Initial commit (from f5274cbdce4ae7c9e4b937dcdf95ac70ae436d5f)

node_modules/tslint/lib/rules/noInvalidTemplateStringsRule.js

@@ -0,0 +1,69 @@
+"use strict";
+/**
+ * @license
+ * Copyright 2017 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 utils = require("tsutils");
+var ts = require("typescript");
+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) {
+        return this.applyWithFunction(sourceFile, walk);
+    };
+    /* tslint:disable:object-literal-sort-keys */
+    Rule.metadata = {
+        ruleName: "no-invalid-template-strings",
+        // tslint:disable-next-line no-invalid-template-strings
+        description: "Warns on use of `${` in non-template strings.",
+        optionsDescription: "Not configurable.",
+        options: null,
+        optionExamples: [true],
+        rationale: "Interpolation will only work for template strings.",
+        type: "functionality",
+        typescriptOnly: false,
+    };
+    /* tslint:enable:object-literal-sort-keys */
+    Rule.FAILURE_STRING = "Interpolation will only work for template strings.";
+    return Rule;
+}(Lint.Rules.AbstractRule));
+exports.Rule = Rule;
+function walk(ctx) {
+    return ts.forEachChild(ctx.sourceFile, function cb(node) {
+        if (utils.isStringLiteral(node)) {
+            check(node);
+        }
+        return ts.forEachChild(node, cb);
+    });
+    function check(node) {
+        var text = node.getText(ctx.sourceFile);
+        var findTemplateStrings = /(\\*)(\$\{.+?\})/g;
+        var instance = findTemplateStrings.exec(text);
+        while (instance !== null) {
+            var backslashCount = instance[1].length;
+            var instanceIsEscaped = backslashCount % 2 === 1;
+            if (!instanceIsEscaped) {
+                var start = node.getStart() + (instance.index + backslashCount);
+                ctx.addFailureAt(start, instance[2].length, Rule.FAILURE_STRING);
+            }
+            instance = findTemplateStrings.exec(text);
+        }
+    }
+}