@shencom/wechat-opencv
Version:
186 lines (161 loc) • 7.82 kB
JavaScript
var __Module__ = typeof __Module__ !== 'undefined' ? __Module__ : {};
if (!__Module__.expectedDataFileDownloads) {
__Module__.expectedDataFileDownloads = 0;
}
__Module__.expectedDataFileDownloads++;
(function() {
var loadPackage = function(metadata) {
var PACKAGE_PATH = '';
if (typeof window === 'object') {
PACKAGE_PATH = window['encodeURIComponent'](window.location.pathname.toString().substring(0, window.location.pathname.toString().lastIndexOf('/')) + '/');
} else if (typeof process === 'undefined' && typeof location !== 'undefined') {
// web worker
PACKAGE_PATH = encodeURIComponent(location.pathname.toString().substring(0, location.pathname.toString().lastIndexOf('/')) + '/');
}
var PACKAGE_NAME = 'build_wasm/bin/wechat_qrcode_files.data';
var REMOTE_PACKAGE_BASE = 'https://scplugins.oss-cn-shenzhen.aliyuncs.com/plugins/scloud/assets/qrcode/wechat_qrcode_files.data';
if (typeof __Module__['locateFilePackage'] === 'function' && !__Module__['locateFile']) {
__Module__['locateFile'] = __Module__['locateFilePackage'];
err('warning: you defined __Module__.locateFilePackage, that has been renamed to __Module__.locateFile (using your locateFilePackage for now)');
}
var REMOTE_PACKAGE_NAME = __Module__['locateFile'] ? __Module__['locateFile'](REMOTE_PACKAGE_BASE, '') : REMOTE_PACKAGE_BASE;
var REMOTE_PACKAGE_SIZE = metadata['remote_package_size'];
var PACKAGE_UUID = metadata['package_uuid'];
function fetchRemotePackage(packageName, packageSize, callback, errback) {
// if (typeof process === 'object') {
// import('fs').then(fs => {
// fs.readFile(packageName, (err, contents) => {
// if (err) {
// errback(err);
// } else {
// callback(contents.buffer);
// }
// });
// }).catch(errback);
// return;
// }
var xhr = new XMLHttpRequest();
xhr.open('GET', packageName, true);
xhr.responseType = 'arraybuffer';
xhr.onprogress = function(event) {
var url = packageName;
var size = packageSize;
if (event.total) size = event.total;
if (event.loaded) {
if (!xhr.addedTotal) {
xhr.addedTotal = true;
if (!__Module__.dataFileDownloads) __Module__.dataFileDownloads = {};
__Module__.dataFileDownloads[url] = {
loaded: event.loaded,
total: size
};
} else {
__Module__.dataFileDownloads[url].loaded = event.loaded;
}
var total = 0;
var loaded = 0;
var num = 0;
for (var download in __Module__.dataFileDownloads) {
var data = __Module__.dataFileDownloads[download];
total += data.total;
loaded += data.loaded;
num++;
}
total = Math.ceil(total * __Module__.expectedDataFileDownloads/num);
if (__Module__['setStatus']) __Module__['setStatus']('Downloading data... (' + loaded + '/' + total + ')');
} else if (!__Module__.dataFileDownloads) {
if (__Module__['setStatus']) __Module__['setStatus']('Downloading data...');
}
};
xhr.onerror = function(event) {
throw new Error("NetworkError for: " + packageName);
}
xhr.onload = function(event) {
if (xhr.status == 200 || xhr.status == 304 || xhr.status == 206 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0
var packageData = xhr.response;
callback(packageData);
} else {
throw new Error(xhr.statusText + " : " + xhr.responseURL);
}
};
xhr.send(null);
};
function handleError(error) {
console.error('package error:', error);
};
var fetchedCallback = null;
var fetched = __Module__['getPreloadedPackage'] ? __Module__['getPreloadedPackage'](REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE) : null;
if (!fetched) fetchRemotePackage(REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE, function(data) {
if (fetchedCallback) {
fetchedCallback(data);
fetchedCallback = null;
} else {
fetched = data;
}
}, handleError);
function runWithFS() {
function assert(check, msg) {
if (!check) throw msg + new Error().stack;
}
__Module__['FS_createPath']("/", "wechat_qrcode", true, true);
/** @constructor */
function DataRequest(start, end, audio) {
this.start = start;
this.end = end;
this.audio = audio;
}
DataRequest.prototype = {
requests: {},
open: function(mode, name) {
this.name = name;
this.requests[name] = this;
__Module__['addRunDependency']('fp ' + this.name);
},
send: function() {},
onload: function() {
var byteArray = this.byteArray.subarray(this.start, this.end);
this.finish(byteArray);
},
finish: function(byteArray) {
var that = this;
__Module__['FS_createDataFile'](this.name, null, byteArray, true, true, true); // canOwn this data in the filesystem, it is a slide into the heap that will never change
__Module__['removeRunDependency']('fp ' + that.name);
this.requests[this.name] = null;
}
};
var files = metadata['files'];
for (var i = 0; i < files.length; ++i) {
new DataRequest(files[i]['start'], files[i]['end'], files[i]['audio']).open('GET', files[i]['filename']);
}
function processPackageData(arrayBuffer) {
assert(arrayBuffer, 'Loading data file failed.');
assert(arrayBuffer instanceof ArrayBuffer, 'bad input to processPackageData');
var byteArray = new Uint8Array(arrayBuffer);
var curr;
// Reuse the bytearray from the XHR as the source for file reads.
DataRequest.prototype.byteArray = byteArray;
var files = metadata['files'];
for (var i = 0; i < files.length; ++i) {
DataRequest.prototype.requests[files[i].filename].onload();
}
__Module__['removeRunDependency']('datafile_build_wasm/bin/wechat_qrcode_files.data');
};
__Module__['addRunDependency']('datafile_build_wasm/bin/wechat_qrcode_files.data');
if (!__Module__.preloadResults) __Module__.preloadResults = {};
__Module__.preloadResults[PACKAGE_NAME] = {fromCache: false};
if (fetched) {
processPackageData(fetched);
fetched = null;
} else {
fetchedCallback = processPackageData;
}
}
if (__Module__['calledRun']) {
runWithFS();
} else {
if (!__Module__['preRun']) __Module__['preRun'] = [];
__Module__["preRun"].push(runWithFS); // FS is not initialized yet, wait for it
}
}
loadPackage({"files": [{"filename": "/wechat_qrcode/detect.prototxt", "start": 0, "end": 42656, "audio": 0}, {"filename": "/wechat_qrcode/sr.caffemodel", "start": 42656, "end": 66585, "audio": 0}, {"filename": "/wechat_qrcode/sr.prototxt", "start": 66585, "end": 72569, "audio": 0}, {"filename": "/wechat_qrcode/detect.caffemodel", "start": 72569, "end": 1037999, "audio": 0}], "remote_package_size": 1037999, "package_uuid": "190540bd-18cf-4576-9232-dd354a4a06e0"});
})();