Initial commit (from f5274cbdce4ae7c9e4b937dcdf95ac70ae436d5f)

node_modules/tslint/lib/language/walker/scopeAwareRuleWalker.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 ts = require("typescript");
+var utils_1 = require("../utils");
+var ruleWalker_1 = require("./ruleWalker");
+/**
+ * @deprecated Prefer to manually maintain any contextual information.
+ *
+ * For example, imagine a `no-break` rule that warns on `break` in `for` but not in `switch`:
+ *
+ * function walk(ctx: Lint.WalkContext): void {
+ *     let isInFor = false;
+ *     ts.forEachChild(ctx.sourceFile, function cb(node: ts.Node): void {
+ *         switch (node.kind) {
+ *             case ts.SyntaxKind.Break:
+ *                 if (isInFor) {
+ *                     ctx.addFailureAtNode(node, "!");
+ *                 }
+ *                 break;
+ *             case ts.SyntaxKind.ForStatement: {
+ *                 const old = isInFor;
+ *                 isInFor = true;
+ *                 ts.forEachChild(node, cb);
+ *                 isInFor = old;
+ *                 break;
+ *             }
+ *             case ts.SyntaxKind.SwitchStatement: {
+ *                 const old = isInFor;
+ *                 isInFor = false;
+ *                 ts.forEachChild(node, cb);
+ *                 isInFor = old;
+ *                 break;
+ *             }
+ *             default:
+ *                 ts.forEachChild(node, cb);
+ *         }
+ *     });
+ * }
+ */
+// tslint:disable-next-line deprecation
+var ScopeAwareRuleWalker = /** @class */ (function (_super) {
+    tslib_1.__extends(ScopeAwareRuleWalker, _super);
+    function ScopeAwareRuleWalker(sourceFile, options) {
+        var _this = _super.call(this, sourceFile, options) || this;
+        // initialize with global scope if file is not a module
+        _this.scopeStack = ts.isExternalModule(sourceFile) ? [] : [_this.createScope(sourceFile)];
+        return _this;
+    }
+    ScopeAwareRuleWalker.prototype.getCurrentScope = function () {
+        return this.scopeStack[this.scopeStack.length - 1];
+    };
+    // get all scopes available at this depth
+    ScopeAwareRuleWalker.prototype.getAllScopes = function () {
+        return this.scopeStack;
+    };
+    ScopeAwareRuleWalker.prototype.getCurrentDepth = function () {
+        return this.scopeStack.length;
+    };
+    // callback notifier when a scope begins
+    ScopeAwareRuleWalker.prototype.onScopeStart = function () {
+        return;
+    };
+    // callback notifier when a scope ends
+    ScopeAwareRuleWalker.prototype.onScopeEnd = function () {
+        return;
+    };
+    ScopeAwareRuleWalker.prototype.visitNode = function (node) {
+        var isNewScope = this.isScopeBoundary(node);
+        if (isNewScope) {
+            this.scopeStack.push(this.createScope(node));
+            this.onScopeStart();
+        }
+        _super.prototype.visitNode.call(this, node);
+        if (isNewScope) {
+            this.onScopeEnd();
+            this.scopeStack.pop();
+        }
+    };
+    ScopeAwareRuleWalker.prototype.isScopeBoundary = function (node) {
+        return utils_1.isScopeBoundary(node); // tslint:disable-line:deprecation
+    };
+    return ScopeAwareRuleWalker;
+}(ruleWalker_1.RuleWalker));
+exports.ScopeAwareRuleWalker = ScopeAwareRuleWalker;