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36 lines
1.3 KiB
36 lines
1.3 KiB
3 years ago
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// Extends the String type and other string helper functions
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// Adds a .toTitleCase() function to every string
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String.prototype.toTitleCase = function () {
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return this.replace(/\w\S*/g, function(txt){return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase()})
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}
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// Wraps the string to the console (or specified) width, ignoring any ansi formatting codes
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import wrapAnsi from 'wrap-ansi'
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String.prototype.wordWrap = function (width = 80) {
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return wrapAnsi(this, width)
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}
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export const repeatString = (str, n) => {
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return new Array(1 + (n || 0)).join(str)
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}
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String.prototype.centerInConsole = function (width = 80) {
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const consoleWidth = process.stdout.columns
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const padding = Math.floor((consoleWidth - width) / 2)
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const lines = this.split('\n')
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const centered = lines.map(line => repeatString(" ", padding) + line)
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return centered.join('\n')
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}
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// Centers a one-line string within the given number of characters by adding padding to the left
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String.prototype.centerInLine = function (lineWidth, width = 80) {
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const padding = Math.floor((width - lineWidth) / 2)
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return repeatString(" ", padding) + this
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}
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export const centerLines = (str) => {
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const lines = str.split('\n')
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const centered = lines.map(line => line.centerInLine(line.length, process.stdout.columns))
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return centered.join('\n')
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}
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