naming-convention.js
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"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const experimental_utils_1 = require("@typescript-eslint/experimental-utils");
const scope_manager_1 = require("@typescript-eslint/scope-manager");
const util = __importStar(require("../util"));
const naming_convention_utils_1 = require("./naming-convention-utils");
// This essentially mirrors ESLint's `camelcase` rule
// note that that rule ignores leading and trailing underscores and only checks those in the middle of a variable name
const defaultCamelCaseAllTheThingsConfig = [
{
selector: 'default',
format: ['camelCase'],
leadingUnderscore: 'allow',
trailingUnderscore: 'allow',
},
{
selector: 'variable',
format: ['camelCase', 'UPPER_CASE'],
leadingUnderscore: 'allow',
trailingUnderscore: 'allow',
},
{
selector: 'typeLike',
format: ['PascalCase'],
},
];
exports.default = util.createRule({
name: 'naming-convention',
meta: {
docs: {
category: 'Variables',
description: 'Enforces naming conventions for everything across a codebase',
recommended: false,
// technically only requires type checking if the user uses "type" modifiers
requiresTypeChecking: true,
},
type: 'suggestion',
messages: {
unexpectedUnderscore: '{{type}} name `{{name}}` must not have a {{position}} underscore.',
missingUnderscore: '{{type}} name `{{name}}` must have {{count}} {{position}} underscore(s).',
missingAffix: '{{type}} name `{{name}}` must have one of the following {{position}}es: {{affixes}}',
satisfyCustom: '{{type}} name `{{name}}` must {{regexMatch}} the RegExp: {{regex}}',
doesNotMatchFormat: '{{type}} name `{{name}}` must match one of the following formats: {{formats}}',
doesNotMatchFormatTrimmed: '{{type}} name `{{name}}` trimmed as `{{processedName}}` must match one of the following formats: {{formats}}',
},
schema: naming_convention_utils_1.SCHEMA,
},
defaultOptions: defaultCamelCaseAllTheThingsConfig,
create(contextWithoutDefaults) {
const context = contextWithoutDefaults.options &&
contextWithoutDefaults.options.length > 0
? contextWithoutDefaults
: // only apply the defaults when the user provides no config
Object.setPrototypeOf({
options: defaultCamelCaseAllTheThingsConfig,
}, contextWithoutDefaults);
const validators = naming_convention_utils_1.parseOptions(context);
// getParserServices(context, false) -- dirty hack to work around the docs checker test...
const compilerOptions = util
.getParserServices(context, true)
.program.getCompilerOptions();
function handleMember(validator, node, modifiers) {
if (!validator) {
return;
}
const key = node.key;
if (requiresQuoting(key, compilerOptions.target)) {
modifiers.add(naming_convention_utils_1.Modifiers.requiresQuotes);
}
validator(key, modifiers);
}
function getMemberModifiers(node) {
const modifiers = new Set();
if (node.accessibility) {
modifiers.add(naming_convention_utils_1.Modifiers[node.accessibility]);
}
else {
modifiers.add(naming_convention_utils_1.Modifiers.public);
}
if (node.static) {
modifiers.add(naming_convention_utils_1.Modifiers.static);
}
if ('readonly' in node && node.readonly) {
modifiers.add(naming_convention_utils_1.Modifiers.readonly);
}
if (node.type === experimental_utils_1.AST_NODE_TYPES.TSAbstractClassProperty ||
node.type === experimental_utils_1.AST_NODE_TYPES.TSAbstractMethodDefinition) {
modifiers.add(naming_convention_utils_1.Modifiers.abstract);
}
return modifiers;
}
const unusedVariables = util.collectUnusedVariables(context);
function isUnused(name, initialScope = context.getScope()) {
var _a;
let variable = null;
let scope = initialScope;
while (scope) {
variable = (_a = scope.set.get(name)) !== null && _a !== void 0 ? _a : null;
if (variable) {
break;
}
scope = scope.upper;
}
if (!variable) {
return false;
}
return unusedVariables.has(variable);
}
function isDestructured(id) {
var _a, _b, _c;
return (
// `const { x }`
// does not match `const { x: y }`
(((_a = id.parent) === null || _a === void 0 ? void 0 : _a.type) === experimental_utils_1.AST_NODE_TYPES.Property && id.parent.shorthand) ||
// `const { x = 2 }`
// does not match const `{ x: y = 2 }`
(((_b = id.parent) === null || _b === void 0 ? void 0 : _b.type) === experimental_utils_1.AST_NODE_TYPES.AssignmentPattern &&
((_c = id.parent.parent) === null || _c === void 0 ? void 0 : _c.type) === experimental_utils_1.AST_NODE_TYPES.Property &&
id.parent.parent.shorthand));
}
return {
// #region variable
VariableDeclarator(node) {
const validator = validators.variable;
if (!validator) {
return;
}
const identifiers = getIdentifiersFromPattern(node.id);
const baseModifiers = new Set();
const parent = node.parent;
