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