nonblock-statement-body-position

强制执行单行语句的位置

一些该规则报告的问题可以通过 --fix 命令行选项 自动修复

在编写 if、else、while、do-while 和 for 语句时，主体可以是单个语句而不是块。为这些单个语句强制执行一致的位置可能很有用。

例如，一些开发人员避免编写这样的代码：

if (foo)
  bar();

如果其他开发人员尝试将 baz(); 添加到 if 语句中，他们可能会错误地将代码更改为

if (foo)
  bar();
  baz(); // this line is not in the `if` statement!

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if (foo) bar();

规则详情

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选项

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/* eslint nonblock-statement-body-position: ["error", "beside"] */

if (foo)
  bar();
else
  baz();

while (foo)
  bar();

for (let i = 1; i < foo; i++)
  bar();

do
  bar();
while (foo)

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/* eslint nonblock-statement-body-position: ["error", "beside"] */

if (foo) bar();
else baz();

while (foo) bar();

for (let i = 1; i < foo; i++) bar();

do bar(); while (foo)

if (foo) { // block statements are always allowed with this rule
  bar();
} else {
  baz();
}

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/* eslint nonblock-statement-body-position: ["error", "below"] */

if (foo) bar();
else baz();

while (foo) bar();

for (let i = 1; i < foo; i++) bar();

do bar(); while (foo)

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/* eslint nonblock-statement-body-position: ["error", "below"] */

if (foo)
  bar();
else
  baz();

while (foo)
  bar();

for (let i = 1; i < foo; i++)
  bar();

do
  bar();
while (foo)

if (foo) {
  // Although the second `if` statement is on the same line as the `else`, this is a very common
  // pattern, so it's not checked by this rule.
} else if (bar) {
}

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/* eslint nonblock-statement-body-position: ["error", "beside", { "overrides": { "while": "below" } }] */

if (foo)
  bar();

while (foo) bar();

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/* eslint nonblock-statement-body-position: ["error", "beside", { "overrides": { "while": "below" } }] */

if (foo) bar();

while (foo)
  bar();

何时不使用

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