diff --git a/jest.config.js b/jest.config.js
index b09118c80..6b34a50e7 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -1,6 +1,9 @@
 module.exports = {
   ...require("./test/jest-common"),
-  collectCoverageFrom: ["./(components|etc|lib|pages)/**/*.(ts|tsx|js|jsx)"],
+  collectCoverageFrom: [
+    "./(components|etc|lib|pages)/**/*.(ts|tsx|js|jsx)",
+    "!./(components|etc|lib|pages)/**/__tests__/*.test.(ts|tsx|js|jsx)",
+  ],
   coverageThreshold: {
     global: {
       statements: 6,
diff --git a/lib/__tests__/string-utils.test.ts b/lib/__tests__/string-utils.test.ts
index 28caba393..cd4226684 100644
--- a/lib/__tests__/string-utils.test.ts
+++ b/lib/__tests__/string-utils.test.ts
@@ -1,18 +1,44 @@
-import { getKebabCase } from "../string-utils";
+import { getKebabCase, toSnakeCase, toTitleCase } from "../string-utils";
+
+describe("toSnakeCase", () => {
+  it.each`
+    input            | expected
+    ${"Foo Bar"}     | ${"foo_bar"}
+    ${"DKI Jakarta"} | ${"dki_jakarta"}
+  `(
+    "should return '$expected' when '$input' is provided",
+    ({ input, expected }) => {
+      expect(toSnakeCase(input as string)).toBe(expected);
+    },
+  );
+});
+
+describe("toTitleCase", () => {
+  it.each`
+    input            | expected
+    ${"foo bar"}     | ${"Foo Bar"}
+    ${"DKI Jakarta"} | ${"DKI Jakarta"}
+  `(
+    "should return '$expected' when '$input' is provided",
+    ({ input, expected }) => {
+      expect(toTitleCase(input as string)).toBe(expected);
+    },
+  );
+});
 
 describe("getKebabCase", () => {
   it.each`
     input                                                      | expected
-    ${"DKI Jakarta"}                                           | ${"dkijakarta"}
-    ${"Daftar Kontak Fasilitas & Alat Kesehatan per Provinsi"} | ${"daftar-kontak-fasilitas-alat-kesehatanper-provinsi"}
-    ${"Laman Edukasi COVID-19"}                                | ${"laman-edukasi-covid19"}
-    ${"Donasi dan Penggalangan Dana"}                          | ${"donasidan-penggalangan-dana"}
-    ${"D.I. Yogyakarta"}                                       | ${"d.i.yogyakarta"}
-    ${"Ambulancesiaga.com"}                                    | ${"ambulancesiaga.com"}
-    ${'"PUTRA SOERADI" Jual Peti Mati'}                        | ${"putrasoeradijual-peti-mati"}
+    ${"DKI Jakarta"}                                           | ${"dki-jakarta"}
+    ${"Daftar Kontak Fasilitas & Alat Kesehatan per Provinsi"} | ${"daftar-kontak-fasilitas-alat-kesehatan-per-provinsi"}
+    ${"Laman Edukasi COVID-19"}                                | ${"laman-edukasi-covid-19"}
+    ${"Donasi dan Penggalangan Dana"}                          | ${"donasi-dan-penggalangan-dana"}
+    ${"D.I. Yogyakarta"}                                       | ${"d-i-yogyakarta"}
+    ${"Ambulancesiaga.com"}                                    | ${"ambulancesiaga-com"}
+    ${'"PUTRA SOERADI" Jual Peti Mati'}                        | ${"putra-soeradi-jual-peti-mati"}
     ${"Hoo Hap Hwee (Perkumpulan Budi Abadi)"}                 | ${"hoo-hap-hwee-perkumpulan-budi-abadi"}
-    ${"UD. Bpk. Giyanto Sedia/Jual Peti Jenazah"}              | ${"ud.bpk.giyanto-sedia-jual-peti-jenazah"}
-    ${"Samator, PT. Aneka Gas Industri, Tbk."}                 | ${"samator-pt.aneka-gas-industri-tbk."}
+    ${"UD. Bpk. Giyanto Sedia/Jual Peti Jenazah"}              | ${"ud-bpk-giyanto-sedia-jual-peti-jenazah"}
+    ${"Samator, PT. Aneka Gas Industri, Tbk."}                 | ${"samator-pt-aneka-gas-industri-tbk"}
   `(
     "should return '$expected' when '$input' is provided",
     ({ input, expected }) => {
diff --git a/lib/string-utils.ts b/lib/string-utils.ts
index a73d7c3a9..fd9e3eb12 100644
--- a/lib/string-utils.ts
+++ b/lib/string-utils.ts
@@ -21,18 +21,6 @@ export function toTitleCase(str: string): string {
     .join(" ");
 }
 
