typed-openapi/src/sanitize-name.ts

const reservedWords = new Set([
  // TS keywords and built-ins
  "import",
  "package",
  "namespace",
  "Record",
  "Partial",
  "Required",
  "Readonly",
  "Pick",
  "Omit",
  "String",
  "Number",
  "Boolean",
  "Object",
  "Array",
  "Function",
  "any",
  "unknown",
  "never",
  "void",
  "extends",
  "super",
  "class",
  "interface",
  "type",
  "enum",
  "const",
  "let",
  "var",
  "if",
  "else",
  "for",
  "while",
  "do",
  "switch",
  "case",
  "default",
  "break",
  "continue",
  "return",
  "try",
  "catch",
  "finally",
  "throw",
  "new",
  "delete",
  "in",
  "instanceof",
  "typeof",
  "void",
  "with",
  "yield",
  "await",
  "static",
  "public",
  "private",
  "protected",
  "abstract",
  "as",
  "asserts",
  "from",
  "get",
  "set",
  "module",
  "require",
  "keyof",
  "readonly",
  "global",
  "symbol",
  "bigint",
]);

export function sanitizeName(name: string, type: "schema" | "endpoint") {
  let n = name.replace(/[\W/]+/g, "_");
  if (/^\d/.test(n)) n = "_" + n;
  if (reservedWords.has(n)) n = (type === "schema" ? "Schema_" : "Endpoint_") + n;
  return n;
}