rxjs-tslint-rules
Version:
TSLint rules for RxJS
59 lines (58 loc) • 2.69 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var tsquery_1 = require("@phenomnomnominal/tsquery");
var Lint = require("tslint");
var tsutils = require("tsutils");
var peer = require("../support/peer");
var util_1 = require("../support/util");
var Rule = (function (_super) {
tslib_1.__extends(Rule, _super);
function Rule() {
return _super !== null && _super.apply(this, arguments) || this;
}
Rule.prototype.applyWithProgram = function (sourceFile, program) {
var _this = this;
var failures = [];
var typeChecker = program.getTypeChecker();
var identifiers = tsquery_1.tsquery(sourceFile, "CallExpression Identifier[name=/(repeatWhen|retryWhen)/]");
identifiers.forEach(function (identifier) {
var callExpression = identifier.parent;
if (callExpression.arguments.length > 0) {
var type = typeChecker.getTypeAtLocation(callExpression);
if (util_1.couldBeType(type, "MonoTypeOperatorFunction")) {
var _a = tslib_1.__read(callExpression.arguments, 1), arg = _a[0];
if (tsutils.isArrowFunction(arg) ||
tsutils.isFunctionExpression(arg)) {
var fail = false;
var _b = tslib_1.__read(arg.parameters, 1), parameter = _b[0];
if (parameter) {
fail =
tsquery_1.tsquery(arg.body, "Identifier[name=" + parameter.name.getText() + "]").length === 0;
}
else {
fail = true;
}
if (fail) {
failures.push(new Lint.RuleFailure(sourceFile, identifier.getStart(), identifier.getStart() + identifier.getWidth(), Rule.FAILURE_STRING, _this.ruleName));
}
}
}
}
});
return failures;
};
Rule.metadata = {
deprecationMessage: peer.v5 ? peer.v5NotSupportedMessage : undefined,
description: "Disallows observables not composed from the `repeatWhen` or `retryWhen` notifier.",
options: null,
optionsDescription: "Not configurable.",
requiresTypeInfo: true,
ruleName: "rxjs-no-ignored-notifier",
type: "functionality",
typescriptOnly: true
};
Rule.FAILURE_STRING = "Ignoring the notifier is forbidden";
return Rule;
}(Lint.Rules.TypedRule));
exports.Rule = Rule;