UNPKG

zod

Version:

TypeScript-first schema declaration and validation library with static type inference

62 lines (61 loc) 2.08 kB
/** A special constant with type `never` */ export const NEVER = Object.freeze({ status: "aborted", }); export /*@__NO_SIDE_EFFECTS__*/ function $constructor(name, initializer, params) { function init(inst, def) { var _a; Object.defineProperty(inst, "_zod", { value: inst._zod ?? {}, enumerable: false, }); (_a = inst._zod).traits ?? (_a.traits = new Set()); inst._zod.traits.add(name); initializer(inst, def); // support prototype modifications for (const k in _.prototype) { if (!(k in inst)) Object.defineProperty(inst, k, { value: _.prototype[k].bind(inst) }); } inst._zod.constr = _; inst._zod.def = def; } // doesn't work if Parent has a constructor with arguments const Parent = params?.Parent ?? Object; class Definition extends Parent { } Object.defineProperty(Definition, "name", { value: name }); function _(def) { var _a; const inst = params?.Parent ? new Definition() : this; init(inst, def); (_a = inst._zod).deferred ?? (_a.deferred = []); for (const fn of inst._zod.deferred) { fn(); } return inst; } Object.defineProperty(_, "init", { value: init }); Object.defineProperty(_, Symbol.hasInstance, { value: (inst) => { if (params?.Parent && inst instanceof params.Parent) return true; return inst?._zod?.traits?.has(name); }, }); Object.defineProperty(_, "name", { value: name }); return _; } ////////////////////////////// UTILITIES /////////////////////////////////////// export const $brand = Symbol("zod_brand"); export class $ZodAsyncError extends Error { constructor() { super(`Encountered Promise during synchronous parse. Use .parseAsync() instead.`); } } export const globalConfig = {}; export function config(newConfig) { if (newConfig) Object.assign(globalConfig, newConfig); return globalConfig; }