const HEXES = "3b82f61d4ed822c55e15803def4444b91c1cff6a00cc5500ffc800cca00014b8a60f766edb3b7cb02e649356d46b3fa13341551e293bffbf00cc9900ffffffd3e2ef".match(
/.{6}/g
);
const COLORS = {
blue: 0,
green: 1,
red: 2,
orange: 3,
yellow: 4,
teal: 5,
pink: 6,
purple: 7,
slate: 8,
amber: 9,
white: 10
};
const CTX = document.createElement("canvas").getContext("2d");
const S = (w, h, r, x, y, p = "") => {
for (let j = 0; j < 4; j++) {
for (let i = 0; i < 31; i++) {
let q = ((j + i / 30) * Math.PI) / 2,
c = Math.cos(q),
s = Math.sin(q);
p +=
(j || i ? "L" : "M") +
(x +
(c > 0 ? w - r : r) +
Math.sign(c) * Math.pow(Math.abs(c), 0.6) * r) +
" " +
(y +
(s > 0 ? h - r : r) +
Math.sign(s) * Math.pow(Math.abs(s), 0.6) * r);
}
}
return p + "Z";
};
const createBtn = (cfg) => {
const el = document.createElement("div");
el.className = `inline-block no-select cursor-pointer ${cfg.class || ""}`;
let p = 0,
w = 0,
u = Math.random().toString(36).slice(2);
const render = () => {
const {
c = "blue",
l = "",
i = "",
h = 44,
sq = false,
floating = false
} = cfg;
const idx = COLORS[c] || 0,
hb = HEXES[idx * 2],
hd = HEXES[idx * 2 + 1],
white = c === "white";
const color = (hex, pct, k) => `color-mix(in srgb, #${hex} ${pct}%, ${k})`;
const hi = color(hb, 70, "white"),
sh = color(hd, 35, "black");
const scale = h / 40,
label = l.toUpperCase();
if (!w) {
CTX.font = "900 15px system-ui";
w = sq
? 48
: Math.ceil((CTX.measureText(label).width + (i ? 100 : 80)) * 1.1);
}
const faceY = 4 + p * 5,
baseY = 12,
z = Math.min(0.5, 20 / w);
const dy = floating ? 24 - p * 12 : 4 - p * 2,
std = floating ? 12 - p * 6 : 3 - p * 1.5,
op = floating ? 0.15 : 0.3;
el.style.width = el.classList.contains("w-full")
? "100%"
: `${(w + 10) * scale}px`;
el.style.height = `${60 * scale}px`;
el.innerHTML = `
<svg viewBox="0 0 ${
w + 10
} 60" style="width:100%;height:100%;overflow:visible" preserveAspectRatio="none">
<defs>
<filter id="b${u}" x="-100%" y="-100%" width="300%" height="300%"><feDropShadow dy="${dy}" stdDeviation="${std}" flood-color="${sh}" flood-opacity="${op}"/></filter>
<linearGradient id="g${u}">
<stop offset="0" stop-color="${color(
hd,
65,
"white"
)}"/>
<stop offset="${z}" stop-color="${color(
hd,
90,
"white"
)}"/>
<stop offset="${1 - z}" stop-color="${color(
hd,
90,
"white"
)}"/>
<stop offset="1" stop-color="${color(
hd,
65,
"white"
)}"/>
</linearGradient>
</defs>
<path d="${S(w, 40, 18, 5, baseY)}" fill="${color(
hd,
60,
"black"
)}" filter="url(#b${u})"/>
<path d="${S(w, 40, 18, 5, baseY)}" fill="${color(
hd,
80,
"black"
)}" stroke="${floating ? hi : color(hd, 50, "black")}" stroke-width="1"/>
${Array.from({ length: Math.max(0, baseY - faceY) })
.map(
(_, k) =>
`<path d="${S(
w,
40,
18,
5,
faceY + 1 + k
)}" fill="url(#g${u})"/>`
)
.join("")}
<path d="${S(w, 40, 18, 5, faceY)}" fill="${
white ? "#fff" : "#" + hb
}" stroke="${white ? "#e2e8f0" : hi}" stroke-width="1.5"/>
<text x="${5 + w / 2}" y="${
20 + faceY
}" text-anchor="middle" dominant-baseline="central" fill="${
white ? "#3b82f6" : "#fff"
}" style="pointer-events:none;font-weight:900">
<tspan style="font-family:'Material Icons';font-size:${
sq ? "26px" : "20px"
}" dy="1">${i}</tspan>
${
!sq
? `<tspan dx="${
i ? 8 : 0
}" dy="0" font-size="15" style="letter-spacing:1px;font-family:system-ui">${label}</tspan>`
: ""
}
</text>
</svg>`;
};
const press = (v) => {
p = v;
render();
};
el.onpointerdown = () => press(1);
el.onpointerup = el.onpointerleave = () => press(0);
new ResizeObserver(() => {
if (el.classList.contains("w-full")) {
w = el.offsetWidth / (cfg.h / 40) - 10;
render();
}
}).observe(el);
render();
return el;
};
[
{
t: "Button Palette",
b: Object.keys(COLORS).map((c) => ({ c, l: c, i: "palette" }))
},
{
t: "Square Icons",
b: Object.keys(COLORS).map((c) => ({ c, i: "fingerprint", sq: true }))
},
{
t: "Sizing & Layouts",
b: [
{ c: "blue", l: "Tiny", h: 30, i: "bolt" },
{ c: "teal", l: "Standard", h: 44, i: "rocket_launch" },
{ c: "pink", l: "Large & Long Label", h: 60, i: "celebration" },
{
c: "orange",
l: "Full Width Button",
h: 44,
i: "width_full",
class: "w-full block mt-4"
}
]
}
].forEach((s) => {
const sec = document.createElement("section");
sec.innerHTML = `<h2 class="text-sm font-black text-slate-500 uppercase tracking-widest mb-6">${s.t}</h2>`;
const wrap = document.createElement("div");
wrap.className = "flex flex-wrap gap-4";
s.b.forEach((b) => wrap.appendChild(createBtn(b)));
sec.appendChild(wrap);
document.getElementById("app").appendChild(sec);
});
document
.getElementById("float-root")
.appendChild(
createBtn({ c: "blue", i: "rocket", h: 64, sq: true, floating: true })
);
