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- /**
- * @fileoverview Forbid certain props on DOM Nodes
- * @author David Vázquez
- */
- 'use strict';
- const docsUrl = require('../util/docsUrl');
- const report = require('../util/report');
- // ------------------------------------------------------------------------------
- // Constants
- // ------------------------------------------------------------------------------
- const DEFAULTS = [];
- // ------------------------------------------------------------------------------
- // Rule Definition
- // ------------------------------------------------------------------------------
- /**
- * @param {Map<string, object>} forbidMap // { disallowList: null | string[], message: null | string }
- * @param {string} prop
- * @param {string} tagName
- * @returns {boolean}
- */
- function isForbidden(forbidMap, prop, tagName) {
- const options = forbidMap.get(prop);
- return options && (
- typeof tagName === 'undefined'
- || !options.disallowList
- || options.disallowList.indexOf(tagName) !== -1
- );
- }
- const messages = {
- propIsForbidden: 'Prop "{{prop}}" is forbidden on DOM Nodes',
- };
- module.exports = {
- meta: {
- docs: {
- description: 'Disallow certain props on DOM Nodes',
- category: 'Best Practices',
- recommended: false,
- url: docsUrl('forbid-dom-props'),
- },
- messages,
- schema: [{
- type: 'object',
- properties: {
- forbid: {
- type: 'array',
- items: {
- anyOf: [{
- type: 'string',
- }, {
- type: 'object',
- properties: {
- propName: {
- type: 'string',
- },
- disallowedFor: {
- type: 'array',
- uniqueItems: true,
- items: {
- type: 'string',
- },
- },
- message: {
- type: 'string',
- },
- },
- }],
- minLength: 1,
- },
- uniqueItems: true,
- },
- },
- 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;
- return [propName, {
- disallowList: typeof value === 'string' ? null : (value.disallowedFor || null),
- message: typeof value === 'string' ? null : value.message,
- }];
- }));
- return {
- JSXAttribute(node) {
- const tag = node.parent.name.name;
- if (!(tag && typeof tag === 'string' && tag[0] !== tag[0].toUpperCase())) {
- // This is a Component, not a DOM node, so exit.
- return;
- }
- const prop = node.name.name;
- if (!isForbidden(forbid, prop, tag)) {
- return;
- }
- const customMessage = forbid.get(prop).message;
- report(context, customMessage || messages.propIsForbidden, !customMessage && 'propIsForbidden', {
- node,
- data: {
- prop,
- },
- });
- },
- };
- },
- };
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