text: "use strict";
  var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
      if (k2 === undefined) k2 = k;
      Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
  }) : (function(o, m, k, k2) {
      if (k2 === undefined) k2 = k;
      o[k2] = m[k];
  }));
  var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
      Object.defineProperty(o, "default", { enumerable: true, value: v });
  }) : function(o, v) {
      o["default"] = v;
  });
  var __importStar = (this && this.__importStar) || function (mod) {
      if (mod && mod.__esModule) return mod;
      var result = {};
      if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
      __setModuleDefault(result, mod);
      return result;
  };
  Object.defineProperty(exports, "__esModule", { value: true });
  exports.Rule = void 0;
  const Lint = __importStar(require("tslint"));
  const util_1 = require("../util");
  class Rule extends Lint.Rules.AbstractRule {
      apply(sourceFile) {
          return this.applyWithFunction(sourceFile, walk);
      }
  }
  exports.Rule = Rule;
  Rule.metadata = {
      ruleName: "trim-file",
      description: "Forbids leading/trailing blank lines in a file. Allows file to end in '\n'.",
      optionsDescription: "Not configurable.",
      options: null,
      type: "style",
      typescriptOnly: false,
  };
  Rule.FAILURE_STRING_LEADING = util_1.failure(Rule.metadata.ruleName, "File should not begin with a blank line.");
  Rule.FAILURE_STRING_TRAILING = util_1.failure(Rule.metadata.ruleName, "File should not end with a blank line. (Ending in one newline OK, ending in two newlines not OK.)");
  function walk(ctx) {
      const { sourceFile: { text } } = ctx;
      if (text.startsWith("\r") || text.startsWith("\n")) {
          ctx.addFailureAt(0, 0, Rule.FAILURE_STRING_LEADING);
      }
      if (text.endsWith("\n\n") || text.endsWith("\r\n\r\n")) {
          const start = text.endsWith("\r\n") ? text.length - 2 : text.length - 1;
          ctx.addFailureAt(start, 0, Rule.FAILURE_STRING_TRAILING);
      }
  }
  //# sourceMappingURL=trimFileRule.js.map