noRequireImportsRule.js
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"use strict";
var __extends = (this && this.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var ts = require("typescript");
var Lint = require("../lint");
var Rule = (function (_super) {
__extends(Rule, _super);
function Rule() {
_super.apply(this, arguments);
}
Rule.prototype.apply = function (sourceFile) {
return this.applyWithWalker(new NoRequireImportsWalker(sourceFile, this.getOptions()));
};
Rule.metadata = {
ruleName: "no-require-imports",
description: "Disallows invocation of `require()`.",
rationale: "Prefer the newer ES6-style imports over `require()`.",
optionsDescription: "Not configurable.",
options: null,
optionExamples: ["true"],
type: "maintainability",
};
Rule.FAILURE_STRING = "require() style import is forbidden";
return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
var NoRequireImportsWalker = (function (_super) {
__extends(NoRequireImportsWalker, _super);
function NoRequireImportsWalker() {
_super.apply(this, arguments);
}
NoRequireImportsWalker.prototype.visitCallExpression = function (node) {
if (node.arguments != null && node.expression != null) {
var callExpressionText = node.expression.getText(this.getSourceFile());
if (callExpressionText === "require") {
this.addFailure(this.createFailure(node.getStart(), node.getWidth(), Rule.FAILURE_STRING));
}
}
_super.prototype.visitCallExpression.call(this, node);
};
NoRequireImportsWalker.prototype.visitImportEqualsDeclaration = function (node) {
var moduleReference = node.moduleReference;
if (moduleReference.kind === ts.SyntaxKind.ExternalModuleReference) {
this.addFailure(this.createFailure(moduleReference.getStart(), moduleReference.getWidth(), Rule.FAILURE_STRING));
}
_super.prototype.visitImportEqualsDeclaration.call(this, node);
};
return NoRequireImportsWalker;
}(Lint.RuleWalker));