forked from angular/angular
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathintl.ts
More file actions
147 lines (136 loc) · 4.07 KB
/
intl.ts
File metadata and controls
147 lines (136 loc) · 4.07 KB
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
// Modified version of internal Typescript intl.d.ts.
// TODO(piloopin): remove when https://github.com/Microsoft/TypeScript/issues/3521 is shipped.
declare module Intl {
interface NumberFormatOptions {
localeMatcher?: string;
style?: string;
currency?: string;
currencyDisplay?: string;
useGrouping?: boolean;
minimumIntegerDigits?: number;
minimumFractionDigits?: number;
maximumFractionDigits?: number;
}
interface NumberFormat {
format(value: number): string;
}
var NumberFormat: {new (locale?: string, options?: NumberFormatOptions): NumberFormat};
interface DateTimeFormatOptions {
localeMatcher?: string;
weekday?: string;
era?: string;
year?: string;
month?: string;
day?: string;
hour?: string;
minute?: string;
second?: string;
timeZoneName?: string;
formatMatcher?: string;
hour12?: boolean;
}
interface DateTimeFormat {
format(date?: Date | number): string;
}
var DateTimeFormat: {new (locale?: string, options?: DateTimeFormatOptions): DateTimeFormat};
}
export enum NumberFormatStyle {
Decimal,
Percent,
Currency
}
export class NumberFormatter {
static format(num: number, locale: string, style: NumberFormatStyle,
{minimumIntegerDigits = 1, minimumFractionDigits = 0, maximumFractionDigits = 3,
currency, currencyAsSymbol = false}: {
minimumIntegerDigits?: number,
minimumFractionDigits?: number,
maximumFractionDigits?: number,
currency?: string,
currencyAsSymbol?: boolean
} = {}): string {
var intlOptions: Intl.NumberFormatOptions = {
minimumIntegerDigits: minimumIntegerDigits,
minimumFractionDigits: minimumFractionDigits,
maximumFractionDigits: maximumFractionDigits
};
intlOptions.style = NumberFormatStyle[style].toLowerCase();
if (style == NumberFormatStyle.Currency) {
intlOptions.currency = currency;
intlOptions.currencyDisplay = currencyAsSymbol ? 'symbol' : 'code';
}
return new Intl.NumberFormat(locale, intlOptions).format(num);
}
}
function digitCondition(len: number): string {
return len == 2 ? '2-digit' : 'numeric';
}
function nameCondition(len: number): string {
return len < 4 ? 'short' : 'long';
}
function extractComponents(pattern: string): Intl.DateTimeFormatOptions {
var ret: Intl.DateTimeFormatOptions = {};
var i = 0, j;
while (i < pattern.length) {
j = i;
while (j < pattern.length && pattern[j] == pattern[i]) j++;
let len = j - i;
switch (pattern[i]) {
case 'G':
ret.era = nameCondition(len);
break;
case 'y':
ret.year = digitCondition(len);
break;
case 'M':
if (len >= 3)
ret.month = nameCondition(len);
else
ret.month = digitCondition(len);
break;
case 'd':
ret.day = digitCondition(len);
break;
case 'E':
ret.weekday = nameCondition(len);
break;
case 'j':
ret.hour = digitCondition(len);
break;
case 'h':
ret.hour = digitCondition(len);
ret.hour12 = true;
break;
case 'H':
ret.hour = digitCondition(len);
ret.hour12 = false;
break;
case 'm':
ret.minute = digitCondition(len);
break;
case 's':
ret.second = digitCondition(len);
break;
case 'z':
ret.timeZoneName = 'long';
break;
case 'Z':
ret.timeZoneName = 'short';
break;
}
i = j;
}
return ret;
}
var dateFormatterCache: Map<string, Intl.DateTimeFormat> = new Map<string, Intl.DateTimeFormat>();
export class DateFormatter {
static format(date: Date, locale: string, pattern: string): string {
var key = locale + pattern;
if (dateFormatterCache.has(key)) {
return dateFormatterCache.get(key).format(date);
}
var formatter = new Intl.DateTimeFormat(locale, extractComponents(pattern));
dateFormatterCache.set(key, formatter);
return formatter.format(date);
}
}