Is dirty flag available in codemirror?

1

We are using code mirror version 5.49.2. Does code mirror have an api or a flag to check if the code in the editor is dirty or in other words, if the user has edited the code in the editor? I am not looking at the ‘change’ event listener, which I understand will launch everytime there is a change, while what i am looking at is, if there is an api which can be called when required, to find out if the code is dirty.
Thanks in advance.

2

Look at the changeGeneration and isClean methods.

3

Thanks for the reply. Will check

4

@marijn is there something similar in v6?

5

No, but documents are structure-sharing persistent values, and comparing them is optimized to make use of this, so if you just want to check whether a the current document is the same as some previous one, keep a reference to that previous state.doc, and compare with cleanDoc.eq(state.doc) later.

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6

Thanks for your reply. I just want to be able to decide whether to save changes on blur event (via rest API)

7

Will cleanDoc.eq(state.doc) return true if all changes were undid since the editor was instantiated? If not, how can I check whether the document is clean in this sense?

8

Yes, eq on Text instances will be very fast when the documents share structure (aren’t created separately, but produced by modifying a shared root document), and will tell you whether a given document matches your reference document.