Add "preamble" output option

Close #335
2013-10-29 10:43:43 +02:00
parent 0358e376f0
commit f1b7094a57
3 changed files with 19 additions and 1 deletions
--- a/lib/output.js
+++ b/lib/output.js
@@ -61,6 +61,7 @@ function OutputStream(options) {
        comments      : false,
        preserve_line : false,
        screw_ie8     : false,
+        preamble      : null,
    }, true);

    var indentation = 0;
@@ -299,6 +300,10 @@ function OutputStream(options) {
        return OUTPUT;
    };

+    if (options.preamble) {
+        print(options.preamble.replace(/\r\n?|[\n\u2028\u2029]|\s*$/g, "\n"));
+    }
+
    var stack = [];
    return {
        get             : get,