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2a70c11c5f
This was initially disabled for IE/Babel-related reasons that no longer apply. Signed-off-by: Anders Kaseorg <anders@zulip.com>
71 lines
1.2 KiB
TypeScript
71 lines
1.2 KiB
TypeScript
import _ from "lodash";
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export let unused_colors: string[];
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// These colors are used now for streams.
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const stream_colors = [
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"#76ce90",
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"#fae589",
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"#a6c7e5",
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"#e79ab5",
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"#bfd56f",
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"#f4ae55",
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"#b0a5fd",
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"#addfe5",
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"#f5ce6e",
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"#c2726a",
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"#94c849",
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"#bd86e5",
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"#ee7e4a",
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"#a6dcbf",
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"#95a5fd",
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"#53a063",
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"#9987e1",
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"#e4523d",
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"#c2c2c2",
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"#4f8de4",
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"#c6a8ad",
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"#e7cc4d",
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"#c8bebf",
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"#a47462",
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];
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// Shuffle our colors on page load to prevent
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// bias toward "early" colors.
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export const colors = _.shuffle(stream_colors);
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export function reset(): void {
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unused_colors = [...colors];
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}
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reset();
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export function claim_color(color: string): void {
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const i = unused_colors.indexOf(color);
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if (i < 0) {
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return;
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}
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unused_colors.splice(i, 1);
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if (unused_colors.length === 0) {
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reset();
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}
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}
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export function claim_colors(subs: {color: string}[]): void {
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const colors = new Set(subs.map((sub) => sub.color));
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for (const color of colors) {
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claim_color(color);
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}
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}
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export function pick_color(): string {
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const color = unused_colors[0];
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claim_color(color);
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return color;
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}
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