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1
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export function hslaString(hslcolor) { |
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2
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if (hslcolor.a !== undefined) { |
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3
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return ( |
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4
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"hsla(" + |
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5
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hslcolor.h + |
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6
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"," + |
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7
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hslcolor.s + |
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8
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"%," + |
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9
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hslcolor.l + |
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10
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"%," + |
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11
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parseFloat(hslcolor.a, 10) + |
|
12
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")" |
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13
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); |
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14
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} |
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15
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return "hsl(" + hslcolor.h + "," + hslcolor.s + "%," + hslcolor.l + "%)"; |
|
16
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} |
|
17
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18
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export function rgbaString(hexcolor) { |
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19
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if (hexcolor.a !== undefined) { |
|
20
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return ( |
|
21
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"rgba(" + |
|
22
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hexcolor.r + |
|
23
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"," + |
|
24
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hexcolor.g + |
|
25
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"," + |
|
26
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hexcolor.b + |
|
27
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"," + |
|
28
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parseFloat(hexcolor.a, 10) + |
|
29
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")" |
|
30
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); |
|
31
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} |
|
32
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return "rgb(" + hexcolor.r + "," + hexcolor.g + "," + hexcolor.b + ")"; |
|
33
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} |
|
34
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|
35
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export function parseHalf(foo) { |
|
36
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return parseInt(foo / 2, 10); |
|
37
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} |
|
38
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|
39
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export function compact(array) { |
|
40
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let index = -1, |
|
41
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length = array ? array.length : 0, |
|
42
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resIndex = 0, |
|
43
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result = []; |
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44
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|
45
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while (++index < length) { |
|
46
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let value = array[index]; |
|
47
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if (value) { |
|
48
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result[resIndex++] = value; |
|
49
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} |
|
50
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} |
|
51
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return result; |
|
52
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} |
|
53
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|
54
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export function omit(obj, fn) { |
|
55
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var target = {}; |
|
56
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for (var i in obj) { |
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|
57
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|
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if (fn(i)) { |
|
58
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continue; |
|
59
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} |
|
60
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|
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if (!Object.prototype.hasOwnProperty.call(obj, i)) { |
|
61
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continue; |
|
62
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} |
|
63
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target[i] = obj[i]; |
|
64
|
|
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} |
|
65
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|
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return target; |
|
66
|
|
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} |
|
67
|
|
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|
|
68
|
|
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export function serializeOptions(options) { |
|
69
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|
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if (typeof options !== "object") { |
|
70
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|
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return null; |
|
71
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|
|
} |
|
72
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|
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var cleanOptions = omit(options, function(prop) { |
|
73
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|
|
return prop.indexOf("gm_") === 0; |
|
74
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|
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}), |
|
75
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|
|
sortedOpts = Object.entries(cleanOptions) |
|
76
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|
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.filter(function(item) { |
|
77
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|
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return ( |
|
78
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|
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typeof item[1] !== "function" && |
|
79
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|
|
typeof item[1] !== "object" && |
|
80
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|
|
item[1] !== null && |
|
81
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|
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typeof item[1] !== "undefined" |
|
82
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|
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); |
|
83
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|
|
}) |
|
84
|
|
|
.sort(); |
|
85
|
|
|
return JSON.stringify(sortedOpts); |
|
86
|
|
|
} |
|
87
|
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When iterating over the keys of an object, this includes not only the keys of the object, but also keys contained in the prototype of that object. It is generally a best practice to check for these keys specifically: