webgazer4soprabanking
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WebGazer.js is an eye tracking library that uses common webcams to infer the eye-gaze locations of web visitors on a page in real time. The eye tracking model it contains self-calibrates by watching web visitors interact with the web page and trains a map
142 lines • 1.92 MB
JavaScript
/*!
*
* WebGazer.js: Scalable Webcam EyeTracking Using User Interactions
* Copyright (c) 2016-2020, Brown HCI Group
* Licensed under GPLv3. Companies with a valuation of less than $1M can use WebGazer.js under LGPLv3.
*
*/
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d={};n.r(d),n.d(d,"nonMaxSuppressionV3Impl",(function(){return mn.a})),n.d(d,"nonMaxSuppressionV4Impl",(function(){return mn.b})),n.d(d,"nonMaxSuppressionV5Impl",(function(){return mn.c})),n.d(d,"whereImpl",(function(){return bn.a}));var h=n(5),p=(n(141),n(24)),f=n(41);
/**
* @license
* Copyright 2018 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
class m{constructor(){this.saveRouters=[],this.loadRouters=[]}static getInstance(){return null==m.instance&&(m.instance=new m),m.instance}static registerSaveRouter(e){m.getInstance().saveRouters.push(e)}static registerLoadRouter(e){m.getInstance().loadRouters.push(e)}static getSaveHandlers(e){return m.getHandlers(e,"save")}static getLoadHandlers(e,t){return m.getHandlers(e,"load",t)}static getHandlers(e,t,n){const r=[];return("load"===t?m.getInstance().loadRouters:m.getInstance().saveRouters).forEach(t=>{const a=t(e,n);null!==a&&r.push(a)}),r}}const b=e=>m.registerSaveRouter(e),g=e=>m.registerLoadRouter(e),y=e=>m.getSaveHandlers(e),v=(e,t)=>m.getLoadHandlers(e,t)
/**
* @license
* Copyright 2018 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/;function x(){if(!Object(p.c)().getBool("IS_BROWSER"))throw new Error("Failed to obtain IndexedDB factory because the current environmentis not a web browser.");const e="undefined"==typeof window?self:window,t=e.indexedDB||e.mozIndexedDB||e.webkitIndexedDB||e.msIndexedDB||e.shimIndexedDB;if(null==t)throw new Error("The current browser does not appear to support IndexedDB.");return t}function w(e){const t=e.result;t.createObjectStore("models_store",{keyPath:"modelPath"}),t.createObjectStore("model_info_store",{keyPath:"modelPath"})}class O{constructor(e){if(this.indexedDB=x(),null==e||!e)throw new Error("For IndexedDB, modelPath must not be null, undefined or empty.");this.modelPath=e}async save(e){if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserLocalStorage.save() does not support saving model topology in binary formats yet.");return this.databaseAction(this.modelPath,e)}async load(){return this.databaseAction(this.modelPath)}databaseAction(e,t){return new Promise((e,n)=>{const r=this.indexedDB.open("tensorflowjs",1);r.onupgradeneeded=()=>w(r),r.onsuccess=()=>{const a=r.result;if(null==t){const t=a.transaction("models_store","readonly"),r=t.objectStore("models_store").get(this.modelPath);r.onsuccess=()=>{if(null==r.result)return a.close(),n(new Error(`Cannot find model with path '${this.modelPath}' in IndexedDB.`));e(r.result.modelArtifacts)},r.onerror=e=>(a.close(),n(r.error)),t.oncomplete=()=>a.close()}else{const r=Object(f.g)(t),s=a.transaction("model_info_store","readwrite");let i=s.objectStore("model_info_store");const o=i.put({modelPath:this.modelPath,modelArtifactsInfo:r});let u;o.onsuccess=()=>{u=a.transaction("models_store","readwrite");const o=u.objectStore("models_store").put({modelPath:this.modelPath,modelArtifacts:t,modelArtifactsInfo:r});o.onsuccess=()=>e({modelArtifactsInfo:r}),o.onerror=e=>{i=s.objectStore("model_info_store");const t=i.delete(this.modelPath);t.onsuccess=()=>(a.close(),n(o.error)),t.onerror=e=>(a.close(),n(o.error))}},o.onerror=e=>(a.close(),n(o.error)),s.oncomplete=()=>{null==u?a.close():u.oncomplete=()=>a.close()}}},r.onerror=e=>n(r.error)})}}O.URL_SCHEME="indexeddb://";const k=e=>{return Object(p.c)().getBool("IS_BROWSER")&&!Array.isArray(e)&&e.startsWith(O.URL_SCHEME)?