+// Typescript doesn't know about MAX_SAFE_INTEGER?? This was supposed to be
+// fixed in typescript 2.0.1 in 2016, but is not working for me in typescript
+// 4.2.4 in 2022. :( https://github.com/microsoft/TypeScript/issues/9937
+//const MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER;
+const MAX_SAFE_INTEGER = 9007199254740991;
+
+// A sane split that splits N *times*, leaving the last chunk unsplit.
+function splitN(str: string, delimiter: string, limit: number = MAX_SAFE_INTEGER): string[] {
+ if (limit < 1) {
+ return [str];
+ }
+ const at = str.indexOf(delimiter);
+ return at === -1 ? [str] : [str.substring(0, at)].concat(splitN(str.substring(at + delimiter.length), delimiter, limit - 1));
+}
+
const Model = {
- createTask: function (description: string) {
+ createTask: function (timestamp: string, description: string) {
const task = document.createElement("div");
task.appendChild(document.createTextNode(description));
task.setAttribute("tabindex", "0");
+ task.setAttribute("data-created", timestamp);
return task;
},
- addTask: function (description: string) {
- document.body.appendChild(this.createTask(description));
+ addTask: function (timestamp: string, description: string) {
+ document.body.appendChild(this.createTask(timestamp, description)).focus();
},
- moveCursor: function (offset: number) {
+ moveCursor: function (offset: number): boolean {
var active = document.activeElement;
if (offset === 1 && active) {
active = active.nextElementSibling;
if (offset === -1 && active) {
active = active.previousElementSibling;
}
- if (active && active instanceof HTMLElement) active.focus();
+ if (active && active instanceof HTMLElement) {
+ active.focus();
+ return true;
+ }
+ return false;
+ },
+};
+
+const Log = (function () {
+ var next_log_index = 0;
+ return {
+ apply: function (entry: string) {
+ const [timestamp, command, data] = splitN(entry, " ", 2);
+ if (command == "Create") {
+ Model.addTask(timestamp, data);
+ }
+ },
+
+ record: function (entry: string) {
+ window.localStorage.setItem(`${next_log_index++}`, entry);
+ },
+
+ recordAndApply: function (entry: string) {
+ this.record(entry);
+ this.apply(entry);
+ },
+
+ replay: function () {
+ while (true) {
+ const entry = window.localStorage.getItem(`${next_log_index}`);
+ if (entry === null) {
+ break;
+ }
+ this.apply(entry);
+ next_log_index++;
+ }
+ },
+ };
+})();
+
+const UI = {
+ addTask: function (description: string) {
+ Log.recordAndApply(`${Date.now()} Create ${description}`);
+ },
+};
+
+const BrowserUI = {
+ addTask: function (form: any) {
+ if (form.taskName.value) {
+ UI.addTask(form.taskName.value);
+ form.taskName.value = "";
+ }
+ return false;
},
};
+function focusTaskNameInput(event: any) {
+ document.getElementById("taskName")!.focus();
+ event.preventDefault();
+}
+
function handleKey(event: any) {
if (event.target.tagName !== "INPUT") {
- if (event.key == "j") Model.moveCursor(1);
- if (event.key == "k") Model.moveCursor(-1);
+ if (event.key == "j") return Model.moveCursor(1);
+ if (event.key == "k") return Model.moveCursor(-1);
+ if (event.key == "c") return focusTaskNameInput(event);
}
}
-function browserCreateTask(form: any) {
- Model.addTask(form.taskName.value);
- form.taskName.value = "";
- return false;
-}
-
function browserInit() {
document.body.addEventListener("keydown", handleKey, { capture: false });
+ Log.replay();
}