I have a courses object and I want to filter it by checking if it's classes array has a null location or not. However, if the classes array has at least one object that doesn't have a null location then it should be returned. Here's an example object that I'm working on:
courses: [
{
title: "Introduction to English 101",
classes: [{
location: null,
endDate: "2016-03-25T22:00:00.000Z",
startDate: "2016-03-23T22:00:00.000Z",
}]
},
{
title: "Introduction to Japanese 101",
classes: [{
location: {
city: "Paris",
},
endDate: "2016-03-25T22:00:00.000Z",
startDate: "2016-03-23T22:00:00.000Z",
}]
},
{
title: "Introduction to Spanish 101",
classes: [{
location: null,
startDate: "2016-02-23T10:11:35.786Z",
endDate: "2016-02-23T12:11:35.786Z",
},
{
location: {
city: "Montreal",
},
startDate: "2016-04-01T10:11:35.786Z",
endDate: "2016-04-15T10:11:35.786Z",
}],
}
]
and here's the result I expect to get:
courses: [
{
title: "Introduction to Japanese 101",
classes: [{
location: {
city: "Paris",
},
endDate: "2016-03-25T22:00:00.000Z",
startDate: "2016-03-23T22:00:00.000Z",
}]
},
{
title: "Introduction to Spanish 101",
classes: [{
location: null,
startDate: "2016-02-23T10:11:35.786Z",
endDate: "2016-02-23T12:11:35.786Z",
},
{
location: {
city: "Montreal",
},
startDate: "2016-04-01T10:11:35.786Z",
endDate: "2016-04-15T10:11:35.786Z",
}],
}
]
I just can't get my mind wrapped around how to filter this due to the nested structure of the objects. Any help would be greatly appreciated!