fix moon-phase.js bug

1 files changed, 21 insertions, 20 deletions

diff --git a/js/moon-phase.js b/js/moon-phase.js
index 5511bca..a8a3bae 100644
--- a/js/moon-phase.js
+++ b/js/moon-phase.js
@@ -1,8 +1,6 @@
 // truncated to the day, America/Chicago time
 // only includes moons through end of 2024 (brown lunation number 1262)
 moons = [
-19585, 19593, 19599, 19606,
-19614, 19622, 19629, 19636,
 19644, 19651, 19658, 19666,
 19674, 19681, 19688, 19695,
 19703, 19710, 19717, 19725,
@@ -20,29 +18,32 @@ moons = [
 20058, 20065, 20072, 20079,
 20087, 20094, 20101, 20109
 ]
-icons = ['\u{1f311}', '\u{1f313}', '\u{1f315}', '\u{1f317}']
-icons_inverted = ['\u{1f315}', '\u{1f317}', '\u{1f311}', '\u{1f313}']
+icons = ['\u{1f311}\ufe0e', '\u{1f313}\ufe0e', '\u{1f315}\ufe0e', '\u{1f317}\ufe0e']
+// icons_inverted = ['\u{1f315}', '\u{1f317}', '\u{1f311}', '\u{1f313}']
 
-function getMoonsString(disable_emoji, inverted_icons) {
-	today = Math.floor((Date.now() - 18e6) / 86.4e6)
-
-	next_index = moons.findIndex((element) => element >= today)
-	next_days = moons.slice(next_index, next_index + 4)
+function getMoonsString(date) {
+	next_phase = moons.findIndex((e) => e >= date)
+	next_four_phases = moons.slice(next_phase, next_phase + 4)
 
 	str = ""
-	for (let i = today; i < today + 30; i++) {
-		j = next_days.indexOf(i) + 1
-		if(j != 0) {
-			icon = disable_emoji && inverted_icons ? icons_inverted[j%4] : icons[j%4]
-			str = str.concat(icon)
-			if(disable_emoji)
-				str = str.concat('\ufe0e')
-		}
-		else str = str.concat('\u2500')
-	}
+
+	// unrolled loop just to git er done
+	str = str.concat('\u2500'.repeat(next_four_phases[0] - date))
+		.concat(icons[next_phase % 4])
+
+		.concat('\u2500'.repeat(next_four_phases[1] - next_four_phases[0] - 1))
+		.concat(icons[(next_phase + 1) % 4])
+
+		.concat('\u2500'.repeat(next_four_phases[2] - next_four_phases[1] - 1))
+		.concat(icons[(next_phase + 2) % 4])
+
+		.concat('\u2500'.repeat(next_four_phases[3] - next_four_phases[2] - 1))
+		.concat(icons[(next_phase + 3) % 4])
+
 	return str
 }
 
 document.addEventListener('DOMContentLoaded', (event) => {
-	document.getElementById('decor-moons').innerHTML = getMoonsString(true, false)
+	today = Math.floor((Date.now() - 18e6) / 86.4e6)
+	document.getElementById('decor-moons').innerHTML = getMoonsString(today)
 })