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node_modules/tslint/lib/rules/eoflineRule.js

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+"use strict";
+/**
+ * @license
+ * Copyright 2013 Palantir Technologies, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+var tslib_1 = require("tslib");
+var Lint = require("../index");
+var Rule = /** @class */ (function (_super) {
+    tslib_1.__extends(Rule, _super);
+    function Rule() {
+        return _super !== null && _super.apply(this, arguments) || this;
+    }
+    Rule.prototype.apply = function (sourceFile) {
+        var length = sourceFile.text.length;
+        if (length === 0 || // if the file is empty, it "ends with a newline", so don't return a failure
+            sourceFile.text[length - 1] === "\n") {
+            return [];
+        }
+        var fix;
+        var lines = sourceFile.getLineStarts();
+        if (lines.length > 1) {
+            fix = Lint.Replacement.appendText(length, sourceFile.text[lines[1] - 2] === "\r" ? "\r\n" : "\n");
+        }
+        return [
+            new Lint.RuleFailure(sourceFile, length, length, Rule.FAILURE_STRING, this.ruleName, fix),
+        ];
+    };
+    /* tslint:disable:object-literal-sort-keys */
+    Rule.metadata = {
+        ruleName: "eofline",
+        description: "Ensures the file ends with a newline.",
+        descriptionDetails: "Fix for single-line files is not supported.",
+        rationale: "It is a [standard convention](https://stackoverflow.com/q/729692/3124288) to end files with a newline.",
+        optionsDescription: "Not configurable.",
+        options: null,
+        optionExamples: [true],
+        hasFix: true,
+        type: "formatting",
+        typescriptOnly: false,
+    };
+    /* tslint:enable:object-literal-sort-keys */
+    Rule.FAILURE_STRING = "file should end with a newline";
+    return Rule;
+}(Lint.Rules.AbstractRule));
+exports.Rule = Rule;