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