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/**
* @fileoverview Forbid certain elements
* @author Kenneth Chung
*/
'use strict';
const has = require('object.hasown/polyfill')();
const docsUrl = require('../util/docsUrl');
const isCreateElement = require('../util/isCreateElement');
const report = require('../util/report');
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
const messages = {
forbiddenElement: '<{{element}}> is forbidden',
forbiddenElement_message: '<{{element}}> is forbidden, {{message}}',
};
module.exports = {
meta: {
docs: {
description: 'Forbid certain elements',
category: 'Best Practices',
recommended: false,
url: docsUrl('forbid-elements'),
},
messages,
schema: [{
type: 'object',
properties: {
forbid: {
type: 'array',
items: {
anyOf: [
{ type: 'string' },
{
type: 'object',
properties: {
element: { type: 'string' },
message: { type: 'string' },
},
required: ['element'],
additionalProperties: false,
},
],
},
},
},
additionalProperties: false,
}],
},
create(context) {
const configuration = context.options[0] || {};
const forbidConfiguration = configuration.forbid || [];
const indexedForbidConfigs = {};
forbidConfiguration.forEach((item) => {
if (typeof item === 'string') {
indexedForbidConfigs[item] = { element: item };
} else {
indexedForbidConfigs[item.element] = item;
}
});
function reportIfForbidden(element, node) {
if (has(indexedForbidConfigs, element)) {
const message = indexedForbidConfigs[element].message;
report(
context,
message ? messages.forbiddenElement_message : messages.forbiddenElement,
message ? 'forbiddenElement_message' : 'forbiddenElement',
{
node,
data: {
element,
message,
},
}
);
}
}
return {
JSXOpeningElement(node) {
reportIfForbidden(context.getSourceCode().getText(node.name), node.name);
},
CallExpression(node) {
if (!isCreateElement(node, context)) {
return;
}
const argument = node.arguments[0];
const argType = argument.type;
if (argType === 'Identifier' && /^[A-Z_]/.test(argument.name)) {
reportIfForbidden(argument.name, argument);
} else if (argType === 'Literal' && /^[a-z][^.]*$/.test(argument.value)) {
reportIfForbidden(argument.value, argument);
} else if (argType === 'MemberExpression') {
reportIfForbidden(context.getSourceCode().getText(argument), argument);
}
},
};
},
};