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prefer-replace-text.js
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prefer-replace-text.js
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/**
* @fileoverview prefer using `replaceText()` instead of `replaceTextRange()`
* @author 薛定谔的猫<hh_2013@foxmail.com>
*/
'use strict';
const utils = require('../utils');
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
module.exports = {
meta: {
type: 'suggestion',
docs: {
description: 'require using `replaceText()` instead of `replaceTextRange()`',
category: 'Rules',
recommended: false,
},
fixable: null,
schema: [],
messages: {
useReplaceText: 'Use replaceText instead of replaceTextRange.',
},
},
create (context) {
const sourceCode = context.getSourceCode();
let funcInfo = {
upper: null,
codePath: null,
shouldCheck: false,
node: null,
};
let contextIdentifiers;
return {
Program (node) {
contextIdentifiers = utils.getContextIdentifiers(context, node);
},
// Stacks this function's information.
onCodePathStart (codePath, node) {
const parent = node.parent;
const shouldCheck = (node.type === 'FunctionExpression' || node.type === 'ArrowFunctionExpression') &&
parent.parent.type === 'ObjectExpression' &&
parent.parent.parent.type === 'CallExpression' &&
contextIdentifiers.has(parent.parent.parent.callee.object) &&
parent.parent.parent.callee.property.name === 'report' &&
utils.getReportInfo(parent.parent.parent.arguments, context).fix === node;
funcInfo = {
upper: funcInfo,
codePath,
shouldCheck,
node,
};
},
// Pops this function's information.
onCodePathEnd () {
funcInfo = funcInfo.upper;
},
// Checks the replaceTextRange arguments.
'CallExpression[arguments.length=2]' (node) {
if (funcInfo.shouldCheck &&
node.callee.type === 'MemberExpression' &&
node.callee.property.name === 'replaceTextRange') {
const arg = node.arguments[0];
const isIdenticalNodeRange = arg.type === 'ArrayExpression' &&
arg.elements[0].type === 'MemberExpression' && arg.elements[1].type === 'MemberExpression' &&
sourceCode.getText(arg.elements[0].object) === sourceCode.getText(arg.elements[1].object);
if (isIdenticalNodeRange) {
context.report({
node,
messageId: 'useReplaceText',
});
}
}
},
};
},
};