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<a href="../../index.html">all files</a> / <a href="index.html">modules/utils/</a> parseMediaValue.js
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">/**
* Parses a media value string including parameters and returns an object
* containing the type, subtype, and an object of parameters.
*
* parseMediaValue("text/html;level=2;q=0.4") =>
* { type: 'text',
* subtype: 'html',
* params: { level: '2', q: '0.4' } }
*
* parseMediaValue("en-gb;q=0.8", "-") =>
* { type: 'en',
* subtype: 'gb',
* params: { q: '0.8' } }
*
* parseMediaValue("unicode-1-1;q=0.8") =>
* { type: 'unicode-1-1',
* subtype: undefined,
* params: { q: '0.8' } }
*/
function parseMediaValue(value, typeSeparator) {
typeSeparator = typeSeparator || "/";
const parts = value.split(/\s*;\s*/);
const mediaTypes = parts.shift().split(typeSeparator, 2);
const params = parts.reduce(function (memo, part) {
const nameValue = part.split("=", 2);
memo[nameValue[0]] = nameValue[1];
return memo;
}, {});
return {
type: mediaTypes[0],
subtype: mediaTypes[1],
params
};
}
module.exports = parseMediaValue;
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