All files / src/renderer/lib/helpers dom.ts

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
88
89
90
91
92
93
1x
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1x
 
 
 
 
 
 
 
 
 
 
 
 
1x
 
 
 
 
 
 
 
 
 
 
1x
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1x
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
export const getEventNodeName = (e: unknown) => {
  if (!e) {
    return "";
  }
  return (
    (
      e as {
        target?: {
          nodeName?: string;
        };
      }
    ).target?.nodeName ?? ""
  );
};
 
export const getDeepActiveElement = (): Element | null => {
  let activeElement: Element | null = document.activeElement;
 
  while (
    activeElement instanceof HTMLElement &&
    activeElement.shadowRoot?.activeElement
  ) {
    activeElement = activeElement.shadowRoot.activeElement;
  }
 
  return activeElement;
};
 
const selectableInputTypes = new Set([
  "",
  "text",
  "search",
  "url",
  "tel",
  "password",
  "email",
  "number",
]);
 
export const canPerformSelectAll = (element: Element | null): boolean => {
  if (!element) {
    return false;
  }
 
  if (element instanceof HTMLInputElement) {
    return !element.disabled && selectableInputTypes.has(element.type);
  }
 
  if (element instanceof HTMLTextAreaElement) {
    return !element.disabled;
  }
 
  if (element instanceof HTMLElement && element.isContentEditable) {
    return true;
  }
 
  return false;
};
 
export const performSelectAll = (element: Element): boolean => {
  if (!canPerformSelectAll(element)) {
    return false;
  }
 
  if (element instanceof HTMLInputElement) {
    element.select();
    return true;
  }
 
  if (element instanceof HTMLTextAreaElement) {
    element.select();
    return true;
  }
 
  if (element instanceof HTMLElement && element.isContentEditable) {
    const selection = window.getSelection();
 
    if (!selection) {
      return false;
    }
 
    const range = document.createRange();
    range.selectNodeContents(element);
 
    selection.removeAllRanges();
    selection.addRange(range);
 
    return true;
  }
 
  return false;
};