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fix(generate): lazy-load dart renderer so it can't 500 all languages #8

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Merged
dev-jodee merged 1 commit into from
Jul 17, 2026
Merged

fix(generate): lazy-load dart renderer so it can't 500 all languages #8

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15 changes: 7 additions & 8 deletions lib/codama-generate.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -9,14 +9,6 @@ import fs from "fs";
import path from "path";
import { randomUUID } from "crypto";
import { createRequire } from "module";

// codama-renderers-dart@0.4.x mispublishes its exports map: the `import` condition
// points at a .mjs absent from the tarball. Load the working CJS build via require.
// Anchor on cwd rather than import.meta.url so this also compiles under the CJS test build.
const renderDart: typeof import("codama-renderers-dart").renderVisitor =
createRequire(path.join(process.cwd(), "package.json"))(
"codama-renderers-dart"
).renderVisitor;
import type { Language } from "./codama-types";
import { assertLanguageSupportedForIdl } from "./codama-compat";
import { getCodamaRootNode, getIdlProgramName } from "./idl-utils";
Expand Down Expand Up @@ -99,6 +91,13 @@ export async function generateFromIdl(
case "dart": {
const dartDir = path.join(tmpDir, `${programName}-dart-client`);
fs.mkdirSync(dartDir, { recursive: true });
// codama-renderers-dart@0.4.x mispublishes its ESM entry (exports `import` -> a
// .mjs absent from the tarball); load the working CJS build lazily here so a
// resolution failure can't break the other renderers at module load time.
const renderDart = createRequire(
path.join(process.cwd(), "package.json")
)("codama-renderers-dart")
.renderVisitor as typeof import("codama-renderers-dart").renderVisitor;
codama.accept(
renderDart(dartDir, {
formatCode: false,
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6 changes: 6 additions & 0 deletions next.config.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,12 @@ const nextConfig: NextConfig = {
"memfs",
],

// codama-renderers-dart's broken exports map defeats Next's dependency tracer, so its
// files are missing from the serverless bundle. Force-include them for the generate route.
outputFileTracingIncludes: {
"/api/generate": ["./node_modules/codama-renderers-dart/**/*"],
},

async headers() {
return [
{
Expand Down
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