[英]filter array of objects based on list of values
I have an array as following我有一个数组如下
array = [
{
name: 'A'
instructors: [
{
name:'InsA'
}
]
businessUnit: {name:'myBusiness'}
},
{
name: 'B'
instructors: [
{
name:'InsB'
}
]
businessUnit: {name:'myBusinessB'}
}
]
I want to filter this array with the values i have which are also in an array as following我想用我拥有的值过滤这个数组,这些值也在一个数组中,如下所示
nameArr = [A,C,D]
instructorArr = [InsA,InsC,InsZ]
businessName = [myBusinessB,myBusinessX,myBusinessD]
If can filter this array if i have to check with just one value as following如果我只需要检查一个值,是否可以过滤此数组,如下所示
const filtered = _.filter(groupActivityList, (obj) => {
return (
obj.name === (groupClassFilter !== defaultFilter ? groupClassFilter : obj.name) &&
obj.instructors.length > 0 &&
obj.instructors[0]?.name ===
(groupInstructorFilter !== defaultFilter
? groupInstructorFilter
: obj.instructors.length > 0 && obj.instructors[0]?.name) &&
obj.businessUnit.name ===
(groupFacilityFilter !== defaultFilter ? groupFacilityFilter : obj.businessUnit.name)
);
});
How do i filter when i have a set of values to filter with Ex: nameArr = [A,C,D]
当我有一组值要过滤时,我如何过滤 Ex:
nameArr = [A,C,D]
An example for filtering the array using Array.prototype.some
and Array.prototype.includes
:使用
Array.prototype.some
和Array.prototype.includes
过滤数组的示例:
const array = [{ name: 'A', instructors: [{ name: 'InsA' }], businessUnit: { name: 'myBusinessA' } }, { name: 'B', instructors: [{ name: 'InsB' }], businessUnit: { name: 'myBusinessB' } }, { name: 'Z', instructors: [{ name: 'InsZZ' }], businessUnit: { name: 'myBusinessZZ' } } ]; const nameArr = ['A', 'C', 'D'] const instructorArr = ['InsA', 'InsC', 'InsZ'] const businessName = ['myBusinessB', 'myBusinessX', 'myBusinessD', 'myBusinessA'] const filtered = array.filter(el => nameArr.includes(el.name) && el.instructors.some(ins => instructorArr.some(iA => ins.name === iA)) && businessName.includes(el.businessUnit.name) ); console.log(filtered);
You can use the Array#some property, if I understand the question correctly.如果我正确理解问题,您可以使用Array#some属性。
Instead of checking obj.name === filterObj.name
, you can check with fiterObj.names.some(name => name === obj.name)
which will return true if any of the elements inside the namesArr
matches the object's name代替检查
obj.name === filterObj.name
,您可以使用fiterObj.names.some(name => name === obj.name)
进行检查,如果namesArr
中的任何元素与对象的名称匹配,它将返回 true
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