Constnium/node_modules/eslint-plugin-es/lib/rules/no-property-shorthands.js

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2022-06-23 02:27:43 +02:00
/**
* @author Toru Nagashima <https://github.com/mysticatea>
* See LICENSE file in root directory for full license.
*/
"use strict"
const { isOpeningBracketToken, isClosingBracketToken } = require("eslint-utils")
module.exports = {
meta: {
docs: {
description: "disallow property shorthands.",
category: "ES2015",
recommended: false,
url:
"http://mysticatea.github.io/eslint-plugin-es/rules/no-property-shorthands.html",
},
fixable: "code",
messages: {
forbidden: "ES2015 property shorthands are forbidden.",
},
schema: [],
type: "problem",
},
create(context) {
const sourceCode = context.getSourceCode()
/**
* Fixes a FunctionExpression node by making it into a longform property.
* @param {SourceCodeFixer} fixer The fixer object
* @param {ASTNode} node A `Property` node that has a `FunctionExpression` as its value
* @returns {object} A fix for this node
*/
function makeFunctionLongform(fixer, node) {
const firstKeyToken = node.computed
? sourceCode.getTokenBefore(node.key, isOpeningBracketToken)
: sourceCode.getFirstToken(node.key)
const lastKeyToken = node.computed
? sourceCode.getTokenAfter(node.key, isClosingBracketToken)
: sourceCode.getLastToken(node.key)
const keyText = sourceCode.text.slice(
firstKeyToken.range[0],
lastKeyToken.range[1]
)
let functionHeader = "function"
if (node.value.async) {
functionHeader = `async ${functionHeader}`
}
if (node.value.generator) {
functionHeader = `${functionHeader}*`
}
return fixer.replaceTextRange(
[node.range[0], lastKeyToken.range[1]],
`${keyText}: ${functionHeader}`
)
}
return {
"ObjectExpression > :matches(Property[method=true], Property[shorthand=true])"(
node
) {
context.report({
node,
messageId: "forbidden",
fix: node.method
? fixer => makeFunctionLongform(fixer, node)
: fixer =>
fixer.insertTextAfter(
node.key,
`: ${node.key.name}`
),
})
},
}
},
}