Fixes #804. Ensure only writable close event triggers data send to wi…

…ndow.

package.json

@@ -84,7 +84,7 @@
     "datapackage": "^1.0.6",
     "electron-settings": "^3.2.0",
     "escape-regexp": "^0.0.1",
-    "etl": "^0.5.8",
+    "etl": "^0.5.12",
     "fs-extra": "~5.0.0",
     "handsontable": "^0.35.1",
     "imports-loader": "^0.8.0",
@@ -101,7 +101,7 @@
     "svgo": "^1.0.5",
     "tableschema": "^1.9.1",
     "tmp": "^0.0.33",
-    "unzipper": "^0.8.12",
+    "unzipper": "^0.8.14",
     "vee-validate": "^2.0.4",
     "vue": "^2.5.2",
     "vue-async-computed": "^3.3.1",

src/main/url.js

@@ -64,25 +64,26 @@ export async function importDataPackageZipFromUrl(urlText) {
     const zipPath = path.join(zipDir, basename)
     fs.ensureFileSync(zipPath)
     const writable = fs.createWriteStream(zipPath)
-    let errors = false
     // close will be called automatically - just need to ensure close on error
     response.data.on('error', (error) => {
       response.data.end()
       writable.end()
       console.log(`Problem with read stream`, error)
-      errors = true
     })
     writable.on('error', (error) => {
       response.data.end()
       writable.end()
       console.log(`Problem with write stream`, error)
-      errors = true
     })
-    await response.data.pipe(writable)
-    mainWindow.webContents.send('closeLoadingScreen')
-    if (!errors) {
+    // response.data.on('end', () => {
+    //   console.log('finished writing response')
+    // })
+    // do not send file path to renderer until response has completed writing
+    writable.on('close', () => {
+      mainWindow.webContents.send('closeLoadingScreen')
       handleDownloadedZip(zipPath, mainWindow)
-    }
+    })
+    await response.data.pipe(writable)
   } catch (error) {
     console.log(`Unable to download zip: ${urlText}`, error)
     mainWindow.webContents.send('closeLoadingScreen')

yarn.lock

@@ -1489,8 +1489,8 @@ better-assert@~1.0.0:
     callsite "1.0.0"
 
 big-integer@^1.6.17:
-  version "1.6.27"
-  resolved "https://registry.yarnpkg.com/big-integer/-/big-integer-1.6.27.tgz#8e56c6f8b2dd6c4fe8d32102b83d4f25868e4b3a"
+  version "1.6.30"
+  resolved "https://registry.yarnpkg.com/big-integer/-/big-integer-1.6.30.tgz#7796f04acdd6ba56345f19049c8fffd427f09d16"
 
 big.js@^3.1.3:
   version "3.2.0"
@@ -4147,14 +4147,14 @@ etag@~1.8.1:
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
 
-etl@^0.5.8:
-  version "0.5.8"
-  resolved "https://registry.yarnpkg.com/etl/-/etl-0.5.8.tgz#684bf6f20a0a23d31b75e3d63f56848dfe511243"
+etl@^0.5.12:
+  version "0.5.12"
+  resolved "https://registry.yarnpkg.com/etl/-/etl-0.5.12.tgz#71fa98e39706dcd216e5ae09e0f29dfc9f6d128b"
   dependencies:
     bluebird "~3.5.0"
     csv-parser "~1.8.0"
     duplexer2 "~0.1.4"
-    moment "~2.18.1"
+    moment "~2.21.0"
     streamz "~1.8.4"
 
 event-emitter@~0.3.5:
@@ -6965,10 +6965,6 @@ [email protected], moment@^2.21.0, moment@~2.21.0:
   version "2.21.0"
   resolved "https://registry.yarnpkg.com/moment/-/moment-2.21.0.tgz#2a114b51d2a6ec9e6d83cf803f838a878d8a023a"
 
-moment@~2.18.1:
-  version "2.18.1"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.18.1.tgz#c36193dd3ce1c2eed2adb7c802dbbc77a81b1c0f"
-
 move-concurrently@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/move-concurrently/-/move-concurrently-1.0.1.tgz#be2c005fda32e0b29af1f05d7c4b33214c701f92"
@@ -10228,9 +10224,9 @@ unzip-response@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/unzip-response/-/unzip-response-2.0.1.tgz#d2f0f737d16b0615e72a6935ed04214572d56f97"
 
-unzipper@^0.8.12:
-  version "0.8.12"
-  resolved "https://registry.yarnpkg.com/unzipper/-/unzipper-0.8.12.tgz#178de4e263d96a2550fb6f4804d26c06edb9c8bd"
+unzipper@^0.8.14:
+  version "0.8.14"
+  resolved "https://registry.yarnpkg.com/unzipper/-/unzipper-0.8.14.tgz#ade0524cd2fc14d11b8de258be22f9d247d3f79b"
   dependencies:
     big-integer "^1.6.17"
     binary "~0.3.0"