# 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;