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[#12] feat(loader): warm and invalidate CloudFront cache on publish #206

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[#12] feat(loader): warm and invalidate CloudFront cache on publish #206

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e8fce36
feat(loader): warm and invalidate CloudFront cache on publish
jwillis24 Apr 7, 2026
273eb98
feat(loader): per-project CloudFront cache invalidation on publish
jwillis24 Apr 7, 2026
0884f2f
docs(loader): improve comment on CloudFront path-rewrite route
jwillis24 Apr 7, 2026
83c36a9
fix(loader): log warming failures and continue to invalidation
jwillis24 Apr 7, 2026
35563b1
fix(loader): explicit CF region, fetch timeout, and error message for…
jwillis24 Apr 7, 2026
25f7294
fix(loader): use makeCacheableVersionedLoaderQuery for CloudFront war…
jwillis24 Apr 9, 2026
542f5fc
fix(loader): prefill robustness and correctness improvements
jwillis24 Apr 9, 2026
853c64a
fix(loader): sort projectIds in uniqBy dedup key to match invalidatio…
jwillis24 Apr 9, 2026
88c1d3d
test(loader): assert all 4 variants processed in trigger-request test
jwillis24 Apr 9, 2026
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2 changes: 2 additions & 0 deletions platform/wab/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -183,6 +183,7 @@
"@amplitude/analytics-browser": "2.11.1",
"@amplitude/analytics-node": "1.3.6",
"@apidevtools/swagger-parser": "^10.0.2",
"@aws-sdk/client-cloudfront": "^3.319.0",
"@aws-sdk/client-dynamodb": "^3.319.0",
"@babel/core": "^7.28.4",
"@babel/generator": "^7.28.3",
Expand Down Expand Up @@ -275,6 +276,7 @@
"css-tree": "^3.1.0",
"css.escape": "^1.5.1",
"dayjs": "^1.11.9",
"dd-trace": "^5.0.0",
"debug": "2.6.9",
"dom-align": "^1.12.0",
"dotenv": "^8.2.0",
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19 changes: 19 additions & 0 deletions platform/wab/src/wab/server/AppServer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1082,6 +1082,25 @@ export function addLoaderRoutes(app: express.Application) {
apiAuth,
withNext(buildPublishedLoaderAssets)
);
// A CloudFront Function (viewer-request) rewrites published requests to embed
// sorted base project IDs into the URL path before CloudFront caches the
// response, e.g.:
// /api/v1/loader/code/published?projectId=zzz&projectId=aaa&platform=react
// → /api/v1/loader/code/published/aaa,zzz?projectId=zzz&projectId=aaa&...
//
// This makes CloudFront cache entries addressable per-project so that
// CreateInvalidation can target /published/{projectIds}* on publish rather
// than wiping the cache for all projects at once.
//
// The :projectIds path segment is intentionally ignored here — the handler
// reads projectId from the query string as normal, which the CF Function
// preserves verbatim.
app.get(
"/api/v1/loader/code/published/:projectIds",
cors(),
apiAuth,
withNext(buildPublishedLoaderAssets)
);
app.get(
"/api/v1/loader/code/versioned",
cors(),
Expand Down
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