]> git.scottworley.com Git - vopamoi/blame - vopamoi.ts
Use a prefix for localStorage keys
[vopamoi] / vopamoi.ts
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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) {
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18 const task = document.createElement("div");
19 task.appendChild(document.createTextNode(description));
799f4e89 20 task.setAttribute("class", "task");
13c97b99 21 task.setAttribute("tabindex", "0");
4101e1b1 22 task.setAttribute("data-created", timestamp);
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23 return task;
24 },
974848d3 25
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26 addTask: function (timestamp: string, description: string) {
27 document.body.appendChild(this.createTask(timestamp, description)).focus();
13c97b99 28 },
974848d3 29
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30 getTask: function (createTimestamp: string) {
31 for (const task of document.getElementsByClassName("task")) {
32 if (task.getAttribute("data-created") === createTimestamp) {
33 return task;
34 }
35 }
36 },
37
38 destroyTask: function (createTimestamp: string) {
39 const task = this.getTask(createTimestamp);
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40 if (task) {
41 task.parentElement!.removeChild(task);
42 }
43 },
44
45 setState: function (stateTimestamp: string, createTimestamp: string, state: string) {
46 const task = this.getTask(createTimestamp);
47 if (task) {
48 task.setAttribute(`data-${state}`, stateTimestamp);
49 if (task instanceof HTMLElement) {
50 task.style.display = "none"; // Until view filtering
51 }
52 }
799f4e89 53 },
13c97b99 54};
f1afad9b 55
d03daa19 56function Log(prefix: string = "vp-") {
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57 var next_log_index = 0;
58 return {
e88c099c 59 apply: function (entry: string) {
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60 const [timestamp, command, data] = splitN(entry, " ", 2);
61 if (command == "Create") {
4101e1b1 62 Model.addTask(timestamp, data);
60a63831 63 }
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64 if (command == "Destroy") {
65 Model.destroyTask(data.split(" ", 1)[0]);
66 }
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67 if (command == "State") {
68 const [createTimestamp, state] = splitN(data, " ", 1);
69 Model.setState(timestamp, createTimestamp, state);
70 }
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71 },
72
e88c099c 73 record: function (entry: string) {
d03daa19 74 window.localStorage.setItem(`${prefix}${next_log_index++}`, entry);
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75 },
76
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77 recordAndApply: function (entry: string) {
78 this.record(entry);
79 this.apply(entry);
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80 },
81
82 replay: function () {
83 while (true) {
d03daa19 84 const entry = window.localStorage.getItem(`${prefix}${next_log_index}`);
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85 if (entry === null) {
86 break;
87 }
e88c099c 88 this.apply(entry);
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89 next_log_index++;
90 }
91 },
92 };
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93}
94const log = Log();
262705dd 95
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96const UI = {
97 addTask: function (description: string) {
d03daa19 98 log.recordAndApply(`${Date.now()} Create ${description}`);
e88c099c 99 },
799f4e89 100 destroyTask: function (createTimestamp: string) {
d03daa19 101 log.recordAndApply(`${Date.now()} Destroy ${createTimestamp} ${Model.getTask(createTimestamp)?.textContent}`);
799f4e89 102 },
01f41859 103 setState: function (createTimestamp: string, state: string) {
d03daa19 104 log.recordAndApply(`${Date.now()} State ${createTimestamp} ${state}`);
01f41859 105 },
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106};
107
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108const BrowserUI = {
109 addTask: function (form: any) {
110 if (form.taskName.value) {
111 UI.addTask(form.taskName.value);
112 form.taskName.value = "";
113 }
114 return false;
115 },
09657615 116
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117 destroyTask: function () {
118 const createTimestamp = document.activeElement?.getAttribute("data-created");
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119 this.moveCursor(1) || this.moveCursor(-1);
120 return UI.destroyTask(createTimestamp!);
799f4e89 121 },
caa93fd1 122
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123 focusTaskNameInput: function (event: any) {
124 document.getElementById("taskName")!.focus();
125 event.preventDefault();
126 },
127
128 moveCursor: function (offset: number): boolean {
129 var active = document.activeElement;
130 if (offset === 1 && active) {
131 active = active.nextElementSibling;
132 }
133 if (offset === -1 && active) {
134 active = active.previousElementSibling;
135 }
136 if (active && active instanceof HTMLElement) {
137 active.focus();
138 return true;
139 }
140 return false;
141 },
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142
143 setState: function (state: string) {
144 const createTimestamp = document.activeElement?.getAttribute("data-created");
145 this.moveCursor(1) || this.moveCursor(-1);
146 return UI.setState(createTimestamp!, state);
147 },
09657615 148};
06ee32a1 149
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150function handleKey(event: any) {
151 if (event.target.tagName !== "INPUT") {
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152 if (event.key == "j") return BrowserUI.moveCursor(1);
153 if (event.key == "k") return BrowserUI.moveCursor(-1);
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154 if (event.key == "n") return BrowserUI.focusTaskNameInput(event);
155 if (event.key == "s") return BrowserUI.setState("someday-maybe");
156 if (event.key == "w") return BrowserUI.setState("waiting");
157 if (event.key == "d") return BrowserUI.setState("done");
158 if (event.key == "c") return BrowserUI.setState("cancelled");
799f4e89 159 if (event.key == "X") return BrowserUI.destroyTask();
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160 }
161}
162
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163function browserInit() {
164 document.body.addEventListener("keydown", handleKey, { capture: false });
d03daa19 165 log.replay();
f1afad9b 166}