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no-subject-value.ts
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no-subject-value.ts
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/**
* @license Use of this source code is governed by an MIT-style license that
* can be found in the LICENSE file at https://github.com/cartant/eslint-plugin-rxjs
*/
import { TSESTree as es } from "@typescript-eslint/experimental-utils";
import { getParent, getTypeServices } from "eslint-etc";
import { ruleCreator } from "../utils";
const rule = ruleCreator({
defaultOptions: [],
meta: {
docs: {
description:
"Forbids accessing the `value` property of a `BehaviorSubject` instance.",
recommended: "error",
},
fixable: undefined,
hasSuggestions: false,
messages: {
forbidden:
"Accessing the value property of a BehaviorSubject is forbidden.",
},
schema: [],
type: "problem",
},
name: "no-subject-value",
create: (context) => {
const { couldBeBehaviorSubject } = getTypeServices(context);
return {
"Identifier[name=/^(value|getValue)$/]": (node: es.Identifier) => {
const parent = getParent(node);
if (!parent || !("object" in parent)) {
return;
}
if (couldBeBehaviorSubject(parent.object)) {
context.report({
messageId: "forbidden",
node,
});
}
},
};
},
});
export = rule;