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Defer evaluation onInitalized

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Joel Einbinder 2017-05-12 16:25:04 -07:00 committed by Andrey Lushnikov
parent e8af69e5bb
commit 2b0d0e6551
1 changed files with 9 additions and 0 deletions
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9
phantomjs/WebPage.js
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@ -52,6 +52,9 @@ class WebPage {
this.onLoadFinished = null;
this.onResourceError = null;
this.onResourceReceived = null;
this.onInitialized = null;
this._deferEvaluate = false;
this.libraryPath = path.dirname(scriptPath);
this._onConfirm = undefined;
@ -192,6 +195,10 @@ class WebPage {
*/
open(url, callback) {
console.assert(arguments.length <= 2, 'WebPage.open does not support METHOD and DATA arguments');
this._deferEvaluate = true;
if (typeof this.onInitialized === 'function')
this.onInitialized();
this._deferEvaluate = false;
this._page.navigate(url).then(result => {
var status = result ? 'success' : 'fail';
if (!result) {
@ -219,6 +226,8 @@ class WebPage {
* @param {!Array<!Object>} args
*/
evaluate(fun, ...args) {
if (this._deferEvaluate)
return await(this._page.evaluateOnInitialized(fun, ...args));
return await(this._page.evaluate(fun, ...args));
}