git.scottworley.com Git - vopamoi/blob - vopamoi.ts

   1 // Typescript doesn't know about MAX_SAFE_INTEGER??  This was supposed to be
   2 // fixed in typescript 2.0.1 in 2016, but is not working for me in typescript
   3 // 4.2.4 in 2022.  :( https://github.com/microsoft/TypeScript/issues/9937
   4 //const MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER;
   5 const MAX_SAFE_INTEGER = 9007199254740991;
   6
   7 // A sane split that splits N *times*, leaving the last chunk unsplit.
   8 function splitN(str: string, delimiter: string, limit: number = MAX_SAFE_INTEGER): string[] {
   9   if (limit < 1) {
  10     return [str];
  11   }
  12   const at = str.indexOf(delimiter);
  13   return at === -1 ? [str] : [str.substring(0, at)].concat(splitN(str.substring(at + delimiter.length), delimiter, limit - 1));
  14 }
  15
  16 // A clock that never goes backwards; monotonic.
  17 function Clock() {
  18   var previousNow = Date.now();
  19   return {
  20     now: function (): number {
  21       const now = Date.now();
  22       if (now > previousNow) {
  23         previousNow = now;
  24         return now;
  25       }
  26       return ++previousNow;
  27     },
  28   };
  29 }
  30 const clock = Clock();
  31
  32 // Returns a promise for a hue based on a hash of the string
  33 function hashHue(str: string) {
  34   // Using crypto for this is overkill
  35   return crypto.subtle.digest("SHA-256", new TextEncoder().encode(str)).then((buf) => (new Uint16Array(buf)[0] * 360) / 2 ** 16);
  36 }
  37
  38 function Model() {
  39   return {
  40     addTask: function (timestamp: string, description: string): Element {
  41       const task = document.createElement("div");
  42       const desc = document.createElement("span");
  43       desc.textContent = description;
  44       desc.classList.add("desc");
  45       task.appendChild(desc);
  46       task.classList.add("task");
  47       task.setAttribute("tabindex", "0");
  48       task.setAttribute("data-created", timestamp);
  49       task.setAttribute("data-state", "todo");
  50       const tasks = document.getElementById("tasks")!;
  51       tasks.insertBefore(task, tasks.firstElementChild);
  52       return task;
  53     },
  54
  55     addTag: function (createTimestamp: string, tagName: string): Element | null {
  56       const task = this.getTask(createTimestamp);
  57       if (!task) return null;
  58       const existingTag = this.hasTag(task, tagName);
  59       if (existingTag) return existingTag;
  60       const tag = document.createElement("span");
  61       tag.appendChild(document.createTextNode(tagName));
  62       tag.classList.add("tag");
  63       tag.setAttribute("tabindex", "0");
  64       hashHue(tagName).then((hue) => (tag.style.backgroundColor = `hsl(${hue},90%,45%)`));
  65       for (const child of task.getElementsByClassName("tag")) {
  66         if (tagName > child.textContent!) {
  67           task.insertBefore(tag, child);
  68           return tag;
  69         }
  70       }
  71       task.insertBefore(tag, task.getElementsByClassName("desc")[0]!);
  72       return tag;
  73     },
  74
  75     edit: function (createTimestamp: string, newDescription: string): Element | null {
  76       const target = this.getTask(createTimestamp);
  77       if (!target) return null;
  78       if (target.hasAttribute("data-description")) {
  79         // Oh no: An edit has arrived from a replica while a local edit is in progress.
  80         const input = target.getElementsByTagName("input")[0]!;
  81         if (
  82           input.value === target.getAttribute("data-description") &&
  83           input.selectionStart === input.value.length &&
  84           input.selectionEnd === input.value.length
  85         ) {
  86           // No local changes have actually been made yet.  Change the contents of the edit box!
  87           input.value = newDescription;
  88         } else {
  89           // No great options.
  90           // Prefer not to interrupt the local user's edit.
  91           // The remote edit is mostly lost; this mostly becomes last-write-wins.
