prefer-enum-initializers.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 util = __importStar(require("../util"));
exports.default = util.createRule({
name: 'prefer-enum-initializers',
meta: {
type: 'suggestion',
docs: {
description: 'Prefer initializing each enums member value',
category: 'Best Practices',
recommended: false,
suggestion: true,
},
messages: {
defineInitializer: "The value of the member '{{ name }}' should be explicitly defined",
defineInitializerSuggestion: 'Can be fixed to {{ name }} = {{ suggested }}',
},
schema: [],
},
defaultOptions: [],
create(context) {
const sourceCode = context.getSourceCode();
function TSEnumDeclaration(node) {
const { members } = node;
members.forEach((member, index) => {
if (member.initializer == null) {
const name = sourceCode.getText(member);
context.report({
node: member,
messageId: 'defineInitializer',
data: {
name,
},
suggest: [
{
messageId: 'defineInitializerSuggestion',
data: { name, suggested: index },
fix: (fixer) => {
return fixer.replaceText(member, `${name} = ${index}`);
},
},
{
messageId: 'defineInitializerSuggestion',
data: { name, suggested: index + 1 },
fix: (fixer) => {
return fixer.replaceText(member, `${name} = ${index + 1}`);
},
},
{
messageId: 'defineInitializerSuggestion',
data: { name, suggested: `'${name}'` },
fix: (fixer) => {
return fixer.replaceText(member, `${name} = '${name}'`);
},
},
],
});
}
});
}
return {
TSEnumDeclaration,
};
},
});
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