RaviGprec

Results 3 issues of RaviGprec

Hi Everyone, I'm just trying to getting the below error when I tried implementing the tree using ng2-tree. ![image](https://user-images.githubusercontent.com/35065303/45540246-8dfae480-b829-11e8-8de3-8f19b4bfd0cd.png)

For example, The current Treemodel is like ![image](https://user-images.githubusercontent.com/35065303/45599568-77ac7e80-ba0b-11e8-8215-544c0509a689.png) But my requirement is like ![image](https://user-images.githubusercontent.com/35065303/45599576-96ab1080-ba0b-11e8-8ce5-e665e71579b3.png) I know it's not the right to ask this question but I don't where to ask.(Sorry...

Simply `const safeJsonStringify = require('safe-json-stringify');` doesn't work in Angular 4. Because we have import statements in Angular 2, 4+ vesrion. `require()` is not supported any more. If `stringify` is exported...