24 lines
728 B
JavaScript
24 lines
728 B
JavaScript
import { createMethodShim } from "./shared.js";
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/*
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Note:
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1. `acorn` contains `RegExpValidationState` class with `.at` method (2 arguments)
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2. `postcss` contains `Container` class with `.at` method
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*/
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function stringOrArrayAt(index) {
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return this[index < 0 ? this.length + index : index];
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}
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const at = /* @__PURE__ */ createMethodShim("at", function () {
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// "relative indexing" is not available in Node.js v14
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// `.at` method is slower than property access on Node.js v16 and v18, see #14396
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// Only checked arrays and strings, since we haven't use `TypedArray`, and the transform only works for sources
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if (Array.isArray(this) || typeof this === "string") {
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return stringOrArrayAt;
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}
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});
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export default at;
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