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45 lines
1.1 KiB
Markdown
45 lines
1.1 KiB
Markdown
## Caseless -- wrap an object to set and get property with caseless semantics but also preserve caseing.
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This library is incredibly useful when working with HTTP headers. It allows you to get/set/check for headers in a caseless manner while also preserving the caseing of headers the first time they are set.
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## Usage
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```javascript
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var headers = {}
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, c = caseless(headers)
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;
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c.set('a-Header', 'asdf')
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c.get('a-header') === 'asdf'
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```
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## has(key)
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Has takes a name and if it finds a matching header will return that header name with the preserved caseing it was set with.
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```javascript
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c.has('a-header') === 'a-Header'
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```
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## set(key, value[, clobber=true])
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Set is fairly straight forward except that if the header exists and clobber is disabled it will add `','+value` to the existing header.
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```javascript
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c.set('a-Header', 'fdas')
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c.set('a-HEADER', 'more', false)
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c.get('a-header') === 'fdsa,more'
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```
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## swap(key)
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Swaps the casing of a header with the new one that is passed in.
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```javascript
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var headers = {}
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, c = caseless(headers)
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;
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c.set('a-Header', 'fdas')
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c.swap('a-HEADER')
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c.has('a-header') === 'a-HEADER'
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headers === {'a-HEADER': 'fdas'}
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```
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