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/**
* @fileoverview Rule to flag use of certain node types
* @author Burak Yigit Kaya
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = {
meta: {
docs: {
description: "disallow specified syntax",
category: "Stylistic Issues",
recommended: false
},
schema: {
type: "array",
items: [{
oneOf: [
{
type: "string"
},
{
type: "object",
properties: {
selector: { type: "string" },
message: { type: "string" }
},
required: ["selector"],
additionalProperties: false
}
]
}],
uniqueItems: true,
minItems: 0
}
},
create(context) {
return context.options.reduce((result, selectorOrObject) => {
const isStringFormat = (typeof selectorOrObject === "string");
const hasCustomMessage = !isStringFormat && Boolean(selectorOrObject.message);
const selector = isStringFormat ? selectorOrObject : selectorOrObject.selector;
const message = hasCustomMessage ? selectorOrObject.message : "Using '{{selector}}' is not allowed.";
return Object.assign(result, {
[selector](node) {
context.report({
node,
message,
data: hasCustomMessage ? {} : { selector }
});
}
});
}, {});
}
};
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