# All files / src/parser string-literal.js

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     // @flow
    import Syntax from "../Syntax";
    import type Context from "./context";
    import type { NodeType } from "../flow/types";

    // Note: string literal does not increment the token.
    function stringLiteral(ctx: Context): NodeType {
      const node = ctx.startNode();
      node.value = ctx.token.value.substring(1, ctx.token.value.length - 1);

      // Replace escape sequences
      switch (node.value) {
        case "\\b":
          node.value = "\b";
          break;
        case "\\f":
          node.value = "\f";
          break;
        case "\\n":
          node.value = "\n";
          break;
        case "\\r":
          node.value = "\r";
          break;
        case "\\t":
          node.value = "\t";
          break;
        case "\\v":
          node.value = "\v";
          break;
        case "\\0":
          node.value = "\0";
          break;
        case "\\'":
          node.value = "'";
          break;
        case '\\"':
          node.value = '"';
      }

      const Type =
        ctx.token.value[0] === "'" && Array.from(node.value).length === 1
          ? Syntax.CharacterLiteral
          : Syntax.StringLiteral;
      return ctx.endNode(node, Type);
    }

    export default stringLiteral;