chore: add support for outgoing multipart/form-data

Author: inca

src/lib/web.ts

@@ -29,12 +29,14 @@ export function mergeUrlQuery(url: string, query: Record<string, string | string
     return parsedUrl.toString();
 }
 
-export function determineRequestBody(method: FetchMethod, body: any): [string | undefined, string | undefined] {
+export function determineRequestBody(method: FetchMethod, body: any): [string | FormData | undefined, string | undefined] {
     switch (true) {
         case method === FetchMethod.GET:
             return [undefined, undefined];
         case (body instanceof URLSearchParams):
             return [body.toString(), 'application/x-www-form-urlencoded'];
+        case (body instanceof FormData):
+            return [body, undefined];
         case (body instanceof ArrayBuffer || body instanceof TypedArray): {
             return [body, undefined];
         }

src/nodes/Web.Fetch.ts

@@ -21,7 +21,7 @@ type P = {
 type R = Promise<unknown>;
 
 export const module: ModuleDefinition<P, R> = {
-    version: '1.7.2',
+    version: '1.7.3',
     moduleName: 'Web / Fetch',
     description: `
         Sends an HTTP request using natively available Fetch API.

src/nodes/Web.FormData.ts

@@ -0,0 +1,46 @@
+import { ModuleCompute, ModuleDefinition } from '@nodescript/core/types';
+
+type P = {
+    params: Record<string, any>;
+};
+
+type R = any;
+
+export const module: ModuleDefinition<P, R> = {
+    version: '1.0.0',
+    moduleName: 'Web / Form Data',
+    description: `
+        Creates a Form Data compatible with Fetch request body.
+        Used to send multipart/form-data requests.
+    `,
+    params: {
+        params: {
+            schema: {
+                type: 'object',
+                properties: {},
+                additionalProperties: { type: 'any' },
+            },
+        },
+    },
+    result: {
+        schema: { type: 'any' },
+    },
+};
+
+export const compute: ModuleCompute<P, R> = params => {
+    const formData = new FormData();
+    for (const [key, value] of Object.entries(params.params)) {
+        if (value == null) {
+            continue;
+        }
+        const arr = Array.isArray(value) ? value : [value];
+        for (const value of arr) {
+            if (value instanceof ArrayBuffer) {
+                formData.append(key, new Blob([value]));
+            } else {
+                formData.append(key, value);
+            }
+        }
+    }
+    return formData;
+};

src/nodes/Web.HttpRequest.ts

@@ -29,7 +29,7 @@ type P = {
 type R = Promise<unknown>;
 
 export const module: ModuleDefinition<P, R> = {
-    version: '2.6.2',
+    version: '2.6.3',
     moduleName: 'Web / Http Request',
     description: `
         Sends an HTTP request using backend-powered HTTP client.