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66 lines
1.6 KiB
66 lines
1.6 KiB
/**
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* @author Toru Nagashima
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* @copyright 2017 Toru Nagashima. All rights reserved.
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* See LICENSE file in root directory for full license.
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*/
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'use strict'
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const utils = require('../utils')
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module.exports = {
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meta: {
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type: 'problem',
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docs: {
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description: 'enforce valid template root',
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categories: ['vue3-essential', 'vue2-essential'],
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url: 'https://eslint.vuejs.org/rules/valid-template-root.html'
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},
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fixable: null,
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schema: [],
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messages: {
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emptySrc:
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"The template root with 'src' attribute is required to be empty.",
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noChild: 'The template requires child element.'
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}
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},
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/** @param {RuleContext} context */
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create(context) {
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const sourceCode = context.getSourceCode()
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return {
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/** @param {Program} program */
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Program(program) {
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const element = program.templateBody
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if (element == null) {
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return
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}
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const hasSrc = utils.hasAttribute(element, 'src')
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const rootElements = []
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for (const child of element.children) {
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if (sourceCode.getText(child).trim() !== '') {
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rootElements.push(child)
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}
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}
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if (hasSrc && rootElements.length > 0) {
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for (const element of rootElements) {
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context.report({
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node: element,
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loc: element.loc,
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messageId: 'emptySrc'
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})
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}
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} else if (rootElements.length === 0 && !hasSrc) {
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context.report({
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node: element,
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loc: element.loc,
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messageId: 'noChild'
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})
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}
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}
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}
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}
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}
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