139 lines
3.4 KiB
JavaScript
139 lines
3.4 KiB
JavaScript
'use strict';
|
|
const stringWidth = require('string-width');
|
|
const chalk = require('chalk');
|
|
const widestLine = require('widest-line');
|
|
const cliBoxes = require('cli-boxes');
|
|
const camelCase = require('camelcase');
|
|
const ansiAlign = require('ansi-align');
|
|
const termSize = require('term-size');
|
|
|
|
const getObject = detail => {
|
|
let obj;
|
|
|
|
if (typeof detail === 'number') {
|
|
obj = {
|
|
top: detail,
|
|
right: detail * 3,
|
|
bottom: detail,
|
|
left: detail * 3
|
|
};
|
|
} else {
|
|
obj = Object.assign({
|
|
top: 0,
|
|
right: 0,
|
|
bottom: 0,
|
|
left: 0
|
|
}, detail);
|
|
}
|
|
|
|
return obj;
|
|
};
|
|
|
|
const getBorderChars = borderStyle => {
|
|
const sides = [
|
|
'topLeft',
|
|
'topRight',
|
|
'bottomRight',
|
|
'bottomLeft',
|
|
'vertical',
|
|
'horizontal'
|
|
];
|
|
|
|
let chars;
|
|
|
|
if (typeof borderStyle === 'string') {
|
|
chars = cliBoxes[borderStyle];
|
|
|
|
if (!chars) {
|
|
throw new TypeError(`Invalid border style: ${borderStyle}`);
|
|
}
|
|
} else {
|
|
sides.forEach(key => {
|
|
if (!borderStyle[key] || typeof borderStyle[key] !== 'string') {
|
|
throw new TypeError(`Invalid border style: ${key}`);
|
|
}
|
|
});
|
|
|
|
chars = borderStyle;
|
|
}
|
|
|
|
return chars;
|
|
};
|
|
|
|
const getBackgroundColorName = x => camelCase('bg', x);
|
|
|
|
module.exports = (text, opts) => {
|
|
opts = Object.assign({
|
|
padding: 0,
|
|
borderStyle: 'single',
|
|
dimBorder: false,
|
|
align: 'left',
|
|
float: 'left'
|
|
}, opts);
|
|
|
|
if (opts.backgroundColor) {
|
|
opts.backgroundColor = getBackgroundColorName(opts.backgroundColor);
|
|
}
|
|
|
|
if (opts.borderColor && !chalk[opts.borderColor]) {
|
|
throw new Error(`${opts.borderColor} is not a valid borderColor`);
|
|
}
|
|
|
|
if (opts.backgroundColor && !chalk[opts.backgroundColor]) {
|
|
throw new Error(`${opts.backgroundColor} is not a valid backgroundColor`);
|
|
}
|
|
|
|
const chars = getBorderChars(opts.borderStyle);
|
|
const padding = getObject(opts.padding);
|
|
const margin = getObject(opts.margin);
|
|
|
|
const colorizeBorder = x => {
|
|
const ret = opts.borderColor ? chalk[opts.borderColor](x) : x;
|
|
return opts.dimBorder ? chalk.dim(ret) : ret;
|
|
};
|
|
|
|
const colorizeContent = x => opts.backgroundColor ? chalk[opts.backgroundColor](x) : x;
|
|
|
|
text = ansiAlign(text, {align: opts.align});
|
|
|
|
const NL = '\n';
|
|
const PAD = ' ';
|
|
|
|
let lines = text.split(NL);
|
|
|
|
if (padding.top > 0) {
|
|
lines = Array(padding.top).fill('').concat(lines);
|
|
}
|
|
|
|
if (padding.bottom > 0) {
|
|
lines = lines.concat(Array(padding.bottom).fill(''));
|
|
}
|
|
|
|
const contentWidth = widestLine(text) + padding.left + padding.right;
|
|
const paddingLeft = PAD.repeat(padding.left);
|
|
const columns = termSize().columns;
|
|
let marginLeft = PAD.repeat(margin.left);
|
|
|
|
if (opts.float === 'center') {
|
|
const padWidth = Math.max((columns - contentWidth) / 2, 0);
|
|
marginLeft = PAD.repeat(padWidth);
|
|
} else if (opts.float === 'right') {
|
|
const padWidth = Math.max(columns - contentWidth - margin.right - 2, 0);
|
|
marginLeft = PAD.repeat(padWidth);
|
|
}
|
|
|
|
const horizontal = chars.horizontal.repeat(contentWidth);
|
|
const top = colorizeBorder(NL.repeat(margin.top) + marginLeft + chars.topLeft + horizontal + chars.topRight);
|
|
const bottom = colorizeBorder(marginLeft + chars.bottomLeft + horizontal + chars.bottomRight + NL.repeat(margin.bottom));
|
|
const side = colorizeBorder(chars.vertical);
|
|
|
|
const middle = lines.map(line => {
|
|
const paddingRight = PAD.repeat(contentWidth - stringWidth(line) - padding.left);
|
|
return marginLeft + side + colorizeContent(paddingLeft + line + paddingRight) + side;
|
|
}).join(NL);
|
|
|
|
return top + NL + middle + NL + bottom;
|
|
};
|
|
|
|
module.exports._borderStyles = cliBoxes;
|