zod/v4/classic/errors.js

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

import * as core from "../core/index.js";
import { $ZodError } from "../core/index.js";
import * as util from "../core/util.js";
/* Prototypes that already carry the lazy helper methods. Seeded with the
 * intrinsics so that `init` on a foreign object — it accepts any object —
 * can never install an accessor onto a prototype we do not own. */
const _installedErrorProtos = /* @__PURE__ */ new WeakSet([Object.prototype, Error.prototype]);
/* Helper methods live as non-enumerable lazy getters on the shared
 * prototype instead of own properties on every instance. On first
 * access the getter allocates the per-instance closure and caches it
 * as a non-enumerable own property, so detached usage still works and
 * the allocation only happens for methods actually touched. */
function _lazyMethod(proto, key, make) {
    Object.defineProperty(proto, key, {
        configurable: true,
        enumerable: false,
        get() {
            const value = make(this);
            Object.defineProperty(this, key, { value, configurable: true, writable: true });
            return value;
        },
        set(value) {
            Object.defineProperty(this, key, { value, configurable: true, writable: true });
        },
    });
}
const initializer = (inst, issues) => {
    $ZodError.init(inst, issues);
    inst.name = "ZodError";
    const proto = Object.getPrototypeOf(inst);
    if (_installedErrorProtos.has(proto))
        return;
    _installedErrorProtos.add(proto);
    _lazyMethod(proto, "format", (self) => (mapper) => core.formatError(self, mapper));
    _lazyMethod(proto, "flatten", (self) => (mapper) => core.flattenError(self, mapper));
    _lazyMethod(proto, "addIssue", (self) => (issue) => {
        self.issues.push(issue);
        self.message = JSON.stringify(self.issues, util.jsonStringifyReplacer, 2);
    });
    _lazyMethod(proto, "addIssues", (self) => (issues) => {
        self.issues.push(...issues);
        self.message = JSON.stringify(self.issues, util.jsonStringifyReplacer, 2);
    });
    Object.defineProperty(proto, "isEmpty", {
        configurable: true,
        enumerable: false,
        get() {
            return this.issues.length === 0;
        },
    });
};
export const ZodError = /*@__PURE__*/ core.$constructor("ZodError", initializer);
export const ZodRealError = /*@__PURE__*/ core.$constructor("ZodError", initializer, undefined, {
    Parent: Error,
});
// /** @deprecated Use `z.core.$ZodErrorMapCtx` instead. */
// export type ErrorMapCtx = core.$ZodErrorMapCtx;