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[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / tslint / lib / rules / noUnnecessaryQualifierRule.js

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/noUnnecessaryQualifierRule.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/noUnnecessaryQualifierRule.js
new file mode 100644 (file)
index 0000000..eeaf120
--- /dev/null
+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/noUnnecessaryQualifierRule.js
@@ -0,0 +1,129 @@
+"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;
+    }
+    /* tslint:enable:object-literal-sort-keys */
+    Rule.FAILURE_STRING = function (name) {
+        return "Qualifier is unnecessary since '" + name + "' is in scope.";
+    };
+    Rule.prototype.applyWithProgram = function (sourceFile, program) {
+        return this.applyWithFunction(sourceFile, walk, undefined, program.getTypeChecker());
+    };
+    /* tslint:disable:object-literal-sort-keys */
+    Rule.metadata = {
+        ruleName: "no-unnecessary-qualifier",
+        description: "Warns when a namespace qualifier (`A.x`) is unnecessary.",
+        hasFix: true,
+        optionsDescription: "Not configurable.",
+        options: null,
+        optionExamples: [true],
+        type: "style",
+        typescriptOnly: true,
+        requiresTypeInfo: true,
+    };
+    return Rule;
+}(Lint.Rules.TypedRule));
+exports.Rule = Rule;
+function walk(ctx, checker) {
+    var namespacesInScope = [];
+    ts.forEachChild(ctx.sourceFile, cb);
+    function cb(node) {
+        switch (node.kind) {
+            case ts.SyntaxKind.ModuleDeclaration:
+            case ts.SyntaxKind.EnumDeclaration:
+                namespacesInScope.push(node);
+                ts.forEachChild(node, cb);
+                namespacesInScope.pop();
+                break;
+            case ts.SyntaxKind.QualifiedName:
+                var _a = node, left = _a.left, right = _a.right;
+                visitNamespaceAccess(node, left, right);
+                break;
+            case ts.SyntaxKind.PropertyAccessExpression:
+                var _b = node, expression = _b.expression, name = _b.name;
+                if (utils.isEntityNameExpression(expression)) {
+                    visitNamespaceAccess(node, expression, name);
+                    break;
+                }
+            // falls through
+            default:
+                ts.forEachChild(node, cb);
+        }
+    }
+    function visitNamespaceAccess(node, qualifier, name) {
+        if (qualifierIsUnnecessary(qualifier, name)) {
+            var fix = Lint.Replacement.deleteFromTo(qualifier.getStart(), name.getStart());
+            ctx.addFailureAtNode(qualifier, Rule.FAILURE_STRING(qualifier.getText()), fix);
+        }
+        else {
+            // Only look for nested qualifier errors if we didn't already fail on the outer qualifier.
+            ts.forEachChild(node, cb);
+        }
+    }
+    function qualifierIsUnnecessary(qualifier, name) {
+        var namespaceSymbol = checker.getSymbolAtLocation(qualifier);
+        if (namespaceSymbol === undefined || !symbolIsNamespaceInScope(namespaceSymbol)) {
+            return false;
+        }
+        var accessedSymbol = checker.getSymbolAtLocation(name);
+        if (accessedSymbol === undefined) {
+            return false;
+        }
+        // If the symbol in scope is different, the qualifier is necessary.
+        var fromScope = getSymbolInScope(qualifier, accessedSymbol.flags, name.text);
+        return fromScope === undefined || symbolsAreEqual(accessedSymbol, fromScope);
+    }
+    function getSymbolInScope(node, flags, name) {
+        // TODO:PERF `getSymbolsInScope` gets a long list. Is there a better way?
+        var scope = checker.getSymbolsInScope(node, flags);
+        return scope.find(function (scopeSymbol) { return scopeSymbol.name === name; });
+    }
+    function symbolIsNamespaceInScope(symbol) {
+        var symbolDeclarations = symbol.getDeclarations();
+        if (symbolDeclarations === undefined) {
+            return false;
+        }
+        else if (symbolDeclarations.some(function (decl) { return namespacesInScope.some(function (ns) { return ns === decl; }); })) {
+            return true;
+        }
+        var alias = tryGetAliasedSymbol(symbol, checker);
+        return alias !== undefined && symbolIsNamespaceInScope(alias);
+    }
+    function symbolsAreEqual(accessed, inScope) {
+        if (checker.getExportSymbolOfSymbol !== undefined) {
+            inScope = checker.getExportSymbolOfSymbol(inScope);
+            return accessed === inScope;
+        }
+        return (accessed === inScope ||
+            // For compatibility with typescript@2.5: compare declarations because the symbols don't have the same reference
+            Lint.Utils.arraysAreEqual(accessed.declarations, inScope.declarations, function (a, b) { return a === b; }));
+    }
+}
+function tryGetAliasedSymbol(symbol, checker) {
+    return utils.isSymbolFlagSet(symbol, ts.SymbolFlags.Alias)
+        ? checker.getAliasedSymbol(symbol)
+        : undefined;
+}