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https://github.com/JamesIves/github-pages-deploy-action.git
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55 lines
3.6 KiB
JavaScript
55 lines
3.6 KiB
JavaScript
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"use strict";
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/**
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* @license
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* Copyright 2017 Palantir Technologies, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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var tslib_1 = require("tslib");
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var ts = require("typescript");
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var Lint = require("../index");
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var Rule = /** @class */ (function (_super) {
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tslib_1.__extends(Rule, _super);
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function Rule() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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Rule.prototype.apply = function (sourceFile) {
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return this.applyWithFunction(sourceFile, walk);
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};
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/* tslint:disable:object-literal-sort-keys */
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Rule.metadata = {
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ruleName: "no-non-null-assertion",
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description: "Disallows non-null assertions using the `!` postfix operator.",
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rationale: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n Using non-null assertion cancels the benefits of the strict null checking mode.\n\n Instead of assuming objects exist:\n\n ```\n function foo(instance: MyClass | undefined) {\n instance!.doWork();\n }\n ```\n\n Either inform the strict type system that the object must exist:\n\n ```\n function foo(instance: MyClass) {\n instance.doWork();\n }\n ```\n\n Or verify that the instance exists, which will inform the type checker:\n\n ```\n function foo(instance: MyClass | undefined) {\n if (instance !== undefined) {\n instance.doWork();\n }\n }\n ```\n "], ["\n Using non-null assertion cancels the benefits of the strict null checking mode.\n\n Instead of assuming objects exist:\n\n \\`\\`\\`\n function foo(instance: MyClass | undefined) {\n instance!.doWork();\n }\n \\`\\`\\`\n\n Either inform the strict type system that the object must exist:\n\n \\`\\`\\`\n function foo(instance: MyClass) {\n instance.doWork();\n }\n \\`\\`\\`\n\n Or verify that the instance exists, which will inform the type checker:\n\n \\`\\`\\`\n function foo(instance: MyClass | undefined) {\n if (instance !== undefined) {\n instance.doWork();\n }\n }\n \\`\\`\\`\n "]))),
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optionsDescription: "Not configurable.",
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options: null,
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optionExamples: [true],
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type: "typescript",
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typescriptOnly: true,
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};
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/* tslint:enable:object-literal-sort-keys */
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Rule.FAILURE_STRING = "Forbidden non null assertion";
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return Rule;
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}(Lint.Rules.AbstractRule));
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exports.Rule = Rule;
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function walk(ctx) {
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return ts.forEachChild(ctx.sourceFile, function cb(node) {
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if (node.kind === ts.SyntaxKind.NonNullExpression) {
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ctx.addFailureAtNode(node, Rule.FAILURE_STRING);
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}
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return ts.forEachChild(node, cb);
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});
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}
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var templateObject_1;
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