]> git.scottworley.com Git - vopamoi/blame - vopamoi.ts
moveCursor returns whether it was able to or not
[vopamoi] / vopamoi.ts
CommitLineData
121d9948
SW
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;
5const MAX_SAFE_INTEGER = 9007199254740991;
6
7// A sane split that splits N *times*, leaving the last chunk unsplit.
8function 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
13c97b99 16const Model = {
4101e1b1 17 createTask: function (timestamp: string, description: string) {
13c97b99
SW
18 const task = document.createElement("div");
19 task.appendChild(document.createTextNode(description));
20 task.setAttribute("tabindex", "0");
4101e1b1 21 task.setAttribute("data-created", timestamp);
13c97b99
SW
22 return task;
23 },
974848d3 24
4101e1b1
SW
25 addTask: function (timestamp: string, description: string) {
26 document.body.appendChild(this.createTask(timestamp, description)).focus();
13c97b99 27 },
974848d3 28
7523dc89 29 moveCursor: function (offset: number): boolean {
13c97b99
SW
30 var active = document.activeElement;
31 if (offset === 1 && active) {
32 active = active.nextElementSibling;
33 }
34 if (offset === -1 && active) {
35 active = active.previousElementSibling;
36 }
7523dc89
SW
37 if (active && active instanceof HTMLElement) {
38 active.focus();
39 return true;
40 }
41 return false;
13c97b99
SW
42 },
43};
f1afad9b 44
60a63831
SW
45const Log = (function () {
46 var next_log_index = 0;
47 return {
e88c099c 48 apply: function (entry: string) {
60a63831
SW
49 const [timestamp, command, data] = splitN(entry, " ", 2);
50 if (command == "Create") {
4101e1b1 51 Model.addTask(timestamp, data);
60a63831
SW
52 }
53 },
54
e88c099c 55 record: function (entry: string) {
60a63831
SW
56 window.localStorage.setItem(`${next_log_index++}`, entry);
57 },
58
e88c099c
SW
59 recordAndApply: function (entry: string) {
60 this.record(entry);
61 this.apply(entry);
60a63831
SW
62 },
63
64 replay: function () {
65 while (true) {
66 const entry = window.localStorage.getItem(`${next_log_index}`);
67 if (entry === null) {
68 break;
69 }
e88c099c 70 this.apply(entry);
60a63831
SW
71 next_log_index++;
72 }
73 },
74 };
75})();
262705dd 76
e88c099c
SW
77const UI = {
78 addTask: function (description: string) {
79 Log.recordAndApply(`${Date.now()} Create ${description}`);
80 },
81};
82
06ee32a1
SW
83function focusTaskNameInput(event: any) {
84 document.getElementById("taskName")!.focus();
85 event.preventDefault();
86}
87
f1afad9b
SW
88function handleKey(event: any) {
89 if (event.target.tagName !== "INPUT") {
06ee32a1
SW
90 if (event.key == "j") return Model.moveCursor(1);
91 if (event.key == "k") return Model.moveCursor(-1);
92 if (event.key == "c") return focusTaskNameInput(event);
f1afad9b
SW
93 }
94}
95
974848d3 96function browserCreateTask(form: any) {
f1b121ab 97 if (form.taskName.value) {
e88c099c 98 UI.addTask(form.taskName.value);
f1b121ab 99 }
974848d3
SW
100 form.taskName.value = "";
101 return false;
102}
f1afad9b
SW
103
104function browserInit() {
105 document.body.addEventListener("keydown", handleKey, { capture: false });
60a63831 106 Log.replay();
f1afad9b 107}