Musique/node_modules/cli-color/columns.js

30 lines
1.2 KiB
JavaScript

'use strict';
var from = require('es5-ext/array/from')
, iterable = require('es5-ext/iterable/validate-object')
, stringifiable = require('es5-ext/object/validate-stringifiable')
, repeat = require('es5-ext/string/#/repeat')
, getStrippedLength = require('./get-stripped-length');
module.exports = function (rows/*, options*/) {
var options = Object(arguments[1]), cols = []
, colsOptions = options.columns || [];
return from(iterable(rows), function (row, index) {
return from(iterable(row), function (str, index) {
var col = cols[index], strLength;
if (!col) col = cols[index] = { width: 0 };
str = stringifiable(str);
strLength = getStrippedLength(str);
if (strLength > col.width) col.width = strLength;
return { str: str, length: strLength };
});
}).map(function (row) {
return row.map(function (item, index) {
var pad, align = 'left', colOptions = colsOptions && colsOptions[index];
align = (colOptions && (colOptions.align === 'right')) ? 'right' : 'left';
pad = repeat.call(' ', cols[index].width - item.length);
if (align === 'left') return item.str + pad;
return pad + item.str;
}).join((options.sep == null) ? ' | ' : options.sep);
}).join('\n') + '\n';
};