robojerk/codeql-action

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anaarmas 2020-04-28 16:46:47 +02:00
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node_modules/tslint/lib/rules/strictStringExpressionsRule.js generated vendored Normal file
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"use strict";
/**
* @license
* Copyright 2019 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.
*/
var _a, _b;
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 OPTION_ALLOW_EMPTY_TYPES = "allow-empty-types";
var Rule = /** @class */ (function (_super) {
tslib_1.__extends(Rule, _super);
function Rule() {
return _super !== null && _super.apply(this, arguments) || this;
}
Rule.prototype.applyWithProgram = function (sourceFile, program) {
return this.applyWithFunction(sourceFile, walk, this.getRuleOptions(), program.getTypeChecker());
};
Rule.prototype.getRuleOptions = function () {
var _a;
if (this.ruleArguments[0] === undefined) {
return _a = {},
_a[OPTION_ALLOW_EMPTY_TYPES] = true,
_a;
}
else {
return this.ruleArguments[0];
}
};
Rule.CONVERSION_REQUIRED = "Explicit conversion to string type required";
Rule.metadata = {
description: "Disable implicit toString() calls",
descriptionDetails: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n Require explicit toString() call for variables used in strings. By default only strings are allowed.\n\n The following nodes are checked:\n\n * String literals (\"foo\" + bar)\n * ES6 templates (`foo ${bar}`)"], ["\n Require explicit toString() call for variables used in strings. By default only strings are allowed.\n\n The following nodes are checked:\n\n * String literals (\"foo\" + bar)\n * ES6 templates (\\`foo \\${bar}\\`)"]))),
hasFix: true,
optionExamples: [
true,
[
true,
(_a = {},
_a[OPTION_ALLOW_EMPTY_TYPES] = true,
_a),
],
],
options: {
properties: (_b = {},
_b[OPTION_ALLOW_EMPTY_TYPES] = {
type: "boolean",
},
_b),
type: "object",
},
optionsDescription: Lint.Utils.dedent(templateObject_2 || (templateObject_2 = tslib_1.__makeTemplateObject(["\n Following arguments may be optionally provided:\n * `", "` allows `null`, `undefined` and `never` to be passed into strings without explicit conversion"], ["\n Following arguments may be optionally provided:\n * \\`", "\\` allows \\`null\\`, \\`undefined\\` and \\`never\\` to be passed into strings without explicit conversion"])), OPTION_ALLOW_EMPTY_TYPES),
requiresTypeInfo: true,
ruleName: "strict-string-expressions",
type: "functionality",
typescriptOnly: true,
};
return Rule;
}(Lint.Rules.TypedRule));
exports.Rule = Rule;
function walk(ctx, checker) {
var sourceFile = ctx.sourceFile, options = ctx.options;
ts.forEachChild(sourceFile, function cb(node) {
switch (node.kind) {
case ts.SyntaxKind.BinaryExpression: {
var binaryExpr = node;
if (binaryExpr.operatorToken.kind === ts.SyntaxKind.PlusToken) {
var leftIsPassedAsIs = typeCanBeStringifiedEasily(checker.getTypeAtLocation(binaryExpr.left), options);
var rightIsPassedAsIs = typeCanBeStringifiedEasily(checker.getTypeAtLocation(binaryExpr.right), options);
var leftIsFailed = !leftIsPassedAsIs && rightIsPassedAsIs;
var rightIsFailed = leftIsPassedAsIs && !rightIsPassedAsIs;
if (leftIsFailed || rightIsFailed) {
var expression = leftIsFailed ? binaryExpr.left : binaryExpr.right;
addFailure(binaryExpr, expression);
}
}
break;
}
case ts.SyntaxKind.TemplateSpan: {
var templateSpanNode = node;
var type = checker.getTypeAtLocation(templateSpanNode.expression);
var shouldPassAsIs = typeCanBeStringifiedEasily(type, options);
if (!shouldPassAsIs) {
var expression = templateSpanNode.expression;
addFailure(templateSpanNode, expression);
}
}
}
return ts.forEachChild(node, cb);
});
function addFailure(node, expression) {
var fix = Lint.Replacement.replaceFromTo(expression.getStart(), expression.end, "String(" + expression.getText() + ")");
ctx.addFailureAtNode(node, Rule.CONVERSION_REQUIRED, fix);
}
}
var typeIsEmpty = function (type) {
return tsutils_1.isTypeFlagSet(type, ts.TypeFlags.Null) ||
tsutils_1.isTypeFlagSet(type, ts.TypeFlags.VoidLike) ||
tsutils_1.isTypeFlagSet(type, ts.TypeFlags.Undefined) ||
tsutils_1.isTypeFlagSet(type, ts.TypeFlags.Never);
};
function typeCanBeStringifiedEasily(type, options) {
if (tsutils_1.isUnionType(type)) {
return type.types.every(function (unionAtomicType) {
return typeCanBeStringifiedEasily(unionAtomicType, options);
});
}
if (options[OPTION_ALLOW_EMPTY_TYPES] && typeIsEmpty(type)) {
return true;
}
return (tsutils_1.isTypeFlagSet(type, ts.TypeFlags.BooleanLike) ||
tsutils_1.isTypeFlagSet(type, ts.TypeFlags.StringOrNumberLiteral) ||
tsutils_1.isTypeFlagSet(type, ts.TypeFlags.NumberLike) ||
tsutils_1.isTypeFlagSet(type, ts.TypeFlags.StringLike) ||
tsutils_1.isTypeFlagSet(type, ts.TypeFlags.Any));
}
var templateObject_1, templateObject_2;