65 lines
2.4 KiB
Plaintext
65 lines
2.4 KiB
Plaintext
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"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: 'no-this-alias',
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meta: {
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type: 'suggestion',
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docs: {
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description: 'Disallow aliasing `this`',
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recommended: 'recommended',
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},
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schema: [
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{
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type: 'object',
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additionalProperties: false,
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properties: {
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allowDestructuring: {
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description: 'Whether to ignore destructurings, such as `const { props, state } = this`.',
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type: 'boolean',
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},
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allowedNames: {
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description: 'Names to ignore, such as ["self"] for `const self = this;`.',
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type: 'array',
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items: {
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type: 'string',
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},
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},
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},
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},
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],
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messages: {
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thisAssignment: "Unexpected aliasing of 'this' to local variable.",
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thisDestructure: "Unexpected aliasing of members of 'this' to local variables.",
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},
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},
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defaultOptions: [
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{
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allowDestructuring: true,
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allowedNames: [],
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},
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],
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create(context, [{ allowDestructuring, allowedNames }]) {
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return {
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"VariableDeclarator[init.type='ThisExpression'], AssignmentExpression[right.type='ThisExpression']"(node) {
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const id = node.type === utils_1.AST_NODE_TYPES.VariableDeclarator ? node.id : node.left;
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if (allowDestructuring && id.type !== utils_1.AST_NODE_TYPES.Identifier) {
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return;
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}
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const hasAllowedName = id.type === utils_1.AST_NODE_TYPES.Identifier
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? allowedNames.includes(id.name)
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: false;
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if (!hasAllowedName) {
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context.report({
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node: id,
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messageId: id.type === utils_1.AST_NODE_TYPES.Identifier
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? 'thisAssignment'
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: 'thisDestructure',
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});
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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=no-this-alias.js.map
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