diff --git a/eslint.config.js b/eslint.config.js
index 8727377..582b800 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -5,7 +5,15 @@ import globals from "globals"
 import typescriptEslint from "typescript-eslint"
 
 export default typescriptEslint.config(
-    { ignores: ["*.d.ts", "**/coverage", "**/dist", "assets/", "src/dev.ts"] },
+    {
+        ignores: [
+            "**/*.d.ts",
+            "**/coverage",
+            "**/dist",
+            "assets/",
+            "src/dev.ts",
+        ],
+    },
     {
         extends: [
             eslint.configs.recommended,
diff --git a/src/components/ActionButtons/ActionButtons.ts b/src/components/ActionButtons/ActionButtons.ts
index acc2eb4..c0de8ec 100644
--- a/src/components/ActionButtons/ActionButtons.ts
+++ b/src/components/ActionButtons/ActionButtons.ts
@@ -13,6 +13,7 @@ export default defineComponent({
         },
         data: Object,
     },
+    emits: ["userEvent"],
     methods: {
         triggerAction(action: string) {
             this.$emit("userEvent", { action: action, data: this.data })
diff --git a/src/components/DataTable.ts b/src/components/DataTable.ts
index 9645a13..05258f9 100644
--- a/src/components/DataTable.ts
+++ b/src/components/DataTable.ts
@@ -16,6 +16,7 @@ import { parseColumnProps, parseTextProps } from "../parser"
 
 import { defineComponent, reactive } from "vue"
 import { SORTING_MODE } from "../const"
+import type { Column, Data } from "../types"
 
 export default defineComponent({
     name: "VueDataTable",
@@ -72,6 +73,8 @@ export default defineComponent({
         vKey: { type: String, default: "" },
     },
 
+    emits: ["userEvent"],
+
     data: () => {
         return reactive({
             dataFetched: [] as Column[],
@@ -361,6 +364,7 @@ export default defineComponent({
                     lastPage,
                 ]
             }
+            throw new Error('INVALID PAGE RANGE')
         },
 
         // ─────────────────────────────────────────────────────────────────────
@@ -662,12 +666,12 @@ export default defineComponent({
          * Set the current rows per page
          */
         setPerPage(value: any) {
-            let previousFirstEntry, newPerPage, newCurrentPage
+            let newPerPage, newCurrentPage
+            const previousFirstEntry = this.firstEntry
 
             // before updating the value of currentPerPage,
             // we need to store the current firstEntry.
             // We will use it to change the current page.
-            previousFirstEntry = this.firstEntry
             newPerPage = this.currentPerPage
 
             if (!this.perPageSizes.includes(newPerPage)) {
diff --git a/src/components/Pagination/Pagination.ts b/src/components/Pagination/Pagination.ts
index 1acfe25..20957ca 100644
--- a/src/components/Pagination/Pagination.ts
+++ b/src/components/Pagination/Pagination.ts
@@ -15,6 +15,7 @@ export default defineComponent({
         nextPage: Number,
         pagination: Array,
     },
+    emits: ["set-page"],
     setup() {
         return { pageToGo: 1 }
     },
diff --git a/src/components/PerPage/PerPage.ts b/src/components/PerPage/PerPage.ts
index 5187cb8..b1af2ac 100644
--- a/src/components/PerPage/PerPage.ts
+++ b/src/components/PerPage/PerPage.ts
@@ -8,6 +8,7 @@ export default defineComponent({
         currentPerPage: { type: [Number, String], required: true },
         perPageSizes: { type: Array, required: true },
     },
+    emits: ["set-per-page"],
     computed: {
         textBeforeOptions() {
             return (this.perPageText.split(":entries")[0] || "").trim()
diff --git a/src/components/SearchFilter/SearchFilter.ts b/src/components/SearchFilter/SearchFilter.ts
index c332898..4eab932 100644
--- a/src/components/SearchFilter/SearchFilter.ts
+++ b/src/components/SearchFilter/SearchFilter.ts
@@ -3,4 +3,5 @@ import { defineComponent } from "vue"
 export default defineComponent({
     name: "VdtSearchFilter",
     props: { searchText: String, search: String },
+    emits: ["set-search"],
 })
diff --git a/src/components/Table/Table.ts b/src/components/Table/Table.ts
index 900f7c0..e374070 100644
--- a/src/components/Table/Table.ts
+++ b/src/components/Table/Table.ts
@@ -17,6 +17,7 @@ export default defineComponent({
         sortingIconComponent: [Object, String],
         sortingIndexComponent: [Object, String],
     },
+    emits: ["user-event", "sort-column"],
     methods: {
         // Propagate upwards an event from a user custom component
         emitUserEvent(payload: any) {
diff --git a/src/components/Table/TableCellEditable.ts b/src/components/Table/TableCellEditable.ts
index c6792a4..cc1c57c 100644
--- a/src/components/Table/TableCellEditable.ts
+++ b/src/components/Table/TableCellEditable.ts
@@ -6,6 +6,7 @@ export default defineComponent({
         data: { type: Object, required: true },
         columnKey: { type: String, required: true },
     },
+    emits: ["userEvent"],
     data: () => {
         return reactive({ isEditing: false, text: "" })
     },
diff --git a/src/components/Table/TableCellSelectable.ts b/src/components/Table/TableCellSelectable.ts
index 3b010e9..f959d26 100644
--- a/src/components/Table/TableCellSelectable.ts
+++ b/src/components/Table/TableCellSelectable.ts
@@ -3,6 +3,7 @@ import { defineComponent, reactive } from "vue"
 export default defineComponent({
     name: "VdtTableCellSelectable",
     props: { data: { type: Object, required: true } },
+    emits: ["userEvent"],
     data: () => {
         return reactive({ selected: false })
     },
diff --git a/src/const.ts b/src/const.ts
index 06ecb33..52b25d8 100644
--- a/src/const.ts
+++ b/src/const.ts
@@ -1,3 +1,5 @@
+import type { ColumnType, SortingMode } from "./types"
+
 export const SORTING_MODE = { ASC: "asc", DESC: "desc", NONE: "none" } as {
     [key: string]: SortingMode
 }
diff --git a/src/demo/App.ts b/src/demo/App.ts
index 0fe27f3..bc65867 100644
--- a/src/demo/App.ts
+++ b/src/demo/App.ts
@@ -132,7 +132,7 @@ export default {
 
