1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87

import {els} from "./dom";

const keys: string[] = [];

function call(mockup: Element, sel: string, f: (el: HTMLElement) => void) {
  const q = mockup.querySelectorAll(sel);
  if (q.length === 0) {
    throw new Error("empty query selector [" + sel + "]");
  }
  q.forEach((x) => f(x as HTMLElement));
}

function setBG(mockup: Element, sel: string, v: string) {
  call(mockup, sel, (el) => {
    el.style.backgroundColor = v;
  });
}

function setFG(mockup: Element, sel: string, v: string) {
  call(mockup, sel, (el) => {
    el.style.color = v;
  });
}

function set(mode: string, key: string, v: string) {
  const mockup = document.querySelector("#mockup-" + mode);
  if (!mockup) {
    console.error("can't find mockup for mode [" + mode + "]");
    return;
  }
  switch (key) {
    case "color-foreground":
      setFG(mockup, ".mock-main", v);
      break;
    case "color-background":
      setBG(mockup, ".mock-main", v);
      break;
    case "color-foreground-muted":
      setFG(mockup, ".mock-main .mock-muted", v);
      break;
    case "color-background-muted":
      setBG(mockup, ".mock-main .mock-muted", v);
      break;
    case "color-link-foreground":
      setFG(mockup, ".mock-main .mock-link", v);
      break;
    case "color-link-visited-foreground":
      setFG(mockup, ".mock-main .mock-link-visited", v);
      break;
    case "color-nav-foreground":
      setFG(mockup, ".mock-nav", v);
      setFG(mockup, ".mock-nav .mock-link", v);
      break;
    case "color-nav-background":
      setBG(mockup, ".mock-nav", v);
      break;
    case "color-menu-foreground":
      setFG(mockup, ".mock-menu", v);
      setFG(mockup, ".mock-menu .mock-link", v);
      break;
    case "color-menu-background":
      setBG(mockup, ".mock-menu", v);
      break;
    case "color-menu-selected-foreground":
      setFG(mockup, ".mock-menu .mock-link-selected", v);
      break;
    case "color-menu-selected-background":
      setBG(mockup, ".mock-menu .mock-link-selected", v);
      break;
    default:
      console.error("invalid key [" + key + "]");
  }
}

export function themeInit() {
  for (const el of els<HTMLInputElement>(".color-var")) {
    const v = el.dataset.var as string;
    const m = el.dataset.mode as string;
    keys.push(v);
    if (!v || v.length === 0) {
      continue;
    }
    el.oninput = () => {
      set(m, v, el.value);
    };
  }
}