@marko/prettyprint/dist/printText.js

Prettyprint Marko template files in the syntax of your choice

"use strict";

var trimLinesStart = require("./util/trim").trimLinesStart;

var trimLinesEnd = require("./util/trim").trimLinesEnd;

var indentLines = require("./util/indent").indentLines;

var getTextValue = require("./util/getTextValue");

module.exports = function printText(node, printContext, writer) {
  var text = getTextValue(node, printContext);
  var isConciseSyntax = printContext.depth === 0 || printContext.isConciseSyntax;

  if (printContext.preserveWhitespace === true) {
    if (isConciseSyntax) {
      if (/^\s+$/.test(text)) {
        if (!text.endsWith("\r\n") && !text.endsWith(printContext.eol)) {
          text += printContext.eol;
        }

        writer.write(text);
        return;
      }
    } else {
      writer.write(text);
      return;
    }
  }

  var lines = text.split(/\r\n|\n/);

  if (lines.length > 1) {
    lines = trimLinesStart(lines);
    lines = trimLinesEnd(lines);
  }

  if (lines.length === 0) {
    return;
  }

  var currentIndentString = printContext.currentIndentString;

  if (printContext.forceHtml !== true && isConciseSyntax) {
    if (lines.length > 1) {
      lines = indentLines(lines, printContext);
      writer.write("---" + printContext.eol + currentIndentString + lines.join(printContext.eol).trim() + printContext.eol + currentIndentString + "---");
    } else {
      let trimmed = lines[0].trimLeft();

      if (trimmed.startsWith("<")) {
        writer.write(trimmed);
      } else if (trimmed === "") {
        writer.write("--" + printContext.eol + currentIndentString + lines[0] + printContext.eol + currentIndentString + "--");
      } else {
        if (lines[0].match(/^\s+/) != null) trimmed = " " + trimmed;
        writer.write("-- " + trimmed);
      }
    }
  } else {
    lines = indentLines(lines, printContext);
    writer.write(lines.join(printContext.eol));
  }
};