simplify and fix checking package versions

Previously some outdated packages would just say "Re-Install" and not
"Update", now that's fixed, along with making the logic easier for use
in the mod list.

1 files changed, 44 insertions, 0 deletions

diff --git a/src/app/js/misc.js b/src/app/js/misc.js
new file mode 100644
index 0000000..b35f239
--- /dev/null
+++ b/src/app/js/misc.js
@@ -0,0 +1,44 @@
+version = {
+	is_newer: (version1, version2) => {
+		version1 = version.format(version1, true).split(".");
+		version2 = version.format(version2, true).split(".");
+
+		for (let i = 0; i < version1.length; i++) {
+
+
+			let nums = [
+				parseInt(version1[i]) || 0,
+				parseInt(version2[i]) || 0
+			];
+			if (nums[0] > nums[1]) {
+				return true;
+			} else if (nums[0] < nums[1]) {
+				return false;
+			}
+		}
+
+		return false;
+	},
+	format: (version_number, no_leading_v) => {
+		version_number = version_number.trim();
+
+		if (no_leading_v) {
+			if (version_number[0] == "v") {
+				return version_number.slice(1, version_number.length);
+			}
+
+			return version_number;
+			if (no_leading_v) {
+				return version_number
+			}
+
+			return "v" + version_number;
+		} else {
+			if (version_number[0] != "v") {
+				return "v" + version_number;
+			}
+		}
+
+		return version_number;
+	}
+}