wallet-core/node_modules/tslint/lib/rules/noConstructRule.js

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"use strict";
/**
* @license
* Copyright 2013 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");
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var Rule = /** @class */ (function (_super) {
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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);
};
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/* tslint:disable:object-literal-sort-keys */
Rule.metadata = {
ruleName: "no-construct",
description: "Disallows access to the constructors of `String`, `Number`, and `Boolean`.",
descriptionDetails: "Disallows constructor use such as `new Number(foo)` but does not disallow `Number(foo)`.",
rationale: (_a = ["\n There is little reason to use `String`, `Number`, or `Boolean` as constructors.\n In almost all cases, the regular function-call version is more appropriate.\n [More details](http://stackoverflow.com/q/4719320/3124288) are available on StackOverflow."], _a.raw = ["\n There is little reason to use \\`String\\`, \\`Number\\`, or \\`Boolean\\` as constructors.\n In almost all cases, the regular function-call version is more appropriate.\n [More details](http://stackoverflow.com/q/4719320/3124288) are available on StackOverflow."], Lint.Utils.dedent(_a)),
optionsDescription: "Not configurable.",
options: null,
optionExamples: [true],
type: "functionality",
typescriptOnly: false,
};
/* tslint:enable:object-literal-sort-keys */
Rule.FAILURE_STRING = "Forbidden constructor, use a literal or simple function call instead";
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return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
function walk(ctx) {
return ts.forEachChild(ctx.sourceFile, function cb(node) {
if (tsutils_1.isNewExpression(node) && node.expression.kind === ts.SyntaxKind.Identifier) {
switch (node.expression.text) {
case "Boolean":
case "String":
case "Number":
ctx.addFailure(node.getStart(ctx.sourceFile), node.expression.end, Rule.FAILURE_STRING);
}
}
return ts.forEachChild(node, cb);
});
}
var _a;