Coercion: Fix manual morphs (`pipe`s)

[yamcodes]

This type doesn't work when being put into createEnv:

export const Env = type({
	PORT: "number.port",
	VITE_MY_VAR: "string",
	VITE_MY_NUMBER: "number",
	VITE_MY_BOOLEAN: "boolean",
	VITE_MY_NUMBER_MANUAL: type("string").pipe((str) => Number.parseInt(str, 10)),
	VITE_MY_BOOLEAN_MANUAL: type("string").pipe((str) => str === "true"),
});

The existence of either of those last two types throws:

apps/playgrounds/vite on  coercion [$!⇣] via 🤖 v24.11.1 
❯ nb

> vite-playground@0.0.0 build /Users/yamcodes/code/arkenv/apps/playgrounds/vite
> tsc -b && vite build

failed to load config from /Users/yamcodes/code/arkenv/apps/playgrounds/vite/vite.config.ts
error during build:
ToJsonSchemaError: {
    code: "morph",
    base: {
        type: "string"
    },
    out: null
}
    at Object.throw (file:///Users/yamcodes/code/arkenv/node_modules/.pnpm/@ark+schema@0.56.0/node_modules/@ark/schema/out/shared/toJsonSchema.js:36:15)
    at Object.morph (file:///Users/yamcodes/code/arkenv/node_modules/.pnpm/@ark+schema@0.56.0/node_modules/@ark/schema/out/shared/toJsonSchema.js:24:41)
    at MorphNode.innerToJsonSchema (file:///Users/yamcodes/code/arkenv/node_modules/.pnpm/@ark+schema@0.56.0/node_modules/@ark/schema/out/roots/morph.js:120:29)
    at MorphNode.toResolvedJsonSchema (file:///Users/yamcodes/code/arkenv/node_modules/.pnpm/@ark+schema@0.56.0/node_modules/@ark/schema/out/roots/root.js:102:29)
    at MorphNode.toJsonSchemaRecurse (file:///Users/yamcodes/code/arkenv/node_modules/.pnpm/@ark+schema@0.56.0/node_modules/@ark/schema/out/roots/root.js:94:21)
    at StructureNode.reduceObjectJsonSchema (file:///Users/yamcodes/code/arkenv/node_modules/.pnpm/@ark+schema@0.56.0/node_modules/@ark/schema/out/structure/structure.js:560:48)
    at StructureNode.reduceJsonSchema (file:///Users/yamcodes/code/arkenv/node_modules/.pnpm/@ark+schema@0.56.0/node_modules/@ark/schema/out/structure/structure.js:541:29)
    at file:///Users/yamcodes/code/arkenv/node_modules/.pnpm/@ark+schema@0.56.0/node_modules/@ark/schema/out/roots/intersection.js:179:21
    at Array.reduce (<anonymous>)
    at IntersectionNode.innerToJsonSchema (file:///Users/yamcodes/code/arkenv/node_modules/.pnpm/@ark+schema@0.56.0/node_modules/@ark/schema/out/roots/intersection.js:175:30)
 ELIFECYCLE  Command failed with exit code 1.

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🔗 Similar Issues

Related Issues

• Coercion Documentation #567
• Coercion Playgrounds/examples #568
• Provide a clear example of a default variable for an array #163
• "Type instantiation is excessively deep" with ArkType 2.1.28 #497
• Additional properties are allowed #97

🔗 Related PRs

#415 - Infer the import.meta.env type [merged]
#468 - Add playground-to-example sync infrastructure [merged]
#542 - Make Vite plugin compatible with Vite < 7 (TypeScript-wise) [merged]
#565 - type Coercion Implementation [merged]
#570 - Global schema transformer [merged]

👤 Suggested Assignees

• yamcodes
• copilot-swe-agent

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[yamcodes]

Closed by #593