VS Code:如何将片段占位符转换为大写或小写? [英] VS Code: How to convert snippet placeholder to uppercase or lowercase?

问题描述

在 VS Code 中，用于创建用户定义代码段的文档提到了一些Grammar 包括 /upcase、/downcase 的选项 和 /capitalize，但我不知道如何使用它.

In VS Code, the docs for creating user defined snippets mentions some Grammar which includes options for /upcase, /downcase, and /capitalize, but I can't figure out how to use it.

我在 Mac 上使用最新版本的 VS Code:Version 1.25.0.

I'm using the latest version of VS Code: Version 1.25.0 on Mac.

似乎这个代码段应该在输入并点击 tab 后将占位符的值转换为大写和小写，但它没有:

It seems like this snippet should convert the value of the placeholder to uppercase and to lowercase after typing it and hitting tab, but it doesn’t:

"test": {
    "prefix": "test",
    "body": "${1} -> ${1:/upcase} ${1:/downcase}"
},

流程和预期结果

1. 输入 test
2. 点击 tab 获取代码片段.

3. 输入 Asdf 得到:

1. type test
2. hit tab to get the snippet.

3. type Asdf to result in:

Asdf -> Asdf Asdf

点击 tab 以获得预期结果:

Asdf -> ASDF asdf

当前结果

asdf -> asdf asdf

推荐答案

试试这个:

"test": {
    "prefix": "test",
    // "body": "${1} -> ${1/(.*)/${1:/upcase}/} > ${1/(.*)/${1:/downcase}/}"
    // simpler version below works too
    "body": "${1} -> ${1/(.*)/${1:/upcase} ${1:/downcase}/}"
}

您需要点击 Tab 来应用转换.

You need to hit Tab to apply the transformation.

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