forked from daren.hsu/line_push
41 lines
1.3 KiB
JavaScript
41 lines
1.3 KiB
JavaScript
"use strict";
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/**
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* this module handles the difference between window (browser) and node js for specific functions and libraries.
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* env.js
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.getEnvBtoa = function () {
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if (typeof window !== 'undefined')
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return window.btoa; // browser
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else
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return nodeBtoa; // node
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};
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exports.getEnvAtob = function () {
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if (typeof window !== 'undefined')
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return window.atob; // browser
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else
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return nodeAtob; // node
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};
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var nodeBtoa = function (str) {
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if (typeof Buffer === 'undefined')
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throw new Error('UnsupportedEnvironment');
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var buffer;
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var type = Object.prototype.toString.call(str).slice(8, -1);
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var typedArrays = ['ArrayBuffer', 'TypedArray', 'Uint8Array', 'Int8Array', 'Uint8ClampedArray', 'Int16Array', 'Uint16Array', 'Int32Array', 'Uint32Array', 'Float32Array', 'Float64Array'];
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if (Buffer.isBuffer(str)) {
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buffer = str;
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}
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else if (typedArrays.indexOf(type) >= 0) {
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buffer = Buffer.from(str);
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}
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else {
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buffer = Buffer.from(str.toString(), 'binary');
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}
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return buffer.toString('base64');
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};
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var nodeAtob = function (str) {
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if (typeof Buffer === 'undefined')
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throw new Error('UnsupportedEnvironment');
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return Buffer.from(str, 'base64').toString('binary');
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};
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