     methods: {
         updateUserField(user: User, field: UserField, value: any) {
-            const ind = this.data.findIndex(u => u.id === user.id)
+            const ind = this.data.findIndex((u: any) => u.id === user.id)
             if (ind < 0) return
             const newUser = { ...this.data[ind] }
             newUser[field] = value
diff --git a/src/lang.ts b/src/lang.ts
index fcc83f8..1a234a5 100644
--- a/src/lang.ts
+++ b/src/lang.ts
@@ -6,6 +6,13 @@
 import en from "./lang/en"
 import es from "./lang/es"
 import ptBr from "./lang/pt-br"
+import type {
+    LanguageDict,
+    LanguageDictKey,
+    LanguageDictVal,
+    LanguageName,
+    Translation,
+} from "./types"
 
 const translations = { "pt-br": ptBr, "en": en, "es": es } as Translation
 
@@ -26,5 +33,4 @@ const languageServiceProvider = {
     },
 }
 
-export default translations
-export { languageServiceProvider, translations }
+export { languageServiceProvider, translations, translations as default }
diff --git a/src/lang/en.ts b/src/lang/en.ts
index 10611a8..21b9055 100644
--- a/src/lang/en.ts
+++ b/src/lang/en.ts
@@ -1,3 +1,5 @@
+import type { LanguageDict } from "../types"
+
 export default {
     perPageText: "Show :entries entries",
     perPageAllText: "ALL",
diff --git a/src/lang/es.ts b/src/lang/es.ts
index 49e29c8..6ef8c16 100644
--- a/src/lang/es.ts
+++ b/src/lang/es.ts
@@ -1,3 +1,5 @@
+import type { LanguageDict } from "../types"
+
 export default {
     perPageText: "Mostrando :entries datos",
     perPageAllText: "TODOS",
diff --git a/src/lang/pt-br.ts b/src/lang/pt-br.ts
index 3a6cade..62d71f1 100644
--- a/src/lang/pt-br.ts
+++ b/src/lang/pt-br.ts
@@ -1,3 +1,5 @@
+import type { LanguageDict } from "../types"
+
 export default {
     perPageText: "Exibindo :entries dados",
     perPageAllText: "TODOS",
diff --git a/src/parser/index.ts b/src/parser/index.ts
index 4d5e130..4566eb6 100644
--- a/src/parser/index.ts
+++ b/src/parser/index.ts
@@ -1,12 +1,10 @@
-// import VdtTableCell from "../components/Table/TableCell.vue"
-// import VdtTableCellEditable from "../components/Table/TableCellEditable.vue"
 import { searchNumericColumn, searchStringColumn, toTitleCase } from "../utils"
 import { SORTING_MODE } from "../const"
 import translations from "../lang"
+import type { Column, ColumnType, LanguageDict, LanguageName } from "../types"
 
 // default column to all instances of VDT
 export const globalDefaultColumn = {
-    // component: VdtTableCell,
     component: "vdt-cell",
     componentProps: {},
     displayIndex: 1000,
diff --git a/src/types.d.ts b/src/types.d.ts
index 4749c21..bcb5f58 100644
--- a/src/types.d.ts
+++ b/src/types.d.ts
@@ -1,12 +1,12 @@
 // ─────────────────────────────────────────────────────────────────────────────
 // TYPE DEFINITIONS
 
