@nomicfoundation/hardhat-chai-matchers/utils.d.ts

Hardhat utils for testing

export type Ssfi = (...args: any[]) => any;
type Message = string | (() => string);
/**
 * This function is used by the matchers to obtain an `assert` function, which
 * should be used instead of `this.assert`.
 *
 * The first parameter is the value of the `negated` flag. Keep in mind that
 * this value should be captured at the beginning of the matcher's
 * implementation, before any async code is executed. Otherwise things like
 * `.to.emit().and.not.to.emit()` won't work, because by the time the async part
 * of the first emit is executed, the `.not` (executed synchronously) has already
 * modified the flag.
 *
 * The second parameter is what Chai calls the "start stack function indicator",
 * a function that is used to build the stack trace. It's unclear to us what's
 * the best way to use this value, so this needs some trial-and-error. Use the
 * existing matchers for a reference of something that works well enough.
 */
export declare function buildAssert(negated: boolean, ssfi: Ssfi): (condition: boolean, _messageFalse?: Message | undefined, messageTrue?: Message | undefined) => void;
export type AssertWithSsfi = ReturnType<typeof buildAssert>;
export {};
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