1 files changed, 193 insertions, 0 deletions
diff --git a/node_modules/wrap-ansi/index.js b/node_modules/wrap-ansi/index.js
new file mode 100755
index 00000000..d2ae454f
--- /dev/null
+++ b/node_modules/wrap-ansi/index.js
@@ -0,0 +1,193 @@
+'use strict';
+const stringWidth = require('string-width');
+const stripAnsi = require('strip-ansi');
+
+const ESCAPES = new Set([
+	'\u001B',
+	'\u009B'
+]);
+
+const END_CODE = 39;
+
+const ESCAPE_CODES = new Map([
+	[0, 0],
+	[1, 22],
+	[2, 22],
+	[3, 23],
+	[4, 24],
+	[7, 27],
+	[8, 28],
+	[9, 29],
+	[30, 39],
+	[31, 39],
+	[32, 39],
+	[33, 39],
+	[34, 39],
+	[35, 39],
+	[36, 39],
+	[37, 39],
+	[90, 39],
+	[40, 49],
+	[41, 49],
+	[42, 49],
+	[43, 49],
+	[44, 49],
+	[45, 49],
+	[46, 49],
+	[47, 49]
+]);
+
+const wrapAnsi = code => `${ESCAPES.values().next().value}[${code}m`;
+
+// Calculate the length of words split on ' ', ignoring
+// the extra characters added by ansi escape codes
+const wordLengths = str => str.split(' ').map(s => stringWidth(s));
+
+// Wrap a long word across multiple rows
+// Ansi escape codes do not count towards length
+const wrapWord = (rows, word, cols) => {
+	const arr = Array.from(word);
+
+	let insideEscape = false;
+	let visible = stringWidth(stripAnsi(rows[rows.length - 1]));
+
+	for (const item of arr.entries()) {
+		const i = item[0];
+		const char = item[1];
+		const charLength = stringWidth(char);
+
+		if (visible + charLength <= cols) {
+			rows[rows.length - 1] += char;
+		} else {
+			rows.push(char);
+			visible = 0;
+		}
+
+		if (ESCAPES.has(char)) {
+			insideEscape = true;
+		} else if (insideEscape && char === 'm') {
+			insideEscape = false;
+			continue;
+		}
+
+		if (insideEscape) {
+			continue;
+		}
+
+		visible += charLength;
+
+		if (visible === cols && i < arr.length - 1) {
+			rows.push('');
+			visible = 0;
+		}
+	}
+
+	// It's possible that the last row we copy over is only
+	// ansi escape characters, handle this edge-case
+	if (!visible && rows[rows.length - 1].length > 0 && rows.length > 1) {
+		rows[rows.length - 2] += rows.pop();
+	}
+};
+
+// The wrap-ansi module can be invoked
+// in either 'hard' or 'soft' wrap mode
+//
+// 'hard' will never allow a string to take up more
+// than cols characters
+//
+// 'soft' allows long words to expand past the column length
+const exec = (str, cols, opts) => {
+	const options = opts || {};
+
+	if (str.trim() === '') {
+		return options.trim === false ? str : str.trim();
+	}
+
+	let pre = '';
+	let ret = '';
+	let escapeCode;
+
+	const lengths = wordLengths(str);
+	const words = str.split(' ');
+	const rows = [''];
+
+	for (const item of Array.from(words).entries()) {
+		const i = item[0];
+		const word = item[1];
+
+		rows[rows.length - 1] = options.trim === false ? rows[rows.length - 1] : rows[rows.length - 1].trim();
+		let rowLength = stringWidth(rows[rows.length - 1]);
+
+		if (rowLength || word === '') {
+			if (rowLength === cols && options.wordWrap === false) {
+				// If we start with a new word but the current row length equals the length of the columns, add a new row
+				rows.push('');
+				rowLength = 0;
+			}
+
+			rows[rows.length - 1] += ' ';
+			rowLength++;
+		}
+
+		// In 'hard' wrap mode, the length of a line is
+		// never allowed to extend past 'cols'
+		if (lengths[i] > cols && options.hard) {
+			if (rowLength) {
+				rows.push('');
+			}
+			wrapWord(rows, word, cols);
+			continue;
+		}
+
+		if (rowLength + lengths[i] > cols && rowLength > 0) {
+			if (options.wordWrap === false && rowLength < cols) {
+				wrapWord(rows, word, cols);
+				continue;
+			}
+
+			rows.push('');
+		}
+
+		if (rowLength + lengths[i] > cols && options.wordWrap === false) {
+			wrapWord(rows, word, cols);
+			continue;
+		}
+
+		rows[rows.length - 1] += word;
+	}
+
+	pre = rows.map(r => options.trim === false ? r : r.trim()).join('\n');
+
+	for (const item of Array.from(pre).entries()) {
+		const i = item[0];
+		const char = item[1];
+
+		ret += char;
+
+		if (ESCAPES.has(char)) {
+			const code = parseFloat(/\d[^m]*/.exec(pre.slice(i, i + 4)));
+			escapeCode = code === END_CODE ? null : code;
+		}
+
+		const code = ESCAPE_CODES.get(Number(escapeCode));
+
+		if (escapeCode && code) {
+			if (pre[i + 1] === '\n') {
+				ret += wrapAnsi(code);
+			} else if (char === '\n') {
+				ret += wrapAnsi(escapeCode);
+			}
+		}
+	}
+
+	return ret;
+};
+
+// For each newline, invoke the method separately
+module.exports = (str, cols, opts) => {
+	return String(str)
+		.normalize()
+		.split('\n')
+		.map(line => exec(line, cols, opts))
+		.join('\n');
+};