no-parameter-properties.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 util = __importStar(require("../util"));
exports.default = util.createRule({
name: 'no-parameter-properties',
meta: {
type: 'problem',
docs: {
description: 'Disallow the use of parameter properties in class constructors',
category: 'Stylistic Issues',
// too opinionated to be recommended
recommended: false,
},
messages: {
noParamProp: 'Property {{parameter}} cannot be declared in the constructor.',
},
schema: [
{
type: 'object',
properties: {
allows: {
type: 'array',
items: {
enum: [
'readonly',
'private',
'protected',
'public',
'private readonly',
'protected readonly',
'public readonly',
],
},
minItems: 1,
},
},
additionalProperties: false,
},
],
},
defaultOptions: [
{
allows: [],
},
],
create(context, [{ allows }]) {
/**
* Gets the modifiers of `node`.
* @param node the node to be inspected.
*/
function getModifiers(node) {
const modifiers = [];
if (node.accessibility) {
modifiers.push(node.accessibility);
}
if (node.readonly) {
modifiers.push('readonly');
}
return modifiers.filter(Boolean).join(' ');
}
return {
TSParameterProperty(node) {
const modifiers = getModifiers(node);
if (!allows.includes(modifiers)) {
// HAS to be an identifier or assignment or TSC will throw
if (node.parameter.type !== experimental_utils_1.AST_NODE_TYPES.Identifier &&
node.parameter.type !== experimental_utils_1.AST_NODE_TYPES.AssignmentPattern) {
return;
}
const name = node.parameter.type === experimental_utils_1.AST_NODE_TYPES.Identifier
? node.parameter.name
: // has to be an Identifier or TSC will throw an error
node.parameter.left.name;
context.report({
node,
messageId: 'noParamProp',
data: {
parameter: name,
},
});
}
},
};
},
});
//# sourceMappingURL=no-parameter-properties.js.map