build tooltip support preamble

ecomfe · Apr 24, 2018 · fdd6008 · fdd6008
1 parent 52690da
commit fdd6008
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/build/helper.js b/build/helper.js
@@ -146,10 +146,11 @@ exports.travelSrcDir = function (srcDir, cb) {
  * @param {string} [opt]
  * @param {string} [opt.inputPath] Absolute input path.
  * @param {string} [opt.outputPath] Absolute output path.
+ * @param {string} [opt.preamble]
  * @param {Function} [opt.transform]
  * @param {Function} [opt.reserveDEV]
  */
-exports.prePulishSrc = function ({inputPath, outputPath, transform, reserveDEV}) {
+exports.prePulishSrc = function ({inputPath, outputPath, preamble, transform, reserveDEV}) {
  assert(inputPath && outputPath);
 
  console.log(
@@ -173,6 +174,10 @@ exports.prePulishSrc = function ({inputPath, outputPath, transform, reserveDEV})
  code = transform({code, inputPath, outputPath});
  }
 
+ if (preamble) {
+ code = preamble + code;
+ }
+
  fsExtra.ensureFileSync(outputPath);
  fs.writeFileSync(outputPath, code, {encoding:'utf-8'});
 };