Update packages with React 17 and tests passing.

[tofumatt]

Summary

Addresses issue:

• Upgrade packages and improve TypeScript coverage #12058

Relevant technical choices

PR Author Checklist

• My code is tested and passes existing unit tests.
• My code has an appropriate set of unit tests which all pass.
• My code is backward-compatible with WordPress 5.2 and PHP 7.4.
• My code follows the WordPress coding standards.
• My code has proper inline documentation.
• I have added a QA Brief on the issue linked above.
• I have signed the Contributor License Agreement (see https://cla.developers.google.com/).

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Do not alter or remove anything below. The following sections will be managed by moderators only.

Code Reviewer Checklist

• Run the code.
• Ensure the acceptance criteria are satisfied.
• Reassess the implementation with the IB.
• Ensure no unrelated changes are included.
• Ensure CI checks pass.
• Check Storybook where applicable.
• Ensure there is a QA Brief.
• Ensure there are no unexpected significant changes to file sizes.

Merge Reviewer Checklist

• Ensure the PR has the correct target branch.
• Double-check that the PR is okay to be merged.
• Ensure the corresponding issue has a ZenHub release assigned.
• Add a changelog message to the issue.

[github-actions]

🤖 This comment is automatically updated by CI workflows. Each section is managed independently.

📚 Storybook for 2291758:

• View Storybook

📦 Build files for 2291758:

• Download development build
• Download production build

🎭 Playwright reports for 2291758:

• WordPress 5.2.21
• WordPress latest
• WordPress nightly

[github-actions]

Size Change: -35.1 kB (-1.52%)

Total Size: 2.27 MB

📦 View Changed

Filename	Size	Change
dist/assets/js/googlesitekit-entity-dashboard-********************.js	71.4 kB	-1.4 kB (-1.92%)
dist/assets/js/googlesitekit-key-metrics-setup-********************.js	52.3 kB	-1.07 kB (-2.01%)
dist/assets/js/googlesitekit-modules-ads-********************.js	47.5 kB	-1.42 kB (-2.89%)
dist/assets/js/googlesitekit-modules-adsense-********************.js	135 kB	-3.26 kB (-2.36%)
dist/assets/js/googlesitekit-modules-analytics-4-********************.js	186 kB	-5.51 kB (-2.89%)
dist/assets/js/googlesitekit-modules-search-console-********************.js	65 kB	-2.19 kB (-3.26%)
dist/assets/js/googlesitekit-notifications-********************.js	67.3 kB	-1.21 kB (-1.77%)
dist/assets/js/googlesitekit-settings-********************.js	133 kB	-2.22 kB (-1.64%)
dist/assets/js/googlesitekit-user-input-********************.js	50.3 kB	-1.05 kB (-2.04%)
dist/assets/js/googlesitekit-vendor-********************.js	315 kB	-12.8 kB (-3.9%)
dist/assets/js/googlesitekit-widgets-********************.js	103 kB	-1.15 kB (-1.1%)
dist/assets/js/googlesitekit-wp-dashboard-********************.js	60.3 kB	-1.81 kB (-2.91%)

