get-file-information
Version:
提供获取文件信息，图片/视频，宽高，大小，Md5，视频时长等
120 lines (113 loc) • 32.1 kB
JavaScript
/*
* ATTENTION: The "eval" devtool has been used (maybe by default in mode: "development").
* This devtool is neither made for production nor for readable output files.
* It uses "eval()" calls to create a separate source file in the browser devtools.
* If you are trying to read the output file, select a different devtool (https://webpack.js.org/configuration/devtool/)
* or disable the default devtool with "devtool: false".
* If you are looking for production-ready output files, see mode: "production" (https://webpack.js.org/configuration/mode/).
*/
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory();
else if(typeof define === 'function' && define.amd)
define([], factory);
else if(typeof exports === 'object')
exports["getFileInfo"] = factory();
else
root["getFileInfo"] = factory();
})(self, () => {
return /******/ (() => { // webpackBootstrap
/******/ var __webpack_modules__ = ({
/***/ "./node_modules/spark-md5/spark-md5.js":
/*!*********************************************!*\
!*** ./node_modules/spark-md5/spark-md5.js ***!
\*********************************************/
/***/ ((module) => {
eval("(function (factory) {\n if (true) {\n // Node/CommonJS\n module.exports = factory();\n } else { var glob; }\n}(function (undefined) {\n\n 'use strict';\n\n /*\n * Fastest md5 implementation around (JKM md5).\n * Credits: Joseph Myers\n *\n * @see http://www.myersdaily.org/joseph/javascript/md5-text.html\n * @see http://jsperf.com/md5-shootout/7\n */\n\n /* this function is much faster,\n so if possible we use it. Some IEs\n are the only ones I know of that\n need the idiotic second function,\n generated by an if clause. */\n var add32 = function (a, b) {\n return (a + b) & 0xFFFFFFFF;\n },\n hex_chr = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'];\n\n\n function cmn(q, a, b, x, s, t) {\n a = add32(add32(a, q), add32(x, t));\n return add32((a << s) | (a >>> (32 - s)), b);\n }\n\n function md5cycle(x, k) {\n var a = x[0],\n b = x[1],\n c = x[2],\n d = x[3];\n\n a += (b & c | ~b & d) + k[0] - 680876936 | 0;\n a = (a << 7 | a >>> 25) + b | 0;\n d += (a & b | ~a & c) + k[1] - 389564586 | 0;\n d = (d << 12 | d >>> 20) + a | 0;\n c += (d & a | ~d & b) + k[2] + 606105819 | 0;\n c = (c << 17 | c >>> 15) + d | 0;\n b += (c & d | ~c & a) + k[3] - 1044525330 | 0;\n b = (b << 22 | b >>> 10) + c | 0;\n a += (b & c | ~b & d) + k[4] - 176418897 | 0;\n a = (a << 7 | a >>> 25) + b | 0;\n d += (a & b | ~a & c) + k[5] + 1200080426 | 0;\n d = (d << 12 | d >>> 20) + a | 0;\n c += (d & a | ~d & b) + k[6] - 1473231341 | 0;\n c = (c << 17 | c >>> 15) + d | 0;\n b += (c & d | ~c & a) + k[7] - 45705983 | 0;\n b = (b << 22 | b >>> 10) + c | 0;\n a += (b & c | ~b & d) + k[8] + 1770035416 | 0;\n a = (a << 7 | a >>> 25) + b | 0;\n d += (a & b | ~a & c) + k[9] - 1958414417 | 0;\n d = (d << 12 | d >>> 20) + a | 0;\n c += (d & a | ~d & b) + k[10] - 42063 | 0;\n c = (c << 17 | c >>> 15) + d | 0;\n b += (c & d | ~c & a) + k[11] - 1990404162 | 0;\n b = (b << 22 | b >>> 10) + c | 0;\n a += (b & c | ~b & d) + k[12] + 1804603682 | 0;\n a = (a << 7 | a >>> 25) + b | 0;\n d += (a & b | ~a & c) + k[13] - 40341101 | 0;\n d = (d << 12 | d >>> 20) + a | 0;\n c += (d & a | ~d & b) + k[14] - 1502002290 | 0;\n c = (c << 17 | c >>> 15) + d | 0;\n b += (c & d | ~c & a) + k[15] + 1236535329 | 0;\n b = (b << 22 | b >>> 10) + c | 0;\n\n a += (b & d | c & ~d) + k[1] - 165796510 | 0;\n a = (a << 5 | a >>> 27) + b | 0;\n d += (a & c | b & ~c) + k[6] - 1069501632 | 0;\n d = (d << 9 | d >>> 23) + a | 0;\n c += (d & b | a & ~b) + k[11] + 643717713 | 0;\n c = (c << 14 | c >>> 18) + d | 0;\n b += (c & a | d & ~a) + k[0] - 373897302 | 0;\n b = (b << 20 | b >>> 12) + c | 0;\n a += (b & d | c & ~d) + k[5] - 701558691 | 0;\n a = (a << 5 | a >>> 27) + b | 0;\n d += (a & c | b & ~c) + k[10] + 38016083 | 0;\n d = (d << 9 | d >>> 23) + a | 0;\n c += (d & b | a & ~b) + k[15] - 660478335 | 0;\n c = (c << 14 | c >>> 18) + d | 0;\n b += (c & a | d & ~a) + k[4] - 405537848 | 0;\n b = (b << 20 | b >>> 12) + c | 0;\n a += (b & d | c & ~d) + k[9] + 568446438 | 0;\n a = (a << 5 | a >>> 27) + b | 0;\n d += (a & c | b & ~c) + k[14] - 1019803690 | 0;\n d = (d << 9 | d >>> 23) + a | 0;\n c += (d & b | a & ~b) + k[3] - 187363961 | 0;\n c = (c << 14 | c >>> 18) + d | 0;\n b += (c & a | d & ~a) + k[8] + 1163531501 | 0;\n b = (b << 20 | b >>> 12) + c | 0;\n a += (b & d | c & ~d) + k[13] - 1444681467 | 0;\n a = (a << 5 | a >>> 27) + b | 0;\n d += (a & c | b & ~c) + k[2] - 51403784 | 0;\n d = (d << 9 | d >>> 23) + a | 0;\n c += (d & b | a & ~b) + k[7] + 1735328473 | 0;\n c = (c << 14 | c >>> 18) + d | 0;\n b += (c & a | d & ~a) + k[12] - 1926607734 | 0;\n b = (b << 20 | b >>> 12) + c | 0;\n\n a += (b ^ c ^ d) + k[5] - 378558 | 0;\n a = (a << 4 | a >>> 28) + b | 0;\n d += (a ^ b ^ c) + k[8] - 2022574463 | 0;\n d = (d << 11 | d >>> 21) + a | 0;\n c += (d ^ a ^ b) + k[11] + 1839030562 | 0;\n c = (c << 16 | c >>> 16) + d | 0;\n b += (c ^ d ^ a) + k[14] - 35309556 | 0;\n b = (b << 23 | b >>> 9) + c | 0;\n a += (b ^ c ^ d) + k[1] - 1530992060 | 0;\n a = (a << 4 | a >>> 28) + b | 0;\n d += (a ^ b ^ c) + k[4] + 1272893353 | 0;\n d = (d << 11 | d >>> 21) + a | 0;\n c += (d ^ a ^ b) + k[7] - 155497632 | 0;\n c = (c << 16 | c >>> 16) + d | 0;\n b += (c ^ d ^ a) + k[10] - 1094730640 | 0;\n b = (b << 23 | b >>> 9) + c | 0;\n a += (b ^ c ^ d) + k[13] + 681279174 | 0;\n a = (a << 4 | a >>> 28) + b | 0;\n d += (a ^ b ^ c) + k[0] - 358537222 | 0;\n d = (d << 11 | d >>> 21) + a | 0;\n c += (d ^ a ^ b) + k[3] - 722521979 | 0;\n c = (c << 16 | c >>> 16) + d | 0;\n b += (c ^ d ^ a) + k[6] + 76029189 | 0;\n b = (b << 23 | b >>> 9) + c | 0;\n a += (b ^ c ^ d) + k[9] - 640364487 | 0;\n a = (a << 4 | a >>> 28) + b | 0;\n d += (a ^ b ^ c) + k[12] - 421815835 | 0;\n d = (d << 11 | d >>> 21) + a | 0;\n c += (d ^ a ^ b) + k[15] + 530742520 | 0;\n c = (c << 16 | c >>> 16) + d | 0;\n b += (c ^ d ^ a) + k[2] - 995338651 | 0;\n b = (b << 23 | b >>> 9) + c | 0;\n\n a += (c ^ (b | ~d)) + k[0] - 198630844 | 0;\n a = (a << 6 | a >>> 26) + b | 0;\n d += (b ^ (a | ~c)) + k[7] + 1126891415 | 0;\n d = (d << 10 | d >>> 22) + a | 0;\n c += (a ^ (d | ~b)) + k[14] - 1416354905 | 0;\n c = (c << 15 | c >>> 17) + d | 0;\n b += (d ^ (c | ~a)) + k[5] - 57434055 | 0;\n b = (b << 21 |b >>> 11) + c | 0;\n a += (c ^ (b | ~d)) + k[12] + 1700485571 | 0;\n a = (a << 6 | a >>> 26) + b | 0;\n d += (b ^ (a | ~c)) + k[3] - 1894986606 | 0;\n d = (d << 10 | d >>> 22) + a | 0;\n c += (a ^ (d | ~b)) + k[10] - 1051523 | 0;\n c = (c << 15 | c >>> 17) + d | 0;\n b += (d ^ (c | ~a)) + k[1] - 2054922799 | 0;\n b = (b << 21 |b >>> 11) + c | 0;\n a += (c ^ (b | ~d)) + k[8] + 1873313359 | 0;\n a = (a << 6 | a >>> 26) + b | 0;\n d += (b ^ (a | ~c)) + k[15] - 30611744 | 0;\n d = (d << 10 | d >>> 22) + a | 0;\n c += (a ^ (d | ~b)) + k[6] - 1560198380 | 0;\n c = (c << 15 | c >>> 17) + d | 0;\n b += (d ^ (c | ~a)) + k[13] + 1309151649 | 0;\n b = (b << 21 |b >>> 11) + c | 0;\n a += (c ^ (b | ~d)) + k[4] - 145523070 | 0;\n a = (a << 6 | a >>> 26) + b | 0;\n d += (b ^ (a | ~c)) + k[11] - 1120210379 | 0;\n d = (d << 10 | d >>> 22) + a | 0;\n c += (a ^ (d | ~b)) + k[2] + 718787259 | 0;\n c = (c << 15 | c >>> 17) + d | 0;\n b += (d ^ (c | ~a)) + k[9] - 343485551 | 0;\n b = (b << 21 | b >>> 11) + c | 0;\n\n x[0] = a + x[0] | 0;\n x[1] = b + x[1] | 0;\n x[2] = c + x[2] | 0;\n x[3] = d + x[3] | 0;\n }\n\n function md5blk(s) {\n var md5blks = [],\n i; /* Andy King said do it this way. */\n\n for (i = 0; i < 64; i += 4) {\n md5blks[i >> 2] = s.charCodeAt(i) + (s.charCodeAt(i + 1) << 8) + (s.charCodeAt(i + 2) << 16) + (s.charCodeAt(i + 3) << 24);\n }\n return md5blks;\n }\n\n function md5blk_array(a) {\n var md5blks = [],\n i; /* Andy King said do it this way. */\n\n for (i = 0; i < 64; i += 4) {\n md5blks[i >> 2] = a[i] + (a[i + 1] << 8) + (a[i + 2] << 16) + (a[i + 3] << 24);\n }\n return md5blks;\n }\n\n function md51(s) {\n var n = s.length,\n state = [1732584193, -271733879, -1732584194, 271733878],\n i,\n length,\n tail,\n tmp,\n lo,\n hi;\n\n for (i = 64; i <= n; i += 64) {\n md5cycle(state, md5blk(s.substring(i - 64, i)));\n }\n s = s.substring(i - 64);\n length = s.length;\n tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];\n for (i = 0; i < length; i += 1) {\n tail[i >> 2] |= s.charCodeAt(i) << ((i % 4) << 3);\n }\n tail[i >> 2] |= 0x80 << ((i % 4) << 3);\n if (i > 55) {\n md5cycle(state, tail);\n for (i = 0; i < 16; i += 1) {\n tail[i] = 0;\n }\n }\n\n // Beware that the final length might not fit in 32 bits so we take care of that\n tmp = n * 8;\n tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);\n lo = parseInt(tmp[2], 16);\n hi = parseInt(tmp[1], 16) || 0;\n\n tail[14] = lo;\n tail[15] = hi;\n\n md5cycle(state, tail);\n return state;\n }\n\n function md51_array(a) {\n var n = a.length,\n state = [1732584193, -271733879, -1732584194, 271733878],\n i,\n length,\n tail,\n tmp,\n lo,\n hi;\n\n for (i = 64; i <= n; i += 64) {\n md5cycle(state, md5blk_array(a.subarray(i - 64, i)));\n }\n\n // Not sure if it is a bug, however IE10 will always produce a sub array of length 1\n // containing the last element of the parent array if the sub array specified starts\n // beyond the length of the parent array - weird.\n // https://connect.microsoft.com/IE/feedback/details/771452/typed-array-subarray-issue\n a = (i - 64) < n ? a.subarray(i - 64) : new Uint8Array(0);\n\n length = a.length;\n tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];\n for (i = 0; i < length; i += 1) {\n tail[i >> 2] |= a[i] << ((i % 4) << 3);\n }\n\n tail[i >> 2] |= 0x80 << ((i % 4) << 3);\n if (i > 55) {\n md5cycle(state, tail);\n for (i = 0; i < 16; i += 1) {\n tail[i] = 0;\n }\n }\n\n // Beware that the final length might not fit in 32 bits so we take care of that\n tmp = n * 8;\n tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);\n lo = parseInt(tmp[2], 16);\n hi = parseInt(tmp[1], 16) || 0;\n\n tail[14] = lo;\n tail[15] = hi;\n\n md5cycle(state, tail);\n\n return state;\n }\n\n function rhex(n) {\n var s = '',\n j;\n for (j = 0; j < 4; j += 1) {\n s += hex_chr[(n >> (j * 8 + 4)) & 0x0F] + hex_chr[(n >> (j * 8)) & 0x0F];\n }\n return s;\n }\n\n function hex(x) {\n var i;\n for (i = 0; i < x.length; i += 1) {\n x[i] = rhex(x[i]);\n }\n return x.join('');\n }\n\n // In some cases the fast add32 function cannot be used..\n if (hex(md51('hello')) !== '5d41402abc4b2a76b9719d911017c592') {\n add32 = function (x, y) {\n var lsw = (x & 0xFFFF) + (y & 0xFFFF),\n msw = (x >> 16) + (y >> 16) + (lsw >> 16);\n return (msw << 16) | (lsw & 0xFFFF);\n };\n }\n\n // ---------------------------------------------------\n\n /**\n * ArrayBuffer slice polyfill.\n *\n * @see https://github.com/ttaubert/node-arraybuffer-slice\n */\n\n if (typeof ArrayBuffer !== 'undefined' && !ArrayBuffer.prototype.slice) {\n (function () {\n function clamp(val, length) {\n val = (val | 0) || 0;\n\n if (val < 0) {\n return Math.max(val + length, 0);\n }\n\n return Math.min(val, length);\n }\n\n ArrayBuffer.prototype.slice = function (from, to) {\n var length = this.byteLength,\n begin = clamp(from, length),\n end = length,\n num,\n target,\n targetArray,\n sourceArray;\n\n if (to !== undefined) {\n end = clamp(to, length);\n }\n\n if (begin > end) {\n return new ArrayBuffer(0);\n }\n\n num = end - begin;\n target = new ArrayBuffer(num);\n targetArray = new Uint8Array(target);\n\n sourceArray = new Uint8Array(this, begin, num);\n targetArray.set(sourceArray);\n\n return target;\n };\n })();\n }\n\n // ---------------------------------------------------\n\n /**\n * Helpers.\n */\n\n function toUtf8(str) {\n if (/[\\u0080-\\uFFFF]/.test(str)) {\n str = unescape(encodeURIComponent(str));\n }\n\n return str;\n }\n\n function utf8Str2ArrayBuffer(str, returnUInt8Array) {\n var length = str.length,\n buff = new ArrayBuffer(length),\n arr = new Uint8Array(buff),\n i;\n\n for (i = 0; i < length; i += 1) {\n arr[i] = str.charCodeAt(i);\n }\n\n return returnUInt8Array ? arr : buff;\n }\n\n function arrayBuffer2Utf8Str(buff) {\n return String.fromCharCode.apply(null, new Uint8Array(buff));\n }\n\n function concatenateArrayBuffers(first, second, returnUInt8Array) {\n var result = new Uint8Array(first.byteLength + second.byteLength);\n\n result.set(new Uint8Array(first));\n result.set(new Uint8Array(second), first.byteLength);\n\n return returnUInt8Array ? result : result.buffer;\n }\n\n function hexToBinaryString(hex) {\n var bytes = [],\n length = hex.length,\n x;\n\n for (x = 0; x < length - 1; x += 2) {\n bytes.push(parseInt(hex.substr(x, 2), 16));\n }\n\n return String.fromCharCode.apply(String, bytes);\n }\n\n // ---------------------------------------------------\n\n /**\n * SparkMD5 OOP implementation.\n *\n * Use this class to perform an incremental md5, otherwise use the\n * static methods instead.\n */\n\n function SparkMD5() {\n // call reset to init the instance\n this.reset();\n }\n\n /**\n * Appends a string.\n * A conversion will be applied if an utf8 string is detected.\n *\n * @param {String} str The string to be appended\n *\n * @return {SparkMD5} The instance itself\n */\n SparkMD5.prototype.append = function (str) {\n // Converts the string to utf8 bytes if necessary\n // Then append as binary\n this.appendBinary(toUtf8(str));\n\n return this;\n };\n\n /**\n * Appends a binary string.\n *\n * @param {String} contents The binary string to be appended\n *\n * @return {SparkMD5} The instance itself\n */\n SparkMD5.prototype.appendBinary = function (contents) {\n this._buff += contents;\n this._length += contents.length;\n\n var length = this._buff.length,\n i;\n\n for (i = 64; i <= length; i += 64) {\n md5cycle(this._hash, md5blk(this._buff.substring(i - 64, i)));\n }\n\n this._buff = this._buff.substring(i - 64);\n\n return this;\n };\n\n /**\n * Finishes the incremental computation, reseting the internal state and\n * returning the result.\n *\n * @param {Boolean} raw True to get the raw string, false to get the hex string\n *\n * @return {String} The result\n */\n SparkMD5.prototype.end = function (raw) {\n var buff = this._buff,\n length = buff.length,\n i,\n tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],\n ret;\n\n for (i = 0; i < length; i += 1) {\n tail[i >> 2] |= buff.charCodeAt(i) << ((i % 4) << 3);\n }\n\n this._finish(tail, length);\n ret = hex(this._hash);\n\n if (raw) {\n ret = hexToBinaryString(ret);\n }\n\n this.reset();\n\n return ret;\n };\n\n /**\n * Resets the internal state of the computation.\n *\n * @return {SparkMD5} The instance itself\n */\n SparkMD5.prototype.reset = function () {\n this._buff = '';\n this._length = 0;\n this._hash = [1732584193, -271733879, -1732584194, 271733878];\n\n return this;\n };\n\n /**\n * Gets the internal state of the computation.\n *\n * @return {Object} The state\n */\n SparkMD5.prototype.getState = function () {\n return {\n buff: this._buff,\n length: this._length,\n hash: this._hash.slice()\n };\n };\n\n /**\n * Gets the internal state of the computation.\n *\n * @param {Object} state The state\n *\n * @return {SparkMD5} The instance itself\n */\n SparkMD5.prototype.setState = function (state) {\n this._buff = state.buff;\n this._length = state.length;\n this._hash = state.hash;\n\n return this;\n };\n\n /**\n * Releases memory used by the incremental buffer and other additional\n * resources. If you plan to use the instance again, use reset instead.\n */\n SparkMD5.prototype.destroy = function () {\n delete this._hash;\n delete this._buff;\n delete this._length;\n };\n\n /**\n * Finish the final calculation based on the tail.\n *\n * @param {Array} tail The tail (will be modified)\n * @param {Number} length The length of the remaining buffer\n */\n SparkMD5.prototype._finish = function (tail, length) {\n var i = length,\n tmp,\n lo,\n hi;\n\n tail[i >> 2] |= 0x80 << ((i % 4) << 3);\n if (i > 55) {\n md5cycle(this._hash, tail);\n for (i = 0; i < 16; i += 1) {\n tail[i] = 0;\n }\n }\n\n // Do the final computation based on the tail and length\n // Beware that the final length may not fit in 32 bits so we take care of that\n tmp = this._length * 8;\n tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);\n lo = parseInt(tmp[2], 16);\n hi = parseInt(tmp[1], 16) || 0;\n\n tail[14] = lo;\n tail[15] = hi;\n md5cycle(this._hash, tail);\n };\n\n /**\n * Performs the md5 hash on a string.\n * A conversion will be applied if utf8 string is detected.\n *\n * @param {String} str The string\n * @param {Boolean} [raw] True to get the raw string, false to get the hex string\n *\n * @return {String} The result\n */\n SparkMD5.hash = function (str, raw) {\n // Converts the string to utf8 bytes if necessary\n // Then compute it using the binary function\n return SparkMD5.hashBinary(toUtf8(str), raw);\n };\n\n /**\n * Performs the md5 hash on a binary string.\n *\n * @param {String} content The binary string\n * @param {Boolean} [raw] True to get the raw string, false to get the hex string\n *\n * @return {String} The result\n */\n SparkMD5.hashBinary = function (content, raw) {\n var hash = md51(content),\n ret = hex(hash);\n\n return raw ? hexToBinaryString(ret) : ret;\n };\n\n // ---------------------------------------------------\n\n /**\n * SparkMD5 OOP implementation for array buffers.\n *\n * Use this class to perform an incremental md5 ONLY for array buffers.\n */\n SparkMD5.ArrayBuffer = function () {\n // call reset to init the instance\n this.reset();\n };\n\n /**\n * Appends an array buffer.\n *\n * @param {ArrayBuffer} arr The array to be appended\n *\n * @return {SparkMD5.ArrayBuffer} The instance itself\n */\n SparkMD5.ArrayBuffer.prototype.append = function (arr) {\n var buff = concatenateArrayBuffers(this._buff.buffer, arr, true),\n length = buff.length,\n i;\n\n this._length += arr.byteLength;\n\n for (i = 64; i <= length; i += 64) {\n md5cycle(this._hash, md5blk_array(buff.subarray(i - 64, i)));\n }\n\n this._buff = (i - 64) < length ? new Uint8Array(buff.buffer.slice(i - 64)) : new Uint8Array(0);\n\n return this;\n };\n\n /**\n * Finishes the incremental computation, reseting the internal state and\n * returning the result.\n *\n * @param {Boolean} raw True to get the raw string, false to get the hex string\n *\n * @return {String} The result\n */\n SparkMD5.ArrayBuffer.prototype.end = function (raw) {\n var buff = this._buff,\n length = buff.length,\n tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],\n i,\n ret;\n\n for (i = 0; i < length; i += 1) {\n tail[i >> 2] |= buff[i] << ((i % 4) << 3);\n }\n\n this._finish(tail, length);\n ret = hex(this._hash);\n\n if (raw) {\n ret = hexToBinaryString(ret);\n }\n\n this.reset();\n\n return ret;\n };\n\n /**\n * Resets the internal state of the computation.\n *\n * @return {SparkMD5.ArrayBuffer} The instance itself\n */\n SparkMD5.ArrayBuffer.prototype.reset = function () {\n this._buff = new Uint8Array(0);\n this._length = 0;\n this._hash = [1732584193, -271733879, -1732584194, 271733878];\n\n return this;\n };\n\n /**\n * Gets the internal state of the computation.\n *\n * @return {Object} The state\n */\n SparkMD5.ArrayBuffer.prototype.getState = function () {\n var state = SparkMD5.prototype.getState.call(this);\n\n // Convert buffer to a string\n state.buff = arrayBuffer2Utf8Str(state.buff);\n\n return state;\n };\n\n /**\n * Gets the internal state of the computation.\n *\n * @param {Object} state The state\n *\n * @return {SparkMD5.ArrayBuffer} The instance itself\n */\n SparkMD5.ArrayBuffer.prototype.setState = function (state) {\n // Convert string to buffer\n state.buff = utf8Str2ArrayBuffer(state.buff, true);\n\n return SparkMD5.prototype.setState.call(this, state);\n };\n\n SparkMD5.ArrayBuffer.prototype.destroy = SparkMD5.prototype.destroy;\n\n SparkMD5.ArrayBuffer.prototype._finish = SparkMD5.prototype._finish;\n\n /**\n * Performs the md5 hash on an array buffer.\n *\n * @param {ArrayBuffer} arr The array buffer\n * @param {Boolean} [raw] True to get the raw string, false to get the hex one\n *\n * @return {String} The result\n */\n SparkMD5.ArrayBuffer.hash = function (arr, raw) {\n var hash = md51_array(new Uint8Array(arr)),\n ret = hex(hash);\n\n return raw ? hexToBinaryString(ret) : ret;\n };\n\n return SparkMD5;\n}));\n\n\n//# sourceURL=webpack://getFileInfo/./node_modules/spark-md5/spark-md5.js?");
/***/ }),
/***/ "./src/index.js":
/*!**********************!*\
!*** ./src/index.js ***!
\**********************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
"use strict";
eval("__webpack_require__.r(__webpack_exports__);\n/* harmony export */ __webpack_require__.d(__webpack_exports__, {\n/* harmony export */ \"formatSize\": () => (/* binding */ formatSize),\n/* harmony export */ \"getFileInfo\": () => (/* binding */ getFileInfo),\n/* harmony export */ \"getFileMd5\": () => (/* binding */ getFileMd5),\n/* harmony export */ \"getPxSize\": () => (/* binding */ getPxSize),\n/* harmony export */ \"getSuffix\": () => (/* binding */ getSuffix)\n/* harmony export */ });\n/* harmony import */ var spark_md5__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! spark-md5 */ \"./node_modules/spark-md5/spark-md5.js\");\n/* harmony import */ var spark_md5__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(spark_md5__WEBPACK_IMPORTED_MODULE_0__);\n\n\nfunction formatSize(file) {\n let data = '';\n let size = file.size;\n if (size < 0.1 * 1024) {\n //如果小于0.1KB转化成B\n data = size.toFixed(2) + 'B';\n } else if (size < 0.1 * 1024 * 1024) {\n //如果小于0.1MB转化成KB\n data = (size / 1024).toFixed(2) + 'KB';\n } else if (size < 0.1 * 1024 * 1024 * 1024) {\n //如果小于0.1GB转化成MB\n data = (size / (1024 * 1024)).toFixed(2) + 'MB';\n } else {\n //其他转化成GB\n data = (size / (1024 * 1024 * 1024)).toFixed(2) + 'GB';\n }\n let sizestr = data + '';\n let len = sizestr.indexOf('.');\n let dec = sizestr.substr(len + 1, 2);\n if (dec == '00') {\n //当小数点后为00时 去掉小数部分\n return sizestr.substring(0, len) + sizestr.substr(len + 3, 2);\n }\n return sizestr;\n}\n// 最后修改时间\n//格式化时间\n\nfunction getLatiTime(time) {\n // 格式化时间\n let date = new Date(time);\n let year = date.getFullYear();\n let month = date.getMonth() + 1;\n let day = date.getDate();\n let hour = date.getHours();\n let minute = date.getMinutes();\n let second = date.getSeconds();\n return [year, month, day].join('-') + ' ' + [hour, minute, second].join(':');\n}\n\n// 获取后缀名\nconst getSuffix = file => {\n let { type } = file;\n return type.split('/')[1];\n};\n/* 获取图片宽高 */\nconst getImgInfo = file => {\n return new Promise(resolve => {\n let img = new Image();\n img.src = file.fileUrl;\n img.style.display = 'none';\n img.onload = () => {\n let { width, height } = img;\n resolve({ width, height });\n };\n });\n};\n/* 视频宽高和时长 */\nconst getVideoInfo = file => {\n return new Promise(resolve => {\n // 元数据已加载\n const video = document.createElement('video');\n video.src = file.fileUrl;\n video.style.display = 'none';\n video.onloadedmetadata = () => {\n let duration = video.duration; // 取整 ，四舍五入\n let width = video.videoWidth;\n let height = video.videoHeight;\n resolve({ width, height, duration });\n };\n });\n};\n\nconst getPxSize = async file => {\n let type = file.type.split('/')[0];\n if (type === 'image') {\n return await getImgInfo(file);\n } else if (type === 'video') {\n return await getVideoInfo(file);\n } else {\n return {};\n }\n};\nconst getFileMd5 = file => {\n return new Promise(resolve => {\n let fileReader = new FileReader();\n let spark = new (spark_md5__WEBPACK_IMPORTED_MODULE_0___default().ArrayBuffer)();\n // 获取文件二进制数据\n fileReader.readAsArrayBuffer(file);\n fileReader.onload = function (e) {\n spark.append(e.target.result);\n let md5 = spark.end();\n resolve(md5);\n };\n });\n};\nconst getFileInfo = async file => {\n let fileInfo = {\n name: file.name,\n type: file.type,\n };\n // 生成临时路径\n fileInfo.fileUrl = window.URL.createObjectURL(file);\n file.fileUrl = fileInfo.fileUrl;\n // 获取全部文件信息\n fileInfo.suffix = getSuffix(file)\n fileInfo.formatSize = formatSize(file);\n fileInfo.lastUpdateTime = getLatiTime(file.lastModified);\n let sizeData = await getPxSize(file);\n Object.assign(fileInfo, sizeData);\n\tfileInfo.fileMd5 = await getFileMd5(file)\n return fileInfo;\n};\n\n\n\n\n//# sourceURL=webpack://getFileInfo/./src/index.js?");
/***/ })
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