1 files changed, 129 insertions, 0 deletions
diff --git a/node_modules/tslint/lib/rules/noTrailingWhitespaceRule.js b/node_modules/tslint/lib/rules/noTrailingWhitespaceRule.js
new file mode 100644
index 000000000..56615b1b5
--- /dev/null
+++ b/node_modules/tslint/lib/rules/noTrailingWhitespaceRule.js
@@ -0,0 +1,129 @@
+"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 tsutils_1 = require("tsutils");
+var ts = require("typescript");
+var Lint = require("../index");
+var noConsecutiveBlankLinesRule_1 = require("./noConsecutiveBlankLinesRule");
+var OPTION_IGNORE_COMMENTS = "ignore-comments";
+var OPTION_IGNORE_JSDOC = "ignore-jsdoc";
+var OPTION_IGNORE_TEMPLATE_STRINGS = "ignore-template-strings";
+var Rule = (function (_super) {
+    tslib_1.__extends(Rule, _super);
+    function Rule() {
+        return _super !== null && _super.apply(this, arguments) || this;
+    }
+    Rule.prototype.apply = function (sourceFile) {
+        var ignoreComments = this.ruleArguments.indexOf(OPTION_IGNORE_COMMENTS) !== -1;
+        return this.applyWithFunction(sourceFile, walk, {
+            ignoreComments: ignoreComments,
+            ignoreJsDoc: ignoreComments || this.ruleArguments.indexOf(OPTION_IGNORE_JSDOC) !== -1,
+            ignoreTemplates: this.ruleArguments.indexOf(OPTION_IGNORE_TEMPLATE_STRINGS) !== -1,
+        });
+    };
+    return Rule;
+}(Lint.Rules.AbstractRule));
+/* tslint:disable:object-literal-sort-keys */
+Rule.metadata = {
+    ruleName: "no-trailing-whitespace",
+    description: "Disallows trailing whitespace at the end of a line.",
+    rationale: "Keeps version control diffs clean as it prevents accidental whitespace from being committed.",
+    optionsDescription: (_a = ["\n            Possible settings are:\n\n            * `\"", "\"`: Allows trailing whitespace in template strings.\n            * `\"", "\"`: Allows trailing whitespace in comments.\n            * `\"", "\"`: Allows trailing whitespace only in JSDoc comments."], _a.raw = ["\n            Possible settings are:\n\n            * \\`\"", "\"\\`: Allows trailing whitespace in template strings.\n            * \\`\"", "\"\\`: Allows trailing whitespace in comments.\n            * \\`\"", "\"\\`: Allows trailing whitespace only in JSDoc comments."], Lint.Utils.dedent(_a, OPTION_IGNORE_TEMPLATE_STRINGS, OPTION_IGNORE_COMMENTS, OPTION_IGNORE_JSDOC)),
+    hasFix: true,
+    options: {
+        type: "array",
+        items: {
+            type: "string",
+            enum: [OPTION_IGNORE_COMMENTS, OPTION_IGNORE_JSDOC, OPTION_IGNORE_TEMPLATE_STRINGS],
+        },
+    },
+    optionExamples: [
+        true,
+        [true, OPTION_IGNORE_COMMENTS],
+        [true, OPTION_IGNORE_JSDOC],
+    ],
+    type: "style",
+    typescriptOnly: false,
+};
+/* tslint:enable:object-literal-sort-keys */
+Rule.FAILURE_STRING = "trailing whitespace";
+exports.Rule = Rule;
+function walk(ctx) {
+    var possibleFailures = [];
+    var sourceFile = ctx.sourceFile;
+    var text = sourceFile.text;
+    for (var _i = 0, _a = tsutils_1.getLineRanges(sourceFile); _i < _a.length; _i++) {
+        var line = _a[_i];
+        var match = text.substr(line.pos, line.contentLength).match(/\s+$/);
+        if (match !== null) {
+            possibleFailures.push({
+                end: line.pos + line.contentLength,
+                pos: line.pos + match.index,
+            });
+        }
+    }
+    if (possibleFailures.length === 0) {
+        return;
+    }
+    var excludedRanges = ctx.options.ignoreTemplates
+        ? ctx.options.ignoreJsDoc ? getExcludedRanges(sourceFile, ctx.options) : noConsecutiveBlankLinesRule_1.getTemplateRanges(sourceFile)
+        : ctx.options.ignoreJsDoc ? getExcludedComments(sourceFile, ctx.options) : [];
+    var _loop_1 = function (possibleFailure) {
+        if (!excludedRanges.some(function (range) { return range.pos < possibleFailure.pos && possibleFailure.pos < range.end; })) {
+            ctx.addFailure(possibleFailure.pos, possibleFailure.end, Rule.FAILURE_STRING, Lint.Replacement.deleteFromTo(possibleFailure.pos, possibleFailure.end));
+        }
+    };
+    for (var _b = 0, possibleFailures_1 = possibleFailures; _b < possibleFailures_1.length; _b++) {
+        var possibleFailure = possibleFailures_1[_b];
+        _loop_1(possibleFailure);
+    }
+}
+function getExcludedRanges(sourceFile, options) {
+    var intervals = [];
+    tsutils_1.forEachTokenWithTrivia(sourceFile, function (text, kind, range) {
+        if (kind >= ts.SyntaxKind.FirstTemplateToken && kind <= ts.SyntaxKind.LastTemplateToken) {
+            intervals.push(range);
+        }
+        else if (options.ignoreComments) {
+            if (kind === ts.SyntaxKind.SingleLineCommentTrivia || kind === ts.SyntaxKind.MultiLineCommentTrivia) {
+                intervals.push(range);
+            }
+        }
+        else if (options.ignoreJsDoc) {
+            if (isJsDoc(text, kind, range)) {
+                intervals.push(range);
+            }
+        }
+    });
+    return intervals;
+}
+function getExcludedComments(sourceFile, options) {
+    var intervals = [];
+    tsutils_1.forEachComment(sourceFile, function (text, comment) {
+        if (options.ignoreComments ||
+            options.ignoreJsDoc && isJsDoc(text, comment.kind, comment)) {
+            intervals.push(comment);
+        }
+    });
+    return intervals;
+}
+function isJsDoc(sourceText, kind, range) {
+    return kind === ts.SyntaxKind.MultiLineCommentTrivia && sourceText[range.pos + 2] === "*" && sourceText[range.pos + 3] !== "*";
+}
+var _a;