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1070765 | 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 | const _stringWidth = require('string-width');
const _defaultFormatValue = require('./format-value');
const _defaultFormatBar = require('./format-bar');
const _defaultFormatTime = require('./format-time');
// generic formatter
module.exports = function defaultFormatter(options, params, payload){
// copy format string
let s = options.format;
// custom time format set ?
const formatTime = options.formatTime || _defaultFormatTime;
// custom value format set ?
const formatValue = options.formatValue || _defaultFormatValue;
// custom bar format set ?
const formatBar = options.formatBar || _defaultFormatBar;
// calculate progress in percent
const percentage = Math.floor(params.progress*100) + '';
// bar stopped and stopTime set ?
const stopTime = params.stopTime || Date.now();
// calculate elapsed time
const elapsedTime = Math.round((stopTime - params.startTime)/1000);
// merges data from payload and calculated
const context = Object.assign({}, payload, {
bar: formatBar(params.progress, options),
percentage: formatValue(percentage, options, 'percentage'),
total: formatValue(params.total, options, 'total'),
value: formatValue(params.value, options, 'value'),
eta: formatValue(params.eta, options, 'eta'),
eta_formatted: formatTime(params.eta, options, 5),
duration: formatValue(elapsedTime, options, 'duration'),
duration_formatted: formatTime(elapsedTime, options, 1)
});
// assign placeholder tokens
s = s.replace(/\{(\w+)\}/g, function(match, key){
// key exists within payload/context
if (typeof context[key] !== 'undefined') {
return context[key];
}
// no changes to unknown values
return match;
});
// calculate available whitespace (2 characters margin of error)
const fullMargin = Math.max(0, params.maxWidth - _stringWidth(s) -2);
const halfMargin = Math.floor(fullMargin / 2);
// distribute available whitespace according to position
switch (options.align) {
// fill start-of-line with whitespaces
case 'right':
s = (fullMargin > 0) ? ' '.repeat(fullMargin) + s : s;
break;
// distribute whitespaces to left+right
case 'center':
s = (halfMargin > 0) ? ' '.repeat(halfMargin) + s : s;
break;
// default: left align, no additional whitespaces
case 'left':
default:
break;
}
return s;
}
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