PostHog/posthog-js posthog-js@1.284.0

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1.284.0

Minor Changes

• #2529 882d823 Thanks @MattBro! - feat(surveys): add URL prefill and auto-submit support

  Surveys can now be prefilled and automatically submitted via URL parameters.

  New configuration options:

  posthog.init('token', {
      surveys: {
          prefillFromUrl: true,
          autoSubmitIfComplete: true,
          autoSubmitDelay: 800,
      },
  })

  URL format: ?q0=1&q1=8&auto_submit=true

  • q{N} = question index (0-based)
  • Value = choice index or rating value
  • auto_submit=true enables auto-submission

  Supported question types:

  • Single choice (choice index)
  • Multiple choice (multiple q{N} params)
  • Rating (numeric value, validated against scale)

  Use cases:

  • Pre-filled NPS surveys from email campaigns
  • One-click survey responses from notifications
  • SMS surveys with embedded feedback
  • QR code surveys at events