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
|
/*
This file is part of TALER
(C) 2015 GNUnet e.V.
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
*/
'use strict';
/**
* Parse an amount that is specified like '5.42 EUR'.
* Returns a {currency,value,fraction} object or null
* if the input is invalid.
*/
function amount_parse_pretty(s) {
let pattern = /(\d+)(.\d+)?\s*([a-zA-Z]+)/;
let matches = pattern.exec(s);
if (null == matches) {
return null;
}
return {
// Always succeeds due to regex
value: parseInt(matches[1]),
// Should we warn / fail on lost precision?
fraction: Math.round(parseFloat(matches[2] || "0") * 1000000),
currency: matches[3],
};
}
function format(s: string, ...args: any[]) {
function r(m, n) {
let i = parseInt(n);
return args[i];
}
s = s.replace(/{{/g, '{');
s = s.replace(/}}/g, '}');
s = s.replace(/{([0-9]+)}/g, r);
return s;
}
function promiseFinally<T>(p: Promise<T>, fn): Promise<T> {
return p.then((x) => { fn(); return x; })
.catch((e) => {fn(); throw e;});
}
|
