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/**
* @fileoverview Disallows usage of deprecated methods on rule context objects
* @author Teddy Katz
*/
'use strict';
const utils = require('../utils');
const DEPRECATED_PASSTHROUGHS = {
getSource: 'getText',
getSourceLines: 'getLines',
getAllComments: 'getAllComments',
getNodeByRangeIndex: 'getNodeByRangeIndex',
getComments: 'getComments',
getCommentsBefore: 'getCommentsBefore',
getCommentsAfter: 'getCommentsAfter',
getCommentsInside: 'getCommentsInside',
getJSDocComment: 'getJSDocComment',
getFirstToken: 'getFirstToken',
getFirstTokens: 'getFirstTokens',
getLastToken: 'getLastToken',
getLastTokens: 'getLastTokens',
getTokenAfter: 'getTokenAfter',
getTokenBefore: 'getTokenBefore',
getTokenByRangeStart: 'getTokenByRangeStart',
getTokens: 'getTokens',
getTokensAfter: 'getTokensAfter',
getTokensBefore: 'getTokensBefore',
getTokensBetween: 'getTokensBetween',
};
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
module.exports = {
meta: {
docs: {
description: 'disallow usage of deprecated methods on rule context objects',
category: 'Rules',
recommended: false,
},
type: 'suggestion',
fixable: 'code',
schema: [],
},
create (context) {
const sourceCode = context.getSourceCode();
// ----------------------------------------------------------------------
// Public
// ----------------------------------------------------------------------
return {
'Program:exit' () {
Array.from(utils.getContextIdentifiers(context, sourceCode.ast))
.filter(
contextId =>
contextId.parent.type === 'MemberExpression' &&
contextId === contextId.parent.object &&
contextId.parent.property.type === 'Identifier' &&
Object.prototype.hasOwnProperty.call(DEPRECATED_PASSTHROUGHS, contextId.parent.property.name)
).forEach(
contextId =>
context.report({
node: contextId.parent,
message: 'Use `{{contextName}}.getSourceCode().{{replacement}}` instead of `{{contextName}}.{{original}}`.',
data: {
contextName: contextId.name,
original: contextId.parent.property.name,
replacement: DEPRECATED_PASSTHROUGHS[contextId.parent.property.name],
},
fix: fixer => [
fixer.insertTextAfter(contextId, '.getSourceCode()'),
fixer.replaceText(contextId.parent.property, DEPRECATED_PASSTHROUGHS[contextId.parent.property.name]),
],
})
);
},
};
},
};
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