1 var data = {
2 customers: [{
3 id: 1,
4 firstname: 'John',
5 lastname: 'Smith',
6 sex: 'male'
7 }, {
8 id: 2,
9 firstname: 'Jessica',
10 lastname: 'Johnson',
11 sex: 'female'
12 }, {
13 id: 3,
14 firstname: 'Michael',
15 lastname: 'Williams',
16 sex: 'male'
17 }, {
18 id: 4,
19 firstname: 'Amber',
20 lastname: 'Davis',
21 sex: 'female'
22 }],
23 address: [{
24 id: 1,
25 address: 'ynkm'
26 }, {
27 id: 2,
28 address: 'ynyx'
29 }]
30 };
31
32 var enumerable=Enumerable.from(data.customers);
33
34 enumerable.groupBy("$.firstname.charAt(0)", "x=>x.firstname").forEach(function(group) {
35 console.log(group.key());
36 group.forEach(function(aaa) {
37 console.log(aaa);
38 });
39 });
40
41
42 enumerable.groupBy("$.firstname.charAt(0)", "","key,group=>key+'-'+group.select('$.firstname').toJoinedString(',')").forEach(function(group) {
43 console.log(group);
44 });
45
46 enumerable.toLookup("$.sex","$.firstname").toEnumerable().forEach(function(group) {
47 console.log(group.key());
48 group.orderBy().forEach(function(aaa) {
49 console.log(aaa);
50 });
51 });
52
53 console.log(enumerable.toDictionary("$.firstname").get("Richard"));
54 console.log(enumerable.toObject("$.firstname")["Richard"]);
55
56 var enumerable2=Enumerable.from(data.address);
57 //inner join
58 enumerable.join(enumerable2, "$.id", "$.id", "outer,inner=>{'id':outer.id,'firstname':outer.firstname,'address':inner.address}").forEach(function(aaa) {
59 console.log(aaa);
60 });
61
62 enumerable.groupJoin(enumerable2, "$.id", "$.id", "outer,inner=>{'id':outer.id,'firstname':outer.firstname,'address':inner&&inner.address||''}").forEach(function(aaa) {
63 console.log(aaa);
64 });
