node-hci/bundles/core-loader/clitable.js

function clitable(obj) {
	var headers = {};
	if(!obj instanceof Array) return;
	// Gather headers
	for(var row of obj) {
		for(var col of Object.keys(row)) {
			if(headers[col] == undefined) headers[col] = {maxLen: col.length};
			headers[col].maxLen = Math.max(headers[col].maxLen,String(row[col]).length);	
		}
	}
	
	var tableLen = 0;
	for(var k in headers) tableLen += headers[k].maxLen + 3;	

	tableLen -=1;

	var v = '│';
	var h = '─';
	var cul = '┌';
	var cur = '┐';
	var cdl = '└';
	var cdr = '┘';
	var cross = "┼";
	
	var crossD = "┬";
	var crossU = "┴";
	var crossR = "├";
	var crossL = "┤";


	var out="",c = 0;
	// Top line
	out += cul + h;	
	c = 0;
	for(var col in headers) {
		out += ((c!=0)?h+ crossD + h:"") +h.repeat(headers[col].maxLen);
		c++;
	}
	out += h + cur +"\n";


	// Headers
	out += v+" ";
	for(var col in headers) {
			// Pad Rest
			var clen = headers[col].maxLen - (col.length);		
			out += col + " ".repeat(clen) + " "+v+" ";
		}
	out+='\n';
	// Middle line
	out+=crossR+h;
	var c = 0;
	for(var col in headers) {
		out += ((c!=0)?h+ cross + h:"") +h.repeat(headers[col].maxLen);
		c++;
	}
	out += h + crossL +"\n";
	//out += (v + h.times(tableLen) + v + "\n" );

	for(var row of obj) { // check row len
		out += v +" ";
		for(var col in headers) {
			var clen = headers[col].maxLen - String(row[col]).length;		

			if(typeof(row[col]) == "number") {
				out += " ".repeat(clen) +String(row[col]) +  " " + v +" ";

			} else {
				out += String(row[col]) + " ".repeat(clen) + " " + v +" ";
			}
		}
		out +="\n";
	}
	
	// Top line
	out += cdl + h;	
	c = 0;
	for(var col in headers) {
		out += ((c!=0)?h+ crossU + h:"") +h.repeat(headers[col].maxLen);
		c++;
	}
	out += h + cdr +"\n";

	return out;
	
}

module.exports = clitable;