2020-03-07 11:45:40 +08:00
|
|
|
/**
|
|
|
|
* @fileoverview Rule to check use of chained assignment expressions
|
|
|
|
* @author Stewart Rand
|
|
|
|
*/
|
|
|
|
|
|
|
|
"use strict";
|
|
|
|
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
// Rule Definition
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
|
|
|
|
module.exports = {
|
|
|
|
meta: {
|
|
|
|
type: "suggestion",
|
|
|
|
|
|
|
|
docs: {
|
|
|
|
description: "disallow use of chained assignment expressions",
|
|
|
|
category: "Stylistic Issues",
|
|
|
|
recommended: false,
|
|
|
|
url: "https://eslint.org/docs/rules/no-multi-assign"
|
|
|
|
},
|
|
|
|
|
2020-05-15 05:33:08 +08:00
|
|
|
schema: [],
|
|
|
|
|
|
|
|
messages: {
|
|
|
|
unexpectedChain: "Unexpected chained assignment."
|
|
|
|
}
|
2020-03-07 11:45:40 +08:00
|
|
|
},
|
|
|
|
|
|
|
|
create(context) {
|
|
|
|
|
|
|
|
//--------------------------------------------------------------------------
|
|
|
|
// Public
|
|
|
|
//--------------------------------------------------------------------------
|
|
|
|
|
|
|
|
return {
|
|
|
|
AssignmentExpression(node) {
|
|
|
|
if (["AssignmentExpression", "VariableDeclarator"].indexOf(node.parent.type) !== -1) {
|
|
|
|
context.report({
|
|
|
|
node,
|
2020-05-15 05:33:08 +08:00
|
|
|
messageId: "unexpectedChain"
|
2020-03-07 11:45:40 +08:00
|
|
|
});
|
|
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
}
|
|
|
|
};
|