Add reusable CLI for parsing semver

Signed-off-by: Sebastian Malton <sebastian@malton.name>

packages/semver/dist/index.mjs

@@ -0,0 +1,91 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */ import { SemVer } from "semver";
+import commandLineArgs from "command-line-args";
+var options = commandLineArgs([
+    {
+        name: "version",
+        defaultOption: true
+    },
+    {
+        name: "major",
+        type: Boolean
+    },
+    {
+        name: "minor",
+        type: Boolean
+    },
+    {
+        name: "patch",
+        type: Boolean
+    },
+    {
+        name: "prerelease",
+        type: function(input) {
+            if (!input || input === "true") {
+                return true;
+            }
+            var asNumber = Number(input);
+            if (Number.isInteger(asNumber) && asNumber >= 0) {
+                return asNumber;
+            }
+            throw new Error("Invalid --prerelease value, must be either true (default), or a non-negative integrer");
+        }
+    },
+    {
+        name: "json",
+        type: Boolean
+    }
+]);
+if (!options.version || typeof options.version !== "string") {
+    console.error("Missing version");
+    process.exit(1);
+}
+var showMajor = Boolean(options.major);
+var showMinor = Boolean(options.minor);
+var showPatch = Boolean(options.patch);
+var showPrerelease = options.prerelease !== undefined;
+var showJson = Boolean(options.json);
+var showOptionsSet = [
+    +showMajor,
+    +showMinor,
+    +showPatch,
+    +showPrerelease,
+    +showJson
+].reduce(function(prev, cur) {
+    return prev + cur;
+}, 0);
+if (showOptionsSet === 0) {
+    console.error("One of the following must be provided: --major, --minor, --patch, --prerelease, --json");
+    process.exit(1);
+}
+if (showOptionsSet > 1) {
+    console.error("Only one of the following may be provided: --major, --minor, --patch, --prerelease, --json");
+    process.exit(1);
+}
+var version = new SemVer(options.version);
+if (showMajor) {
+    console.log(version.major.toString());
+} else if (showMinor) {
+    console.log(version.major.toString());
+} else if (showPatch) {
+    console.log(version.patch.toString());
+} else if (showPrerelease) {
+    var _options_prerelease;
+    if (((_options_prerelease = options.prerelease) !== null && _options_prerelease !== void 0 ? _options_prerelease : true) === true) {
+        console.log(JSON.stringify(version.prerelease));
+    } else if (version.prerelease.length > options.prerelease) {
+        console.log(version.prerelease[options.prerelease].toString());
+    }
+} else if (showJson) {
+    console.log(JSON.stringify({
+        major: version.major,
+        minor: version.minor,
+        patch: version.patch,
+        prerelease: version.prerelease
+    }));
+}
+
+
+//# sourceMappingURL=index.mjs.map

packages/semver/dist/index.mjs.map

@@ -0,0 +1 @@
+{"version":3,"sources":[],"names":[],"mappings":"","file":"index.mjs"}

packages/semver/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "@k8slens/semver",
+  "version": "6.4.0-beta.5",
+  "description": "CLI over semver package for picking parts of a version",
+  "main": "dist/index.mjs",
+  "license": "MIT",
+  "private": true,
+  "scripts": {
+    "clean": "rm -rf dist/",
+    "build": "swc ./src/index.ts -o ./dist/index.mjs"
+  },
+  "devDependencies": {
+    "@swc/cli": "^0.1.59",
+    "@swc/core": "^1.3.28",
+    "@types/command-line-args": "^5.2.0",
+    "@types/node": "^16.18.11",
+    "@types/semver": "^7.3.13",
+    "command-line-args": "^5.2.1",
+    "semver": "^7.3.8"
+  }
+}

packages/semver/src/index.ts

@@ -0,0 +1,91 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+import { SemVer } from "semver";
+import commandLineArgs from "command-line-args";
+
+const options = commandLineArgs([
+  {
+    name: "version",
+    defaultOption: true,
+  },
+  {
+    name: "major",
+    type: Boolean,
+  },
+  {
+    name: "minor",
+    type: Boolean,
+  },
+  {
+    name: "patch",
+    type: Boolean,
+  },
+  {
+    name: "prerelease",
+    type: (input) => {
+      if (!input || input === "true") {
+        return true;
+      }
+
+      const asNumber = Number(input);
+
+      if (Number.isInteger(asNumber) && asNumber >= 0) {
+        return asNumber;
+      }
+
+      throw new Error("Invalid --prerelease value, must be either true (default), or a non-negative integrer");
+    },
+  },
+  {
+    name: "json",
+    type: Boolean,
+  },
+]);
+
+if (!options.version || typeof options.version !== "string") {
+  console.error("Missing version");
+  process.exit(1);
+}
+
+const showMajor = Boolean(options.major);
+const showMinor = Boolean(options.minor);
+const showPatch = Boolean(options.patch);
+const showPrerelease = options.prerelease !== undefined;
+const showJson = Boolean(options.json);
+
+const showOptionsSet = [+showMajor, +showMinor, +showPatch, +showPrerelease, +showJson].reduce((prev, cur) => prev + cur, 0);
+
+if (showOptionsSet === 0) {
+  console.error("One of the following must be provided: --major, --minor, --patch, --prerelease, --json");
+  process.exit(1);
+}
+
+if (showOptionsSet > 1) {
+  console.error("Only one of the following may be provided: --major, --minor, --patch, --prerelease, --json");
+  process.exit(1);
+}
+
+const version = new SemVer(options.version);
+
+if (showMajor) {
+  console.log(version.major.toString());
+} else if (showMinor) {
+  console.log(version.major.toString());
+} else if (showPatch) {
+  console.log(version.patch.toString());
+} else if (showPrerelease) {
+  if ((options.prerelease ?? true) === true) {
+    console.log(JSON.stringify(version.prerelease))
+  } else if (version.prerelease.length > options.prerelease) {
+    console.log(version.prerelease[options.prerelease].toString());
+  }
+} else if (showJson) {
+  console.log(JSON.stringify({
+    major: version.major,
+    minor: version.minor,
+    patch: version.patch,
+    prerelease: version.prerelease,
+  }));
+}

packages/semver/tsconfig.json

@@ -0,0 +1,19 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "composite": true,
+    "outDir": "dist/",
+    "paths": {
+      "*": [
+        "node_modules/*",
+        "types/*"
+      ]
+    },
+  },
+  "include": [
+    "src/**/*",
+  ],
+  "exclude": [
+    "node_modules",
+  ]
+}