Converted to TypeScript

* Added lazy build

createIconSet.js

@@ -1,65 +0,0 @@
-import React from 'react';
-import { Text } from 'react-native';
-import * as Font from 'expo-font';
-import createIconSet from './vendor/react-native-vector-icons/lib/create-icon-set';
-import createIconButtonComponent from './vendor/react-native-vector-icons/lib/icon-button';
-
-export default function(glyphMap, fontName, expoAssetId) {
-  const font = { [fontName]: expoAssetId };
-  const RNVIconComponent = createIconSet(glyphMap, fontName);
-
-  class Icon extends React.Component {
-    static propTypes = RNVIconComponent.propTypes;
-    static defaultProps = RNVIconComponent.defaultProps;
-
-    state = {
-      fontIsLoaded: Font.isLoaded(fontName),
-    };
-
-    async componentWillMount() {
-      this._mounted = true;
-      if (!this.state.fontIsLoaded) {
-        await Font.loadAsync(font);
-        this._mounted && this.setState({ fontIsLoaded: true });
-      }
-    }
-
-    componentWillUnmount() {
-      this._mounted = false;
-    }
-
-    setNativeProps(props) {
-      if (this._icon) {
-        this._icon.setNativeProps(props);
-      }
-    }
-
-    render() {
-      if (!this.state.fontIsLoaded) {
-        return <Text />;
-      }
-
-      return (
-        <RNVIconComponent
-          ref={view => {
-            this._icon = view;
-          }}
-          {...this.props}
-        />
-      );
-    }
-  }
-
-  function getRawGlyphMap() {
-    return glyphMap;
-  }
-
-  Icon.Button = createIconButtonComponent(Icon);
-  Icon.glyphMap = glyphMap;
-  Icon.getRawGlyphMap = getRawGlyphMap;
-  Icon.getFontFamily = () => fontName;
-  Icon.loadFont = () => Font.loadAsync(font);
-  Icon.font = font;
-
-  return Icon;
-}