added log module

haxetool/log.js

@@ -0,0 +1,64 @@
+const colors = require('ansi-colors');
+const timestamp = require('time-stamp');
+
+
+const Level = {
+  VERBOSE: -1,
+  DEBUG: 0,
+  INFO: 1,
+  WARN: 2,
+  ERROR: 3,
+};
+
+const level = process.argv.indexOf('--verbose') > -1 ? Level.VERBOSE : Level.INFO;
+
+
+class Log {
+
+    static colorize(pattern) {
+        for (const item of [
+            ['_', colors.cyan],
+            ['\\*', colors.magenta],
+            ['!', colors.red],
+        ]) {
+            const r = new RegExp(item[0] + "(.*?)" + item[0], 'g');
+            pattern = pattern.replace(r, item[1]('$1'));
+        }
+        return pattern
+    }
+
+    static write(level, tag, pattern, ...args) {
+        if (level >= this.level) {
+            const message = `[${colors.gray(timestamp('HH:mm:ss'))}] ${colors.green(tag)} ${this.colorize(pattern)}`;
+            console.log(message, ...args)
+        }
+    }
+
+    constructor(tag) {
+        this.tag = tag;
+    }
+
+    v(...args) {
+        Log.write(-1, this.tag, ...args);
+    }
+
+    d(...args) {
+        Log.write(0, this.tag, ...args);
+    }
+
+    i(...args) {
+        Log.write(1, this.tag, ...args);
+    }
+
+    w(...args) {
+        Log.write(2, this.tag, ...args);
+    }
+
+    e(...args) {
+        Log.write(3, this.tag, ...args);
+    }
+}
+
+Log.level = level;
+
+module.exports = (tag) => new Log(tag);