2dda2e10
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'use strict';
var stringWidth = require('string-width');
var repeating = require('repeating');
var chalk = require('chalk');
var objectAssign = require('object-assign');
var widestLine = require('widest-line');
var filledArray = require('filled-array');
var borderChars = require('./border-characters');
var getObject = function (detail) {
var obj;
if (typeof detail === 'number') {
obj = {
top: detail,
right: detail * 3,
bottom: detail,
left: detail * 3
};
} else {
obj = objectAssign({
top: 0,
right: 0,
bottom: 0,
left: 0
}, detail);
}
return obj;
};
var getBorderChars = function (borderStyle) {
var sides = [
'topLeft',
'topRight',
'bottomRight',
'bottomLeft',
'vertical',
'horizontal'
];
var chars;
if (typeof borderStyle === 'string') {
chars = borderChars[borderStyle];
if (!chars) {
throw new TypeError('Invalid border style: ' + borderStyle);
}
} else {
sides.forEach(function (key) {
if (!borderStyle[key] || typeof borderStyle[key] !== 'string') {
throw new TypeError('Invalid border style: ' + key);
}
});
chars = borderStyle;
}
return chars;
};
module.exports = function (text, opts) {
opts = objectAssign({
padding: 0,
borderStyle: 'single'
}, opts);
if (opts.borderColor && !chalk[opts.borderColor]) {
throw new Error(opts.borderColor + ' is not a valid borderColor');
}
var chars = getBorderChars(opts.borderStyle);
var padding = getObject(opts.padding);
var margin = getObject(opts.margin);
var colorizeBorder = function (x) {
return opts.borderColor ? chalk[opts.borderColor](x) : x;
};
var NL = '\n';
var PAD = ' ';
var lines = text.split(NL);
if (padding.top > 0) {
lines = filledArray('', padding.top).concat(lines);
}
if (padding.bottom > 0) {
lines = lines.concat(filledArray('', padding.bottom));
}
var contentWidth = widestLine(text) + padding.left + padding.right;
var paddingLeft = repeating(PAD, padding.left);
var marginLeft = repeating(PAD, margin.left);
var horizontal = repeating(chars.horizontal, contentWidth);
var top = colorizeBorder(repeating(NL, margin.top) + marginLeft + chars.topLeft + horizontal + chars.topRight);
var bottom = colorizeBorder(marginLeft + chars.bottomLeft + horizontal + chars.bottomRight + repeating(NL, margin.bottom));
var side = colorizeBorder(chars.vertical);
var middle = lines.map(function (line) {
var paddingRight = repeating(PAD, contentWidth - stringWidth(line) - padding.left);
return marginLeft + side + paddingLeft + line + paddingRight + side;
}).join(NL);
return top + NL + middle + NL + bottom;
};
module.exports._borderStyles = borderChars;
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