  92           target.setAttribute("data-description", newDescription);
  93         }
  94       } else {
  95         target.getElementsByClassName("desc")[0].textContent = newDescription;
  96       }
  97       return target;
  98     },
  99
 100     hasTag: function (task: Element, tag: string): Element | null {
 101       for (const child of task.getElementsByClassName("tag")) {
 102         if (child.textContent === tag) {
 103           return child;
 104         }
 105       }
 106       return null;
 107     },
 108
 109     getPriority: function (task: Element): number {
 110       if (task.hasAttribute("data-priority")) {
 111         return parseFloat(task.getAttribute("data-priority")!);
 112       }
 113       return parseFloat(task.getAttribute("data-created")!);
 114     },
 115
 116     getTask: function (createTimestamp: string) {
 117       for (const task of document.getElementsByClassName("task")) {
 118         if (task.getAttribute("data-created") === createTimestamp) {
 119           return task;
 120         }
 121       }
 122     },
 123
 124     insertInPriorityOrder: function (task: Element, dest: Element) {
 125       const priority = this.getPriority(task);
 126       for (const t of dest.children) {
 127         if (t !== task && this.getPriority(t) < priority) {
 128           dest.insertBefore(task, t);
 129           return;
 130         }
 131       }
 132       dest.appendChild(task);
 133     },
 134
 135     removeTag: function (createTimestamp: string, tagName: string) {
 136       const task = this.getTask(createTimestamp);
 137       if (!task) return null;
 138       const tag = this.hasTag(task, tagName);
 139       if (!tag) return;
 140       task.removeChild(tag);
 141       if (task instanceof HTMLElement) task.focus();
 142     },
 143
 144     setPriority: function (createTimestamp: string, priority: number): Element | null {
 145       const target = this.getTask(createTimestamp);
 146       if (!target) return null;
 147       target.setAttribute("data-priority", `${priority}`);
 148       this.insertInPriorityOrder(target, target.parentElement!);
 149       return target;
 150     },
 151
 152     setState: function (stateTimestamp: string, createTimestamp: string, state: string) {
 153       const task = this.getTask(createTimestamp);
 154       if (!task) return;
 155       task.setAttribute("data-state", state);
 156       var date = task.getElementsByClassName("statedate")[0];
 157       if (state === "todo") {
 158         task.removeChild(date);
 159         return;
 160       }
 161       if (!date) {
 162         date = document.createElement("span");
 163         date.classList.add("statedate");
 164         task.insertBefore(date, task.firstChild);
 165       }
 166       const d = new Date(parseInt(stateTimestamp));
 167       date.textContent = `${d.getFullYear()}-${`${d.getMonth() + 1}`.padStart(2, "0")}-${`${d.getDate()}`.padStart(2, "0")}`;
 168     },
 169   };
 170 }
 171 const model = Model();
 172
 173 function Log(prefix: string = "vp-") {
 174   var next_log_index = 0;
 175   return {
 176     apply: function (entry: string) {
 177       const [timestamp, command, data] = splitN(entry, " ", 2);
 178       if (command == "Create") {
 179         return model.addTask(timestamp, data);
 180       }
 181       if (command == "Edit") {
 182         const [createTimestamp, description] = splitN(data, " ", 1);
 183         return model.edit(createTimestamp, description);
 184       }
 185       if (command == "Priority") {
 186         const [createTimestamp, newPriority] = splitN(data, " ", 1);
 187         return model.setPriority(createTimestamp, parseFloat(newPriority));
 188       }
 189       if (command == "State") {
 190         const [createTimestamp, state] = splitN(data, " ", 1);
 191         return model.setState(timestamp, createTimestamp, state);
 192       }
 193       if (command == "Tag") {
 194         const [createTimestamp, tag] = splitN(data, " ", 1);
 195         return model.addTag(createTimestamp, tag);
 196       }
 197       if (command == "Untag") {
 198         const [createTimestamp, tag] = splitN(data, " ", 1);
