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Mini Shell
Mini Shell
/**
* @fileoverview Enforce a maximum number of classes per file
* @author James Garbutt <https://github.com/43081j>
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
/** @type {import('../shared/types').Rule} */
module.exports = {
meta: {
type: "suggestion",
docs: {
description: "enforce a maximum number of classes per file",
recommended: false,
url: "https://eslint.org/docs/rules/max-classes-per-file"
},
schema: [
{
oneOf: [
{
type: "integer",
minimum: 1
},
{
type: "object",
properties: {
ignoreExpressions: {
type: "boolean"
},
max: {
type: "integer",
minimum: 1
}
},
additionalProperties: false
}
]
}
],
messages: {
maximumExceeded: "File has too many classes ({{ classCount }}). Maximum allowed is {{ max }}."
}
},
create(context) {
const [option = {}] = context.options;
const [ignoreExpressions, max] = typeof option === "number"
? [false, option || 1]
: [option.ignoreExpressions, option.max || 1];
let classCount = 0;
return {
Program() {
classCount = 0;
},
"Program:exit"(node) {
if (classCount > max) {
context.report({
node,
messageId: "maximumExceeded",
data: {
classCount,
max
}
});
}
},
"ClassDeclaration"() {
classCount++;
},
"ClassExpression"() {
if (!ignoreExpressions) {
classCount++;
}
}
};
}
};
Zerion Mini Shell 1.0