overleaf/services/web/frontend/js/features/source-editor/hooks/use-included-file.ts

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import { useCodeMirrorStateContext } from '@/features/source-editor/components/codemirror-editor'
import { useFileTreePathContext } from '@/features/file-tree/contexts/file-tree-path'
import { useEditorManagerContext } from '@/features/ide-react/context/editor-manager-context'
import { useCallback } from 'react'
import { EditorState } from '@codemirror/state'
import { resolveCommandNode } from '@/features/source-editor/extensions/command-tooltip'
import {
FilePathArgument,
LiteralArgContent,
} from '@/features/source-editor/lezer-latex/latex.terms.mjs'
export const useIncludedFile = (argumentType: string) => {
const state = useCodeMirrorStateContext()
const { findEntityByPath } = useFileTreePathContext()
const { openDocId } = useEditorManagerContext()
const openIncludedFile = useCallback(() => {
const name = readIncludedPath(state, argumentType)
if (name) {
// TODO: find in relative path or root folder
for (const extension of ['.tex', '']) {
const result = findEntityByPath(`${name}${extension}`)
if (result) {
return openDocId(result.entity._id)
}
}
// TODO: handle file not found
}
}, [argumentType, findEntityByPath, openDocId, state])
return { openIncludedFile }
}
const readIncludedPath = (
state: EditorState,
argumentType: string | number
) => {
const commandNode = resolveCommandNode(state)
const argumentNode = commandNode
?.getChild(argumentType)
?.getChild(FilePathArgument)
?.getChild(LiteralArgContent)
if (argumentNode) {
return state.sliceDoc(argumentNode.from, argumentNode.to)
}
}