 199         return model.removeTag(createTimestamp, tag);
 200       }
 201     },
 202
 203     record: function (entry: string) {
 204       window.localStorage.setItem(`${prefix}${next_log_index++}`, entry);
 205     },
 206
 207     recordAndApply: function (entry: string) {
 208       this.record(entry);
 209       return this.apply(entry);
 210     },
 211
 212     replay: function () {
 213       document.getElementById("tasks")!.style.display = "none";
 214       while (true) {
 215         const entry = window.localStorage.getItem(`${prefix}${next_log_index}`);
 216         if (entry === null) {
 217           break;
 218         }
 219         this.apply(entry);
 220         next_log_index++;
 221       }
 222       document.getElementById("tasks")!.style.display = "";
 223     },
 224   };
 225 }
 226 const log = Log();
 227
 228 function UI() {
 229   const undoLog: string[][] = [];
 230   const redoLog: string[][] = [];
 231   function perform(forward: string, reverse: string) {
 232     undoLog.push([reverse, forward]);
 233     return log.recordAndApply(`${clock.now()} ${forward}`);
 234   }
 235   return {
 236     addTask: function (description: string): Element {
 237       const now = clock.now();
 238       undoLog.push([`State ${now} deleted`, `State ${now} todo`]);
 239       return <Element>log.recordAndApply(`${now} Create ${description}`);
 240     },
 241     addTag: function (createTimestamp: string, tag: string) {
 242       return perform(`Tag ${createTimestamp} ${tag}`, `Untag ${createTimestamp} ${tag}`);
 243     },
 244     edit: function (createTimestamp: string, newDescription: string, oldDescription: string) {
 245       return perform(`Edit ${createTimestamp} ${newDescription}`, `Edit ${createTimestamp} ${oldDescription}`);
 246     },
 247     removeTag: function (createTimestamp: string, tag: string) {
 248       return perform(`Untag ${createTimestamp} ${tag}`, `Tag ${createTimestamp} ${tag}`);
 249     },
 250     setPriority: function (createTimestamp: string, newPriority: number, oldPriority: number) {
 251       return perform(`Priority ${createTimestamp} ${newPriority}`, `Priority ${createTimestamp} ${oldPriority}`);
 252     },
 253     setState: function (createTimestamp: string, newState: string, oldState: string) {
 254       return perform(`State ${createTimestamp} ${newState}`, `State ${createTimestamp} ${oldState}`);
 255     },
 256     undo: function () {
 257       const entry = undoLog.pop();
 258       if (entry) {
 259         redoLog.push(entry);
 260         return log.recordAndApply(`${clock.now()} ${entry[0]}`);
 261       }
 262     },
 263     redo: function () {
 264       const entry = redoLog.pop();
 265       if (entry) {
 266         undoLog.push(entry);
 267         return log.recordAndApply(`${clock.now()} ${entry[1]}`);
 268       }
 269     },
 270   };
 271 }
 272 const ui = UI();
 273
 274 enum CommitOrAbort {
 275   Commit,
 276   Abort,
 277 }
 278
 279 function BrowserUI() {
 280   const viewColors: { [key: string]: string } = {
 281     all: "Gold",
 282     cancelled: "Red",
 283     deleted: "Black",
 284     done: "LawnGreen",
 285     "someday-maybe": "DeepSkyBlue",
 286     todo: "White",
 287     waiting: "MediumOrchid",
 288   };
 289   var currentTagView: string | null = null;
 290   var currentViewState = "todo";
 291   var taskFocusedBeforeJumpingToInput: HTMLElement | null = null;
 292   var lastTagNameEntered = "";
 293   return {
 294     addTask: function (event: KeyboardEvent) {
 295       const input = <HTMLInputElement>document.getElementById("taskName");
 296       if (input.value.match(/^ *$/)) return;
 297       const task = ui.addTask(input.value);
 298       if (currentViewState === "todo" || currentViewState === "all") {
 299         task instanceof HTMLElement && task.focus();
 300       } else if (this.returnFocusAfterInput()) {
 301       } else {
 302         this.firstVisibleTask()?.focus();
 303       }
 304       input.value = "";
 305       if (event.getModifierState("Control")) {
 306         this.makeBottomPriority(task);
 307       }
 308     },
 309
 310     beginEdit: function (event: Event) {
