mirror of
https://github.com/CopilotKit/CopilotKit.git
synced 2026-09-14 16:26:20 +08:00
Mark Fogle
56b51aeaef
The dojo's preview iframe built its src from `integration.backend_url`,
which generate-registry.ts bakes into registry.json at Docker BUILD time
(default `showcase-{slug}-production.up.railway.app`). So the staging
dojo iframed PROD integration backends — the exact staging->prod leakage
the shell's SU-13 runtime-derivation fix already prevents, but which was
never ported to shell-dojo.
Port the `backendHostPattern` slice of SU-13:
- copy shell's backend-url.ts verbatim (resolveBackendUrl + the
NEXT_PUBLIC_LOCAL_BACKENDS local-dev override); a scripts drift-guard
test keeps it byte-identical to the shell's and pins the default
pattern across backend-url.ts and generate-registry.ts.
- add `backendHostPattern` to shell-dojo's RuntimeConfig (server reads
SHOWCASE_BACKEND_HOST_PATTERN at request time; client carries the SSR
sentinel) — the existing layout injection picks it up automatically.
- page.tsx derives previewUrl via resolveBackendUrl at request time,
gated on a `mounted` flag so the SSR-phase sentinel host never reaches
an iframe src (shell-dojo loads the registry synchronously, so unlike
the shell it has no data-loading guard to defer the read past
hydration).
Staging dojo's SHOWCASE_BACKEND_HOST_PATTERN is set to
`showcase-{slug}-staging.up.railway.app`; prod stays unset (= default
prod pattern), so prod behavior is byte-identical.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
68 lines
2.3 KiB
TypeScript
68 lines
2.3 KiB
TypeScript
import { readFileSync } from "node:fs";
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import { resolve } from "node:path";
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import { describe, expect, it } from "vitest";
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// shell-dojo's src/lib/backend-url.ts is a VERBATIM copy of the shell's
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// (scripts cannot be imported across the two Next apps, and lifting it
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// to a shared importable package was the larger-blast-radius option).
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// The copy's only failure mode is drift — these guards make drift a CI
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// failure instead of a silent staging→prod leakage. The behavior itself
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// is covered by shell/src/lib/backend-url.test.ts; here we only assert
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// the two files (and the script-side default) stay in lockstep.
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const SHELL_BACKEND_URL = resolve(
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__dirname,
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"..",
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"..",
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"shell",
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"src",
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"lib",
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"backend-url.ts",
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);
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const DOJO_BACKEND_URL = resolve(
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__dirname,
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"..",
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"..",
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"shell-dojo",
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"src",
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"lib",
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"backend-url.ts",
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);
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const GENERATE_REGISTRY = resolve(__dirname, "..", "generate-registry.ts");
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function defaultPatternIn(source: string): string {
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const match = source.match(
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/DEFAULT_BACKEND_HOST_PATTERN\s*=\s*\n?\s*"([^"]+)"/,
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);
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if (!match) {
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throw new Error("DEFAULT_BACKEND_HOST_PATTERN literal not found");
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}
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return match[1];
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}
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describe("shell-dojo backend-url drift guard", () => {
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it("shell-dojo/backend-url.ts is byte-identical to shell/backend-url.ts", () => {
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const shell = readFileSync(SHELL_BACKEND_URL, "utf8");
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const dojo = readFileSync(DOJO_BACKEND_URL, "utf8");
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// If this fails, re-copy shell/src/lib/backend-url.ts over
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// shell-dojo/src/lib/backend-url.ts (do NOT diverge them — port any
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// intended change to the shell first, then re-copy).
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expect(dojo).toBe(shell);
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});
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it("the default host pattern matches between backend-url.ts and generate-registry.ts", () => {
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// backend-url.ts (runtime consumer) and generate-registry.ts
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// (build-time synthesizer) consume the same SHOWCASE_BACKEND_HOST_PATTERN
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// env var and MUST agree on the unset-default, or an unset deploy
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// would bake one host yet derive another at runtime.
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const runtimeDefault = defaultPatternIn(
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readFileSync(SHELL_BACKEND_URL, "utf8"),
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);
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const scriptDefault = defaultPatternIn(
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readFileSync(GENERATE_REGISTRY, "utf8"),
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);
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expect(runtimeDefault).toBe(scriptDefault);
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expect(runtimeDefault).toBe("showcase-{slug}-production.up.railway.app");
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});
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});
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