54 lines
2.2 KiB
TypeScript
54 lines
2.2 KiB
TypeScript
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/**
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* Where a comment arriving from the editor should be filed.
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*
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* Inline drafts are keyed by directory and session, and the composer reads
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* exactly one key: the current session's, or `draft` while a new-session draft
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* is open. A panel that has just been opened knows its directory before it has
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* selected its session, so filing on the first snapshot that has a directory
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* put the draft under `draft`, a key that panel's composer never reads. The
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* chip never appeared while the editor thread reported it attached.
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*/
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export interface CommentTargetSnapshot {
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currentSessionId: string | null;
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/** The current session's directory, when the session has one. */
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sessionDirectory: string | null;
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/** Whether a new-session draft is open, and the directory it points at. */
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draftOpen: boolean;
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draftDirectory: string | null;
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/** The webview's current directory, the last resort. */
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currentDirectory: string | null;
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}
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export interface CommentTarget {
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directory: string;
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sessionKey: string;
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}
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/**
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* The draft key for this snapshot, or null while the surface is not yet
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* showing the session the comment is for.
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*
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* @param targetSessionId the session the extension delivered the comment to,
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* when it knows one (a session panel); undefined for the sidebar and a
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* new-session panel, which file wherever their composer currently is
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*/
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export function resolveCommentTarget(snapshot: CommentTargetSnapshot, targetSessionId?: string): CommentTarget | null {
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const { currentSessionId } = snapshot;
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if (targetSessionId) {
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if (currentSessionId !== targetSessionId) return null;
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const directory = snapshot.sessionDirectory ?? snapshot.currentDirectory;
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return directory ? { directory, sessionKey: targetSessionId } : null;
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}
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if (currentSessionId) {
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const directory = snapshot.sessionDirectory ?? snapshot.currentDirectory;
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return directory ? { directory, sessionKey: currentSessionId } : null;
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}
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if (snapshot.draftOpen) {
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const directory = snapshot.draftDirectory ?? snapshot.currentDirectory;
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return directory ? { directory, sessionKey: 'draft' } : null;
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}
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// No session and no draft yet: the surface is still booting.
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return null;
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}
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