if ((parent === null || parent === void 0 ? void 0 : parent.type) === experimental_utils_1.AST_NODE_TYPES.VariableDeclaration) {
if (parent.kind === 'const') {
baseModifiers.add(naming_convention_utils_1.Modifiers.const);
}
if (isGlobal(context.getScope())) {
baseModifiers.add(naming_convention_utils_1.Modifiers.global);
}
}
identifiers.forEach(id => {
const modifiers = new Set(baseModifiers);
if (isDestructured(id)) {
modifiers.add(naming_convention_utils_1.Modifiers.destructured);
}
if (isExported(parent, id.name, context.getScope())) {
modifiers.add(naming_convention_utils_1.Modifiers.exported);
}
if (isUnused(id.name)) {
modifiers.add(naming_convention_utils_1.Modifiers.unused);
}
validator(id, modifiers);
});
},
// #endregion
// #region function
'FunctionDeclaration, TSDeclareFunction, FunctionExpression'(node) {
const validator = validators.function;
if (!validator || node.id === null) {
return;
}
const modifiers = new Set();
// functions create their own nested scope
const scope = context.getScope().upper;
if (isGlobal(scope)) {
modifiers.add(naming_convention_utils_1.Modifiers.global);
}
if (isExported(node, node.id.name, scope)) {
modifiers.add(naming_convention_utils_1.Modifiers.exported);
}
if (isUnused(node.id.name, scope)) {
modifiers.add(naming_convention_utils_1.Modifiers.unused);
}
validator(node.id, modifiers);
},
// #endregion function
// #region parameter
'FunctionDeclaration, TSDeclareFunction, TSEmptyBodyFunctionExpression, FunctionExpression, ArrowFunctionExpression'(node) {
const validator = validators.parameter;
if (!validator) {
return;
}
node.params.forEach(param => {
if (param.type === experimental_utils_1.AST_NODE_TYPES.TSParameterProperty) {
return;
}
const identifiers = getIdentifiersFromPattern(param);
identifiers.forEach(i => {
const modifiers = new Set();
if (isDestructured(i)) {
modifiers.add(naming_convention_utils_1.Modifiers.destructured);
}
if (isUnused(i.name)) {
modifiers.add(naming_convention_utils_1.Modifiers.unused);
}
validator(i, modifiers);
});
});
},
// #endregion parameter
// #region parameterProperty
TSParameterProperty(node) {
const validator = validators.parameterProperty;
if (!validator) {
return;
}
const modifiers = getMemberModifiers(node);
const identifiers = getIdentifiersFromPattern(node.parameter);
identifiers.forEach(i => {
validator(i, modifiers);
});
},
// #endregion parameterProperty
// #region property
':not(ObjectPattern) > Property[computed = false][kind = "init"][value.type != "ArrowFunctionExpression"][value.type != "FunctionExpression"][value.type != "TSEmptyBodyFunctionExpression"]'(node) {
const modifiers = new Set([naming_convention_utils_1.Modifiers.public]);
handleMember(validators.objectLiteralProperty, node, modifiers);
},
':matches(ClassProperty, TSAbstractClassProperty)[computed = false][value.type != "ArrowFunctionExpression"][value.type != "FunctionExpression"][value.type != "TSEmptyBodyFunctionExpression"]'(node) {
const modifiers = getMemberModifiers(node);
handleMember(validators.classProperty, node, modifiers);
},
'TSPropertySignature[computed = false]'(node) {
const modifiers = new Set([naming_convention_utils_1.Modifiers.public]);
if (node.readonly) {
modifiers.add(naming_convention_utils_1.Modifiers.readonly);
}
handleMember(validators.typeProperty, node, modifiers);
},
// #endregion property
// #region method
[[
'Property[computed = false][kind = "init"][value.type = "ArrowFunctionExpression"]',
'Property[computed = false][kind = "init"][value.type = "FunctionExpression"]',
'Property[computed = false][kind = "init"][value.type = "TSEmptyBodyFunctionExpression"]',
].join(', ')](node) {
const modifiers = new Set([naming_convention_utils_1.Modifiers.public]);
handleMember(validators.objectLiteralMethod, node, modifiers);
},
[[
':matches(ClassProperty, TSAbstractClassProperty)[computed = false][value.type = "ArrowFunctionExpression"]',
':matches(ClassProperty, TSAbstractClassProperty)[computed = false][value.type = "FunctionExpression"]',
':matches(ClassProperty, TSAbstractClassProperty)[computed = false][value.type = "TSEmptyBodyFunctionExpression"]',
':matches(MethodDefinition, TSAbstractMethodDefinition)[computed = false][kind = "method"]',
].join(', ')](node) {
const modifiers = getMemberModifiers(node);
handleMember(validators.classMethod, node, modifiers);
},
'TSMethodSignature[computed = false]'(node) {
const modifiers = new Set([naming_convention_utils_1.Modifiers.public]);
handleMember(validators.typeMethod, node, modifiers);
},
// #endregion method
// #region accessor
'Property[computed = false]:matches([kind = "get"], [kind = "set"])'(node) {
