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forbid-component-props.js
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forbid-component-props.js
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/**
* @fileoverview Forbid certain props on components
* @author Joe Lencioni
*/
'use strict';
const docsUrl = require('../util/docsUrl');
const report = require('../util/report');
// ------------------------------------------------------------------------------
// Constants
// ------------------------------------------------------------------------------
const DEFAULTS = ['className', 'style'];
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
const messages = {
propIsForbidden: 'Prop "{{prop}}" is forbidden on Components',
};
module.exports = {
meta: {
docs: {
description: 'Disallow certain props on components',
category: 'Best Practices',
recommended: false,
url: docsUrl('forbid-component-props'),
},
messages,
schema: [{
type: 'object',
properties: {
forbid: {
type: 'array',
items: {
anyOf: [
{ type: 'string' },
{
type: 'object',
properties: {
propName: { type: 'string' },
allowedFor: {
type: 'array',
uniqueItems: true,
items: { type: 'string' },
},
message: { type: 'string' },
},
additionalProperties: false,
},
{
type: 'object',
properties: {
propName: { type: 'string' },
disallowedFor: {
type: 'array',
uniqueItems: true,
minItems: 1,
items: { type: 'string' },
},
message: { type: 'string' },
},
required: ['disallowedFor'],
additionalProperties: false,
},
],
},
},
},
}],
},
create(context) {
const configuration = context.options[0] || {};
const forbid = new Map((configuration.forbid || DEFAULTS).map((value) => {
const propName = typeof value === 'string' ? value : value.propName;
const options = {
allowList: typeof value === 'string' ? [] : (value.allowedFor || []),
disallowList: typeof value === 'string' ? [] : (value.disallowedFor || []),
message: typeof value === 'string' ? null : value.message,
};
return [propName, options];
}));
function isForbidden(prop, tagName) {
const options = forbid.get(prop);
if (!options) {
return false;
}
// disallowList should have a least one item (schema configuration)
const isTagForbidden = options.disallowList.length > 0
? options.disallowList.indexOf(tagName) !== -1
: options.allowList.indexOf(tagName) === -1;
// if the tagName is undefined (`<this.something>`), we assume it's a forbidden element
return typeof tagName === 'undefined' || isTagForbidden;
}
return {
JSXAttribute(node) {
const parentName = node.parent.name;
// Extract a component name when using a "namespace", e.g. `<AntdLayout.Content />`.
const tag = parentName.name || `${parentName.object.name}.${parentName.property.name}`;
const componentName = parentName.name || parentName.property.name;
if (componentName && typeof componentName[0] === 'string' && componentName[0] !== componentName[0].toUpperCase()) {
// This is a DOM node, not a Component, so exit.
return;
}
const prop = node.name.name;
if (!isForbidden(prop, tag)) {
return;
}
const customMessage = forbid.get(prop).message;
report(context, customMessage || messages.propIsForbidden, !customMessage && 'propIsForbidden', {
node,
data: {
prop,
},
});
},
};
},
};