readme improvements WIP

[mikob]

Hi!

Thanks for doing all this great work making rangy up-to-date. Would you mind making the "issues" tab available so more people can collaborate on top of the work you started here?

Also, I want to add support for the TextRange module. Would you be willing to take a PR for that once I get things working?

I tried to get this working but ran into a couple problems:

1. Could not get dev env setup.

• yarn run dev doesn't work.
• yarn tsc:es2018 has the following errors:

$ tsc -b

``` packages/classapplier/src/index.ts:16:22 - error TS2307: Cannot find module '@rangy/core'.

16 import * as api from "@rangy/core";
~~~~~~~~~~~~~

packages/classapplier/src/index.ts:17:27 - error TS2307: Cannot find module '@rangy/core'.

17 import {dom, Module} from "@rangy/core";
~~~~~~~~~~~~~

packages/selectionsaverestore/src/index.ts:16:22 - error TS2307: Cannot find module '@rangy/core'.

16 import * as api from "@rangy/core";
~~~~~~~~~~~~~

packages/selectionsaverestore/src/index.ts:17:37 - error TS2307: Cannot find module '@rangy/core'.

17 import {Module, dom, features} from "@rangy/core";
~~~~~~~~~~~~~

packages/serializer/src/index.ts:22:22 - error TS2307: Cannot find module '@rangy/core'.

22 import * as api from "@rangy/core";
~~~~~~~~~~~~~

packages/serializer/src/index.ts:23:27 - error TS2307: Cannot find module '@rangy/core'.

23 import {dom, Module} from "@rangy/core";
~~~~~~~~~~~~~

packages/util/src/index.ts:15:22 - error TS2307: Cannot find module '@rangy/core'.

15 import * as api from "@rangy/core";
~~~~~~~~~~~~~

packages/util/src/index.ts:20:8 - error TS2307: Cannot find module '@rangy/core'.

20 } from "@rangy/core";
~~~~~~~~~~~~~

packages/util/src/index.ts:26:14 - error TS2339: Property 'deleteFromDocument' does not exist on type 'WrappedSelection'.

26 this.deleteFromDocument();
~~~~~~~~~~~~~~~~~~

packages/util/src/index.ts:27:26 - error TS2339: Property 'getRangeAt' does not exist on type 'WrappedSelection'.

27 var range = this.getRangeAt(0);
~~~~~~~~~~

packages/util/src/index.ts:30:14 - error TS2339: Property 'setSingleRange' does not exist on type 'WrappedSelection'.

30 this.setSingleRange(range);
~~~~~~~~~~~~~~

packages/util/src/index.ts:34:14 - error TS2339: Property 'deleteFromDocument' does not exist on type 'WrappedSelection'.

34 this.deleteFromDocument();
~~~~~~~~~~~~~~~~~~

packages/util/src/index.ts:35:28 - error TS2339: Property 'getRangeAt' does not exist on type 'WrappedSelection'.

35 const range = this.getRangeAt(0);
~~~~~~~~~~

packages/util/src/index.ts:42:14 - error TS2339: Property 'setSingleRange' does not exist on type 'WrappedSelection'.

42 this.setSingleRange(range);
~~~~~~~~~~~~~~

packages/util/src/index.ts:46:42 - error TS2339: Property 'win' does not exist on type 'WrappedSelection'.

46 var range = api.createRange(this.win);
~~~

packages/util/src/index.ts:48:14 - error TS2339: Property 'setSingleRange' does not exist on type 'WrappedSelection'.

48 this.setSingleRange(range);
~~~~~~~~~~~~~~

packages/util/src/index.ts:54:14 - error TS2339: Property 'deleteContents' does not exist on type 'DomRange'.

54 this.deleteContents();
~~~~~~~~~~~~~~

packages/util/src/index.ts:55:29 - error TS2339: Property 'getDocument' does not exist on type 'DomRange'.

55 var textNode = this.getDocument().createTextNode(text);
~~~~~~~~~~~

packages/util/src/index.ts:56:14 - error TS2339: Property 'insertNode' does not exist on type 'DomRange'.

56 this.insertNode(textNode);
~~~~~~~~~~

packages/util/src/index.ts:60:14 - error TS2339: Property 'deleteContents' does not exist on type 'DomRange'.

60 this.deleteContents();
~~~~~~~~~~~~~~

packages/util/src/index.ts:61:25 - error TS2339: Property 'createContextualFragment' does not exist on type 'DomRange'.

61 var frag = this.createContextualFragment(html);
~~~~~~~~~~~~~~~~~~~~~~~~

packages/util/src/index.ts:62:14 - error TS2339: Property 'insertNode' does not exist on type 'DomRange'.

62 this.insertNode(frag);
~~~~~~~~~~

packages/util/src/index.ts:110:38 - error TS2554: Expected 0 arguments, but got 2.

110 const sel = new WrappedSelection(nativeSel, window)
~~~~~~~~~~~~~~~~~

error TS6053: File '/home/mikob/scratchspace/rangy/packages/test-util/tsconfig.json' not found.

</p>
</details>

2. Can't get the createClassApplier to work. I don't see this in the build, but it's in the src.

[abohomol]

LGT