const modifiers = new Set([naming_convention_utils_1.Modifiers.public]);
handleMember(validators.accessor, node, modifiers);
},
'MethodDefinition[computed = false]:matches([kind = "get"], [kind = "set"])'(node) {
const modifiers = getMemberModifiers(node);
handleMember(validators.accessor, node, modifiers);
},
// #endregion accessor
// #region enumMember
// computed is optional, so can't do [computed = false]
'TSEnumMember[computed != true]'(node) {
const validator = validators.enumMember;
if (!validator) {
return;
}
const id = node.id;
const modifiers = new Set();
if (requiresQuoting(id, compilerOptions.target)) {
modifiers.add(naming_convention_utils_1.Modifiers.requiresQuotes);
}
validator(id, modifiers);
},
// #endregion enumMember
// #region class
'ClassDeclaration, ClassExpression'(node) {
const validator = validators.class;
if (!validator) {
return;
}
const id = node.id;
if (id === null) {
return;
}
const modifiers = new Set();
// classes create their own nested scope
const scope = context.getScope().upper;
if (node.abstract) {
modifiers.add(naming_convention_utils_1.Modifiers.abstract);
}
if (isExported(node, id.name, scope)) {
modifiers.add(naming_convention_utils_1.Modifiers.exported);
}
if (isUnused(id.name, scope)) {
modifiers.add(naming_convention_utils_1.Modifiers.unused);
}
validator(id, modifiers);
},
// #endregion class
// #region interface
TSInterfaceDeclaration(node) {
const validator = validators.interface;
if (!validator) {
return;
}
const modifiers = new Set();
const scope = context.getScope();
if (isExported(node, node.id.name, scope)) {
modifiers.add(naming_convention_utils_1.Modifiers.exported);
}
if (isUnused(node.id.name, scope)) {
modifiers.add(naming_convention_utils_1.Modifiers.unused);
}
validator(node.id, modifiers);
},
// #endregion interface
// #region typeAlias
TSTypeAliasDeclaration(node) {
const validator = validators.typeAlias;
if (!validator) {
return;
}
const modifiers = new Set();
const scope = context.getScope();
if (isExported(node, node.id.name, scope)) {
modifiers.add(naming_convention_utils_1.Modifiers.exported);
}
if (isUnused(node.id.name, scope)) {
modifiers.add(naming_convention_utils_1.Modifiers.unused);
}
validator(node.id, modifiers);
},
// #endregion typeAlias
// #region enum
TSEnumDeclaration(node) {
const validator = validators.enum;
if (!validator) {
return;
}
const modifiers = new Set();
// enums create their own nested scope
const scope = context.getScope().upper;
if (isExported(node, node.id.name, scope)) {
modifiers.add(naming_convention_utils_1.Modifiers.exported);
}
if (isUnused(node.id.name, scope)) {
modifiers.add(naming_convention_utils_1.Modifiers.unused);
}
validator(node.id, modifiers);
},
// #endregion enum
// #region typeParameter
'TSTypeParameterDeclaration > TSTypeParameter'(node) {
const validator = validators.typeParameter;
if (!validator) {
return;
}
const modifiers = new Set();
const scope = context.getScope();
if (isUnused(node.name.name, scope)) {
modifiers.add(naming_convention_utils_1.Modifiers.unused);
}
validator(node.name, modifiers);
},
};
},
});
function getIdentifiersFromPattern(pattern) {
const identifiers = [];
const visitor = new scope_manager_1.PatternVisitor({}, pattern, id => identifiers.push(id));
visitor.visit(pattern);
return identifiers;
}
function isExported(node, name, scope) {
var _a, _b;
if (((_a = node === null || node === void 0 ? void 0 : node.parent) === null || _a === void 0 ? void 0 : _a.type) === experimental_utils_1.AST_NODE_TYPES.ExportDefaultDeclaration ||
((_b = node === null || node === void 0 ? void 0 : node.parent) === null || _b === void 0 ? void 0 : _b.type) === experimental_utils_1.AST_NODE_TYPES.ExportNamedDeclaration) {
return true;
}
if (scope == null) {
return false;
}
const variable = scope.set.get(name);
if (variable) {
for (const ref of variable.references) {
const refParent = ref.identifier.parent;
if ((refParent === null || refParent === void 0 ? void 0 : refParent.type) === experimental_utils_1.AST_NODE_TYPES.ExportDefaultDeclaration ||
(refParent === null || refParent === void 0 ? void 0 : refParent.type) === experimental_utils_1.AST_NODE_TYPES.ExportSpecifier) {
return true;
}
}
}
return false;
}
function isGlobal(scope) {
if (scope == null) {
return false;
}
return (scope.type === experimental_utils_1.TSESLint.Scope.ScopeType.global ||
scope.type === experimental_utils_1.TSESLint.Scope.ScopeType.module);
}
function requiresQuoting(node, target) {
const name = node.type === experimental_utils_1.AST_NODE_TYPES.Identifier ? node.name : `${node.value}`;
return util.requiresQuoting(name, target);
}
//# sourceMappingURL=naming-convention.js.map