-/**
- * Convert all whitespaces in a string to camelCase
- *
- * @param {string} str input string
- * @returns {string} camelCased and whitespace-free version of `str`
- */
-export function replaceSpacesWithCamelCase(str: string): string {
-  return str.replace(/\s+/g, (s) => {
-    return s.substring(0, 1).toUpperCase() + s.substring(1);
-  });
-}
-
 /**
  * Replace all non-alphanumeric character in a string with space
  *
@@ -40,17 +28,7 @@ export function replaceSpacesWithCamelCase(str: string): string {
  * @returns {string} `str`, without non-alphanumeric characters
  */
 export function replaceSpecialCharacterWithSpace(str: string): string {
-  return str.replace(/[^a-zA-Z0-9. ]/g, " ");
-}
-
-/**
- * Remove all whitespaces from a string
- *
- * @param {string} str input string
- * @returns {string} whitespace-free version of `str`
- */
-export function removeSpaces(str: string): string {
-  return str.replace(/\s+/g, "");
+  return str.replace(/[^a-zA-Z0-9]/g, " ");
 }
 
 /**
@@ -60,7 +38,10 @@ export function removeSpaces(str: string): string {
  * @returns {string} kebab-cased version of `str`
  */
 export function convertToKebabCase(str: string): string {
-  return str.replace(/([a-z])([A-Z])/g, "$1-$2").toLowerCase();
+  return str
+    .replace(/([a-z])([A-Z])/g, "$1-$2")
+    .replace(/[\s_.]+/g, "-")
+    .toLowerCase();
 }
 
 /**
@@ -70,11 +51,7 @@ export function convertToKebabCase(str: string): string {
  * @returns {string} kebab-cased version of `str`
  */
 export function getKebabCase(str?: string): string {
-  return convertToKebabCase(
-    removeSpaces(
-      replaceSpecialCharacterWithSpace(replaceSpacesWithCamelCase(str ?? "")),
-    ),
-  );
+  return convertToKebabCase(replaceSpecialCharacterWithSpace(str ?? "").trim());
 }
 
 /**
@@ -111,19 +88,6 @@ export function toSecond(hrtime: [number, number]): string {
   return (hrtime[0] + hrtime[1] / 1e9).toFixed(3);
 }
 
-/**
- * Build a function pipeline
- *
- * @param {Function[]} functions array of functions, ordered by the expected
- * order of execution
- * @returns {Function} chained functions
- */
-export function composeFunctions(...functions: Function[]): Function {
-  return (args: unknown) => {
-    return functions.reduce((acc, fn) => fn(acc), args);
-  };
-}
-
 /**
  * Get the last segment from a kebab-cased string
  *
@@ -164,7 +128,7 @@ export function getQueryParams(query: string): {} {
   return query
     ? (/^[?#]/.test(query) ? query.slice(1) : query)
         .split("&")
-        .reduce((params: any, param) => {
+        .reduce((params: Record<string, string>, param) => {
           const [key, value] = param.split("=");
           params[key] = value
             ? decodeURIComponent(value.replace(/\+/g, " "))