Keep your work when the builder is offline
What the offline banner means, how to export your work as a file, what Deploy says while offline, and what to do when the connection returns.
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The banner
The builder keeps your experiment in the browser tab. Only Deploy sends it to the server. When the builder cannot connect to the server, a banner at the top says "The builder is offline". The line under the experiment name reads "Offline — Deploy does not work". Your work is still in this tab.
The banner appears, and the line under the name says that Deploy does not work. -
Export your work
Click Export JSON on the banner. The builder saves the experiment as a JSON file on your computer. The export needs no server, so it works while the builder is offline.
Export JSON on the banner saves the experiment as a file. -
Deploy while offline
Deploy does not work while the banner shows. If you click Deploy, then Update, the dialog says "The builder is offline — this update was NOT saved". The Export JSON link in the message also saves the file.
Update while offline: the dialog says that the update was not saved. -
When the connection returns
The builder checks the connection every 30 seconds. When the server answers, the banner closes and a message says "Connection restored. Deploy works again." Click Deploy, then click Update. If you closed the tab, open the builder and use Import JSON in the ⋯ menu.
The connection returns, and Update saves the experiment.