>
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</head>
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<body>
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</body>
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</html>
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`.trim()
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const jsd = new JSDOM(html, {
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runScripts: 'dangerously',
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resources: 'usable',
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url: 'https://localhost',
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})
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const windowSpy = jest.spyOn(global, 'window', 'get')
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windowSpy.mockImplementation(
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() => jsd.window as unknown as Window & typeof globalThis
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)
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})
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describe('disableAutoISOConversion', () => {
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it('converts iso strings to dates be default', async () => {
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const [analytics] = await AnalyticsBrowser.load({
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writeKey,
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})
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const amplitude = new LegacyDestination(
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'amplitude',
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'latest',
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{
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apiKey: AMPLITUDE_WRITEKEY,
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},
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{}
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)
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await analytics.register(amplitude)
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await amplitude.ready()
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const integrationMock = jest.spyOn(amplitude.integration!, 'track')
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await analytics.track('Hello!', {
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date: new Date(),
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iso: '2020-10-10',
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})
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const [integrationEvent] = integrationMock.mock.lastCall
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expect(integrationEvent.properties()).toEqual({
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date: expect.any(Date),
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iso: expect.any(Date),
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})
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expect(integrationEvent.timestamp()).toBeInstanceOf(Date)
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})
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it('converts iso strings to dates be default', async () => {
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const initOptions: InitOptions = { disableAutoISOConversion: false }
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const [analytics] = await AnalyticsBrowser.load(
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{
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writeKey,
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},
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initOptions
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)
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const amplitude = new LegacyDestination(
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'amplitude',
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'latest',
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{
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apiKey: AMPLITUDE_WRITEKEY,
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},
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initOptions
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)
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await analytics.register(amplitude)
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await amplitude.ready()
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const integrationMock = jest.spyOn(amplitude.integration!, 'track')
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await analytics.track('Hello!', {
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date: new Date(),
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iso: '2020-10-10',
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})
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const [integrationEvent] = integrationMock.mock.lastCall
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expect(integrationEvent.properties()).toEqual({
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date: expect.any(Date),
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iso: expect.any(Date),
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})
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expect(integrationEvent.timestamp()).toBeInstanceOf(Date)
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})
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it('does not convert iso strings to dates when `true`', async () => {
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const initOptions: InitOptions = { disableAutoISOConversion: true }
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const [analytics] = await AnalyticsBrowser.load(
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{
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writeKey,
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},
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initOptions
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)
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const amplitude = new LegacyDestination(
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'amplitude',
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'latest',
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{
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apiKey: AMPLITUDE_WRITEKEY,
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},
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initOptions
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)
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await analytics.register(amplitude)
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await amplitude.ready()
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const integrationMock = jest.spyOn(amplitude.integration!, 'track')
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await analytics.track('Hello!', {
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date: new Date(),
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iso: '2020-10-10',
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})
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const [integrationEvent] = integrationMock.mock.lastCall
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expect(integrationEvent.properties()).toEqual({
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date: expect.any(Date),
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iso: '2020-10-10',
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})
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expect(integrationEvent.timestamp()).toBeInstanceOf(Date)
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})
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})
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})

‎packages/browser/src/core/analytics/index.ts‎

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@@ -67,6 +67,13 @@ export interface InitOptions {
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*
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*/
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disableClientPersistence?: boolean
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/**
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* Disables automatically converting ISO string event properties into Dates.
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* ISO string to Date conversions occur right before sending events to a classic device mode integration,
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* after any destination middleware have been ran.
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* Defaults to `false`.
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*/
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disableAutoISOConversion?: boolean
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initialPageview?: boolean
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cookie?: CookieOptions
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user?: UserOptions

‎packages/browser/src/lib/klona.ts‎

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This file was deleted.

‎packages/browser/src/plugins/ajs-destination/index.ts‎

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@@ -65,6 +65,7 @@ export class LegacyDestination implements Plugin {
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private _initialized = false
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private onReady: Promise<unknown> | undefined
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private onInitialize: Promise<unknown> | undefined
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private disableAutoISOConversion: boolean
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integration: LegacyIntegration | undefined
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this.name = name
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this.version = version
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this.settings = { ...settings }
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this.disableAutoISOConversion = options.disableAutoISOConversion || false
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// AJS-Renderer sets an extraneous `type` setting that clobbers
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// existing type defaults. We need to remove it if it's present
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return ctx
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}
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const event = new clz(afterMiddleware, {})
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const event = new clz(afterMiddleware, {
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traverse: !this.disableAutoISOConversion,
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})
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ctx.stats.increment('analytics_js.integration.invoke', 1, [
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`method:${eventType}`,

‎packages/browser/src/plugins/middleware/index.ts‎

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@@ -3,7 +3,6 @@ import { SegmentEvent } from '../../core/events'
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import { Plugin } from '../../core/plugin'
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import { asPromise } from '../../lib/as-promise'
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import { SegmentFacade, toFacade } from '../../lib/to-facade'
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import { klona } from '../../lib/klona'
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export interface MiddlewareParams {
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payload: SegmentFacade
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evt: SegmentEvent,
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middleware: DestinationMiddlewareFunction[]
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): Promise<SegmentEvent | null> {
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let modifiedEvent = klona(evt)
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// Clone the event so mutations are localized to a single destination.
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let modifiedEvent = toFacade(evt, {
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clone: true,
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traverse: false,
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}).rawEvent() as SegmentEvent
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async function applyMiddleware(
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event: SegmentEvent,
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fn: DestinationMiddlewareFunction

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