Microsoft/TypeScript
Ver no GitHubError message displays computed name '[attr]' instead of key value
Open
#57.653 aberto em 5 de mar. de 2024
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Description
🔎 Search Terms
computed property, error message
🕗 Version & Regression Information
- This is the behavior in every version I tried, and I reviewed the FAQ for entries about computed properties
⏯ Playground Link
💻 Code
type Unit =
| {
name: string;
stength: number;
}
| {
name: string;
magic: number;
};
const createUnit = (
name: string,
attr: "strength" | "magic",
power: number,
): Unit => {
return attr === "strength"
? { name, [attr]: power } // <-- error here
: { name, [attr]: power };
};
🙁 Actual behavior
Error message displays "Object literal may only specify known properties, and '[attr]' does not exist in type 'Unit'".
🙂 Expected behavior
Error message should display that "strength" doesn't exist on Unit. (and possibly even recommend "stength" instead)
Additional information about the issue
No response