| 1 | // quickadd.js — the live detail pane. |
| 2 | // |
| 3 | // This file adds ONE thing: it asks the server what the sentence means |
| 4 | // while you type, and swaps the answer into the pane. It does not parse |
| 5 | // anything. There is no date logic here and there must never be: the |
| 6 | // server's parser is the one that decides what gets saved, so a second |
| 7 | // opinion in this file could only ever disagree with the thing that |
| 8 | // actually happens. |
| 9 | // |
| 10 | // Everything else already works without this file. The disclosure is a |
| 11 | // <details>, the form is a form, and submitting it creates the event. |
| 12 | // Turn JavaScript off and the feature is slower to check, not gone. |
| 13 | (function () { |
| 14 | "use strict"; |
| 15 | |
| 16 | var DEBOUNCE_MS = 220; |
| 17 | |
| 18 | function setup(root) { |
| 19 | var text = root.querySelector("[cal-quick-text]"); |
| 20 | var pane = root.querySelector("[cal-quick-pane]"); |
| 21 | if (!text || !pane) return; |
| 22 | |
| 23 | var timer = null; |
| 24 | var inflight = null; |
| 25 | var lastSent = null; |
| 26 | |
| 27 | function render(html) { |
| 28 | pane.innerHTML = html; |
| 29 | } |
| 30 | |
| 31 | function ask() { |
| 32 | var value = text.value.trim(); |
| 33 | if (value === lastSent) return; |
| 34 | lastSent = value; |
| 35 | |
| 36 | // An empty box goes back to the resting state without a round |
| 37 | // trip: the server would answer the same thing. |
| 38 | if (value === "") { |
| 39 | render('<p cal-quick-blank>Start typing and this will show what gets saved.</p>'); |
| 40 | return; |
| 41 | } |
| 42 | |
| 43 | // One request at a time. Without this, two keystrokes in flight |
| 44 | // can land out of order and the pane settles on the OLDER parse — |
| 45 | // a stale answer that looks authoritative. |
| 46 | if (inflight) inflight.abort(); |
| 47 | var ctrl = new AbortController(); |
| 48 | inflight = ctrl; |
| 49 | |
| 50 | var body = new URLSearchParams(); |
| 51 | body.set("text", value); |
| 52 | |
| 53 | fetch("/events/quick/parse", { |
| 54 | method: "POST", |
| 55 | credentials: "same-origin", |
| 56 | headers: { "Content-Type": "application/x-www-form-urlencoded" }, |
| 57 | body: body.toString(), |
| 58 | signal: ctrl.signal |
| 59 | }) |
| 60 | .then(function (res) { |
| 61 | if (!res.ok) throw new Error("parse " + res.status); |
| 62 | return res.text(); |
| 63 | }) |
| 64 | .then(function (html) { |
| 65 | if (ctrl !== inflight) return; |
| 66 | render(html); |
| 67 | }) |
| 68 | .catch(function (err) { |
| 69 | if (err && err.name === "AbortError") return; |
| 70 | // The pane is an enhancement; if it cannot be refreshed, say |
| 71 | // so rather than leaving a stale parse on screen looking |
| 72 | // current. Submitting still works — the server parses again. |
| 73 | render('<p cal-quick-blank>Could not check that just now. Adding it will still work.</p>'); |
| 74 | }); |
| 75 | } |
| 76 | |
| 77 | text.addEventListener("input", function () { |
| 78 | if (timer) clearTimeout(timer); |
| 79 | timer = setTimeout(ask, DEBOUNCE_MS); |
| 80 | }); |
| 81 | |
| 82 | // Opening the disclosure should put the cursor where the person is |
| 83 | // about to type. <details> fires "toggle" for every route in — |
| 84 | // pointer, keyboard, and the browser opening it to find text — so |
| 85 | // this covers them all where a click handler would cover one. |
| 86 | root.addEventListener("toggle", function () { |
| 87 | if (root.open) { |
| 88 | text.focus(); |
| 89 | ask(); |
| 90 | } |
| 91 | }); |
| 92 | |
| 93 | // Enter adds it. Shift+Enter is a newline, and Cmd/Ctrl+Enter adds |
| 94 | // it too — the chord people arrive from GitHub and Linear expecting. |
| 95 | // |
| 96 | // Enter can fire before the debounced parse has landed, so the pane |
| 97 | // may never have shown this sentence. That is ACCEPTABLE, and the |
| 98 | // reason is worth stating: the pane is a preview, never a gate. The |
| 99 | // server parses again on submit, so racing it can only mean "you did |
| 100 | // not get to look" — never "the wrong event was created". Anyone who |
| 101 | // wants to look pauses, which is the same pause the debounce needs. |
| 102 | text.addEventListener("keydown", function (e) { |
| 103 | if (e.key !== "Enter") return; |
| 104 | if (e.shiftKey) return; // a deliberate newline |
| 105 | // isComposing guards an IME: mid-composition Enter commits the |
| 106 | // candidate word and must not submit the form under it. |
| 107 | if (e.isComposing || e.keyCode === 229) return; |
| 108 | if (text.value.trim() === "") return; |
| 109 | e.preventDefault(); |
| 110 | submit(); |
| 111 | }); |
| 112 | |
| 113 | function submit() { |
| 114 | var form = root.querySelector("[cal-quick-form]"); |
| 115 | if (!form) return; |
| 116 | // requestSubmit fires submit handlers and honours validation the |
| 117 | // way a real button press does; form.submit() skips both. The |
| 118 | // button goes with it, so the busy rule shows its spinner on Add. |
| 119 | var button = form.querySelector("button[type=submit]"); |
| 120 | if (typeof form.requestSubmit === "function") { |
| 121 | form.requestSubmit(button || undefined); |
| 122 | return; |
| 123 | } |
| 124 | if (button) button.click(); |
| 125 | } |
| 126 | |
| 127 | // Escape closes, which is what every other popover on the web does. |
| 128 | root.addEventListener("keydown", function (e) { |
| 129 | if (e.key !== "Escape" || !root.open) return; |
| 130 | root.open = false; |
| 131 | var summary = root.querySelector("summary"); |
| 132 | if (summary) summary.focus(); |
| 133 | }); |
| 134 | |
| 135 | // The keyboard hint is revealed HERE rather than rendered in the |
| 136 | // template, because without this file Enter does nothing and a |
| 137 | // promise the page cannot keep is worse than no hint at all. |
| 138 | var hint = root.querySelector("[cal-quick-key]"); |
| 139 | if (hint) hint.hidden = false; |
| 140 | } |
| 141 | |
| 142 | function init() { |
| 143 | var boxes = document.querySelectorAll("[cal-quick]"); |
| 144 | for (var i = 0; i < boxes.length; i++) setup(boxes[i]); |
| 145 | } |
| 146 | |
| 147 | if (document.readyState === "loading") { |
| 148 | document.addEventListener("DOMContentLoaded", init); |
| 149 | } else { |
| 150 | init(); |
| 151 | } |
| 152 | })(); |
| 153 | |
amadan