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https://github.com/JamesIves/github-pages-deploy-action.git
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81 lines
4.5 KiB
JavaScript
81 lines
4.5 KiB
JavaScript
"use strict";
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/**
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* @license
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* Copyright 2018 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 tsutils_1 = require("tsutils");
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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.applyWithProgram = function (sourceFile, program) {
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return this.applyWithFunction(sourceFile, walk, ["Promise"].concat(this.ruleArguments), program.getTypeChecker());
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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-floating-promises",
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description: "Promises returned by functions must be handled appropriately.",
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descriptionDetails: "Unhandled Promises can cause unexpected behavior, such as resolving at unexpected times.",
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optionsDescription: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n A list of 'string' names of any additional classes that should also be handled as Promises.\n "], ["\n A list of \\'string\\' names of any additional classes that should also be handled as Promises.\n "]))),
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options: {
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type: "list",
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listType: {
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type: "array",
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items: { type: "string" },
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},
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},
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optionExamples: [true, [true, "JQueryPromise"]],
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rationale: Lint.Utils.dedent(templateObject_2 || (templateObject_2 = tslib_1.__makeTemplateObject(["\n Creating a Promise and not storing or returning it may let other code run independently of its result.\n This can cause unexpected and/or non-deterministic behavior depending on external timing factors.\n\n It's typically better to return Promises from functions that start them, then handle them in calling code.\n\n Use `no-unused-expression` in addition to this rule to reveal even more floating promises.\n "], ["\n Creating a Promise and not storing or returning it may let other code run independently of its result.\n This can cause unexpected and/or non-deterministic behavior depending on external timing factors.\n\n It's typically better to return Promises from functions that start them, then handle them in calling code.\n\n Use \\`no-unused-expression\\` in addition to this rule to reveal even more floating promises.\n "]))),
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type: "functionality",
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typescriptOnly: true,
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requiresTypeInfo: true,
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};
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/* tslint:enable:object-literal-sort-keys */
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Rule.FAILURE_STRING = "Promises must be handled appropriately";
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return Rule;
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}(Lint.Rules.TypedRule));
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exports.Rule = Rule;
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function walk(ctx, tc) {
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return ts.forEachChild(ctx.sourceFile, function cb(node) {
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if (tsutils_1.isExpressionStatement(node)) {
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var expression = node.expression;
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if (tsutils_1.isCallExpression(expression) &&
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!isPromiseCatchCall(expression) &&
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!isPromiseThenCallWithRejectionHandler(expression)) {
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var symbol = tc.getTypeAtLocation(expression).symbol;
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if (symbol !== undefined && ctx.options.indexOf(symbol.name) !== -1) {
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ctx.addFailureAtNode(expression, Rule.FAILURE_STRING);
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}
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}
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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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function isPromiseCatchCall(expression) {
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return (tsutils_1.isPropertyAccessExpression(expression.expression) &&
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expression.expression.name.text === "catch");
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}
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function isPromiseThenCallWithRejectionHandler(expression) {
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return (tsutils_1.isPropertyAccessExpression(expression.expression) &&
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expression.expression.name.text === "then" &&
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expression.arguments.length >= 2);
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}
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var templateObject_1, templateObject_2;
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