feat: scripts

scripts/viewjson.js

@@ -0,0 +1,37 @@
+#! /usr/bin/env runjs
+
+var argsEx = require('component-args.js');
+
+var System = java.lang.System;
+var FastJSON = Packages.com.alibaba.fastjson.JSON;
+var RStream = Packages.me.hatter.tools.commons.io.RStream;
+
+var main = () => {
+    var args = argsEx.parseDefARGs(['h', 'help', 'n']);
+    if (args.flg('h', 'help')) {
+        println('viewjson.js [FLAGS] [FILENAME]');
+        println(' -h, --help         Print help');
+        println(' -n                 Do not print new line at last')
+        return;
+    }
+    var json = null;
+    if (args.length < 1) {
+        json = RStream.from(System.in).string();
+    } else {
+        var j = $$.file(args[0]);
+        if (!(j.exists())) {
+            xprintln('[ERROR] File not exists: ' + j);
+            return;
+        }
+        json = $$.rFile(j).string();
+    }
+
+    try {
+        var formatedJSON = FastJSON.toJSONString($$.parseJSON(json), true).replaceAll('\t', '    ');
+        if (args.flg('n')) { print(formatedJSON) } else { println(formatedJSON); }
+    } catch (e) {
+        xprintln('[ERROR] Parse JSON failed.');
+    }
+};
+
+main();