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39
resources/app/node_modules/@smithy/util-base64/dist-cjs/toBase64.browser.js
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39
resources/app/node_modules/@smithy/util-base64/dist-cjs/toBase64.browser.js
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.toBase64 = void 0;
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const util_utf8_1 = require("@smithy/util-utf8");
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const constants_browser_1 = require("./constants.browser");
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function toBase64(_input) {
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let input;
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if (typeof _input === "string") {
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input = (0, util_utf8_1.fromUtf8)(_input);
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}
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else {
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input = _input;
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}
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const isArrayLike = typeof input === "object" && typeof input.length === "number";
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const isUint8Array = typeof input === "object" &&
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typeof input.byteOffset === "number" &&
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typeof input.byteLength === "number";
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if (!isArrayLike && !isUint8Array) {
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throw new Error("@smithy/util-base64: toBase64 encoder function only accepts string | Uint8Array.");
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}
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let str = "";
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for (let i = 0; i < input.length; i += 3) {
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let bits = 0;
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let bitLength = 0;
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for (let j = i, limit = Math.min(i + 3, input.length); j < limit; j++) {
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bits |= input[j] << ((limit - j - 1) * constants_browser_1.bitsPerByte);
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bitLength += constants_browser_1.bitsPerByte;
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}
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const bitClusterCount = Math.ceil(bitLength / constants_browser_1.bitsPerLetter);
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bits <<= bitClusterCount * constants_browser_1.bitsPerLetter - bitLength;
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for (let k = 1; k <= bitClusterCount; k++) {
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const offset = (bitClusterCount - k) * constants_browser_1.bitsPerLetter;
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str += constants_browser_1.alphabetByValue[(bits & (constants_browser_1.maxLetterValue << offset)) >> offset];
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}
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str += "==".slice(0, 4 - bitClusterCount);
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}
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return str;
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}
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exports.toBase64 = toBase64;
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