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@sarunw
Forked from danfascia/11ty_contains.js
Created July 27, 2019 11:57
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11ty filter to filter a collection (array) by key:value pair - used to filter on custom taxonomies other than tags (source: https://paulrobertlloyd.com/)
/**
* Select objects in array whose key includes a value
*
* @param {Array} arr Array to test
* @param {String} key Key to inspect
* @param {String} value Value key needs to include
* @return {String} Filtered array
*
*/
module.exports = function (arr, key, value) {
return arr.filter(item => {
const keys = key.split('.');
const reduce = keys.reduce((object, key) => {
return object[key];
}, item);
const str = String(reduce);
return (str.includes(value) ? item : false);
});
};
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