feat: add components

components/component-console.js

@@ -0,0 +1,61 @@
+var System = java.lang.System;
+
+var readLineEx = (prompt) => {
+    var ret = null;
+    while ((ret == null) || $STR(ret).trim() == '') {
+        ret = readLine(prompt);
+    }
+    return ret;
+};
+
+var readLine = (prompt) => {
+    print(prompt);
+    return System.console().readLine();
+};
+
+var readYNEx = (prompt) => {
+    var ret = null;
+    while (ret == null) {
+        ret = readYN(prompt);
+    }
+    return ret;
+};
+
+var readYN = (prompt) => {
+    print(prompt);
+    var read = readLine();
+    if ($STR(read).toLowerCase() == 'y') {
+        return true;
+    }
+    if ($STR(read).toLowerCase() == 'n') {
+        return false;
+    }
+    return null;
+};
+
+var readListToMark = (prompt, mark) => {
+    if (!(mark)) { throw 'Mark cannot be null or empty.'; }
+    print(prompt);
+    var list = [];
+    while (true) {
+        var ln = System.console().readLine();
+        if ($STR(ln) == $STR(mark)) {
+            return list;
+        }
+        list.push(ln);
+    }
+};
+
+var readListToCustomMark = (prompt) => {
+    var mark = readLineEx(prompt);
+    return readListToMark('', mark);
+};
+
+if (typeof exports == 'object') {
+    exports.readYN = readYN;
+    exports.readYNEx = readYNEx;
+    exports.readLine = readLine;
+    exports.readLineEx = readLineEx;
+    exports.readListToMark = readListToMark;
+    exports.readListToCustomMark = readListToCustomMark;
+}