feat: try different download method

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@nevermined-io/payments",
-  "version": "0.4.1",
+  "version": "0.4.2-rc0",
   "description": "Typescript SDK to interact with the Nevermined Payments Protocol",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
@@ -35,5 +35,8 @@
     "tslib": "^2.6.2",
     "typedoc": "0.25.13",
     "typescript": "^5.3.3"
+  },
+  "dependencies": {
+    "js-file-download": "^0.4.12"
   }
 }

src/payments.ts

@@ -1,4 +1,8 @@
 import { EnvironmentInfo, EnvironmentName, Environments } from './environments'
+import * as path from 'path'
+import fileDownload from 'js-file-download'
+import fs from 'fs'
+
 /**
  * Options to initialize the Payments class.
  */
@@ -684,7 +688,7 @@ export class Payments {
    * @param nvmApiKey - The NVM API key to use for the request.
    * @returns A promise that resolves to the JSON response from the server.
    */
-  public async downloadFiles(fileDid: string, nvmApiKey?: string) {
+  public async downloadFiles(fileDid: string, destination?: string, nvmApiKey?: string) {
     const body = { fileDid }
     const options = {
       method: 'POST',
@@ -702,7 +706,35 @@ export class Payments {
       throw Error(response.statusText)
     }
 
-    return response.json()
+    let filename = 'downloaded_file'
+    const contentDisposition = response.headers.get('content-disposition')
+    if (contentDisposition) {
+        const filenameMatch = contentDisposition.match(/filename="(.+?)"/)
+        if (filenameMatch && filenameMatch[1]) {
+            filename = filenameMatch[1]
+        }
+    }
+
+    if (destination) {
+      await new Promise((resolve, reject) => {
+        // @ts-expect-error fs is not available in the browser
+        fs.mkdirSync(destination, { recursive: true })
+        const fileStream = fs.createWriteStream(`${destination}${filename}`)
+        // @ts-expect-error tsc doesn't know about pipe
+        response.body?.pipe(fileStream)
+        // @ts-expect-error tsc doesn't know about pipe
+        response.body?.on('error', reject)
+        fileStream.on('finish', resolve)
+        fileStream.on('close', resolve)
+      })
+    } else {
+      const buff = await response.arrayBuffer()
+      fileDownload(buff, filename)
+      destination = process.cwd()
+    }
+    const d = path.join(destination, filename)
+    return d
+    // return response.json()
   }
 
   /**

yarn.lock

@@ -1571,6 +1571,11 @@ jju@~1.4.0:
   resolved "https://registry.yarnpkg.com/jju/-/jju-1.4.0.tgz#a3abe2718af241a2b2904f84a625970f389ae32a"
   integrity sha512-8wb9Yw966OSxApiCt0K3yNJL8pnNeIv+OEq2YMidz4FKP6nonSRoOXc80iXY4JaN2FC11B9qsNmDsm+ZOfMROA==
 
+js-file-download@^0.4.12:
+  version "0.4.12"
+  resolved "https://registry.yarnpkg.com/js-file-download/-/js-file-download-0.4.12.tgz#10c70ef362559a5b23cdbdc3bd6f399c3d91d821"
+  integrity sha512-rML+NkoD08p5Dllpjo0ffy4jRHeY6Zsapvr/W86N7E0yuzAO6qa5X9+xog6zQNlH102J7IXljNY2FtS6Lj3ucg==
+
 "js-tokens@^3.0.0 || ^4.0.0":
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
@@ -2109,7 +2114,16 @@ slash@^3.0.0:
   resolved "https://registry.yarnpkg.com/slash/-/slash-3.0.0.tgz#6539be870c165adbd5240220dbe361f1bc4d4634"
   integrity sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==
 
-"string-width-cjs@npm:string-width@^4.2.0", string-width@^4.1.0:
+"string-width-cjs@npm:string-width@^4.2.0":
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
+  integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
+  dependencies:
+    emoji-regex "^8.0.0"
+    is-fullwidth-code-point "^3.0.0"
+    strip-ansi "^6.0.1"
+
+string-width@^4.1.0:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
   integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
@@ -2173,7 +2187,14 @@ string.prototype.trimstart@^1.0.8:
     define-properties "^1.2.1"
     es-object-atoms "^1.0.0"
 
-"strip-ansi-cjs@npm:strip-ansi@^6.0.1", strip-ansi@^6.0.0, strip-ansi@^6.0.1:
+"strip-ansi-cjs@npm:strip-ansi@^6.0.1":
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
+  integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
+  dependencies:
+    ansi-regex "^5.0.1"
+
+strip-ansi@^6.0.0, strip-ansi@^6.0.1:
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
   integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==