add linting (and some initial fixes)

1 files changed, 45 insertions, 0 deletions

diff --git a/node_modules/cli-truncate/index.js b/node_modules/cli-truncate/index.js
new file mode 100644
index 000000000..5f8b831c9
--- /dev/null
+++ b/node_modules/cli-truncate/index.js
@@ -0,0 +1,45 @@
+'use strict';
+const sliceAnsi = require('slice-ansi');
+const stringWidth = require('string-width');
+
+module.exports = (input, columns, opts) => {
+	opts = Object.assign({
+		position: 'end'
+	}, opts);
+
+	const position = opts.position;
+	const ellipsis = '…';
+
+	if (typeof input !== 'string') {
+		throw new TypeError(`Expected \`input\` to be a string, got ${typeof input}`);
+	}
+
+	if (typeof columns !== 'number') {
+		throw new TypeError(`Expected \`columns\` to be a number, got ${typeof columns}`);
+	}
+
+	if (columns < 1) {
+		return '';
+	}
+
+	if (columns === 1) {
+		return ellipsis;
+	}
+
+	const length = stringWidth(input);
+
+	if (length <= columns) {
+		return input;
+	}
+
+	if (position === 'start') {
+		return ellipsis + sliceAnsi(input, length - columns + 1, length);
+	} else if (position === 'middle') {
+		const half = Math.floor(columns / 2);
+		return sliceAnsi(input, 0, half) + ellipsis + sliceAnsi(input, length - (columns - half) + 1, length);
+	} else if (position === 'end') {
+		return sliceAnsi(input, 0, columns - 1) + ellipsis;
+	}
+
+	throw new Error(`Expected \`options.position\` to be either \`start\`, \`middle\` or \`end\`, got ${position}`);
+};