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d2-ui

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/** * @fileoverview Enforce label tags have htmlFor attribute. * @author Ethan Cohen */ 'use strict'; // ---------------------------------------------------------------------------- // Rule Definition // ---------------------------------------------------------------------------- import getAttribute from '../util/getAttribute'; import getAttributeValue from '../util/getAttributeValue'; import getNodeType from '../util/getNodeType'; const errorMessage = 'Form controls using a label to identify them must be ' + 'programmatically associated with the control using htmlFor'; module.exports = context => ({ JSXOpeningElement: node => { const typeCheck = [ 'label' ].concat(context.options[0]); const nodeType = getNodeType(node); // Only check 'label' elements and custom types. if (typeCheck.indexOf(nodeType) === -1) { return; } const htmlForAttr = getAttribute(node.attributes, 'htmlFor'); const htmlForValue = getAttributeValue(htmlForAttr); const isInvalid = htmlForAttr === false || !htmlForValue; if (isInvalid) { context.report({ node, message: errorMessage }); } } }); module.exports.schema = [ { 'oneOf': [ { 'type': 'string' }, { 'type': 'array', 'items': { 'type': 'string' }, 'minItems': 1, 'uniqueItems': true } ] } ];