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Handle new/old observations of FS

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This commit is contained in:
Dustin Brett
2025-01-24 18:08:55 -08:00
parent 5237150fc5
commit 7654e927f9
1 changed files with 30 additions and 7 deletions
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37
contexts/fileSystem/useFileSystemContextState.ts
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@@ -47,6 +47,8 @@ export type FileSystemObserver = {
type FileSystemChangeRecord = {
relativePathComponents: string[];
relativePathMovedFrom: string[] | null;
type: "appeared" | "disappeared" | "moved";
};
declare global {
@@ -330,13 +332,34 @@ const useFileSystemContextState = (): FileSystemContextState => {
let observer: FileSystemObserver | undefined;
if ("FileSystemObserver" in window) {
observer = new window.FileSystemObserver((records) =>
records.forEach(({ relativePathComponents }) =>
updateFolder(
join(mappedPath, ...relativePathComponents.slice(0, -1))
)
)
);
observer = new window.FileSystemObserver(([record]) => {
const {
relativePathComponents,
relativePathMovedFrom,
type,
} = record;
let newFile = "";
let oldFile = "";
if (type === "appeared") {
newFile =
relativePathComponents[relativePathComponents.length - 1];
} else if (type === "disappeared") {
oldFile =
relativePathComponents[relativePathComponents.length - 1];
} else if (relativePathMovedFrom && type === "moved") {
oldFile =
relativePathMovedFrom[relativePathMovedFrom.length - 1];
newFile =
relativePathComponents[relativePathComponents.length - 1];
}
updateFolder(
join(mappedPath, ...relativePathComponents.slice(0, -1)),
newFile,
oldFile
);
});
observer.observe(handle, { recursive: true });
}