68 lines
2.5 KiB
Plaintext
68 lines
2.5 KiB
Plaintext
"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: 'default-param-last',
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meta: {
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type: 'suggestion',
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docs: {
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description: 'Enforce default parameters to be last',
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extendsBaseRule: true,
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},
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schema: [],
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messages: {
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shouldBeLast: 'Default parameters should be last.',
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},
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},
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defaultOptions: [],
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create(context) {
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/**
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* checks if node is optional parameter
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* @param node the node to be evaluated
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* @private
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*/
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function isOptionalParam(node) {
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return ((node.type === utils_1.AST_NODE_TYPES.ArrayPattern ||
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node.type === utils_1.AST_NODE_TYPES.AssignmentPattern ||
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node.type === utils_1.AST_NODE_TYPES.Identifier ||
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node.type === utils_1.AST_NODE_TYPES.ObjectPattern ||
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node.type === utils_1.AST_NODE_TYPES.RestElement) &&
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node.optional);
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}
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/**
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* checks if node is plain parameter
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* @param node the node to be evaluated
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* @private
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*/
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function isPlainParam(node) {
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return !(node.type === utils_1.AST_NODE_TYPES.AssignmentPattern ||
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node.type === utils_1.AST_NODE_TYPES.RestElement ||
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isOptionalParam(node));
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}
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function checkDefaultParamLast(node) {
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let hasSeenPlainParam = false;
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for (let i = node.params.length - 1; i >= 0; i--) {
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const current = node.params[i];
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const param = current.type === utils_1.AST_NODE_TYPES.TSParameterProperty
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? current.parameter
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: current;
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if (isPlainParam(param)) {
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hasSeenPlainParam = true;
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continue;
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}
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if (hasSeenPlainParam &&
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(isOptionalParam(param) ||
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param.type === utils_1.AST_NODE_TYPES.AssignmentPattern)) {
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context.report({ node: current, messageId: 'shouldBeLast' });
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}
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}
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}
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return {
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ArrowFunctionExpression: checkDefaultParamLast,
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FunctionDeclaration: checkDefaultParamLast,
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FunctionExpression: checkDefaultParamLast,
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};
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},
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});
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//# sourceMappingURL=default-param-last.js.map |