vpn.email/bower_components/metro/js/utils/pre-code.js

vpn.email client

function preCode(selector) {
	var els = Array.prototype.slice.call(document.querySelectorAll(selector), 0);

	els.forEach(function(el, idx, arr){
		var txt = el.textContent
			.replace(/^[\r\n]+/, "")	// strip leading newline
			.replace(/\s+$/g, "");

		if (/^\S/gm.test(txt)) {
			el.textContent = txt;
			return;
		}

		var mat, str, re = /^[\t ]+/gm, len, min = 1e3;

		while (mat = re.exec(txt)) {
			len = mat[0].length;

			if (len < min) {
				min = len;
				str = mat[0];
			}
		}

		if (min == 1e3)
			return;

		el.textContent = txt.replace(new RegExp("^" + str, 'gm'), "");
	});
}

document.addEventListener("DOMContentLoaded", function() {
	preCode("pre code, textarea");
}, false);