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/*
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, ...args) {
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(p, fn) {
return p.then((x) => { fn(); return x; })
.catch((e) => { fn(); throw e; });
}
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