blob: 0c2b7dac28166bab0feb5c0b248daab7d18fee80 [file] [log] [blame]
'use strict';
var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);
var _has = require('has');var _has2 = _interopRequireDefault(_has);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };} /**
* @fileoverview Rule to disallow anonymous default exports.
* @author Duncan Beevers
*/const defs = { ArrayExpression: {
option: 'allowArray',
description: 'If `false`, will report default export of an array',
message: 'Assign array to a variable before exporting as module default' },
ArrowFunctionExpression: {
option: 'allowArrowFunction',
description: 'If `false`, will report default export of an arrow function',
message: 'Assign arrow function to a variable before exporting as module default' },
CallExpression: {
option: 'allowCallExpression',
description: 'If `false`, will report default export of a function call',
message: 'Assign call result to a variable before exporting as module default',
default: true },
ClassDeclaration: {
option: 'allowAnonymousClass',
description: 'If `false`, will report default export of an anonymous class',
message: 'Unexpected default export of anonymous class',
forbid: node => !node.declaration.id },
FunctionDeclaration: {
option: 'allowAnonymousFunction',
description: 'If `false`, will report default export of an anonymous function',
message: 'Unexpected default export of anonymous function',
forbid: node => !node.declaration.id },
Literal: {
option: 'allowLiteral',
description: 'If `false`, will report default export of a literal',
message: 'Assign literal to a variable before exporting as module default' },
ObjectExpression: {
option: 'allowObject',
description: 'If `false`, will report default export of an object expression',
message: 'Assign object to a variable before exporting as module default' },
TemplateLiteral: {
option: 'allowLiteral',
description: 'If `false`, will report default export of a literal',
message: 'Assign literal to a variable before exporting as module default' } };
const schemaProperties = Object.keys(defs).
map(key => defs[key]).
reduce((acc, def) => {
acc[def.option] = {
description: def.description,
type: 'boolean' };
return acc;
}, {});
const defaults = Object.keys(defs).
map(key => defs[key]).
reduce((acc, def) => {
acc[def.option] = (0, _has2.default)(def, 'default') ? def.default : false;
return acc;
}, {});
module.exports = {
meta: {
type: 'suggestion',
docs: {
url: (0, _docsUrl2.default)('no-anonymous-default-export') },
schema: [
{
type: 'object',
properties: schemaProperties,
'additionalProperties': false }] },
create: function (context) {
const options = Object.assign({}, defaults, context.options[0]);
return {
'ExportDefaultDeclaration': node => {
const def = defs[node.declaration.type];
// Recognized node type and allowed by configuration,
// and has no forbid check, or forbid check return value is truthy
if (def && !options[def.option] && (!def.forbid || def.forbid(node))) {
context.report({ node, message: def.message });
}
} };
} };
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