ℹ️ View Unchanged

Filename	Size	Change
dist/assets/blocks/reader-revenue-manager/block-editor-plugin/editor-styles.css	124 B	0 B
dist/assets/blocks/reader-revenue-manager/block-editor-plugin/editor-styles.js	0 B	0 B	🆕
dist/assets/blocks/reader-revenue-manager/block-editor-plugin/index.js	42.7 kB	-5 B (-0.01%)
dist/assets/blocks/reader-revenue-manager/common/editor-styles.css	307 B	0 B
dist/assets/blocks/reader-revenue-manager/common/editor-styles.js	0 B	0 B	🆕
dist/assets/blocks/reader-revenue-manager/contribute-with-google/index.js	5.81 kB	-72 B (-1.22%)
dist/assets/blocks/reader-revenue-manager/contribute-with-google/non-site-kit-user.js	5 kB	-66 B (-1.3%)
dist/assets/blocks/reader-revenue-manager/subscribe-with-google/index.js	5.81 kB	-70 B (-1.19%)
dist/assets/blocks/reader-revenue-manager/subscribe-with-google/non-site-kit-user.js	5 kB	-67 B (-1.32%)
dist/assets/blocks/sign-in-with-google/editor-styles.css	84 B	0 B
dist/assets/blocks/sign-in-with-google/editor-styles.js	0 B	0 B	🆕
dist/assets/blocks/sign-in-with-google/index.js	18.5 kB	-69 B (-0.37%)
dist/assets/css/googlesitekit-admin-css-********************.min.css	67.1 kB	-2 B (0%)
dist/assets/css/googlesitekit-adminbar-css-********************.min.css	12.2 kB	-36 B (-0.29%)
dist/assets/css/googlesitekit-authorize-application-css-********************.min.css	851 B	+5 B (+0.59%)
dist/assets/css/googlesitekit-wp-dashboard-css-********************.min.css	8.88 kB	-9 B (-0.1%)
dist/assets/js/146-********************.js	960 B	-3 B (-0.31%)
dist/assets/js/201-********************.js	2.85 kB	-3 B (-0.11%)
dist/assets/js/314-********************.js	100 kB	-3 B (0%)
dist/assets/js/315-********************.js	3.08 kB	-2 B (-0.06%)
dist/assets/js/379-********************.js	3.7 kB	-3 B (-0.08%)
dist/assets/js/590-********************.js	1.88 kB	-3 B (-0.16%)
dist/assets/js/640-********************.js	2.35 kB	-3 B (-0.13%)
dist/assets/js/909-********************.js	1.01 kB	-2 B (-0.2%)
dist/assets/js/analytics-advanced-tracking-********************.js	404 B	-71 B (-14.95%)	👏
dist/assets/js/googlesitekit-activation-********************.js	24.6 kB	-453 B (-1.81%)
dist/assets/js/googlesitekit-ad-blocking-recovery-********************.js	58.6 kB	-987 B (-1.66%)
dist/assets/js/googlesitekit-admin-pointers-tracking-********************.js	5.36 kB	+13 B (+0.24%)
dist/assets/js/googlesitekit-adminbar-********************.js	35.3 kB	-762 B (-2.11%)
dist/assets/js/googlesitekit-api-********************.js	8.01 kB	+20 B (+0.25%)
dist/assets/js/googlesitekit-block-tracking-********************.js	5.55 kB	-4 B (-0.07%)
dist/assets/js/googlesitekit-components-********************.js	5.79 kB	-31 B (-0.53%)
dist/assets/js/googlesitekit-consent-mode-********************.js	25.6 kB	+101 B (+0.4%)
dist/assets/js/googlesitekit-data-********************.js	1.73 kB	-6 B (-0.35%)
dist/assets/js/googlesitekit-datastore-forms-********************.js	7.04 kB	+28 B (+0.4%)
dist/assets/js/googlesitekit-datastore-location-********************.js	1.52 kB	+9 B (+0.6%)
dist/assets/js/googlesitekit-datastore-site-********************.js	18.3 kB	-133 B (-0.72%)
dist/assets/js/googlesitekit-datastore-ui-********************.js	7.16 kB	-7 B (-0.1%)
dist/assets/js/googlesitekit-datastore-user-********************.js	22.9 kB	-119 B (-0.52%)
dist/assets/js/googlesitekit-events-provider-contact-form-7-********************.js	1.23 kB	-50 B (-3.92%)
dist/assets/js/googlesitekit-events-provider-easy-digital-downloads-********************.js	590 B	-65 B (-9.92%)	👏
dist/assets/js/googlesitekit-events-provider-mailchimp-********************.js	1.22 kB	-52 B (-4.1%)
dist/assets/js/googlesitekit-events-provider-ninja-forms-********************.js	1.22 kB	-47 B (-3.72%)
dist/assets/js/googlesitekit-events-provider-optin-monster-********************.js	1.25 kB	-49 B (-3.78%)
dist/assets/js/googlesitekit-events-provider-popup-maker-********************.js	1.29 kB	-47 B (-3.51%)
dist/assets/js/googlesitekit-events-provider-woocommerce-********************.js	918 B	-72 B (-7.27%)	✅
dist/assets/js/googlesitekit-events-provider-wpforms-********************.js	1.25 kB	-45 B (-3.48%)
dist/assets/js/googlesitekit-i18n-********************.js	6.1 kB	-57 B (-0.93%)
dist/assets/js/googlesitekit-main-dashboard-********************.js	148 kB	-921 B (-0.62%)
dist/assets/js/googlesitekit-metric-selection-********************.js	57.7 kB	-205 B (-0.35%)
dist/assets/js/googlesitekit-modules-********************.js	25.9 kB	-422 B (-1.6%)
dist/assets/js/googlesitekit-modules-pagespeed-insights-********************.js	23.2 kB	-390 B (-1.66%)
dist/assets/js/googlesitekit-modules-reader-revenue-manager-********************.js	52.3 kB	-477 B (-0.9%)
dist/assets/js/googlesitekit-modules-sign-in-with-google-********************.js	33.9 kB	-806 B (-2.33%)
dist/assets/js/googlesitekit-modules-tagmanager-********************.js	29.8 kB	-615 B (-2.02%)
dist/assets/js/googlesitekit-polyfills-********************.js	228 B	-2 B (-0.87%)
dist/assets/js/googlesitekit-splash-********************.js	77.8 kB	-772 B (-0.98%)
dist/assets/js/runtime-********************.js	1.86 kB	-62 B (-3.22%)

_{compressed-size-action}

[tofumatt]

It seems the remaining test failures are largely around unexpected calls to this Analytics settings API endpoint.

[tofumatt]

I've resolved most of the test failures by mocking calls to Analytics settings, but a few give the error that fetch isn't defined, which is quite odd: