From 50ee7232f3c98fe24a1f2e31dba9508cfec14887 Mon Sep 17 00:00:00 2001
From: gjj <Ganjj@probim.com.cn>
Date: Fri, 21 Feb 2025 17:35:39 +0800
Subject: [PATCH] 模型预览
---
public/base64.js | 316 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 316 insertions(+), 0 deletions(-)
diff --git a/public/base64.js b/public/base64.js
new file mode 100644
index 0000000..c44a6c8
--- /dev/null
+++ b/public/base64.js
@@ -0,0 +1,316 @@
+//
+// THIS FILE IS AUTOMATICALLY GENERATED! DO NOT EDIT BY HAND!
+//
+;
+(function (global, factory) {
+ typeof exports === 'object' && typeof module !== 'undefined'
+ ? module.exports = factory()
+ : typeof define === 'function' && define.amd
+ ? define(factory) :
+ // cf. https://github.com/dankogai/js-base64/issues/119
+ (function () {
+ // existing version for noConflict()
+ var _Base64 = global.Base64;
+ var gBase64 = factory();
+ gBase64.noConflict = function () {
+ global.Base64 = _Base64;
+ return gBase64;
+ };
+ if (global.Meteor) { // Meteor.js
+ Base64 = gBase64;
+ }
+ global.Base64 = gBase64;
+ })();
+}((typeof self !== 'undefined' ? self
+ : typeof window !== 'undefined' ? window
+ : typeof global !== 'undefined' ? global
+ : this), function () {
+ 'use strict';
+ /**
+ * base64.ts
+ *
+ * Licensed under the BSD 3-Clause License.
+ * http://opensource.org/licenses/BSD-3-Clause
+ *
+ * References:
+ * http://en.wikipedia.org/wiki/Base64
+ *
+ * @author Dan Kogai (https://github.com/dankogai)
+ */
+ var version = '3.7.5';
+ /**
+ * @deprecated use lowercase `version`.
+ */
+ var VERSION = version;
+ var _hasatob = typeof atob === 'function';
+ var _hasbtoa = typeof btoa === 'function';
+ var _hasBuffer = typeof Buffer === 'function';
+ var _TD = typeof TextDecoder === 'function' ? new TextDecoder() : undefined;
+ var _TE = typeof TextEncoder === 'function' ? new TextEncoder() : undefined;
+ var b64ch = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
+ var b64chs = Array.prototype.slice.call(b64ch);
+ var b64tab = (function (a) {
+ var tab = {};
+ a.forEach(function (c, i) { return tab[c] = i; });
+ return tab;
+ })(b64chs);
+ var b64re = /^(?:[A-Za-z\d+\/]{4})*?(?:[A-Za-z\d+\/]{2}(?:==)?|[A-Za-z\d+\/]{3}=?)?$/;
+ var _fromCC = String.fromCharCode.bind(String);
+ var _U8Afrom = typeof Uint8Array.from === 'function'
+ ? Uint8Array.from.bind(Uint8Array)
+ : function (it) { return new Uint8Array(Array.prototype.slice.call(it, 0)); };
+ var _mkUriSafe = function (src) { return src
+ .replace(/=/g, '').replace(/[+\/]/g, function (m0) { return m0 == '+' ? '-' : '_'; }); };
+ var _tidyB64 = function (s) { return s.replace(/[^A-Za-z0-9\+\/]/g, ''); };
+ /**
+ * polyfill version of `btoa`
+ */
+ var btoaPolyfill = function (bin) {
+ // console.log('polyfilled');
+ var u32, c0, c1, c2, asc = '';
+ var pad = bin.length % 3;
+ for (var i = 0; i < bin.length;) {
+ if ((c0 = bin.charCodeAt(i++)) > 255 ||
+ (c1 = bin.charCodeAt(i++)) > 255 ||
+ (c2 = bin.charCodeAt(i++)) > 255)
+ throw new TypeError('invalid character found');
+ u32 = (c0 << 16) | (c1 << 8) | c2;
+ asc += b64chs[u32 >> 18 & 63]
+ + b64chs[u32 >> 12 & 63]
+ + b64chs[u32 >> 6 & 63]
+ + b64chs[u32 & 63];
+ }
+ return pad ? asc.slice(0, pad - 3) + "===".substring(pad) : asc;
+ };
+ /**
+ * does what `window.btoa` of web browsers do.
+ * @param {String} bin binary string
+ * @returns {string} Base64-encoded string
+ */
+ var _btoa = _hasbtoa ? function (bin) { return btoa(bin); }
+ : _hasBuffer ? function (bin) { return Buffer.from(bin, 'binary').toString('base64'); }
+ : btoaPolyfill;
+ var _fromUint8Array = _hasBuffer
+ ? function (u8a) { return Buffer.from(u8a).toString('base64'); }
+ : function (u8a) {
+ // cf. https://stackoverflow.com/questions/12710001/how-to-convert-uint8-array-to-base64-encoded-string/12713326#12713326
+ var maxargs = 0x1000;
+ var strs = [];
+ for (var i = 0, l = u8a.length; i < l; i += maxargs) {
+ strs.push(_fromCC.apply(null, u8a.subarray(i, i + maxargs)));
+ }
+ return _btoa(strs.join(''));
+ };
+ /**
+ * converts a Uint8Array to a Base64 string.
+ * @param {boolean} [urlsafe] URL-and-filename-safe a la RFC4648 §5
+ * @returns {string} Base64 string
+ */
+ var fromUint8Array = function (u8a, urlsafe) {
+ if (urlsafe === void 0) { urlsafe = false; }
+ return urlsafe ? _mkUriSafe(_fromUint8Array(u8a)) : _fromUint8Array(u8a);
+ };
+ // This trick is found broken https://github.com/dankogai/js-base64/issues/130
+ // const utob = (src: string) => unescape(encodeURIComponent(src));
+ // reverting good old fationed regexp
+ var cb_utob = function (c) {
+ if (c.length < 2) {
+ var cc = c.charCodeAt(0);
+ return cc < 0x80 ? c
+ : cc < 0x800 ? (_fromCC(0xc0 | (cc >>> 6))
+ + _fromCC(0x80 | (cc & 0x3f)))
+ : (_fromCC(0xe0 | ((cc >>> 12) & 0x0f))
+ + _fromCC(0x80 | ((cc >>> 6) & 0x3f))
+ + _fromCC(0x80 | (cc & 0x3f)));
+ }
+ else {
+ var cc = 0x10000
+ + (c.charCodeAt(0) - 0xD800) * 0x400
+ + (c.charCodeAt(1) - 0xDC00);
+ return (_fromCC(0xf0 | ((cc >>> 18) & 0x07))
+ + _fromCC(0x80 | ((cc >>> 12) & 0x3f))
+ + _fromCC(0x80 | ((cc >>> 6) & 0x3f))
+ + _fromCC(0x80 | (cc & 0x3f)));
+ }
+ };
+ var re_utob = /[\uD800-\uDBFF][\uDC00-\uDFFFF]|[^\x00-\x7F]/g;
+ /**
+ * @deprecated should have been internal use only.
+ * @param {string} src UTF-8 string
+ * @returns {string} UTF-16 string
+ */
+ var utob = function (u) { return u.replace(re_utob, cb_utob); };
+ //
+ var _encode = _hasBuffer
+ ? function (s) { return Buffer.from(s, 'utf8').toString('base64'); }
+ : _TE
+ ? function (s) { return _fromUint8Array(_TE.encode(s)); }
+ : function (s) { return _btoa(utob(s)); };
+ /**
+ * converts a UTF-8-encoded string to a Base64 string.
+ * @param {boolean} [urlsafe] if `true` make the result URL-safe
+ * @returns {string} Base64 string
+ */
+ var encode = function (src, urlsafe) {
+ if (urlsafe === void 0) { urlsafe = false; }
+ return urlsafe
+ ? _mkUriSafe(_encode(src))
+ : _encode(src);
+ };
+ /**
+ * converts a UTF-8-encoded string to URL-safe Base64 RFC4648 §5.
+ * @returns {string} Base64 string
+ */
+ var encodeURI = function (src) { return encode(src, true); };
+ // This trick is found broken https://github.com/dankogai/js-base64/issues/130
+ // const btou = (src: string) => decodeURIComponent(escape(src));
+ // reverting good old fationed regexp
+ var re_btou = /[\xC0-\xDF][\x80-\xBF]|[\xE0-\xEF][\x80-\xBF]{2}|[\xF0-\xF7][\x80-\xBF]{3}/g;
+ var cb_btou = function (cccc) {
+ switch (cccc.length) {
+ case 4:
+ var cp = ((0x07 & cccc.charCodeAt(0)) << 18)
+ | ((0x3f & cccc.charCodeAt(1)) << 12)
+ | ((0x3f & cccc.charCodeAt(2)) << 6)
+ | (0x3f & cccc.charCodeAt(3)), offset = cp - 0x10000;
+ return (_fromCC((offset >>> 10) + 0xD800)
+ + _fromCC((offset & 0x3FF) + 0xDC00));
+ case 3:
+ return _fromCC(((0x0f & cccc.charCodeAt(0)) << 12)
+ | ((0x3f & cccc.charCodeAt(1)) << 6)
+ | (0x3f & cccc.charCodeAt(2)));
+ default:
+ return _fromCC(((0x1f & cccc.charCodeAt(0)) << 6)
+ | (0x3f & cccc.charCodeAt(1)));
+ }
+ };
+ /**
+ * @deprecated should have been internal use only.
+ * @param {string} src UTF-16 string
+ * @returns {string} UTF-8 string
+ */
+ var btou = function (b) { return b.replace(re_btou, cb_btou); };
+ /**
+ * polyfill version of `atob`
+ */
+ var atobPolyfill = function (asc) {
+ // console.log('polyfilled');
+ asc = asc.replace(/\s+/g, '');
+ if (!b64re.test(asc))
+ throw new TypeError('malformed base64.');
+ asc += '=='.slice(2 - (asc.length & 3));
+ var u24, bin = '', r1, r2;
+ for (var i = 0; i < asc.length;) {
+ u24 = b64tab[asc.charAt(i++)] << 18
+ | b64tab[asc.charAt(i++)] << 12
+ | (r1 = b64tab[asc.charAt(i++)]) << 6
+ | (r2 = b64tab[asc.charAt(i++)]);
+ bin += r1 === 64 ? _fromCC(u24 >> 16 & 255)
+ : r2 === 64 ? _fromCC(u24 >> 16 & 255, u24 >> 8 & 255)
+ : _fromCC(u24 >> 16 & 255, u24 >> 8 & 255, u24 & 255);
+ }
+ return bin;
+ };
+ /**
+ * does what `window.atob` of web browsers do.
+ * @param {String} asc Base64-encoded string
+ * @returns {string} binary string
+ */
+ var _atob = _hasatob ? function (asc) { return atob(_tidyB64(asc)); }
+ : _hasBuffer ? function (asc) { return Buffer.from(asc, 'base64').toString('binary'); }
+ : atobPolyfill;
+ //
+ var _toUint8Array = _hasBuffer
+ ? function (a) { return _U8Afrom(Buffer.from(a, 'base64')); }
+ : function (a) { return _U8Afrom(_atob(a).split('').map(function (c) { return c.charCodeAt(0); })); };
+ /**
+ * converts a Base64 string to a Uint8Array.
+ */
+ var toUint8Array = function (a) { return _toUint8Array(_unURI(a)); };
+ //
+ var _decode = _hasBuffer
+ ? function (a) { return Buffer.from(a, 'base64').toString('utf8'); }
+ : _TD
+ ? function (a) { return _TD.decode(_toUint8Array(a)); }
+ : function (a) { return btou(_atob(a)); };
+ var _unURI = function (a) { return _tidyB64(a.replace(/[-_]/g, function (m0) { return m0 == '-' ? '+' : '/'; })); };
+ /**
+ * converts a Base64 string to a UTF-8 string.
+ * @param {String} src Base64 string. Both normal and URL-safe are supported
+ * @returns {string} UTF-8 string
+ */
+ var decode = function (src) { return _decode(_unURI(src)); };
+ /**
+ * check if a value is a valid Base64 string
+ * @param {String} src a value to check
+ */
+ var isValid = function (src) {
+ if (typeof src !== 'string')
+ return false;
+ var s = src.replace(/\s+/g, '').replace(/={0,2}$/, '');
+ return !/[^\s0-9a-zA-Z\+/]/.test(s) || !/[^\s0-9a-zA-Z\-_]/.test(s);
+ };
+ //
+ var _noEnum = function (v) {
+ return {
+ value: v, enumerable: false, writable: true, configurable: true
+ };
+ };
+ /**
+ * extend String.prototype with relevant methods
+ */
+ var extendString = function () {
+ var _add = function (name, body) { return Object.defineProperty(String.prototype, name, _noEnum(body)); };
+ _add('fromBase64', function () { return decode(this); });
+ _add('toBase64', function (urlsafe) { return encode(this, urlsafe); });
+ _add('toBase64URI', function () { return encode(this, true); });
+ _add('toBase64URL', function () { return encode(this, true); });
+ _add('toUint8Array', function () { return toUint8Array(this); });
+ };
+ /**
+ * extend Uint8Array.prototype with relevant methods
+ */
+ var extendUint8Array = function () {
+ var _add = function (name, body) { return Object.defineProperty(Uint8Array.prototype, name, _noEnum(body)); };
+ _add('toBase64', function (urlsafe) { return fromUint8Array(this, urlsafe); });
+ _add('toBase64URI', function () { return fromUint8Array(this, true); });
+ _add('toBase64URL', function () { return fromUint8Array(this, true); });
+ };
+ /**
+ * extend Builtin prototypes with relevant methods
+ */
+ var extendBuiltins = function () {
+ extendString();
+ extendUint8Array();
+ };
+ var gBase64 = {
+ version: version,
+ VERSION: VERSION,
+ atob: _atob,
+ atobPolyfill: atobPolyfill,
+ btoa: _btoa,
+ btoaPolyfill: btoaPolyfill,
+ fromBase64: decode,
+ toBase64: encode,
+ encode: encode,
+ encodeURI: encodeURI,
+ encodeURL: encodeURI,
+ utob: utob,
+ btou: btou,
+ decode: decode,
+ isValid: isValid,
+ fromUint8Array: fromUint8Array,
+ toUint8Array: toUint8Array,
+ extendString: extendString,
+ extendUint8Array: extendUint8Array,
+ extendBuiltins: extendBuiltins
+ };
+ //
+ // export Base64 to the namespace
+ //
+ // ES5 is yet to have Object.assign() that may make transpilers unhappy.
+ // gBase64.Base64 = Object.assign({}, gBase64);
+ gBase64.Base64 = {};
+ Object.keys(gBase64).forEach(function (k) { return gBase64.Base64[k] = gBase64[k]; });
+ return gBase64;
+}));
--
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