 311       const task = this.currentTask();
 312       if (!task) return;
 313       const input = document.createElement("input");
 314       const desc = task.getElementsByClassName("desc")[0];
 315       const oldDescription = desc.textContent!;
 316       task.setAttribute("data-description", oldDescription);
 317       input.value = oldDescription;
 318       input.addEventListener("blur", this.completeEdit, { once: true });
 319       desc.textContent = "";
 320       task.insertBefore(input, task.firstChild);
 321       input.focus();
 322       event.preventDefault();
 323     },
 324
 325     beginTagEdit: function (event: Event) {
 326       const task = this.currentTask();
 327       if (!task) return;
 328       const input = document.createElement("input");
 329       input.classList.add("tag");
 330       input.addEventListener("blur", this.completeTagEdit, { once: true });
 331       input.value = lastTagNameEntered;
 332       task.appendChild(input);
 333       input.focus();
 334       input.select();
 335       event.preventDefault();
 336     },
 337
 338     completeEdit: function (event: Event, resolution: CommitOrAbort = CommitOrAbort.Commit) {
 339       const input = event.target as HTMLInputElement;
 340       const task = input.parentElement!;
 341       const desc = task.getElementsByClassName("desc")[0];
 342       const oldDescription = task.getAttribute("data-description")!;
 343       const newDescription = input.value;
 344       input.removeEventListener("blur", this.completeEdit);
 345       task.removeChild(input);
 346       task.removeAttribute("data-description");
 347       task.focus();
 348       if (resolution === CommitOrAbort.Abort || newDescription.match(/^ *$/) || newDescription === oldDescription) {
 349         desc.textContent = oldDescription;
 350       } else {
 351         ui.edit(task.getAttribute("data-created")!, newDescription, oldDescription);
 352       }
 353     },
 354
 355     completeTagEdit: function (event: Event, resolution: CommitOrAbort = CommitOrAbort.Commit) {
 356       const input = event.target as HTMLInputElement;
 357       const task = input.parentElement!;
 358       const newTagName = input.value;
 359       input.removeEventListener("blur", this.completeTagEdit);
 360       task.removeChild(input);
 361       task.focus();
 362       if (resolution === CommitOrAbort.Commit && !newTagName.match(/^ *$/) && !model.hasTag(task, newTagName)) {
 363         ui.addTag(task.getAttribute("data-created")!, newTagName);
 364         lastTagNameEntered = newTagName;
 365       }
 366     },
 367
 368     currentTag: function (): Element | null {
 369       var target = document.activeElement;
 370       if (!target) return null;
 371       if (target.classList.contains("task")) {
 372         const tags = target.getElementsByClassName("tag");
 373         target = tags[tags.length - 1];
 374       }
 375       if (!target || !target.classList.contains("tag")) return null;
 376       return target;
 377     },
 378
 379     currentTask: function (): HTMLElement | null {
 380       var target = document.activeElement;
 381       if (!target) return null;
 382       if (target.classList.contains("tag")) target = target.parentElement!;
 383       return target as HTMLElement;
 384     },
 385
 386     firstVisibleTask: function (root: Element | null = null) {
 387       if (root === null) root = document.body;
 388       for (const task of root.getElementsByClassName("task")) {
 389         const state = task.getAttribute("data-state");
 390         if (
 391           task instanceof HTMLElement &&
 392           (state === currentViewState || (currentViewState === "all" && state !== "deleted")) &&
 393           !task.classList.contains("hide")
 394         ) {
 395           return task;
 396         }
 397       }
 398     },
 399
 400     focusTaskNameInput: function (event: Event) {
 401       taskFocusedBeforeJumpingToInput = this.currentTask();
 402       document.getElementById("taskName")!.focus();
 403       window.scroll(0, 0);
 404       event.preventDefault();
 405     },
 406
 407     visibleTaskAtOffset(task: Element, offset: number): Element {
 408       var cursor: Element | null = task;
 409       var valid_cursor = cursor;
 410       const increment = offset / Math.abs(offset);
 411       while (true) {
 412         cursor = increment > 0 ? cursor.nextElementSibling : cursor.previousElementSibling;
 413         if (!cursor || !(cursor instanceof HTMLElement)) break;
 414         const state = cursor.getAttribute("data-state")!;
 415         if (
 416           (state === currentViewState || (currentViewState === "all" && state !== "deleted")) &&
 417           !cursor.classList.contains("hide")
 418         ) {
 419           offset -= increment;
 420           valid_cursor = cursor;
 421         }
 422         if (Math.abs(offset) < 0.5) break;
 423       }
 424       return valid_cursor;
 425     },
 426
 427     jumpCursor: function (position: number) {
 428       const first = this.firstVisibleTask();
 429       if (!first) return;
 430       const dest = this.visibleTaskAtOffset(first, position - 1);
 431       if (dest instanceof HTMLElement) dest.focus();
 432     },
 433
 434     makeBottomPriority: function (task: Element | null = null) {
 435       if (!task) task = this.currentTask();
 436       if (!task) return;
 437       this.setPriority(task, document.getElementById("tasks")!.lastElementChild, null);
 438     },
 439
 440     makeTopPriority: function (task: Element | null = null) {
 441       if (!task) task = this.currentTask();
 442       if (!task) return;
 443       ui.setPriority(task.getAttribute("data-created")!, clock.now(), model.getPriority(task));
 444       task instanceof HTMLElement && task.focus();
 445     },
 446
 447     moveCursorLeft: function () {
 448       const active = this.currentTask();
 449       if (!active) return false;
 450       if (active.parentElement!.classList.contains("task")) {
 451         active.parentElement!.focus();
 452       }
 453     },
 454
 455     moveCursorRight: function () {
 456       const active = this.currentTask();
 457       if (!active) return false;
 458       (this.firstVisibleTask(active) as HTMLElement | null)?.focus();
 459     },
 460
 461     moveCursorVertically: function (offset: number): boolean {
 462       const active = this.currentTask();
 463       if (!active) return false;
 464       const dest = this.visibleTaskAtOffset(active, offset);
 465       if (dest !== active && dest instanceof HTMLElement) {
 466         dest.focus();
 467         return true;
 468       }
 469       return false;
 470     },
 471
 472     moveTask: function (offset: number) {
 473       const active = this.currentTask();
 474       if (!active) return;
 475       const dest = this.visibleTaskAtOffset(active, offset);
 476       if (dest === active) return; // Already extremal
 477       var onePastDest: Element | null = this.visibleTaskAtOffset(dest, offset / Math.abs(offset));
 478       if (onePastDest == dest) onePastDest = null; // Will become extremal
 479       if (offset > 0) {
 480         this.setPriority(active, dest, onePastDest);
 481       } else {
 482         this.setPriority(active, onePastDest, dest);
 483       }
 484     },
 485
 486     removeTag: function () {
 487       const target = this.currentTag();
 488       if (!target) return;
 489       ui.removeTag(target.parentElement!.getAttribute("data-created")!, target.textContent!);
 490     },
 491
 492     resetTagView: function () {
 493       currentTagView = null;
 494       const taskList = document.getElementById("tasks")!;
 495       for (const task of Array.from(document.getElementsByClassName("task"))) {
 496         task.classList.remove("hide");
 497         if (task.parentElement !== taskList) {
 498           model.insertInPriorityOrder(task, taskList);
 499         }
 500       }
 501     },
 502
 503     resetView: function () {
 504       this.setView("todo");
 505       this.resetTagView();
 506     },
 507
 508     returnFocusAfterInput: function (): boolean {
 509       if (taskFocusedBeforeJumpingToInput) {
 510         taskFocusedBeforeJumpingToInput.focus();
 511         return true;
 512       }
 513       return false;
 514     },
 515
 516     // Change task's priority to be between other tasks a and b.
