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72 lines
No EOL
2.7 KiB
Text
72 lines
No EOL
2.7 KiB
Text
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const utils_1 = require("@typescript-eslint/utils");
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const util_1 = require("../util");
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exports.default = (0, util_1.createRule)({
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name: 'prefer-literal-enum-member',
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meta: {
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type: 'suggestion',
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docs: {
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description: 'Require all enum members to be literal values',
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recommended: 'strict',
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requiresTypeChecking: false,
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},
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messages: {
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notLiteral: `Explicit enum value must only be a literal value (string, number, boolean, etc).`,
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},
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schema: [
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{
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type: 'object',
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properties: {
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allowBitwiseExpressions: {
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type: 'boolean',
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},
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},
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additionalProperties: false,
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},
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],
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},
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defaultOptions: [
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{
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allowBitwiseExpressions: false,
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},
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],
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create(context, [{ allowBitwiseExpressions }]) {
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return {
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TSEnumMember(node) {
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// If there is no initializer, then this node is just the name of the member, so ignore.
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if (node.initializer == null) {
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return;
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}
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// any old literal
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if (node.initializer.type === utils_1.AST_NODE_TYPES.Literal) {
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return;
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}
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// TemplateLiteral without expressions
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if (node.initializer.type === utils_1.AST_NODE_TYPES.TemplateLiteral &&
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node.initializer.expressions.length === 0) {
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return;
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}
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// -1 and +1
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if (node.initializer.type === utils_1.AST_NODE_TYPES.UnaryExpression &&
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node.initializer.argument.type === utils_1.AST_NODE_TYPES.Literal &&
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(['+', '-'].includes(node.initializer.operator) ||
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(allowBitwiseExpressions && node.initializer.operator === '~'))) {
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return;
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}
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if (allowBitwiseExpressions &&
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node.initializer.type === utils_1.AST_NODE_TYPES.BinaryExpression &&
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['|', '&', '^', '<<', '>>', '>>>'].includes(node.initializer.operator) &&
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node.initializer.left.type === utils_1.AST_NODE_TYPES.Literal &&
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node.initializer.right.type === utils_1.AST_NODE_TYPES.Literal) {
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return;
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}
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context.report({
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node: node.id,
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messageId: 'notLiteral',
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});
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},
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};
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},
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});
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//# sourceMappingURL=prefer-literal-enum-member.js.map |