diff options
Diffstat (limited to 'node_modules/tslint/lib/rules/noDuplicateSuperRule.js')
-rw-r--r-- | node_modules/tslint/lib/rules/noDuplicateSuperRule.js | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/node_modules/tslint/lib/rules/noDuplicateSuperRule.js b/node_modules/tslint/lib/rules/noDuplicateSuperRule.js deleted file mode 100644 index b1e545f48..000000000 --- a/node_modules/tslint/lib/rules/noDuplicateSuperRule.js +++ /dev/null @@ -1,164 +0,0 @@ -"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 tsutils_1 = 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-duplicate-super", - description: "Warns if 'super()' appears twice in a constructor.", - rationale: "The second call to 'super()' will fail at runtime.", - optionsDescription: "Not configurable.", - options: null, - optionExamples: [true], - type: "functionality", - typescriptOnly: false, - }; - /* tslint:enable:object-literal-sort-keys */ - Rule.FAILURE_STRING_DUPLICATE = "Multiple calls to 'super()' found. It must be called only once."; - Rule.FAILURE_STRING_LOOP = "'super()' called in a loop. It must be called only once."; - return Rule; -}(Lint.Rules.AbstractRule)); -exports.Rule = Rule; -function walk(ctx) { - return ts.forEachChild(ctx.sourceFile, function cb(node) { - if (tsutils_1.isConstructorDeclaration(node) && node.body !== undefined) { - getSuperForNode(node.body); - } - return ts.forEachChild(node, cb); - }); - function getSuperForNode(node) { - if (tsutils_1.isIterationStatement(node)) { - var bodySuper = combineSequentialChildren(node); - if (typeof bodySuper === "number") { - return 0 /* NoSuper */; - } - if (!bodySuper.break) { - ctx.addFailureAtNode(bodySuper.node, Rule.FAILURE_STRING_LOOP); - } - return tslib_1.__assign({}, bodySuper, { break: false }); - } - switch (node.kind) { - case ts.SyntaxKind.ReturnStatement: - case ts.SyntaxKind.ThrowStatement: - return 1 /* Return */; - case ts.SyntaxKind.BreakStatement: - return 2 /* Break */; - case ts.SyntaxKind.ClassDeclaration: - case ts.SyntaxKind.ClassExpression: - // 'super()' is bound differently inside, so ignore. - return 0 /* NoSuper */; - case ts.SyntaxKind.SuperKeyword: - return node.parent.kind === ts.SyntaxKind.CallExpression && node.parent.expression === node - ? { node: node.parent, break: false } - : 0 /* NoSuper */; - case ts.SyntaxKind.ConditionalExpression: { - var _a = node, condition = _a.condition, whenTrue = _a.whenTrue, whenFalse = _a.whenFalse; - var inCondition = getSuperForNode(condition); - var inBranches = worse(getSuperForNode(whenTrue), getSuperForNode(whenFalse)); - if (typeof inCondition !== "number" && typeof inBranches !== "number") { - addDuplicateFailure(inCondition.node, inBranches.node); - } - return worse(inCondition, inBranches); - } - case ts.SyntaxKind.IfStatement: { - var _b = node, thenStatement = _b.thenStatement, elseStatement = _b.elseStatement; - return worse(getSuperForNode(thenStatement), elseStatement !== undefined ? getSuperForNode(elseStatement) : 0 /* NoSuper */); - } - case ts.SyntaxKind.SwitchStatement: - return getSuperForSwitch(node); - default: - return combineSequentialChildren(node); - } - } - function getSuperForSwitch(node) { - // 'super()' from any clause. Used to track whether 'super()' happens in the switch at all. - var foundSingle; - // 'super()' from the previous clause if it did not 'break;'. - var fallthroughSingle; - for (var _i = 0, _a = node.caseBlock.clauses; _i < _a.length; _i++) { - var clause = _a[_i]; - var clauseSuper = combineSequentialChildren(clause); - switch (clauseSuper) { - case 0 /* NoSuper */: - break; - case 2 /* Break */: - fallthroughSingle = undefined; - break; - case 1 /* Return */: - return 0 /* NoSuper */; - default: - if (fallthroughSingle !== undefined) { - addDuplicateFailure(fallthroughSingle, clauseSuper.node); - } - if (!clauseSuper.break) { - fallthroughSingle = clauseSuper.node; - } - foundSingle = clauseSuper.node; - } - } - return foundSingle !== undefined ? { node: foundSingle, break: false } : 0 /* NoSuper */; - } - /** - * Combines children that come one after another. - * (As opposed to if/else, switch, or loops, which need their own handling.) - */ - function combineSequentialChildren(node) { - var seenSingle; - var res = ts.forEachChild(node, function (child) { - var childSuper = getSuperForNode(child); - switch (childSuper) { - case 0 /* NoSuper */: - return undefined; - case 2 /* Break */: - if (seenSingle !== undefined) { - return tslib_1.__assign({}, seenSingle, { break: true }); - } - return childSuper; - case 1 /* Return */: - return childSuper; - default: - if (seenSingle !== undefined && !seenSingle.break) { - addDuplicateFailure(seenSingle.node, childSuper.node); - } - seenSingle = childSuper; - return undefined; - } - }); - return res !== undefined ? res : seenSingle !== undefined ? seenSingle : 0 /* NoSuper */; - } - function addDuplicateFailure(a, b) { - ctx.addFailure(a.getStart(), b.end, Rule.FAILURE_STRING_DUPLICATE); - } -} -// If/else run separately, so return the branch more likely to result in eventual errors. -function worse(a, b) { - return typeof a === "number" - ? typeof b === "number" ? (a < b ? b : a) : b - : typeof b === "number" ? a : a.break ? b : a; -} |