Improve documentation

lib/utils.js

@@ -19,6 +19,12 @@ Object.defineProperty(exports, "__esModule", { value: true });
 const fs = __importStar(require("fs"));
 const path = __importStar(require("path"));
 const core = __importStar(require("@actions/core"));
+/**
+ * Function to get inputs from both with and env annotations.
+ *
+ * @param name
+ * @param mandatory
+ */
 function getInput(name, mandatory) {
     return __awaiter(this, void 0, void 0, function* () {
         let input = process.env[name];
@@ -117,6 +123,7 @@ function writeScript(filename, version, script) {
 exports.writeScript = writeScript;
 /**
  * Function to break extension csv into an array
+ *
  * @param extension_csv
  */
 function extensionArray(extension_csv) {
@@ -196,6 +203,11 @@ function log(message, os_version, log_type, prefix = '') {
     });
 }
 exports.log = log;
+/**
+ * Function to get prefix required to load an extension.
+ *
+ * @param extension
+ */
 function getExtensionPrefix(extension) {
     return __awaiter(this, void 0, void 0, function* () {
         let zend = ['xdebug', 'opcache', 'ioncube', 'eaccelerator'];