(t=e.slice(O.URL_SCHEME.length),new O(t)):null;var t};m.registerSaveRouter(k),m.registerLoadRouter(k);class j{constructor(){this.indexedDB=x()}async listModels(){return new Promise((e,t)=>{const n=this.indexedDB.open("tensorflowjs",1);n.onupgradeneeded=()=>w(n),n.onsuccess=()=>{const r=n.result,a=r.transaction("model_info_store","readonly"),s=a.objectStore("model_info_store").getAll();s.onsuccess=()=>{const t={};for(const e of s.result)t[e.modelPath]=e.modelArtifactsInfo;e(t)},s.onerror=e=>(r.close(),t(s.error)),a.oncomplete=()=>r.close()},n.onerror=e=>t(n.error)})}async removeModel(e){var t;return e=(t=e).startsWith(O.URL_SCHEME)?t.slice(O.URL_SCHEME.length):t,new Promise((t,n)=>{const r=this.indexedDB.open("tensorflowjs",1);r.onupgradeneeded=()=>w(r),r.onsuccess=()=>{const a=r.result,s=a.transaction("model_info_store","readwrite"),i=s.objectStore("model_info_store"),o=i.get(e);let u;o.onsuccess=()=>{if(null==o.result)return a.close(),n(new Error(`Cannot find model with path '${e}' in IndexedDB.`));{const r=i.delete(e),s=()=>{u=a.transaction("models_store","readwrite");const r=u.objectStore("models_store").delete(e);r.onsuccess=()=>t(o.result.modelArtifactsInfo),r.onerror=e=>n(o.error)};r.onsuccess=s,r.onerror=e=>(s(),a.close(),n(o.error))}},o.onerror=e=>(a.close(),n(o.error)),s.oncomplete=()=>{null==u?a.close():u.oncomplete=()=>a.close()}},r.onerror=e=>n(r.error)})}}var I=n(7);
/**
* @license
* Copyright 2018 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/const N="tensorflowjs_models",S="info",T="model_topology",C="weight_specs",A="weight_data",E="model_metadata";function R(e){return{info:[N,e,S].join("/"),topology:[N,e,T].join("/"),weightSpecs:[N,e,C].join("/"),weightData:[N,e,A].join("/"),modelMetadata:[N,e,E].join("/")}}function $(e){const t=e.split("/");if(t.length<3)throw new Error("Invalid key format: "+e);return t.slice(1,t.length-1).join("/")}class _{constructor(e){if(!Object(p.c)().getBool("IS_BROWSER")||"undefined"==typeof window||void 0===window.localStorage)throw new Error("The current environment does not support local storage.");if(this.LS=window.localStorage,null==e||!e)throw new Error("For local storage, modelPath must not be null, undefined or empty.");this.modelPath=e,this.keys=R(this.modelPath)}async save(e){if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserLocalStorage.save() does not support saving model topology in binary formats yet.");{const t=JSON.stringify(e.modelTopology),n=JSON.stringify(e.weightSpecs),r=Object(f.g)(e);try{this.LS.setItem(this.keys.info,JSON.stringify(r)),this.LS.setItem(this.keys.topology,t),this.LS.setItem(this.keys.weightSpecs,n),this.LS.setItem(this.keys.weightData,Object(f.a)(e.weightData));const a={format:e.format,generatedBy:e.generatedBy,convertedBy:e.convertedBy};return null!=e.signature&&(a.signature=e.signature),null!=e.userDefinedMetadata&&(a.userDefinedMetadata=e.userDefinedMetadata),null!=e.modelInitializer&&(a.modelInitializer=e.modelInitializer),this.LS.setItem(this.keys.modelMetadata,JSON.stringify(a)),{modelArtifactsInfo:r}}catch(e){throw this.LS.removeItem(this.keys.info),this.LS.removeItem(this.keys.topology),this.LS.removeItem(this.keys.weightSpecs),this.LS.removeItem(this.keys.weightData),this.LS.removeItem(this.keys.modelMetadata),new Error(`Failed to save model '${this.modelPath}' to local storage: size quota being exceeded is a possible cause of this failure: modelTopologyBytes=${r.modelTopologyBytes}, weightSpecsBytes=${r.weightSpecsBytes}, weightDataBytes=${r.weightDataBytes}.`)}}}async load(){const e=JSON.parse(this.LS.getItem(this.keys.info));if(null==e)throw new Error(`In local storage, there is no model with name '${this.modelPath}'`);if("JSON"!==e.modelTopologyType)throw new Error("BrowserLocalStorage does not support loading non-JSON model topology yet.");const t={},n=JSON.parse(this.LS.getItem(this.keys.topology));if(null==n)throw new Error(`In local storage, the topology of model '${this.modelPath}' is missing.`);t.modelTopology=n;const r=JSON.parse(this.LS.getItem(this.keys.weightSpecs));if(null==r)throw new Error(`In local storage, the weight specs of model '${this.modelPath}' are missing.