57 lines
1.4 KiB
JavaScript
57 lines
1.4 KiB
JavaScript
|
'use strict';
|
||
|
|
const {methodCallSelector} = require('./selectors/index.js');
|
||
|
|
|
||
|
|
const messages = {
|
||
|
|
'error/charCodeAt': 'Prefer `String#codePointAt()` over `String#charCodeAt()`.',
|
||
|
|
'error/fromCharCode': 'Prefer `String.fromCodePoint()` over `String.fromCharCode()`.',
|
||
|
|
'suggestion/charCodeAt': 'Use `String#codePointAt()`.',
|
||
|
|
'suggestion/fromCharCode': 'Use `String.fromCodePoint()`.',
|
||
|
|
};
|
||
|
|
|
||
|
|
const cases = [
|
||
|
|
{
|
||
|
|
selector: methodCallSelector('charCodeAt'),
|
||
|
|
replacement: 'codePointAt',
|
||
|
|
},
|
||
|
|
{
|
||
|
|
selector: methodCallSelector({object: 'String', method: 'fromCharCode'}),
|
||
|
|
replacement: 'fromCodePoint',
|
||
|
|
},
|
||
|
|
];
|
||
|
|
|
||
|
|
/** @param {import('eslint').Rule.RuleContext} context */
|
||
|
|
const create = () => Object.fromEntries(
|
||
|
|
cases.map(({selector, replacement}) => [
|
||
|
|
selector,
|
||
|
|
node => {
|
||
|
|
const method = node.callee.property;
|
||
|
|
const methodName = method.name;
|
||
|
|
const fix = fixer => fixer.replaceText(method, replacement);
|
||
|
|
|
||
|
|
return {
|
||
|
|
node: method,
|
||
|
|
messageId: `error/${methodName}`,
|
||
|
|
suggest: [
|
||
|
|
{
|
||
|
|
messageId: `suggestion/${methodName}`,
|
||
|
|
fix,
|
||
|
|
},
|
||
|
|
],
|
||
|
|
};
|
||
|
|
},
|
||
|
|
]),
|
||
|
|
);
|
||
|
|
|
||
|
|
/** @type {import('eslint').Rule.RuleModule} */
|
||
|
|
module.exports = {
|
||
|
|
create,
|
||
|
|
meta: {
|
||
|
|
type: 'suggestion',
|
||
|
|
docs: {
|
||
|
|
description: 'Prefer `String#codePointAt(…)` over `String#charCodeAt(…)` and `String.fromCodePoint(…)` over `String.fromCharCode(…)`.',
|
||
|
|
},
|
||
|
|
hasSuggestions: true,
|
||
|
|
messages,
|
||
|
|
},
|
||
|
|
};
|