OS-agnostic dates #26

Author: maxkfranz

package-lock.json

@@ -43,6 +43,7 @@
   "dependencies": {
     "chalk": "^5.0.1",
     "commander": "^9.3.0",
+    "date-fns": "^2.29.3",
     "esbuild": "^0.15.7",
     "eventemitter3": "^4.0.7",
     "get-stdin": "^9.0.0",

package.json

@@ -0,0 +1,21 @@
+import { format, sub } from 'date-fns';
+
+const startOffset = { months: 1 };
+const arg = process.argv[2];
+const now = new Date();
+
+let date;
+
+switch (arg) {
+  case 'start':
+    date = sub(now, startOffset);
+    break;
+  case 'end':
+  default:
+    date = now;
+    break;
+}
+
+const formattedDate = format(date, 'yyyy-MM-dd');
+
+console.log(formattedDate);

scripts/date.js

@@ -6,8 +6,8 @@ DATA_DIRECTORY="../example-data"
 MEDRXIV_SOURCE="medrxiv"
 BIORXIV_SOURCE="biorxiv"
 
-START_DATE=$(date -v -1m +%Y-%m-%d)
-END_DATE=$(date +%Y-%m-%d)
+START_DATE=$(node date.js start)
+END_DATE=$(node date.js end)
 
 echo "Fetching from ${BIORXIV_SOURCE} between ${START_DATE} and ${END_DATE}"
 biorxivPapers=$(node ../src/cli.js download --output="${DATA_DIRECTORY}/${END_DATE}_${BIORXIV_SOURCE}.json" --source=${BIORXIV_SOURCE} ${START_DATE} ${END_DATE})