forked from SheetJS/sheetjs
-
-
Notifications
You must be signed in to change notification settings - Fork 36
/
shim.js
154 lines (137 loc) · 7.4 KB
/
shim.js
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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
/*! shim.js (C) 2013-present SheetJS -- http://sheetjs.com */
/* ES3/5 Compatibility shims and other utilities for older browsers. */
// From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/keys
if(!Object.keys) Object.keys = (function() {
var hasOwnProperty = Object.prototype.hasOwnProperty,
hasDontEnumBug = !({toString: null}).propertyIsEnumerable('toString'),
dontEnums = [
'toString',
'toLocaleString',
'valueOf',
'hasOwnProperty',
'isPrototypeOf',
'propertyIsEnumerable',
'constructor'
],
dontEnumsLength = dontEnums.length;
return function(obj) {
if(typeof obj !== 'object' && typeof obj !== 'function' || obj === null) throw new TypeError('Object.keys called on non-object');
var result = [];
for(var prop in obj) if(hasOwnProperty.call(obj, prop)) result.push(prop);
if(hasDontEnumBug)
for(var i=0; i < dontEnumsLength; ++i)
if(hasOwnProperty.call(obj, dontEnums[i])) result.push(dontEnums[i]);
return result;
};
})();
if(!String.prototype.trim) String.prototype.trim = function() {
var s = this.replace(/^\s+/, '');
for(var i = s.length - 1; i >=0 ; --i) if(!s.charAt(i).match(/^\s/)) return s.slice(0,i+1);
return "";
};
if(!Array.prototype.forEach) Array.prototype.forEach = function(cb) {
var len = (this.length>>>0), self = (arguments[1]||void 0);
for(var i=0; i<len; ++i) if(i in this) self ? cb.call(self, this[i], i, this) : cb(this[i], i, this);
};
if(!Array.prototype.map) Array.prototype.map = function(cb) {
var len = (this.length>>>0), self = (arguments[1]||void 0), A = new Array(len);
for(var i=0; i<len; ++i) if(i in this) A[i] = self ? cb.call(self, this[i], i, this) : cb(this[i], i, this);
return A;
};
if(!Array.prototype.indexOf) Array.prototype.indexOf = function(needle) {
var len = (this.length>>>0), i = ((arguments[1]|0)||0);
for(i<0 && (i+=len)<0 && (i=0); i<len; ++i) if(this[i] === needle) return i;
return -1;
};
if(!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(needle) {
var len = (this.length>>>0), i = len - 1;
for(; i>=0; --i) if(this[i] === needle) return i;
return -1;
};
if(!Array.isArray) Array.isArray = function(obj) { return Object.prototype.toString.call(obj) === "[object Array]"; };
if(!Date.prototype.toISOString) Date.prototype.toISOString = (function() {
function p(n,i) { return ('0000000' + n).slice(-(i||2)); }
return function _toISOString() {
var y = this.getUTCFullYear(), yr = "";
if(y>9999) yr = '+' + p( y, 6);
else if(y<0) yr = '-' + p(-y, 6);
else yr = p( y, 4);
return [
yr, p(this.getUTCMonth()+1), p(this.getUTCDate())
].join('-') + 'T' + [
p(this.getUTCHours()), p(this.getUTCMinutes()), p(this.getUTCSeconds())
].join(':') + '.' + p(this.getUTCMilliseconds(),3) + 'Z';
};
}());
if(typeof ArrayBuffer !== 'undefined' && !ArrayBuffer.prototype.slice) ArrayBuffer.prototype.slice = function(start, end) {
if(start == null) start = 0;
if(start < 0) { start += this.byteLength; if(start < 0) start = 0; }
if(start >= this.byteLength) return new Uint8Array(0);
if(end == null) end = this.byteLength;
if(end < 0) { end += this.byteLength; if(end < 0) end = 0; }
if(end > this.byteLength) end = this.byteLength;
if(start > end) return new Uint8Array(0);
var out = new ArrayBuffer(end - start);
var view = new Uint8Array(out);
var data = new Uint8Array(this, start, end - start)
/* IE10 should have Uint8Array#set */
if(view.set) view.set(data); else while(start <= --end) view[end - start] = data[end];
return out;
};
