Constnium/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.cjs
2022-06-23 02:27:43 +02:00

382 lines
6.9 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
/**
* @typedef {import('./index.js').VisitorKeys} VisitorKeys
*/
/**
* @type {VisitorKeys}
*/
const KEYS = {
AssignmentExpression: [
"left",
"right"
],
AssignmentPattern: [
"left",
"right"
],
ArrayExpression: [
"elements"
],
ArrayPattern: [
"elements"
],
ArrowFunctionExpression: [
"params",
"body"
],
AwaitExpression: [
"argument"
],
BlockStatement: [
"body"
],
BinaryExpression: [
"left",
"right"
],
BreakStatement: [
"label"
],
CallExpression: [
"callee",
"arguments"
],
CatchClause: [
"param",
"body"
],
ChainExpression: [
"expression"
],
ClassBody: [
"body"
],
ClassDeclaration: [
"id",
"superClass",
"body"
],
ClassExpression: [
"id",
"superClass",
"body"
],
ConditionalExpression: [
"test",
"consequent",
"alternate"
],
ContinueStatement: [
"label"
],
DebuggerStatement: [],
DoWhileStatement: [
"body",
"test"
],
EmptyStatement: [],
ExportAllDeclaration: [
"exported",
"source"
],
ExportDefaultDeclaration: [
"declaration"
],
ExportNamedDeclaration: [
"declaration",
"specifiers",
"source"
],
ExportSpecifier: [
"exported",
"local"
],
ExpressionStatement: [
"expression"
],
ExperimentalRestProperty: [
"argument"
],
ExperimentalSpreadProperty: [
"argument"
],
ForStatement: [
"init",
"test",
"update",
"body"
],
ForInStatement: [
"left",
"right",
"body"
],
ForOfStatement: [
"left",
"right",
"body"
],
FunctionDeclaration: [
"id",
"params",
"body"
],
FunctionExpression: [
"id",
"params",
"body"
],
Identifier: [],
IfStatement: [
"test",
"consequent",
"alternate"
],
ImportDeclaration: [
"specifiers",
"source"
],
ImportDefaultSpecifier: [
"local"
],
ImportExpression: [
"source"
],
ImportNamespaceSpecifier: [
"local"
],
ImportSpecifier: [
"imported",
"local"
],
JSXAttribute: [
"name",
"value"
],
JSXClosingElement: [
"name"
],
JSXElement: [
"openingElement",
"children",
"closingElement"
],
JSXEmptyExpression: [],
JSXExpressionContainer: [
"expression"
],
JSXIdentifier: [],
JSXMemberExpression: [
"object",
"property"
],
JSXNamespacedName: [
"namespace",
"name"
],
JSXOpeningElement: [
"name",
"attributes"
],
JSXSpreadAttribute: [
"argument"
],
JSXText: [],
JSXFragment: [
"openingFragment",
"children",
"closingFragment"
],
JSXClosingFragment: [],
JSXOpeningFragment: [],
Literal: [],
LabeledStatement: [
"label",
"body"
],
LogicalExpression: [
"left",
"right"
],
MemberExpression: [
"object",
"property"
],
MetaProperty: [
"meta",
"property"
],
MethodDefinition: [
"key",
"value"
],
NewExpression: [
"callee",
"arguments"
],
ObjectExpression: [
"properties"
],
ObjectPattern: [
"properties"
],
PrivateIdentifier: [],
Program: [
"body"
],
Property: [
"key",
"value"
],
PropertyDefinition: [
"key",
"value"
],
RestElement: [
"argument"
],
ReturnStatement: [
"argument"
],
SequenceExpression: [
"expressions"
],
SpreadElement: [
"argument"
],
StaticBlock: [
"body"
],
Super: [],
SwitchStatement: [
"discriminant",
"cases"
],
SwitchCase: [
"test",
"consequent"
],
TaggedTemplateExpression: [
"tag",
"quasi"
],
TemplateElement: [],
TemplateLiteral: [
"quasis",
"expressions"
],
ThisExpression: [],
ThrowStatement: [
"argument"
],
TryStatement: [
"block",
"handler",
"finalizer"
],
UnaryExpression: [
"argument"
],
UpdateExpression: [
"argument"
],
VariableDeclaration: [
"declarations"
],
VariableDeclarator: [
"id",
"init"
],
WhileStatement: [
"test",
"body"
],
WithStatement: [
"object",
"body"
],
YieldExpression: [
"argument"
]
};
// Types.
const NODE_TYPES = Object.keys(KEYS);
// Freeze the keys.
for (const type of NODE_TYPES) {
Object.freeze(KEYS[type]);
}
Object.freeze(KEYS);
/**
* @author Toru Nagashima <https://github.com/mysticatea>
* See LICENSE file in root directory for full license.
*/
/**
* @typedef {{ readonly [type: string]: ReadonlyArray<string> }} VisitorKeys
*/
// List to ignore keys.
const KEY_BLACKLIST = new Set([
"parent",
"leadingComments",
"trailingComments"
]);
/**
* Check whether a given key should be used or not.
* @param {string} key The key to check.
* @returns {boolean} `true` if the key should be used.
*/
function filterKey(key) {
return !KEY_BLACKLIST.has(key) && key[0] !== "_";
}
/**
* Get visitor keys of a given node.
* @param {object} node The AST node to get keys.
* @returns {readonly string[]} Visitor keys of the node.
*/
function getKeys(node) {
return Object.keys(node).filter(filterKey);
}
// Disable valid-jsdoc rule because it reports syntax error on the type of @returns.
// eslint-disable-next-line valid-jsdoc
/**
* Make the union set with `KEYS` and given keys.
* @param {VisitorKeys} additionalKeys The additional keys.
* @returns {VisitorKeys} The union set.
*/
function unionWith(additionalKeys) {
const retv = /** @type {{
[type: string]: ReadonlyArray<string>
}} */ (Object.assign({}, KEYS));
for (const type of Object.keys(additionalKeys)) {
if (Object.prototype.hasOwnProperty.call(retv, type)) {
const keys = new Set(additionalKeys[type]);
for (const key of retv[type]) {
keys.add(key);
}
retv[type] = Object.freeze(Array.from(keys));
} else {
retv[type] = Object.freeze(Array.from(additionalKeys[type]));
}
}
return Object.freeze(retv);
}
exports.KEYS = KEYS;
exports.getKeys = getKeys;
exports.unionWith = unionWith;
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