36 lines
1.7 KiB
Plaintext
36 lines
1.7 KiB
Plaintext
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.FunctionScope = void 0;
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const types_1 = require("@typescript-eslint/types");
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const ScopeBase_1 = require("./ScopeBase");
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const ScopeType_1 = require("./ScopeType");
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class FunctionScope extends ScopeBase_1.ScopeBase {
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constructor(scopeManager, upperScope, block, isMethodDefinition) {
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super(scopeManager, ScopeType_1.ScopeType.function, upperScope, block, isMethodDefinition);
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// section 9.2.13, FunctionDeclarationInstantiation.
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// NOTE Arrow functions never have an arguments objects.
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if (this.block.type !== types_1.AST_NODE_TYPES.ArrowFunctionExpression) {
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this.defineVariable('arguments', this.set, this.variables, null, null);
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}
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}
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// References in default parameters isn't resolved to variables which are in their function body.
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// const x = 1
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// function f(a = x) { // This `x` is resolved to the `x` in the outer scope.
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// const x = 2
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// console.log(a)
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// }
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isValidResolution(ref, variable) {
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// If `options.globalReturn` is true, `this.block` becomes a Program node.
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if (this.block.type === types_1.AST_NODE_TYPES.Program) {
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return true;
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}
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const bodyStart = this.block.body?.range[0] ?? -1;
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// It's invalid resolution in the following case:
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return !((variable.scope === this &&
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ref.identifier.range[0] < bodyStart && // the reference is in the parameter part.
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variable.defs.every(d => d.name.range[0] >= bodyStart)) // the variable is in the body.
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);
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}
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}
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exports.FunctionScope = FunctionScope;
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//# sourceMappingURL=FunctionScope.js.map
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