严格断言模式

\Strict assertion mode

在严格断言模式下,非严格方法的行为与其对应的严格方法相同。例如,assert.deepEqual() 的行为类似于 assert.deepStrictEqual()。

\In strict assertion mode, non-strict methods behave like their corresponding strict methods. For example, assert.deepEqual() will behave like assert.deepStrictEqual().

在严格断言模式下,对象的错误消息显示差异。在旧版断言模式下,对象的错误消息显示对象,通常被截断。

\In strict assertion mode, error messages for objects display a diff. In legacy assertion mode, error messages for objects display the objects, often truncated.

使用严格断言模式:

\To use strict assertion mode:

import { strict as assert } from 'node:assert';const assert = require('node:assert').strict;拷贝

import assert from 'node:assert/strict';const assert = require('node:assert/strict');拷贝

错误差异的示例:

\Example error diff:

import { strict as assert } from 'node:assert';
assert.deepEqual([[[1, 2, 3]], 4, 5], [[[1, 2, '3']], 4, 5]);
// AssertionError: Expected inputs to be strictly deep-equal:
// + actual - expected ... Lines skipped
//
// [
// [
// ...
// 2,
// + 3
// - '3'
// ],
// ...
// 5
// ]const assert = require('node:assert/strict');
assert.deepEqual([[[1, 2, 3]], 4, 5], [[[1, 2, '3']], 4, 5]);
// AssertionError: Expected inputs to be strictly deep-equal:
// + actual - expected ... Lines skipped
//
// [
// [
// ...
// 2,
// + 3
// - '3'
// ],
// ...
// 5
// ]拷贝

要停用颜色,则使用 NO_COLOR 或 NODE_DISABLE_COLORS 环境变量。这也将停用交互式解释器中的颜色。有关终端环境中颜色支持的更多信息,请读阅终端 getColorDepth() 文档。

\To deactivate the colors, use the NO_COLOR or NODE_DISABLE_COLORS environment variables. This will also deactivate the colors in the REPL. For more on color support in terminal environments, read the tty getColorDepth() documentation.