zod-to-ts
Version:
generate TypeScript types from your Zod schema
80 lines (79 loc) • 3.67 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.handleUnrepresentable = handleUnrepresentable;
exports.createAuxiliaryTypeStore = createAuxiliaryTypeStore;
exports.literalValueToLiteralType = literalValueToLiteralType;
const typescript_1 = __importStar(require("typescript"));
function handleUnrepresentable(unrepresentable, unrepresentableType) {
if (unrepresentable === 'any') {
return typescript_1.factory.createKeywordTypeNode(typescript_1.default.SyntaxKind.AnyKeyword);
}
throw new Error(`Schemas of type "${unrepresentableType}" cannot be represented in TypeScript`);
}
function createAuxiliaryTypeStore() {
let id = 0;
return {
nextId() {
const currentId = id;
id++;
return `Auxiliary_${currentId}`;
},
definitions: new Map(),
};
}
function literalValueToLiteralType(literalValue) {
switch (typeof literalValue) {
case 'string':
return typescript_1.factory.createLiteralTypeNode(typescript_1.factory.createStringLiteral(literalValue));
case 'number':
if (literalValue < 0) {
return typescript_1.factory.createLiteralTypeNode(typescript_1.factory.createPrefixUnaryExpression(typescript_1.default.SyntaxKind.MinusToken, typescript_1.factory.createNumericLiteral(Math.abs(literalValue))));
}
return typescript_1.factory.createLiteralTypeNode(typescript_1.factory.createNumericLiteral(literalValue));
case 'bigint':
return typescript_1.factory.createLiteralTypeNode(typescript_1.factory.createBigIntLiteral(`${literalValue.toString()}n`));
case 'boolean':
return literalValue === true
? typescript_1.factory.createLiteralTypeNode(typescript_1.factory.createTrue())
: typescript_1.factory.createLiteralTypeNode(typescript_1.factory.createFalse());
case 'object':
if (literalValue === null)
return typescript_1.factory.createLiteralTypeNode(typescript_1.factory.createNull());
throw new Error('Object literals are not supported');
case 'undefined':
return typescript_1.factory.createKeywordTypeNode(typescript_1.default.SyntaxKind.UndefinedKeyword);
}
}