Markdown Quotation (>)

script

// make selected lines into Markdown quotation

// grab state
const [lnStart, lnLen] = editor.getSelectedLineRange();
const lnText = editor.getTextInRange(lnStart, lnLen);
const [selStart, selLen] = editor.getSelectedRange();

// setup vars
const lines = lnText.split("\n");
const quoteString = "> ";
let isFirst = true;
let newLines = [];
let startAdjust = 0;
let lengthAdjust = 0;
let flTrailing = false;
if (lines[lines.length - 1] == "") { 
	lines.pop();
	flTrailing = true;
}

// just add mark if empty line
if (lnText.length == 0 || lnText == "\n") { 
  editor.setSelectedText(quoteString);
  editor.setSelectedRange(selStart + quoteString.length + 1, 0);
}
else {
	// loop over lines
	for (let line of lines) {
		newLines.push(quoteString + line);
		if (isFirst) { 
			startAdjust += quoteString.length;
		}
		else {
			lengthAdjust += quoteString.length;
		}
		isFirst = false
	}

	// update text 
	if (flTrailing) {
		newLines.push("");
	}
	editor.setTextInRange(lnStart, lnLen, newLines.join("\n"));

	// update selection
	editor.setSelectedRange(selStart + startAdjust, selLen + lengthAdjust);
}