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/**
* @fileoverview require rules to implement a meta.type property
* @author 薛定谔的猫<weiran.zsd@outlook.com>
*/
'use strict';
const utils = require('../utils');
const VALID_TYPES = new Set(['problem', 'suggestion', 'layout']);
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
module.exports = {
meta: {
docs: {
description: 'require rules to implement a meta.type property',
category: 'Rules',
recommended: false, // TODO: enable it in a major release.
},
type: 'problem',
fixable: null,
schema: [],
messages: {
missing: '`meta.type` is required (must be either `problem`, `suggestion`, or `layout`).',
unexpected: '`meta.type` must be either `problem`, `suggestion` or `layout`.',
},
},
create (context) {
const sourceCode = context.getSourceCode();
const info = utils.getRuleInfo(sourceCode.ast, sourceCode.scopeManager);
// ----------------------------------------------------------------------
// Helpers
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
// Public
// ----------------------------------------------------------------------
return {
Program () {
if (info === null || info.meta === null) {
return;
}
const metaNode = info.meta;
const typeNode =
metaNode &&
metaNode.properties &&
metaNode.properties.find(p => p.type === 'Property' && utils.getKeyName(p) === 'type');
if (typeNode && typeNode.value.type === 'Literal' && !VALID_TYPES.has(typeNode.value.value)) {
context.report({ node: metaNode, messageId: 'unexpected' });
} else if (!typeNode) {
context.report({ node: metaNode, messageId: 'missing' });
}
},
};
},
};
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