github-pages-deploy-action/node_modules/tslint/lib/rules/noDefaultExportRule.js
2019-11-19 07:48:29 -05:00

67 lines
3.2 KiB
JavaScript

"use strict";
/**
* @license
* Copyright 2018 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 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-default-export",
description: "Disallows default exports in ES6-style modules.",
descriptionDetails: "Use named exports instead.",
rationale: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n Named imports/exports [promote clarity](https://github.com/palantir/tslint/issues/1182#issue-151780453).\n In addition, current tooling differs on the correct way to handle default imports/exports.\n Avoiding them all together can help avoid tooling bugs and conflicts."], ["\n Named imports/exports [promote clarity](https://github.com/palantir/tslint/issues/1182#issue-151780453).\n In addition, current tooling differs on the correct way to handle default imports/exports.\n Avoiding them all together can help avoid tooling bugs and conflicts."]))),
optionsDescription: "Not configurable.",
options: null,
optionExamples: [true],
type: "maintainability",
typescriptOnly: false,
};
/* tslint:enable:object-literal-sort-keys */
Rule.FAILURE_STRING = "Use of default exports is forbidden";
return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
function walk(ctx) {
if (ctx.sourceFile.isDeclarationFile || !ts.isExternalModule(ctx.sourceFile)) {
return;
}
for (var _i = 0, _a = ctx.sourceFile.statements; _i < _a.length; _i++) {
var statement = _a[_i];
if (statement.kind === ts.SyntaxKind.ExportAssignment) {
if (!statement.isExportEquals) {
ctx.addFailureAtNode(statement.getChildAt(1, ctx.sourceFile), Rule.FAILURE_STRING);
}
}
else if (statement.modifiers !== undefined &&
statement.modifiers.length >= 2 &&
statement.modifiers[0].kind === ts.SyntaxKind.ExportKeyword &&
statement.modifiers[1].kind === ts.SyntaxKind.DefaultKeyword) {
ctx.addFailureAtNode(statement.modifiers[1], Rule.FAILURE_STRING);
}
}
}
var templateObject_1;