Fix prettify script and run prettier

components/Footer.tsx

@@ -23,7 +23,7 @@ export function Footer() {
     <footer>
       <div className="sponsors">
         <div className="sponsors__label">Yhteistyössä</div>
-        {sponsors.map(sponsor => (
+        {sponsors.map((sponsor) => (
           <SponsorLink key={sponsor.name} {...sponsor} />
         ))}
       </div>

components/InviteForm.tsx

@@ -12,7 +12,7 @@ export default class InviteForm extends React.Component {
     error: null,
   };
 
-  onSubmit = async e => {
+  onSubmit = async (e) => {
     e.preventDefault();
 
     this.setState({
@@ -35,11 +35,11 @@ export default class InviteForm extends React.Component {
     this.setState({ submitted: true, sending: false });
   };
 
-  handleError = err => {
+  handleError = (err) => {
     this.setState({ error: err, sending: false });
   };
 
-  onChange = e => {
+  onChange = (e) => {
     if (e.target.value === this.state.email) {
       return;
     }

components/Members.tsx

@@ -20,7 +20,7 @@ export default class Members extends React.Component {
   }
 
   render() {
-    const members = this.state.members.map(member => {
+    const members = this.state.members.map((member) => {
       const src = `${member.avatar_url}&s=120`;
       return (
         <img className="member" key={member.avatar_url} src={src} alt="" />

components/feed-transformers.ts

@@ -13,7 +13,7 @@ const templateSettings = {
 
 export default {
   github(items) {
-    return items.filter(isVisibleGithubEvent).map(item => {
+    return items.filter(isVisibleGithubEvent).map((item) => {
       const template = lodashTemplate(
         githubEvent.parse(item).text,
         templateSettings,
@@ -49,7 +49,7 @@ export default {
     });
   },
   twitter(items) {
-    return items.map(item => {
+    return items.map((item) => {
       if (item.retweeted) {
         item = item.retweeted_status;
       }

components/membership/MembershipInfoForm.tsx

@@ -76,7 +76,7 @@ export default class MembershipInfoForm extends React.Component<Props, State> {
     }
   };
 
-  onChange = e => {
+  onChange = (e) => {
     const name = e.target.name;
     if (e.target.value === this.state[name]) {
       return;
@@ -88,7 +88,7 @@ export default class MembershipInfoForm extends React.Component<Props, State> {
         [name]: e.target.value,
       },
       pristineFields: this.state.pristineFields.filter(
-        fieldName => fieldName !== name
+        (fieldName) => fieldName !== name
       ),
       errors: [],
     });
@@ -97,7 +97,7 @@ export default class MembershipInfoForm extends React.Component<Props, State> {
   getDataErrors = () => {
     const foundErrors = [];
 
-    Object.keys(this.state.fields).forEach(fieldName => {
+    Object.keys(this.state.fields).forEach((fieldName) => {
       if (!this.state[fieldName]) {
         foundErrors.push({ field: fieldName, type: "missing" });
       }
@@ -123,10 +123,11 @@ export default class MembershipInfoForm extends React.Component<Props, State> {
     function getErrorMessage(err) {
       let feedbackText;
 
+      const fieldName = fieldNameTranslations[err.field].fi;
       if (err.type === "missing") {
-        feedbackText = `${fieldNameTranslations[err.field].fi} on pakollinen.`;
+        feedbackText = `${fieldName} on pakollinen.`;
       } else if (err.type === "invalid") {
-        feedbackText = `${fieldNameTranslations[err.field].fi} on virheellinen.`;
+        feedbackText = `${fieldName} on virheellinen.`;
       }
 
       return (
@@ -138,12 +139,12 @@ export default class MembershipInfoForm extends React.Component<Props, State> {
 
     /* generate error messages */
     const visibleErrors = inputErrors.filter(
-      error => this.state.pristineFields.indexOf(error.field) === -1
+      (error) => this.state.pristineFields.indexOf(error.field) === -1
     );
 
     const fieldsWithErrors = visibleErrors.map(({ field }) => field);
 
-    const inputFields = Object.keys(this.state.fields).map(fieldName => {
+    const inputFields = Object.keys(this.state.fields).map((fieldName) => {
       const inputClasses = classSet({
         input: true,
         "has-error": fieldsWithErrors.includes(fieldName),