Function genericPrintNoParens

lib/printer.ts:229–2562

(path: any, options: any, print: any)

// configuration object originally passed into the Printer constructor).
// Its properties are documented in lib/options.js.
function genericPrintNoParens(path: any, options: any, print: any) {
  const n = path.getValue();

  if (!n) {
    return fromString("");
  }

  if (typeof n === "string") {
    return fromString(n, options);
  }

  namedTypes.Printable.assert(n);

  const parts: (string | Lines)[] = [];

  switch (n.type) {
    case "File":
      return path.call(print, "program");

    case "Program":
      // Babel 6
      if (n.directives) {
        path.each(function (childPath: any) {
          parts.push(print(childPath), ";\n");
        }, "directives");
      }

      if (n.interpreter) {
        parts.push(path.call(print, "interpreter"));
      }

      parts.push(
        path.call(
          (bodyPath: any) => printStatementSequence(bodyPath, options, print),
          "body",
        ),
      );

      return concat(parts);

    case "Noop": // Babel extension.
    case "EmptyStatement":
      return fromString("");

    case "ExpressionStatement":
      return concat([path.call(print, "expression"), ";"]);

    case "ParenthesizedExpression": // Babel extension.
      return concat(["(", path.call(print, "expression"), ")"]);

    case "BinaryExpression":
    case "LogicalExpression":
    case "AssignmentExpression":
      return fromString(" ").join([
        path.call(print, "left"),
        n.operator,
        path.call(print, "right"),
      ]);