Implement the sortby

index.js

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+const sortby = (properties) => (a, b) => {
+  // if items is {prop1:value1, prop2:value2}
+  // then sort(['prop1', 'desc', 'prop2'])
+  // will sort by prop1 desc and prop2
+  for (var i = 0; i < properties.length; i++) {
+    var property = properties[i]
+
+    let order = -1
+    if (i + 1 < properties.length && properties[i + 1] === 'desc') {
+      order = 1
+      i++
+    }
+
+    if (a[property] < b[property]) return order
+    if (a[property] > b[property]) return -order
+  }
+
+  return 0
+}
+
+export { sortby }

package-lock.json

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+{
+  "name": "sortby",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {}
+}

package.json

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+{
+  "name": "sortby",
+  "description": "Sort object by property name",
+  "version": "1.0.0",
+  "author": "Frédéric Matte <fmatte@gmail.com>",
+  "license": "AGPL-3.0-or-later",
+  "main": "index.js",
+  "type": "module",
+  "repository": {
+    "type": "git",
+    "url": "https://git.tranche.ca/fmatte/sortby"
+  }
+}