always use shell script to generate apps.json, remove js version

Gets rid of duplicated functionality, but allows passing a filename
argument to write to a different file instead of `apps.json`.

apps.json

@@ -7,7 +7,10 @@
 #  Otherwise nothing has changed. GitHub Pages will automatically
 #  create apps.json as your site is hosted, or if you're hosting
 #  yourself you can run bin/create_apps_json.sh
-# 
+#
+#  If you serve the store from localhost for development/testing,
+#  the loader looks for apps.local.json instead, you can run
+#  `bin/create_apps_json.sh apps.local.json` to create that file.
 # =================================================================
 
 # Uncomment the following line if you only want explicitly listed

bin/create_apps_json.sh

@@ -13,17 +13,26 @@
 #
 # If you do this, please do not attempt to commit your modified
 # apps.json back into the main BangleApps repository!
+#
+# You can pass an optional filename to this script, and it will write
+# to that instead, apps.local.json is used when opening the loader on localhost
+outfile="${1:-apps.json}"
 
 cd `dirname $0`/..
-echo "[" > apps.json
+echo "[" > "$outfile"
+first=1
 for app in apps/*/; do 
   echo "Processing $app..."; 
   if [[ "$app" =~ ^apps/_example.* ]]; then
     echo "Ignoring $app"
   else
-    cat ${app}metadata.json >> apps.json
+    if [ $first -eq 1 ]; then
+      first=0;
+    else
+      echo "," >> "$outfile"
+    fi;
+    cat ${app}metadata.json >> "$outfile"
 #    echo ",\"$app\"," >> apps.json # DEBUG ONLY
-    echo "," >> apps.json
   fi
 done
-echo "null]" >> apps.json
+echo "]" >> "$outfile"

bin/update_local_apps_json.js

@@ -1,62 +0,0 @@
-#!/usr/bin/nodejs
-/* Merge all apps/metadata.json files into apps.local.json
-*/
-
-const fs = require("fs");
-
-const BASEDIR = __dirname+"/../";
-const APPSDIR = BASEDIR+"apps/";
-const APPSFILE = "apps.local.json";
-const APPSPATH = BASEDIR+ APPSFILE;
-
-function ERROR(s) {
-  console.error("ERROR: "+s);
-  process.exit(1);
-}
-function INFO(s) {
-  console.info(s);
-}
-
-const apps = [];
-const dirs = fs.readdirSync(APPSDIR, {withFileTypes: true});
-dirs.forEach(dir => {
-  let appsFile;
-  if (dir.name.startsWith("_example")) {
-    return;
-  }
-  try {
-    appsFile = fs.readFileSync(APPSDIR+dir.name+"/metadata.json").toString();
-  } catch(e) {
-    return;
-  }
-  try {
-    apps.push(JSON.parse(appsFile));
-  } catch(e) {
-    console.log(e);
-    const m = e.toString().match(/in JSON at position (\d+)/);
-    if (m) {
-      const char = parseInt(m[1]);
-      console.log("===============================================");
-      console.log("LINE "+appsFile.substr(0, char).split("\n").length);
-      console.log("===============================================");
-      console.log(appsFile.substr(char-10, 20));
-      console.log("===============================================");
-    }
-    console.log(m);
-    ERROR(dir.name+"/metadata.json not valid JSON");
-  }
-});
-// order doesn't matter as the loader sorts apps, but sort by <sortorder,id> anyway
-apps.sort((a, b) => ((0|a.sortorder)-(0|b.sortorder)) || a.id.localeCompare(b.id));
-const json = JSON.stringify(apps, null, 2);
-let update = false;
-if (fs.existsSync(APPSPATH)) {
-  const old = fs.readFileSync(APPSPATH).toString();
-  if (old===json) {
-    INFO(`${APPSFILE} is already up-to-date`);
-    process.exit();
-  }
-  update = true;
-}
-fs.writeFileSync(APPSPATH, json);
-INFO(`${update ? 'Updated' : 'Wrote'} ${APPSFILE}`);

package.json

@@ -9,7 +9,7 @@
   "scripts": {
     "lint-apps": "eslint ./apps --ext .js",
     "test": "node bin/sanitycheck.js && eslint ./apps --ext .js",
-    "update-local-apps": "node bin/update_local_apps_json.js",
+    "update-local-apps": "./bin/create_apps_json.sh apps.local.json",
     "local": "npm-watch & npx http-server -a localhost -c-1",
     "start": "npx http-server -c-1"
   },