--- /dev/null
+"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);
+ }
+ }
+}