diff --git a/app/utils/dictionary/age-groups.js b/app/utils/dictionary/age-groups.ts
similarity index 100%
rename from app/utils/dictionary/age-groups.js
rename to app/utils/dictionary/age-groups.ts
diff --git a/app/utils/dictionary/amazon-s3-regions.js b/app/utils/dictionary/amazon-s3-regions.ts
similarity index 100%
rename from app/utils/dictionary/amazon-s3-regions.js
rename to app/utils/dictionary/amazon-s3-regions.ts
diff --git a/app/utils/dictionary/demography.js b/app/utils/dictionary/demography.ts
similarity index 99%
rename from app/utils/dictionary/demography.js
rename to app/utils/dictionary/demography.ts
index 6c507879e6b..3bcca85dc48 100644
--- a/app/utils/dictionary/demography.js
+++ b/app/utils/dictionary/demography.ts
@@ -1,8 +1,6 @@
 /**
  * Using a lean list of countries instead of an external dependency.
  * All the libraries have a lot of extra data which is of no use to us at this point and unnecessarily takes up more space.
- *
- * @type {[*]}
  */
 export const countries = [
   {
diff --git a/app/utils/dictionary/event.js b/app/utils/dictionary/event.ts
similarity index 100%
rename from app/utils/dictionary/event.js
rename to app/utils/dictionary/event.ts
diff --git a/app/utils/dictionary/filters.ts b/app/utils/dictionary/filters.ts
new file mode 100644
index 00000000000..ad0b22e756f
--- /dev/null
+++ b/app/utils/dictionary/filters.ts
@@ -0,0 +1,36 @@
+export const getDateRanges = function(this: any) {
+  return [
+    {
+      name : this.l10n.t('All Dates'),
+      key  : 'all_dates'
+    },
+    {
+      name : this.l10n.t('Today'),
+      key  : 'today'
+    },
+    {
+      name : this.l10n.t('Tomorrow'),
+      key  : 'tomorrow'
+    },
+    {
+      name : this.l10n.t('This week'),
+      key  : 'this_week'
+    },
+    {
+      name : this.l10n.t('This Weekend'),
+      key  : 'this_weekend'
+    },
+    {
+      name : this.l10n.t('Next week'),
+      key  : 'next_week'
+    },
+    {
+      name : this.l10n.t('This Month'),
+      key  : 'this_month'
+    },
+    {
+      name : this.l10n.t('Custom dates'),
+      key  : 'custom_dates'
+    }
+  ];
+};
diff --git a/app/utils/dictionary/genders.js b/app/utils/dictionary/genders.ts
similarity index 100%
rename from app/utils/dictionary/genders.js
rename to app/utils/dictionary/genders.ts
diff --git a/app/utils/dictionary/languages.js b/app/utils/dictionary/languages.ts
similarity index 100%
rename from app/utils/dictionary/languages.js
rename to app/utils/dictionary/languages.ts
diff --git a/app/utils/dictionary/licenses.js b/app/utils/dictionary/licenses.ts
similarity index 93%
rename from app/utils/dictionary/licenses.js
rename to app/utils/dictionary/licenses.ts
index 34ffb3ada06..04aac40dd21 100644
--- a/app/utils/dictionary/licenses.js
+++ b/app/utils/dictionary/licenses.ts
@@ -1,4 +1,11 @@
-export const licenses = [
+export interface License {
+  name: string,
+  link: string,
+  imageSrc: string,
+  logoUrl: string | null
+}
+
+export const licenses: License[] = [
   {
     name     : 'Attribution-NonCommercial-NoDerivs',
     link     : 'https://creativecommons.org/licenses/by-nc-nd/4.0',
diff --git a/app/utils/dictionary/payment.js b/app/utils/dictionary/payment.ts
similarity index 95%
rename from app/utils/dictionary/payment.js
rename to app/utils/dictionary/payment.ts
index ac52f14b152..fefc5064dc3 100644
--- a/app/utils/dictionary/payment.js
+++ b/app/utils/dictionary/payment.ts
@@ -1,6 +1,17 @@
 export const paymentCountries = ['US', 'AL', 'AR', 'AU', 'AT', 'BE', 'BR', 'CA', 'CY', 'CZ', 'DK', 'EE', 'FI', 'FR', 'DE', 'GR', 'HK', 'HU', 'IE', 'IL', 'IN', 'IT', 'JP', 'LV', 'LT', 'LU', 'MY', 'MT', 'MX', 'NL', 'NZ', 'NO', 'PH', 'PL', 'PT', 'SG', 'SK', 'SI', 'ES', 'SE', 'CH', 'TW', 'GB'];
 
-export const paymentCurrencies = [
+export interface PaymentCurrency {
+  code: string,
+  symbol: string,
+  name: string,
+  paypal: boolean,
+  stripe: boolean,
+  alipay: boolean,
+  omise: boolean,
+  paytm: boolean
+}
+
+export const paymentCurrencies: PaymentCurrency[] = [
   {
     paypal : true,
     code   : 'PLN',