General improvements for non-Sai conlangs

src/App.tsx

@@ -5,6 +5,31 @@ import {declineSaimiar} from './saimiar_morphology';
 
 const backendUrl = 'https://kucinakobackend.ichigo.everydayimshuflin.com';
 
+enum Conlang {
+    Saimiar = 'sai',
+    Elesu = 'ele',
+    Tukvaysi = 'tuk',
+    Juteyuji = 'jut',
+}
+
+const renderConlang = (conlang: Conlang): string => {
+    if (conlang === Conlang.Saimiar) {
+        return 'Saimiar';
+    }
+
+    if (conlang === Conlang.Elesu) {
+        return 'Elésu';
+    }
+
+    if (conlang === Conlang.Juteyuji) {
+        return 'Juteyuji';
+    }
+
+    if (conlang === Conlang.Tukvaysi) {
+        return 'Tukvaysi';
+    }
+};
+
 function makeRequest(queryString, jsonHandler) {
     const effectiveUrl = `${backendUrl}/${queryString}`;
     fetch(`${effectiveUrl}`)
@@ -14,31 +39,13 @@ function makeRequest(queryString, jsonHandler) {
         });
 }
 
-function renderConlangName(name: string): string {
-    if (name === 'saimiar') {
-        return 'Saimiar';
-    }
-
-    if (name === 'elesu') {
-        return 'Elésu';
-    }
-
-    if (name === 'juteyuji') {
-        return 'Juteyuji';
-    }
-
-    if (name === 'tukvaysi') {
-        return 'Tukvaysi';
-    }
-}
-
 const Entry = (props) => {
     const {conlang} = props;
-    if (conlang === 'saimiar') {
+    if (conlang === Conlang.Saimiar) {
         return <SaiEntry entry={ props.entry } />;
     }
 
-    return <div>Unknown entry type for { conlang }</div>;
+    return <div>Conlang { conlang } not yet supported</div>;
 };
 
 const SaiEntry = (props) => {
@@ -80,7 +87,8 @@ const Results = (props) => {
     const content = () => {
         const {conlang} = props;
         const num = props.searchResults.length;
-        const renderedName = renderConlangName(conlang);
+        console.log(`Conlang is: ${conlang}`);
+        const renderedName = renderConlang(conlang);
         const searchType = (props.direction === 'toConlang') ? `English -> ${renderedName}` : `${renderedName} -> English`;
         const header = (
             <div className="searchResultHeader" key="header">
@@ -102,7 +110,7 @@ const Results = (props) => {
 
 interface App {
     [x: string]: any;
-};
+}
 
 class App extends Component {
     constructor(props) {
@@ -112,17 +120,27 @@ class App extends Component {
 
         this.searchEng = this.searchEng.bind(this);
         this.searchSaimiar = this.searchSaimiar.bind(this);
+        this.searchConlang = this.searchConlang.bind(this);
 
         this.state = {
             searchResults: null,
-            conlang: 'saimiar',
+            conlang: Conlang.Saimiar,
             direction: null,
             searchTerm: null,
         };
     }
 
-    searchSaimiar(_evt) {
+    searchConlang(_evt) {
         const searchTerm = this.input.current.value;
+        const {conlang} = this.state;
+        if (conlang === Conlang.Saimiar) {
+            this.searchSaimiar(searchTerm);
+        } else {
+            console.error(`Conlang ${conlang} not supported`);
+        }
+    }
+
+    searchSaimiar(searchTerm: string) {
         const request = `saimiar?sai=like.*${searchTerm}*`;
         if (searchTerm === '') {
             this.setState({searchResults: null, searchTerm: null, direction: null});
@@ -146,11 +164,19 @@ class App extends Component {
     }
 
     handleLangChange(evt) {
-        const conlang = evt.target.value;
+        const conlang: Conlang = evt.target.value as Conlang;
+        console.log('Conlang in handlelangchange', conlang);
         this.setState({conlang});
     }
 
     render() {
+        const conlangs = [Conlang.Saimiar, Conlang.Elesu, Conlang.Tukvaysi, Conlang.Juteyuji];
+        const langSelectDropdown = (
+            <select ref={ this.langSelection } onChange={ this.handleLangChange } defaultValue={Conlang.Saimiar}>
+                {conlangs.map((conlang) => <option value={conlang} key={conlang}>{renderConlang(conlang)}</option>)}
+            </select>
+        );
+
         return (
             <main>
                 <div className="container">
@@ -160,13 +186,8 @@ class App extends Component {
                             <input className="textInput" type="text" ref={ this.input } />
                         </div>
                         <br/>
-                        <select ref={ this.langSelection } onChange={ this.handleLangChange } defaultValue="saimiar">
-                            <option value="saimiar">Saimiar</option>
-                            <option value="elesu">Elesu</option>
-                            <option value="tukvaysi">Tukvaysi</option>
-                            <option value="juteyuji">Juteyuji</option>
-                        </select>
-                        <button onClick={ this.searchSaimiar } className="searchButton">Saimiar</button>
+                        { langSelectDropdown }
+                        <button onClick={ this.searchConlang } className="searchButton">{renderConlang(this.state.conlang)}</button>
                         <button onClick={ this.searchEng } className="searchButton">English</button>
                     </div>
                     <Results