Ben Stull
bc77cee0bd
Spec §6.4: replace the scheme!=file / !isUnderRoot rejections with a single !isAuthorable branch. isUnderRoot retained as a routing input. Per-condition messaging (#24) kept for no-editor / empty-selection / non-{file,untitled}. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
63 lines
2.6 KiB
TypeScript
63 lines
2.6 KiB
TypeScript
/**
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* workspacePath — pure, vscode-free helpers for the "is this document one
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* Cowriting can anchor to?" decision (F2/F3/F4 require a SAVED file under the
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* workspace folder, because threads/attribution/proposals persist to a
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* `.threads/` sidecar beside that file).
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*
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* Split out so the membership test and the per-condition warning are
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* deterministic and unit-testable with no editor — see `test/workspacePath.test.ts`.
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*/
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import * as path from "node:path";
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/**
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* Is `fsPath` the workspace root or a path strictly inside it?
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*
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* Uses a path-separator boundary, NOT a bare `startsWith(root)` — otherwise a
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* sibling whose name merely begins with the root's name would falsely match
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* (e.g. `.../vscode-cowriting-plugin-content/x` vs root `.../vscode-cowriting-plugin`).
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*/
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export function isUnderRoot(fsPath: string, root: string): boolean {
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return fsPath === root || fsPath.startsWith(root + path.sep);
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}
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/**
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* Documents Cowriting can author on: a saved file OR an unsaved buffer (F8 §6.2).
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* F8 widened membership from "saved file under the workspace folder" to any
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* `file:`/`untitled:` doc — the SidecarRouter then routes where its artifact is
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* stored (repo `.threads/` in-workspace, global storage otherwise). `isUnderRoot`
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* (above) is retained as that ROUTING input, no longer an authoring gate.
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*/
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export function isAuthorable(scheme: string): boolean {
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return scheme === "file" || scheme === "untitled";
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}
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export interface SelectionContext {
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/** Is there an active text editor at all? */
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hasEditor: boolean;
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/** Is the active editor's selection empty (no highlight)? */
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selectionEmpty: boolean;
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/** The active document's URI scheme (`file`, `untitled`, …). */
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scheme: string;
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}
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/**
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* Why a selection can't be sent to Claude — or `null` if it can. F8 widened the
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* membership: any `file:` or `untitled:` document is authorable (in-workspace
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* files persist to the repo `.threads/` sidecar, out-of-workspace/untitled to
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* global storage — the router decides). Only a non-{file,untitled} scheme (a
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* read-only `git:`/`output:` view), a missing editor, or an empty selection is
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* refused — each with its OWN message (#24's per-condition messaging).
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*/
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export function selectionRejection(ctx: SelectionContext): string | null {
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if (!ctx.hasEditor) {
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return "Cowriting: focus a text editor with a selection first.";
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}
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if (ctx.selectionEmpty) {
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return "Cowriting: select some text to send to Claude first.";
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}
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if (!isAuthorable(ctx.scheme)) {
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return "Cowriting: this kind of document can't be edited — Cowriting authors on a file or an untitled buffer, not a read-only view.";
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}
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return null;
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}
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