113 lines
3.4 KiB
JavaScript
113 lines
3.4 KiB
JavaScript
/**
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* @author Yosuke Ota <https://github.com/ota-meshi>
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* See LICENSE file in root directory for full license.
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*/
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"use strict"
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const {
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getFunctionNameWithKind,
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getPropertyName,
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} = require("@eslint-community/eslint-utils")
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const { getSourceCode } = require("eslint-compat-utils")
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/**
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* Get the name and kind of the given PropertyDefinition node.
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* @param {PropertyDefinition} node - The PropertyDefinition node to get.
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* @param {SourceCode} sourceCode The source code object to get the code of computed property keys.
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* @returns {string} The name and kind of the PropertyDefinition node.
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*/
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function getFieldNameWithKind(node, sourceCode) {
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const tokens = []
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if (node.static) {
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tokens.push("static")
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}
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if (node.key.type === "PrivateIdentifier") {
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tokens.push("private")
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}
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tokens.push("field")
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if (node.key.type === "PrivateIdentifier") {
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tokens.push(`#${node.key.name}`)
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} else {
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const name = getPropertyName(node)
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if (name) {
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tokens.push(`'${name}'`)
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} else if (sourceCode) {
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const keyText = sourceCode.getText(node.key)
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if (!keyText.includes("\n")) {
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tokens.push(`[${keyText}]`)
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}
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}
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}
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return tokens.join(" ")
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}
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module.exports = {
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meta: {
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docs: {
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description: "disallow class fields.",
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category: "ES2022",
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recommended: false,
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url: "http://eslint-community.github.io/eslint-plugin-es-x/rules/no-class-fields.html",
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},
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fixable: null,
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messages: {
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forbidden: "ES2022 {{nameWithKind}} is forbidden.",
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},
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schema: [],
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type: "problem",
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},
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create(context) {
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return {
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PropertyDefinition(node) {
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if (node.declare || node.parent.parent.declare) {
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return
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}
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context.report({
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node: node.key,
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messageId: "forbidden",
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data: {
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nameWithKind: getFieldNameWithKind(
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node,
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getSourceCode(context),
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),
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},
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})
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},
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"MethodDefinition:exit"(node) {
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if (node.key.type !== "PrivateIdentifier") {
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return
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}
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context.report({
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node: node.key,
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messageId: "forbidden",
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data: {
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nameWithKind: getFunctionNameWithKind(
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node.value,
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getSourceCode(context),
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),
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},
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})
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},
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":not(PropertyDefinition, MethodDefinition) > PrivateIdentifier"(
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node,
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) {
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const parent = node.parent
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context.report({
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node,
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messageId: "forbidden",
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data: {
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nameWithKind:
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parent.parent.type === "CallExpression" &&
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parent.parent.callee === parent
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? `private method call #${node.name}()`
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: `private access #${node.name}`,
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},
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})
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},
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}
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},
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}
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