if(typeof Uint8Array !== 'undefined' && !Uint8Array.prototype.slice) Uint8Array.prototype.slice = function(start, end) {
if(start == null) start = 0;
if(start < 0) { start += this.length; if(start < 0) start = 0; }
if(start >= this.length) return new Uint8Array(0);
if(end == null) end = this.length;
if(end < 0) { end += this.length; if(end < 0) end = 0; }
if(end > this.length) end = this.length;
if(start > end) return new Uint8Array(0);
var out = new Uint8Array(end - start);
while(start <= --end) out[end - start] = this[end];
return out;
};
// VBScript + ActiveX fallback for IE5+
var IE_SaveFile = (function() { try {
if(typeof IE_SaveFile_Impl == "undefined") document.write([
'<script type="text/vbscript" language="vbscript">',
'IE_GetProfileAndPath_Key = "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\User Shell Folders\\"',
'Function IE_GetProfileAndPath(key): Set wshell = CreateObject("WScript.Shell"): IE_GetProfileAndPath = wshell.RegRead(IE_GetProfileAndPath_Key & key): IE_GetProfileAndPath = wshell.ExpandEnvironmentStrings("%USERPROFILE%") & "!" & IE_GetProfileAndPath: End Function',
'Function IE_SaveFile_Impl(FileName, payload): Dim data, plen, i, bit: data = CStr(payload): plen = Len(data): Set fso = CreateObject("Scripting.FileSystemObject"): fso.CreateTextFile FileName, True: Set f = fso.GetFile(FileName): Set stream = f.OpenAsTextStream(2, 0): For i = 1 To plen Step 3: bit = Mid(data, i, 2): stream.write Chr(CLng("&h" & bit)): Next: stream.Close: IE_SaveFile_Impl = True: End Function',
'|/script>'.replace("|","<")
].join("\r\n"));
if(typeof IE_SaveFile_Impl == "undefined") return void 0;
var IE_GetPath = (function() {
var DDP1 = "";
try { DDP1 = IE_GetProfileAndPath("{374DE290-123F-4565-9164-39C4925E467B}"); } catch(e) { try { DDP1 = IE_GetProfileAndPath("Personal"); } catch(e) { try { DDP1 = IE_GetProfileAndPath("Desktop"); } catch(e) { throw e; }}}
var o = DDP1.split("!");
DDP = o[1].replace("%USERPROFILE%", o[0]);
return function(path) { return DDP + "\\" + path; };
})();
function fix_data(data) {
var out = [];
var T = typeof data == "string";
for(var i = 0; i < data.length; ++i) out.push(("00"+(T ? data.charCodeAt(i) : data[i]).toString(16)).slice(-2));
var o = out.join("|");
return o;
}
return function(data, filename) { return IE_SaveFile_Impl(IE_GetPath(filename), fix_data(data)); };
} catch(e) { return void 0; }})();
var IE_LoadFile = (function() { try {
if(typeof IE_LoadFile_Impl == "undefined") document.write([
'<script type="text/vbscript" language="vbscript">',
'Function IE_LoadFile_Impl(FileName): Dim out(), plen, i, cc: Set fso = CreateObject("Scripting.FileSystemObject"): Set f = fso.GetFile(FileName): Set stream = f.OpenAsTextStream(1, 0): plen = f.Size: ReDim out(plen): For i = 1 To plen Step 1: cc = Hex(Asc(stream.read(1))): If Len(cc) < 2 Then: cc = "0" & cc: End If: out(i) = cc: Next: IE_LoadFile_Impl = Join(out,""): End Function',
'|/script>'.replace("|","<")
].join("\r\n"));
if(typeof IE_LoadFile_Impl == "undefined") return void 0;
function fix_data(data) {
var out = [];
for(var i = 0; i < data.length; i+=2) out.push(String.fromCharCode(parseInt(data.slice(i, i+2), 16)));
var o = out.join("");
return o;
}
return function(filename) { return fix_data(IE_LoadFile_Impl(filename)); };
} catch(e) { return void 0; }})();
// getComputedStyle polyfill from https://gist.github.com/8HNHoFtE/5891086
if(typeof window !== 'undefined' && typeof window.getComputedStyle !== 'function') {
window.getComputedStyle = function(e,t){return this.el=e,this.getPropertyValue=function(t){var n=/(\-([a-z]){1})/g;return t=="float"&&(t="styleFloat"),n.test(t)&&(t=t.replace(n,function(){return arguments[2].toUpperCase()})),e.currentStyle[t]?e.currentStyle[t]:null},this}
}