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Viewing / Editing File: Redacted.d.ts

/**
 * The Redacted module provides functionality for handling sensitive information
 * securely within your application. By using the `Redacted` data type, you can
 * ensure that sensitive values are not accidentally exposed in logs or error
 * messages.
 *
 * @since 3.3.0
 */
import type * as Equal from "./Equal.js";
import * as Equivalence from "./Equivalence.js";
import type { Pipeable } from "./Pipeable.js";
import type { Covariant } from "./Types.js";
/**
 * @since 3.3.0
 * @category symbols
 */
export declare const RedactedTypeId: unique symbol;
/**
 * @since 3.3.0
 * @category symbols
 */
export type RedactedTypeId = typeof RedactedTypeId;
/**
 * @since 3.3.0
 * @category models
 */
export interface Redacted<out A = string> extends Redacted.Variance<A>, Equal.Equal, Pipeable {
}
/**
 * @since 3.3.0
 */
export declare namespace Redacted {
    /**
     * @since 3.3.0
     * @category models
     */
    interface Variance<out A> {
        readonly [RedactedTypeId]: {
            readonly _A: Covariant<A>;
        };
    }
    /**
     * @since 3.3.0
     * @category type-level
     */
    type Value<T extends Redacted<any>> = [T] extends [Redacted<infer _A>] ? _A : never;
}
/**
 * @since 3.3.0
 * @category refinements
 */
export declare const isRedacted: (u: unknown) => u is Redacted<unknown>;
/**
 * This function creates a `Redacted<A>` instance from a given value `A`,
 * securely hiding its content.
 *
 * @example
 * ```ts
 * import { Redacted } from "effect"
 *
 * const API_KEY = Redacted.make("1234567890")
 * ```
 *
 * @since 3.3.0
 * @category constructors
 */
export declare const make: <A>(value: A) => Redacted<A>;
/**
 * Retrieves the original value from a `Redacted` instance. Use this function
 * with caution, as it exposes the sensitive data.
 *
 * @example
 * ```ts
 * import * as assert from "node:assert"
 * import { Redacted } from "effect"
 *
 * const API_KEY = Redacted.make("1234567890")
 *
 * assert.equal(Redacted.value(API_KEY), "1234567890")
 * ```
 *
 * @since 3.3.0
 * @category getters
 */
export declare const value: <A>(self: Redacted<A>) => A;
/**
 * Erases the underlying value of a `Redacted` instance, rendering it unusable.
 * This function is intended to ensure that sensitive data does not remain in
 * memory longer than necessary.
 *
 * @example
 * ```ts
 * import * as assert from "node:assert"
 * import { Redacted } from "effect"
 *
 * const API_KEY = Redacted.make("1234567890")
 *
 * assert.equal(Redacted.value(API_KEY), "1234567890")
 *
 * Redacted.unsafeWipe(API_KEY)
 *
 * assert.throws(() => Redacted.value(API_KEY), new Error("Unable to get redacted value"))
 * ```
 *
 * @since 3.3.0
 * @category unsafe
 */
export declare const unsafeWipe: <A>(self: Redacted<A>) => boolean;
/**
 * Generates an equivalence relation for `Redacted<A>` values based on an
 * equivalence relation for the underlying values `A`. This function is useful
 * for comparing `Redacted` instances without exposing their contents.
 *
 * @example
 * ```ts
 * import * as assert from "node:assert"
 * import { Redacted, Equivalence } from "effect"
 *
 * const API_KEY1 = Redacted.make("1234567890")
 * const API_KEY2 = Redacted.make("1-34567890")
 * const API_KEY3 = Redacted.make("1234567890")
 *
 * const equivalence = Redacted.getEquivalence(Equivalence.string)
 *
 * assert.equal(equivalence(API_KEY1, API_KEY2), false)
 * assert.equal(equivalence(API_KEY1, API_KEY3), true)
 * ```
 *
 * @category equivalence
 * @since 3.3.0
 */
export declare const getEquivalence: <A>(isEquivalent: Equivalence.Equivalence<A>) => Equivalence.Equivalence<Redacted<A>>;
//# sourceMappingURL=Redacted.d.ts.map

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