如何将Javascript属性列表转换为对象列表

Question

I have a list of properties like this

[{"ID":"0"},{"Day":""},{"Time":""},{"Type":"Both"},{"Status":"false"},
 {"ID":"0"},{"Day":""},{"Time":""},{"Type":"Both"},{"Status":"false"}]

I would like to convert them to something like this

[{"ID":"0","Day":"","Time":"","Type":"Both","Status":"false"},
{"ID":"0","Day":"","Time":"","Type":"Both","Status":"false"}]

This is one problem that i face nearly everytime converting a form to json and submitting it to a controller with complex type.

Answer 1

You could check if an object contains the key ID and build a new object with all following objects.

 var data = [{ ID: "0" }, { Day: "" }, { Time: "" }, { Type: "Both" }, { Status: "false" }, { ID: "0" }, { Day: "" }, { Time: "" }, { Type: "Both" }, { Status: "false" }], result = data.reduce(function (r, o) { if ('ID' in o) { r.push(Object.assign({}, o)); } else { Object.assign(r[r.length - 1], o); } return r; }, []); console.log(result); 

 .as-console-wrapper { max-height: 100% !important; top: 0; } 

Answer 2

That is one weird input,..

With the following I'm assuming there is always an ID, and it comes first. As that data structure has no way of splitting the properties.

 var a = [{"ID":"0"},{"Day":""},{"Time":""},{"Type":"Both"},{"Status":"false"}, {"ID":"0"},{"Day":""},{"Time":""},{"Type":"Both"},{"Status":"false"}]; var ret = [], c = null; a.forEach((r) => { if (r.ID) { c = {}; ret.push(c); } let k = Object.keys(r)[0]; c[k] = r[k]; }); console.log(ret);