27 lines
853 B
JavaScript
27 lines
853 B
JavaScript
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const require_isBlob = require("./isBlob.js");
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//#region src/predicate/isFile.ts
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/**
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* Checks if the given value is a File.
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*
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* This function tests whether the provided value is an instance of `File`.
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* It returns `true` if the value is an instance of `File`, and `false` otherwise.
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*
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* @param {unknown} x - The value to test if it is a File.
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* @returns {x is File} True if the value is a File, false otherwise.
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*
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* @example
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* const value1 = new File(["content"], "example.txt");
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* const value2 = {};
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* const value3 = new Blob(["content"], { type: "text/plain" });
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*
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* console.log(isFile(value1)); // true
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* console.log(isFile(value2)); // false
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* console.log(isFile(value3)); // false
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*/
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function isFile(x) {
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if (typeof File === "undefined") return false;
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return require_isBlob.isBlob(x) && x instanceof File;
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}
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//#endregion
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exports.isFile = isFile;
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