refactor: enable full TypeScript strict mode

Switch from incremental strict flags to strict: true. Fix property
initializers with definite assignment assertions and inline defaults,
and annotate all catch clauses with unknown type.

Change-Id: I805047eebea7dc5414ff7001aca96eac5a099d02

main.ts

@@ -90,13 +90,13 @@ function cancellationNoticeKey(settings: PluginSettings | null, job: GenerationJ
 /* ---------- Plugin ---------- */
 
 class ParallelReaderPlugin extends Plugin {
-  settings: PluginSettings;
-  cache: Record<string, CacheEntry>;
-  jobs: GenerationJobManager;
-  _scrollDispose: (() => void) | null;
-  _settingsSaveTimer: ReturnType<typeof setTimeout> | null;
-  _cacheSaveTimer: ReturnType<typeof setTimeout> | null;
-  _cacheDirty: boolean;
+  settings!: PluginSettings;
+  cache!: Record<string, CacheEntry>;
+  jobs!: GenerationJobManager;
+  _scrollDispose: (() => void) | null = null;
+  _settingsSaveTimer: ReturnType<typeof setTimeout> | null = null;
+  _cacheSaveTimer: ReturnType<typeof setTimeout> | null = null;
+  _cacheDirty = false;
 
   t(key: string, vars?: Record<string, string | number>) {
     return translate(this.settings || DEFAULT_SETTINGS, key, vars);
@@ -296,8 +296,8 @@ class ParallelReaderPlugin extends Plugin {
       const parsed = JSON.parse(raw);
       if (parsed && typeof parsed === 'object' && parsed.entries && typeof parsed.entries === 'object')
         return parsed.entries;
-    } catch (e) {
-      const message = String(e?.message || e || '');
+    } catch (e: unknown) {
+      const message = String((e as Error)?.message || e || '');
       if (!/not found|does not exist|ENOENT/i.test(message))
         console.warn('[parallel-reader] failed to read cache.json', e);
     }

src/cli.ts

@@ -72,8 +72,8 @@ export function runCli(
             .join(':'),
         },
       });
-    } catch (e) {
-      return reject(new Error(`Failed to start ${cmd}: ${e.message}`));
+    } catch (e: unknown) {
+      return reject(new Error(`Failed to start ${cmd}: ${(e as Error).message}`));
     }
 
     let stdout = '';

src/settings-tab.ts

@@ -315,8 +315,8 @@ export class ParallelReaderSettingTab extends PluginSettingTab {
           try {
             const result = await testBackend(this.plugin.settings);
             new Notice(`✓ ${result.slice(0, 180)}`, 8000);
-          } catch (e) {
-            new Notice(tr('backendTestFailed', { error: e.message }), 10000);
+          } catch (e: unknown) {
+            new Notice(tr('backendTestFailed', { error: (e as Error).message }), 10000);
           }
         }),
       );

src/ui-helpers.ts

@@ -18,9 +18,9 @@ export function addIconButton(parent: HTMLElement, icon: string, title: string,
     e.stopPropagation();
     try {
       await onClick();
-    } catch (err) {
+    } catch (err: unknown) {
       console.error(err);
-      new Notice(`${title} failed: ` + (err.message || err));
+      new Notice(`${title} failed: ` + ((err as Error).message || err));
     }
   });
   return button;
@@ -44,9 +44,9 @@ export function addTextButton(
     e.stopPropagation();
     try {
       await onClick();
-    } catch (err) {
+    } catch (err: unknown) {
       console.error(err);
-      new Notice(`${label} failed: ` + (err.message || err));
+      new Notice(`${label} failed: ` + ((err as Error).message || err));
     }
   });
   return button;
@@ -56,7 +56,7 @@ export async function copyToClipboard(text: string, successMsg: string) {
   try {
     await navigator.clipboard.writeText(text);
     new Notice(successMsg);
-  } catch (e) {
-    new Notice('Copy failed: ' + (e.message || e));
+  } catch (e: unknown) {
+    new Notice('Copy failed: ' + ((e as Error).message || e));
   }
 }

src/view.ts

@@ -17,9 +17,9 @@ export class ParallelReaderView extends ItemView {
   sourceFile: TFile | null;
   cards: HTMLElement[];
   activeIdx: number;
-  stale: boolean;
-  loadingMessage: string;
-  errorMessage: string;
+  stale = false;
+  loadingMessage = '';
+  errorMessage = '';
 
   constructor(leaf: WorkspaceLeaf, plugin: PluginHost) {
     super(leaf);
@@ -28,8 +28,6 @@ export class ParallelReaderView extends ItemView {
     this.sourceFile = null;
     this.cards = [];
     this.activeIdx = -1;
-    this.loadingMessage = '';
-    this.errorMessage = '';
   }
 
   getViewType() {

tsconfig.json

@@ -6,12 +6,7 @@
     "moduleResolution": "Node",
     "lib": ["ES2022", "DOM"],
     "types": ["node"],
-    "strict": false,
-    "noImplicitAny": true,
-    "strictNullChecks": true,
-    "strictFunctionTypes": true,
-    "strictBindCallApply": true,
-    "noImplicitThis": true,
+    "strict": true,
     "noImplicitReturns": false,
     "skipLibCheck": true,
     "esModuleInterop": true,