Update

encoding/data_url.js

@@ -10,7 +10,7 @@
 export function makeDataUrl(mediaType) {
   return (data) =>
     `data:${mediaType},${
-      mediaType.includes(";base64;") ? data : encodeURIComponent(data)
+      mediaType.includes(";base64,") ? data : encodeURIComponent(data)
     }`;
 }
 

higher_order.js

@@ -86,3 +86,33 @@ export function identity(x) {
 export function constant(x) {
   return () => x;
 }
+
+/**
+ * Creates a higher-order function that wraps an asynchronous function with error handling.
+ *
+ * @template F, R, E
+ * @param {F} f - The asynchronous function to be executed with error handling.
+ * @returns {(args: Parameters<F>) => (ifCaughtReturnValue: E | ((...args: Parameters<F>) => E)) => Promise<R | E>}
+ *
+ * The returned higher-order function takes any arguments for the asynchronous function `f` and returns
+ * another function that accepts an optional value or function to be returned in case of an error.
+ *
+ * @example
+ * // Example usage of the tryCatch function
+ * async function exampleAsyncFunc(param: number): Promise<string> {
+ *   // Async logic here...
+ * }
+ * const safeAsyncFunc = tryCatch(exampleAsyncFunc);
+ * safeAsyncFunc(42)(() => 'default value').then(result => console.log(result));
+ */
+export function tryCatch(f) {
+  return (...args) => async (ifCaughtReturnValue) => {
+    try {
+      return await f(...args);
+    } catch {
+      return typeof ifCaughtReturnValue === "function"
+        ? await ifCaughtReturnValue(...args)
+        : ifCaughtReturnValue;
+    }
+  };
+}

response.js

@@ -0,0 +1,24 @@
+/**
+ * Difference between cloning and copying of a `Response`:
+ * https://community.cloudflare.com/t/whats-the-point-of-response-clone/216456
+ */
+export function copyResponse(response) {
+  return new Response(response.body, response);
+}
+
+export function getResponseBody(input) {
+  if (typeof input === "string") {
+    return input;
+  } else if (input === undefined || input === null) {
+    return "";
+  } else if (
+    input instanceof Blob || input instanceof ArrayBuffer ||
+    ArrayBuffer.isView(input) || input instanceof DataView ||
+    input instanceof URLSearchParams || input instanceof FormData ||
+    input instanceof ReadableStream
+  ) {
+    return input;
+  } else {
+    return JSON.stringify(input);
+  }
+}

strings/mapping.js

@@ -65,26 +65,3 @@ export function convertDashToCamel(str) {
 export function convertCamelToDash(str) {
   return str.replace(/([a-zA-Z0-9])(?=[A-Z])/g, "$1-").toLowerCase();
 }
-
-/**
- * Takes a string and converts dashes to spaces.
- *
- * @param {string} str
- * @return {string}
- */
-export function convertDashesToSpaces(str) {
-  return str.replace(/-+/g, " ").replace(
-    /-([a-zA-Z])/g,
-    (match, group) => ` ${group}`,
-  );
-}
-
-/**
- * Takes a string and converts spaces to dashes.
- *
- * @param {string} str
- * @return {string}
- */
-export function convertSpacesToDashes(str) {
-  return str.replace(/\s+/g, "-");
-}

type.js

@@ -164,3 +164,17 @@ export function isUrl(input) {
 export function isRegExp(input) {
   return input instanceof RegExp;
 }
+
+/**
+ * isUrlString.
+ * @param {unknown} input
+ * @returns {input is string}
+ */
+export function isUrlString(input) {
+  try {
+    const url = new URL(input);
+    return true;
+  } catch {
+    return false;
+  }
+}