overleaf/services/web/frontend/js/features/file-tree/contexts/file-tree-create-name.jsx

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import { createContext, useContext, useMemo, useReducer } from 'react'
import { isCleanFilename } from '../util/safe-path'
import PropTypes from 'prop-types'
const FileTreeCreateNameContext = createContext()
export const useFileTreeCreateName = () => {
const context = useContext(FileTreeCreateNameContext)
if (!context) {
throw new Error(
'useFileTreeCreateName is only available inside FileTreeCreateNameProvider'
)
}
return context
}
export default function FileTreeCreateNameProvider({
children,
initialName = '',
}) {
const [state, setName] = useReducer(
(state, name) => ({
name, // the file name
touchedName: true, // whether the name has been edited
}),
{
name: initialName,
touchedName: false,
}
)
// validate the file name
const validName = useMemo(() => isCleanFilename(state.name.trim()), [state])
return (
<FileTreeCreateNameContext.Provider
value={{ ...state, setName, validName }}
>
{children}
</FileTreeCreateNameContext.Provider>
)
}
FileTreeCreateNameProvider.propTypes = {
children: PropTypes.oneOfType([
PropTypes.arrayOf(PropTypes.node),
PropTypes.node,
]).isRequired,
initialName: PropTypes.string,
}