 517     setPriority: function (task: Element, a: Element | null, b: Element | null) {
 518       const aPriority = a === null ? clock.now() : model.getPriority(a);
 519       const bPriority = b === null ? 0 : model.getPriority(b);
 520       console.assert(aPriority > bPriority, aPriority, ">", bPriority);
 521       const span = aPriority - bPriority;
 522       const newPriority = bPriority + 0.1 * span + 0.8 * span * Math.random();
 523       console.assert(aPriority > newPriority && newPriority > bPriority, aPriority, ">", newPriority, ">", bPriority);
 524       const newPriorityRounded = Math.round(newPriority);
 525       const okToRound = aPriority > newPriorityRounded && newPriorityRounded > bPriority;
 526       ui.setPriority(task.getAttribute("data-created")!, okToRound ? newPriorityRounded : newPriority, model.getPriority(task));
 527       task instanceof HTMLElement && task.focus();
 528     },
 529
 530     setState: function (newState: string) {
 531       const task = this.currentTask();
 532       if (!task) return;
 533       const oldState = task.getAttribute("data-state")!;
 534       if (newState === oldState) return;
 535       const createTimestamp = task.getAttribute("data-created")!;
 536       if (currentViewState !== "all" || newState == "deleted") {
 537         this.moveCursorVertically(1) || this.moveCursorVertically(-1);
 538       }
 539       return ui.setState(createTimestamp, newState, oldState);
 540     },
 541
 542     setTagView: function (tag: string | null = null) {
 543       if (tag === null) {
 544         const target = this.currentTag();
 545         if (!target) return;
 546         tag = target.textContent!;
 547       }
 548
 549       if (currentTagView !== null) {
 550         this.resetTagView();
 551       }
 552
 553       const tasksWithTag = new Map();
 554       for (const task of document.getElementsByClassName("task")) {
 555         if (model.hasTag(task, tag)) {
 556           tasksWithTag.set(task.getElementsByClassName("desc")[0].textContent, [model.getPriority(task), task]);
 557         }
 558       }
 559
 560       function highestPrioritySuperTask(t: Element) {
 561         var maxPriority = -1;
 562         var superTask = null;
 563         for (const child of t.getElementsByClassName("tag")) {
 564           const e = tasksWithTag.get(child.textContent);
 565           if (e !== undefined && e[0] > maxPriority) {
 566             maxPriority = e[0];
 567             superTask = e[1];
 568           }
 569         }
 570         return superTask;
 571       }
 572
 573       for (const task of Array.from(document.getElementsByClassName("task"))) {
 574         if (model.hasTag(task, tag)) {
 575           task.classList.remove("hide");
 576         } else {
 577           const superTask = highestPrioritySuperTask(task);
 578           if (superTask !== null) {
 579             model.insertInPriorityOrder(task, superTask);
 580           } else {
 581             task.classList.add("hide");
 582           }
 583         }
 584       }
 585
 586       currentTagView = tag;
 587     },
 588
 589     setView: function (state: string) {
 590       const sheet = (document.getElementById("viewStyle") as HTMLStyleElement).sheet!;
 591       if (state === "all") {
 592         sheet.insertRule(`.task[data-state=deleted] { display: none }`);
 593       } else {
 594         sheet.insertRule(`.task:not([data-state=${state}]) { display: none }`);
 595       }
 596       sheet.insertRule(`:root { --view-state-indicator-color: ${viewColors[state]}; }`);
 597       sheet.removeRule(2);
 598       sheet.removeRule(2);
 599       currentViewState = state;
 600       if (this.currentTask()?.getAttribute("data-state") !== state) {
 601         this.firstVisibleTask()?.focus();
 602       }
 603     },
 604
 605     setUntaggedView: function () {
 606       if (currentTagView !== null) {
 607         this.resetTagView();
 608       }
 609       for (const task of document.getElementsByClassName("task")) {
 610         if (task.getElementsByClassName("tag").length === 0) {
 611           task.classList.remove("hide");
 612         } else {
 613           task.classList.add("hide");
 614         }
 615       }
 616     },
 617
 618     undo: function () {
 619       const ret = ui.undo();
 620       if (ret && ret instanceof HTMLElement) ret.focus();
 621     },
 622     redo: function () {
 623       const ret = ui.redo();
 624       if (ret && ret instanceof HTMLElement) ret.focus();
 625     },
 626   };
 627 }
 628 const browserUI = BrowserUI();
 629
 630 const scrollIncrement = 60;
 631 enum InputState {
