Adding auto-complete

[robfelty]

Summary

autocomplete.mov

Adds an option to use auto-complete instead of search-as-you-type. So instead of getting search results as you type, you get suggestions for search queries as you type.

Hits a new REST API endpoint, and a new Elasticsearch index.

Testing instructions

Apply this 214458-ghe-Automattic/wpcom on your sandbox.

Sandbox the public API

Must use a Jurassic Tube or Jurassic Ninja (or other site with an active Jetpack connection and a Jetpack Search subscription).
Enable the option in jetpack search settings to enable search suggestions

Try typing a search query. You should see some suggestions for search queries. If you click on one, it will execute the search.

If you want to test on the fieldguide, do the following
Sandbox these sites:
fieldguide.automattic.com
automattictraining.wordpress.com

Run this on your sandbox to get this branch for jetpack

~/public_html/bin/jetpack-downloader test jetpack jps3-search-suggestions

Do not checkout trunk, but rather stay on the jetpack-search-auto-complete branch.

You must visit the fieldguide while logged in, but you must also avoid HSTS / SSL errors. Search the field guide for "ssl chrome" to see suggestions on how to avoid SSL issues.

[github-actions]

Are you an Automattician? Please test your changes on all WordPress.com environments to help mitigate accidental explosions.

• To test on WoA, go to the Plugins menu on a WoA dev site. Click on the "Upload" button and follow the upgrade flow to be able to upload, install, and activate the Jetpack Beta plugin. Once the plugin is active, go to Jetpack > Jetpack Beta, select your plugin (Jetpack), and enable the jps3-search-suggestions branch.
• To test on Simple, run the following command on your sandbox:

bin/jetpack-downloader test jetpack jps3-search-suggestions

Interested in more tips and information?

• In your local development environment, use the jetpack rsync command to sync your changes to a WoA dev blog.
• Read more about our development workflow here: PCYsg-eg0-p2
• Figure out when your changes will be shipped to customers here: PCYsg-eg5-p2

[github-actions]

Thank you for your PR!

When contributing to Jetpack, we have a few suggestions that can help us test and review your patch:

• ✅ Include a description of your PR changes.
  
• 🔴 Add a "[Status]" label (In Progress, Needs Review, ...).
  
• ✅ Add testing instructions.
  
• 🔴 Specify whether this PR includes any changes to data or privacy.
  
• ✅ Add changelog entries to affected projects
  

This comment will be updated as you work on your PR and make changes. If you think that some of those checks are not needed for your PR, please explain why you think so. Thanks for cooperation 🤖

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🔴 Action required: We would recommend that you add a section to the PR description to specify whether this PR includes any changes to data or privacy, like so:

## Does this pull request change what data or activity we track or use?

My PR adds *x* and *y*.

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Follow this PR Review Process:

1. Ensure all required checks appearing at the bottom of this PR are passing.
2. Make sure to test your changes on all platforms that it applies to. You're responsible for the quality of the code you ship.
3. You can use GitHub's Reviewers functionality to request a review.
4. When it's reviewed and merged, you will be pinged in Slack to deploy the changes to WordPress.com simple once the build is done.

If you have questions about anything, reach out in #jetpack-developers for guidance!

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Jetpack plugin:

No scheduled milestone found for this plugin.

If you have any questions about the release process, please ask in the #jetpack-releases channel on Slack.

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Search plugin:

No scheduled milestone found for this plugin.

If you have any questions about the release process, please ask in the #jetpack-releases channel on Slack.

[jp-launch-control]

Code Coverage Summary

Cannot generate coverage summary while tests are failing. 🤐

Please fix the tests, or re-run the Code coverage job if it was something being flaky.

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