某些位置的代码段变量转换 [英] Snippet variable transform in some locations

问题描述

例如：

export const setVisibilityFilter = (filter) => ({
  type: 'SET_VISIBILITY_FILTER',
  filter
})

函数 setVisibilityFilter 的名称带有camelCase。在书面版本中，下划线大写字符相同： SET_VISIBILITY_FILTER

The name of the function setVisibilityFilter has camelCase. The same in the written version in uppercase characters separated by underscores: SET_VISIBILITY_FILTER

我要制作一个摘录它。我希望在snippet变量中输入任何文本之后，第二个位置是用该文本创建由下划线分隔的大写字符。

I want to make a snippet out of it. I want that after entering any text in the snippet variable, in the second place the uppercase characters separated by underscores were created from this text.

这样，我不必第二次写，只能用大写字母写...

So that I do not have to write it for the second time, only in large letters ...

是否有可能在摘要中以及如何做到？

Is it possible in a snippet and how to do it?

推荐答案

vscode 1.25确实在代码段制表符上添加了转换，因此无需预先选择。此版本有效，并且可以使用任意数量的camelCase单词，例如 camelCase ， camelCaseCaseCase 等。

vscode 1.25 did add transforms on snippet tabstops, so no need for a pre-selection. This version works, and with any number of camelCase words, like "camelCase", "camelCaseCaseCase", etc.

"test3": {
    "prefix": "seps",
    "body": [
        "export const $1 = (filter) => ({",
            "type: '${1/([a-z]*)(([A-Z])+([a-z]+))?/${1:/upcase}${2:+_}$3${4:/upcase}/g}',",
            "filter",
        "})"
    ],
    "description": "underscore separators"
}

请参见我的类似答案从camelCase转换为所有CAPS_WITH_SEPARATORS

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