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37 lines
1.2 KiB
Markdown
37 lines
1.2 KiB
Markdown
12 months ago
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# Validate XML Names and Qualified Names
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This package simply tells you whether or not a string matches the [`Name`](http://www.w3.org/TR/xml/#NT-Name) or [`QName`](http://www.w3.org/TR/xml-names/#NT-QName) productions in the XML Namespaces specification. We use it for implementing the [validate](https://dom.spec.whatwg.org/#validate) algorithm in jsdom, but you can use it for whatever you want.
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## Usage
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This package's main module's default export takes a string and will return an object of the form `{ success, error }`, where `success` is a boolean and if it is `false`, then `error` is a string containing some hint as to where the match went wrong.
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```js
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"use strict":
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var xnv = require("xml-name-validator");
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var assert = require("assert");
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// Will return { success: true, error: undefined }
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xnv.name("x");
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xnv.name(":");
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xnv.name("a:0");
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xnv.name("a:b:c");
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// Will return { success: false, error: <an explanatory string> }
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xnv.name("\\");
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xnv.name("'");
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xnv.name("0");
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xnv.name("a!");
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// Will return { success: true, error: undefined }
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xnv.qname("x");
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xnv.qname("a0");
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xnv.qname("a:b");
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// Will return { success: false, error: <an explanatory string> }
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xnv.qname(":a");
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xnv.qname(":b");
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xnv.qname("a:b:c");
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xnv.qname("a:0");
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```
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