feat: add DeprecatedFontsOnSettingsData check for config/settings_data.json#1174
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SinhSinhAn wants to merge 1 commit intoShopify:mainfrom
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feat: add DeprecatedFontsOnSettingsData check for config/settings_data.json#1174SinhSinhAn wants to merge 1 commit intoShopify:mainfrom
SinhSinhAn wants to merge 1 commit intoShopify:mainfrom
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Add a new theme check that warns when `config/settings_data.json` contains deprecated font handles. This complements the existing `DeprecatedFontsOnSectionsAndBlocks` and `DeprecatedFontsOnSettingsSchema` checks by covering the saved preset values in settings_data.json, which was the remaining unchecked surface for deprecated fonts. The check walks all string literal values in the JSON and flags any that match the shared DEPRECATED_FONT_HANDLES set. Closes Shopify#1008
aswamy
reviewed
Apr 17, 2026
| docs: { | ||
| description: 'Warns on deprecated fonts in settings_data settings values.', | ||
| recommended: true, | ||
| url: 'https://shopify.dev/docs/storefronts/themes/tools/theme-check/checks/deprecated-fonts-on-settings-data', |
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I can go make this documentation once this is merged
aswamy
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Apr 17, 2026
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@SinhSinhAn I ran your code and it looks good!
Can you create a patch changeset file? You can do that by running yarn changeset. It should look something like in this PR.
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Summary
DeprecatedFontsOnSettingsDataJSON check that warns on deprecated font handles inconfig/settings_data.jsonThis complements the existing
DeprecatedFontsOnSectionsAndBlocks(sections/blocks{% schema %}tags) andDeprecatedFontsOnSettingsSchema(config/settings_schema.json) checks by covering the remaining unchecked surface: saved preset values insettings_data.json.How it works
The check walks all string literal
Propertyvalues inconfig/settings_data.jsonand flags any that match the sharedDEPRECATED_FONT_HANDLESset. This covers:currentsettings (live theme values)presets(theme demo presets)Implementation details
DEPRECATED_FONT_HANDLESset fromdeprecated-fonts-data.tsDeprecatedFontsOnSettingsSchemaallCheckswithrecommended: trueTests
6 test cases covering:
config/settings_data.json)All existing tests continue to pass (21 tests across the other two deprecated font checks).
Closes #1008