feat: init

action.yml

@@ -0,0 +1,17 @@
+name: "semantic-versioning-tag"
+description: "help to process a tag if it follow the semantic versionning pattern."
+
+outputs:
+    major:
+        description: major version
+    minor:
+        description: minor version
+    patch:
+        description: patch version
+    prerelease:
+        description: pre-release data
+    buildmetadata:
+        description: build meta data
+runs:
+    using: "node12"
+    main: "index.js"

index.js

@@ -0,0 +1,19 @@
+const core = require("@actions/core");
+const github = require("@actions/github");
+
+const regexStr = /^(?<major>0|[1-9]\d*)\.(?<minor>0|[1-9]\d*)\.(?<patch>0|[1-9]\d*)(?:-(?<prerelease>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+(?<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$/gm;
+
+const ref = github.context.ref;
+const tagPath = "refs/tags/";
+if (ref && ref.startsWith(tagPath)) {
+    var regex = new RegExp(regexStr);
+    var result = regex.exec(tag);
+    if (!result) {
+        core.setFailed("not semantic versionning tag");
+    }
+    core.setOutput("major", result["major"]);
+    core.setOutput("minor", result["minor"]);
+    core.setOutput("patch", result["patch"]);
+    core.setOutput("prerelease", result["prerelease"]);
+    core.setOutput("buildmetadata", result["buildmetadata"]);
+}

package.json

@@ -0,0 +1,29 @@
+{
+    "name": "semantic-versioning-tag",
+    "version": "1.0.0",
+    "description": "help to process a tag if it follow the semantic versionning pattern.",
+    "main": "index.js",
+    "scripts": {
+        "test": "echo \"Error: no test specified\" && exit 1"
+    },
+    "repository": {
+        "type": "git",
+        "url": "git+https://github.com/LongOddCode/semantic-versioning-tag.git"
+    },
+    "keywords": [
+        "github",
+        "action",
+        "tag",
+        "semantic version"
+    ],
+    "author": "",
+    "license": "MIT",
+    "bugs": {
+        "url": "https://github.com/LongOddCode/semantic-versioning-tag/issues"
+    },
+    "homepage": "https://github.com/LongOddCode/semantic-versioning-tag#readme",
+    "dependencies": {
+        "@actions/core": "^1.2.6",
+        "@actions/github": "^4.0.0"
+    }
+}