-type VueComponent = string | any
-type VueComponentProps = { [key: string]: any }
+export type VueComponent = string | any
+export type VueComponentProps = { [key: string]: any }
 
-type SortingMode = "asc" | "desc" | "none"
-type ColumnType = "numeric" | "string" | "array" | "other"
-type Column = {
+export type SortingMode = "asc" | "desc" | "none"
+export type ColumnType = "numeric" | "string" | "array" | "other"
+export type Column = {
     compareFunction: Function
     component: VueComponent
     componentProps: VueComponentProps
@@ -25,8 +25,8 @@ type Column = {
     type: string
 }
 
-type LanguageName = string
-type LanguageDictKey =
+export type LanguageName = string
+export type LanguageDictKey =
     | "downloadButtonText"
     | "downloadText"
     | "emptyTableText"
@@ -40,9 +40,9 @@ type LanguageDictKey =
     | "perPageAllText"
     | "previousButtonText"
     | "searchText"
-type LanguageDictVal = string
-type LanguageDict = Record<LanguageDictKey, LanguageDictVal>
-type Translation = Record<LanguageName, LanguageDict>
+export type LanguageDictVal = string
+export type LanguageDict = Record<LanguageDictKey, LanguageDictVal>
+export type Translation = Record<LanguageName, LanguageDict>
 
-type Cell = { [key: string]: any }
-type Data = Cell[]
+export type Cell = { [key: string]: any }
+export type Data = Cell[]
diff --git a/src/utils.ts b/src/utils.ts
index 22633ba..ea2be9c 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,3 +1,5 @@
+import type { Cell, Column, Data } from "./types"
+
 export function toTitleCase(str: string): string {
     // convert snake case to title case
     str = str.replace(/_/g, " ")
@@ -85,7 +87,7 @@ export function arraySafeSort<T>(array: T[], compareFunction: Function): T[] {
 }
 
 // Sort an array of objects (representing the table) by the given column
-export function sortDataByColumns(data: Data, columns: Column[]) {
+export function sortDataByColumns(data: Data, columns: Column[]): Data {
     const l = columns.length
 
     const fn = (a: any, b: any) => {
@@ -144,6 +146,10 @@ export function searchStringColumn(data: Cell, search: string, key: string) {
 }
 
 // Performs search on numeric values
-export function searchNumericColumn(data: Cell, search: string, key: string) {
+export function searchNumericColumn(
+    data: Cell,
+    search: string,
+    key: string
+): boolean {
     return (data[key] || "").toString().includes(search)
 }
diff --git a/tests/common.ts b/tests/common.ts
index a3f1f0a..7d7fcf7 100644
--- a/tests/common.ts
+++ b/tests/common.ts
@@ -62,7 +62,9 @@ const CustomComponent2 = defineComponent({
 
 // mount the component
 export const wrapper = mount(VueDataTable, {
-    global: { components: { ...components, CustomComponent1 } },
+    global: {
+        components: { ...components, CustomComponent1, CustomComponent2 },
+    },
     props: {
         data: data,
         columns: [{ key: "name" }, { key: "gender" }, { key: "job" }],
diff --git a/tests/sorting.test.ts b/tests/sorting.test.ts
index ec72709..ebb9a16 100644
--- a/tests/sorting.test.ts
+++ b/tests/sorting.test.ts
@@ -9,10 +9,15 @@ import {
     testRowsMatchData,
     wrapper,
 } from "./common"
+import { DOMWrapper } from "@vue/test-utils"
 
 test("it sorts data", async () => {
-    const keys = ["name", "gender", "job"] as any
-    let c, copy, key: any, i
+    const keys = ["name", "gender", "job"]
+    let key: string
+    let copy: any[]
+    let i: number
+    let c: DOMWrapper<any>
+
     for (i = 0; i < keys.length; i += 1) {
         key = keys[i]
         c = col(i + 1)
@@ -35,7 +40,7 @@ test("it sorts data", async () => {
 })
 
 test("it sorts only one column", async () => {
-    let arr
+    let arr: any[]
 
     // sets the sorting mode
     await wrapper.setProps({ sortingMode: "single" })
@@ -98,7 +103,7 @@ test("it sorts filtered data", async () => {
 
 test("it sorts multiple rows", async () => {
     // copy the data
-    let copy
+    let copy: any[]
 
     // sort by second column, then by third column
     await click(col(2))
diff --git a/tests/utils.test.ts b/tests/utils.test.ts
index eeab2d6..999d8ff 100644
--- a/tests/utils.test.ts
+++ b/tests/utils.test.ts
@@ -15,7 +15,7 @@ test("test string replacement", function () {
 
 test("test safe sort", function () {
     let arr = [2, 45, null, 10, 20, null, 15]
-    let res
+    let res: (number | null)[]
     let f: Function = (a: any, b: any) => a - b
     let g: Function = (a: any, b: any) => b - a
     res = arraySafeSort(arr, f)