sort out libs / fix warnings

3 files changed, 9 insertions, 5 deletions

diff --git a/pages/confirm-contract.tsx b/pages/confirm-contract.tsx
index e88336a2d..19b049eb5 100644
--- a/pages/confirm-contract.tsx
+++ b/pages/confirm-contract.tsx
@@ -95,7 +95,7 @@ export function main() {
     }
   };
 
-  m.mount(document.getElementById("contract"), Contract);
+  m.mount(document.getElementById("contract")!, Contract);
 
   function checkPayment() {
     chrome.runtime.sendMessage({type: 'check-pay', detail: {offer}}, (resp) => {
diff --git a/pages/confirm-create-reserve.tsx b/pages/confirm-create-reserve.tsx
index 667323044..0a509118d 100644
--- a/pages/confirm-create-reserve.tsx
+++ b/pages/confirm-create-reserve.tsx
@@ -189,7 +189,7 @@ class Controller {
 }
 
 function view(ctrl: Controller): any {
-  function* f() {
+  function* f(): IterableIterator<any> {
     yield m("p",
             i18n.parts`You are about to withdraw ${m("strong", amountToPretty(
               ctrl.amount))} from your bank account into your wallet.`);
@@ -374,8 +374,8 @@ export function main() {
   getSuggestedExchange(amount.currency)
     .then((suggestedExchangeUrl) => {
       const controller = function () { return new Controller(suggestedExchangeUrl, amount, callback_url, wt_types); };
-      var ExchangeSelection = {controller, view};
-      m.mount(document.getElementById("exchange-selection"), ExchangeSelection);
+      const ExchangeSelection = {controller, view};
+      m.mount(document.getElementById("exchange-selection")!, ExchangeSelection);
     })
     .catch((e) => {
       // TODO: provide more context information, maybe factor it out into a
diff --git a/pages/show-db.ts b/pages/show-db.ts
index 0a3a5bd46..71e74388b 100644
--- a/pages/show-db.ts
+++ b/pages/show-db.ts
@@ -48,6 +48,10 @@ function prettyPrint(obj: any) {
 
 document.addEventListener("DOMContentLoaded", () => {
   chrome.runtime.sendMessage({type: 'dump-db'}, (resp) => {
-    document.getElementById('dump').innerHTML = prettyPrint(resp);
+    const el = document.getElementById('dump');
+    if (!el) {
+      throw Error();
+    }
+    el.innerHTML = prettyPrint(resp);
   });
 });