The document that will be saved.
The reason why save was triggered.
Allows to pause the event loop and to apply pre-save-edits. Edits of subsequent calls to this function will be applied in order. The edits will be ignored if concurrent modifications of the document happened.
Note: This function can only be called during event dispatch and not in an asynchronous manner:
workspace.onWillSaveTextDocument(event => {
// async, will *throw* an error
setTimeout(() => event.waitUntil(promise));
// sync, OK
event.waitUntil(promise);
})
A thenable that resolves to pre-save-edits.
Allows to pause the event loop until the provided thenable resolved.
Note: This function can only be called during event dispatch.
A thenable that delays saving.
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An event that is fired when a document will be saved.
To make modifications to the document before it is being saved, call the
waitUntil-function with a thenable that resolves to an array of text edits.