Add hardcoded file generation in prep for programmatic file generatio…

…n from elm.
dillonkearns · Jan 5, 2020 · 815dec7 · 815dec7
1 parent 2d9ae3b
commit 815dec7
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Showing 4 changed files with 57 additions and 11 deletions.
diff --git a/generator/src/add-files-plugin.js b/generator/src/add-files-plugin.js
@@ -20,8 +20,11 @@ function unpackFile(filePath) {
 }
 
 module.exports = class AddFilesPlugin {
-  constructor(data) {
+  constructor(data, filesToGenerate) {
     this.pagesWithRequests = data;
+    this.filesToGenerate = filesToGenerate;
+    console.log('this.filesToGenerate', this.filesToGenerate);
+
   }
   apply(compiler) {
     compiler.hooks.emit.tap("AddFilesPlugin", compilation => {
@@ -52,6 +55,18 @@ module.exports = class AddFilesPlugin {
           size: () => rawContents.length
         };
       });
+
+      this.filesToGenerate.forEach(file => {
+        // Couldn't find this documented in the webpack docs,
+        // but I found the example code for it here:
+        // https://github.com/jantimon/html-webpack-plugin/blob/35a154186501fba3ecddb819b6f632556d37a58f/index.js#L470-L478
+        compilation.assets[file.path] = {
+          source: () => file.content,
+          size: () => file.content.length
+        };
+      });
+
+
     });
   }
 };
diff --git a/generator/src/develop.js b/generator/src/develop.js
@@ -15,11 +15,12 @@ const ClosurePlugin = require("closure-webpack-plugin");
 const readline = require("readline");
 
 module.exports = { start, run };
-function start({ routes, debug, customPort, manifestConfig, routesWithRequests }) {
+function start({ routes, debug, customPort, manifestConfig, routesWithRequests, filesToGenerate }) {
   const config = webpackOptions(false, routes, {
     debug,
     manifestConfig,
-    routesWithRequests
+    routesWithRequests,
+    filesToGenerate
   });
 
   const compiler = webpack(config);
@@ -65,12 +66,13 @@ function start({ routes, debug, customPort, manifestConfig, routesWithRequests }
   // app.use(express.static(__dirname + "/path-to-static-folder"));
 }
 
-function run({ routes, manifestConfig, routesWithRequests }, callback) {
+function run({ routes, manifestConfig, routesWithRequests, filesToGenerate }, callback) {
   webpack(
     webpackOptions(true, routes, {
       debug: false,
       manifestConfig,
-      routesWithRequests
+      routesWithRequests,
+      filesToGenerate
     })
   ).run((err, stats) => {
     if (err) {
@@ -118,12 +120,12 @@ function printProgress(progress, message) {
 function webpackOptions(
   production,
   routes,
-  { debug, manifestConfig, routesWithRequests }
+  { debug, manifestConfig, routesWithRequests, filesToGenerate }
 ) {
   const common = {
     mode: production ? "production" : "development",
     plugins: [
-      new AddFilesPlugin(routesWithRequests),
+      new AddFilesPlugin(routesWithRequests, filesToGenerate),
       new CopyPlugin([
         {
           from: "static/**/*",

diff --git a/generator/src/elm-pages.js b/generator/src/elm-pages.js
@@ -86,6 +86,7 @@ function run() {
       markdownContent,
       content,
       function(payload) {
+        console.log('@@@@@@@@@ filesToGenerate', payload.filesToGenerate);
         if (contents.watch) {
           startWatchIfNeeded();
           if (!devServerRunning) {
@@ -94,7 +95,8 @@ function run() {
               routes,
               debug: contents.debug,
               manifestConfig: payload.manifest,
-              routesWithRequests: payload.pages
+              routesWithRequests: payload.pages,
+              filesToGenerate: payload.filesToGenerate
             });
           }
         } else {
@@ -106,7 +108,8 @@ function run() {
             {
               routes,
               manifestConfig: payload.manifest,
-              routesWithRequests: payload.pages
+              routesWithRequests: payload.pages,
+              filesToGenerate: payload.filesToGenerate
             },
             () => {}
           );

diff --git a/src/Pages/Internal/Platform/Cli.elm b/src/Pages/Internal/Platform/Cli.elm
@@ -44,6 +44,13 @@ type ToJsPayload pathKey
 type alias ToJsSuccessPayload pathKey =
     { pages : Dict String (Dict String String)
     , manifest : Manifest.Config pathKey
+    , filesToGenerate : List FileToGenerate
+    }
+
+
+type alias FileToGenerate =
+    { path : List String
+    , content : String
     }
 
 
@@ -55,8 +62,8 @@ toJsCodec =
                 Errors errorList ->
                     errors errorList
 
-                Success { pages, manifest } ->
-                    success (ToJsSuccessPayload pages manifest)
+                Success { pages, manifest, filesToGenerate } ->
+                    success (ToJsSuccessPayload pages manifest filesToGenerate)
         )
         |> Codec.variant1 "Errors" Errors Codec.string
         |> Codec.variant1 "Success"
@@ -90,6 +97,21 @@ successCodec =
         |> Codec.field "manifest"
             .manifest
             (Codec.build Manifest.toJson (Decode.succeed stubManifest))
+        |> Codec.field "filesToGenerate"
+            .filesToGenerate
+            (Codec.build
+                (\list ->
+                    list
+                        |> Json.Encode.list
+                            (\item ->
+                                Json.Encode.object
+                                    [ ( "path", item.path |> String.join "/" |> Json.Encode.string )
+                                    , ( "content", item.content |> Json.Encode.string )
+                                    ]
+                            )
+                )
+                (Decode.succeed [])
+            )
         |> Codec.buildObject
 
 
@@ -745,6 +767,10 @@ sendStaticResponsesIfDone mode secrets allRawResponses errors staticResponses ma
                     (ToJsSuccessPayload
                         (encodeStaticResponses mode staticResponses)
                         manifest
+                        [ { path = [ "hello.txt" ]
+                          , content = "Hello generated files!"
+                          }
+                        ]
                     )
 
              else