earljs/dist/errors/AssertionError.js

Ergonomic, modern and type-safe assertion library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.AssertionError = void 0;
const os_1 = require("os");
/**
 * Assertion error containing optional info about actual / expected value which
 * can be used by test runners like Mocha to pretty print.
 */
class AssertionError extends Error {
    constructor(options) {
        let message = options.message;
        if (options.extraMessage) {
            message += os_1.EOL + 'Extra message: ' + options.extraMessage;
        }
        super(message);
        this.name = 'AssertionError';
        this.actual = options.actual;
        this.expected = options.expected;
        this.stack = `${this.name}: ${this.message}\n${options.stack}`;
    }
    static getCleanStack() {
        // .<validator>, .getControl, new Control, .getCleanStack
        const entriesToRemove = 4;
        const stack = new Error('message').stack;
        if (stack && stack.startsWith('Error: message\n')) {
            return stack
                .split('\n')
                .slice(entriesToRemove + 1)
                .join('\n');
        }
        return stack !== null && stack !== void 0 ? stack : '';
    }
}
exports.AssertionError = AssertionError;