1 | "use strict";
|
2 |
|
3 | Object.defineProperty(exports, "__esModule", {
|
4 | value: true
|
5 | });
|
6 | exports.default = flatten;
|
7 | function flatten(obj) {
|
8 | var flattened = {};
|
9 |
|
10 | var circlular = [];
|
11 | var circLoc = [];
|
12 |
|
13 | function _route(prefix, value) {
|
14 | var i, len, type, keys, circularCheck, loc;
|
15 |
|
16 | if (value == null) {
|
17 | if (prefix === "") {
|
18 | return;
|
19 | }
|
20 | flattened[prefix] = null;
|
21 | return;
|
22 | }
|
23 | type = typeof value;
|
24 | if (typeof value == "object") {
|
25 | circularCheck = circlular.indexOf(value);
|
26 | if (circularCheck >= 0) {
|
27 | loc = circLoc[circularCheck] || "this";
|
28 | flattened[prefix] = "[Circular (" + loc + ")]";
|
29 | return;
|
30 | }
|
31 | circlular.push(value);
|
32 | circLoc.push(prefix);
|
33 |
|
34 | if (Array.isArray(value)) {
|
35 | len = value.length;
|
36 | if (len == 0) _route(prefix + "[]", null);
|
37 | for (i = 0; i < len; i++) {
|
38 | _route(prefix + "[" + i + "]", value[i]);
|
39 | }
|
40 | return;
|
41 | }
|
42 | keys = Object.keys(value);
|
43 | len = keys.length;
|
44 | if (prefix) prefix = prefix + ".";
|
45 | if (len == 0) _route(prefix, null);
|
46 | for (i = 0; i < len; i++) {
|
47 | _route(prefix + keys[i], value[keys[i]]);
|
48 | }
|
49 | return;
|
50 | }
|
51 | flattened[prefix] = value;
|
52 | }
|
53 |
|
54 | _route("", obj);
|
55 |
|
56 | return flattened;
|
57 | } |
\ | No newline at end of file |