 632   Root,
 633   S,
 634   V,
 635   VS,
 636 }
 637 var inputState = InputState.Root;
 638 var inputCount: number | null = null;
 639
 640 function handleKey(event: any) {
 641   if (["Alt", "Control", "Meta", "Shift"].includes(event.key)) return;
 642   if (event.target.tagName === "INPUT") {
 643     if (event.target.id === "taskName") {
 644       if (event.key == "Enter") return browserUI.addTask(event);
 645       if (event.key == "Escape") return browserUI.returnFocusAfterInput();
 646     } else if (event.target.classList.contains("tag")) {
 647       if (event.key == "Enter") return browserUI.completeTagEdit(event);
 648       if (event.key == "Escape") return browserUI.completeTagEdit(event, CommitOrAbort.Abort);
 649     } else {
 650       if (event.key == "Enter") return browserUI.completeEdit(event);
 651       if (event.key == "Escape") return browserUI.completeEdit(event, CommitOrAbort.Abort);
 652     }
 653   } else {
 654     if (inputState === InputState.Root) {
 655       if ("0" <= event.key && event.key <= "9") {
 656         return (inputCount = (inputCount ?? 0) * 10 + parseInt(event.key));
 657       }
 658       try {
 659         if (event.ctrlKey) {
 660           if (event.key == "e") return window.scrollBy(0, (inputCount ?? 1) * scrollIncrement);
 661           if (event.key == "y") return window.scrollBy(0, (inputCount ?? 1) * -scrollIncrement);
 662         } else {
 663           if (event.key == "h") return browserUI.moveCursorLeft();
 664           if (event.key == "l") return browserUI.moveCursorRight();
 665           if (event.key == "j") return browserUI.moveCursorVertically(inputCount ?? 1);
 666           if (event.key == "k") return browserUI.moveCursorVertically(-(inputCount ?? 1));
 667           if (event.key == "J") return browserUI.moveTask(inputCount ?? 1);
 668           if (event.key == "K") return browserUI.moveTask(-(inputCount ?? 1));
 669           if (event.key == "G") return browserUI.jumpCursor(inputCount ?? MAX_SAFE_INTEGER);
 670           if (event.key == "T") return browserUI.makeTopPriority();
 671           if (event.key == "n") return browserUI.focusTaskNameInput(event);
 672           if (event.key == "c") return browserUI.setState("cancelled");
 673           if (event.key == "d") return browserUI.setState("done");
 674           if (event.key == "q") return browserUI.setState("todo");
 675           if (event.key == "s") return (inputState = InputState.S);
 676           if (event.key == "w") return browserUI.setState("waiting");
 677           if (event.key == "X") return browserUI.setState("deleted");
 678           if (event.key == "x") return browserUI.removeTag();
 679           if (event.key == "u") return browserUI.undo();
 680           if (event.key == "r") return browserUI.redo();
 681           if (event.key == "e") return browserUI.beginEdit(event);
 682           if (event.key == "t") return browserUI.beginTagEdit(event);
 683           if (event.key == "v") return (inputState = InputState.V);
 684         }
 685       } finally {
 686         inputCount = null;
 687       }
 688     } else if (inputState === InputState.S) {
 689       inputState = InputState.Root;
 690       if (event.key == "m") return browserUI.setState("someday-maybe");
 691     } else if (inputState === InputState.V) {
 692       inputState = InputState.Root;
 693       if (event.key == "a") return browserUI.setView("all");
 694       if (event.key == "c") return browserUI.setView("cancelled");
 695       if (event.key == "d") return browserUI.setView("done");
 696       if (event.key == "i") return browserUI.setUntaggedView();
 697       if (event.key == "p") return browserUI.setTagView("Project");
 698       if (event.key == "q") return browserUI.setView("todo");
 699       if (event.key == "s") return (inputState = InputState.VS);
 700       if (event.key == "T") return browserUI.resetTagView();
 701       if (event.key == "t") return browserUI.setTagView();
 702       if (event.key == "u") return browserUI.setUntaggedView();
 703       if (event.key == "v") return browserUI.resetView();
 704       if (event.key == "w") return browserUI.setView("waiting");
 705       if (event.key == "x") return browserUI.setView("deleted");
 706     } else if (inputState === InputState.VS) {
 707       inputState = InputState.Root;
 708       if (event.key == "m") return browserUI.setView("someday-maybe");
 709     }
 710   }
 711 }
 712
 713 function browserInit() {
 714   log.replay();
 715   browserUI.firstVisibleTask()?.focus();
 716   document.body.addEventListener("keydown", handleKey, { capture: false });
 717 }