`);t.weightSpecs=r;const a=this.LS.getItem(this.keys.modelMetadata);if(null!=a){const e=JSON.parse(a);t.format=e.format,t.generatedBy=e.generatedBy,t.convertedBy=e.convertedBy,null!=e.signature&&(t.signature=e.signature),null!=e.userDefinedMetadata&&(t.userDefinedMetadata=e.userDefinedMetadata),null!=e.modelInitializer&&(t.modelInitializer=e.modelInitializer)}const s=this.LS.getItem(this.keys.weightData);if(null==s)throw new Error(`In local storage, the binary weight values of model '${this.modelPath}' are missing.`);return t.weightData=Object(f.b)(s),t}}_.URL_SCHEME="localstorage://";const F=e=>{return Object(p.c)().getBool("IS_BROWSER")&&!Array.isArray(e)&&e.startsWith(_.URL_SCHEME)?(t=e.slice(_.URL_SCHEME.length),new _(t)):null;var t};m.registerSaveRouter(F),m.registerLoadRouter(F);class D{constructor(){Object(I.b)(Object(p.c)().getBool("IS_BROWSER"),()=>"Current environment is not a web browser"),Object(I.b)("undefined"==typeof window||void 0!==window.localStorage,()=>"Current browser does not appear to support localStorage"),this.LS=window.localStorage}async listModels(){const e={},t=N+"/",n="/"+S;for(let r=0;r<this.LS.length;++r){const a=this.LS.key(r);if(a.startsWith(t)&&a.endsWith(n)){e[$(a)]=JSON.parse(this.LS.getItem(a))}}return e}async removeModel(e){var t;const n=R(e=(t=e).startsWith(_.URL_SCHEME)?t.slice(_.URL_SCHEME.length):t);if(null==this.LS.getItem(n.info))throw new Error(`Cannot find model at path '${e}'`);const r=JSON.parse(this.LS.getItem(n.info));return this.LS.removeItem(n.info),this.LS.removeItem(n.topology),this.LS.removeItem(n.weightSpecs),this.LS.removeItem(n.weightData),r}}
/**
* @license
* Copyright 2018 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/class M{constructor(){this.managers={}}static getInstance(){return null==M.instance&&(M.instance=new M),M.instance}static registerManager(e,t){Object(I.b)(null!=e,()=>"scheme must not be undefined or null."),e.endsWith("://")&&(e=e.slice(0,e.indexOf("://"))),Object(I.b)(e.length>0,()=>"scheme must not be an empty string.");const n=M.getInstance();Object(I.b)(null==n.managers[e],()=>`A model store manager is already registered for scheme '${e}'.`),n.managers[e]=t}static getManager(e){const t=this.getInstance().managers[e];if(null==t)throw new Error(`Cannot find model manager for scheme '${e}'`);return t}static getSchemes(){return Object.keys(this.getInstance().managers)}}function z(e){if(-1===e.indexOf("://"))throw new Error("The url string provided does not contain a scheme. Supported schemes are: "+M.getSchemes().join(","));return{scheme:e.split("://")[0],path:e.split("://")[1]}}async function L(e,t,n=!1){Object(I.b)(e!==t,()=>`Old path and new path are the same: '${e}'`);const r=m.getLoadHandlers(e);Object(I.b)(r.length>0,()=>`Copying failed because no load handler is found for source URL ${e}.`),Object(I.b)(r.length<2,()=>`Copying failed because more than one (${r.length}) load handlers for source URL ${e}.`);const a=r[0],s=m.getSaveHandlers(t);Object(I.b)(s.length>0,()=>`Copying failed because no save handler is found for destination URL ${t}.`),Object(I.b)(s.length<2,()=>`Copying failed because more than one (${r.length}) save handlers for destination URL ${t}.`);const i=s[0],o=z(e).scheme,u=z(e).path,c=o===z(e).scheme,l=await a.load();n&&c&&await M.getManager(o).removeModel(u);const d=await i.save(l);return n&&!c&&await M.getManager(o).removeModel(u),d.modelArtifactsInfo}async function P(){const e=M.getSchemes(),t={};for(const n of e){const e=await M.getManager(n).listModels();for(const r in e){t[n+"://"+r]=e[r]}}return t}async function B(e){const t=z(e);return M.getManager(t.scheme).removeModel(t.path)}async function W(e,t){return L(e,t,!1)}async function V(e,t){return L(e,t,!0)}
/**
* @license
* Copyright 2019 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/class U{fetch(e,t){return fetch(e,t)}now(){return performance.now()}encode(e,t){if("utf-8"!==t&&"utf8"!==t)throw new Error("Browser's encoder only supports utf-8, but got "+t);return null==this.textEncoder&&(this.textEncoder=new TextEncoder),this.textEncoder.encode(e)}decode(e,t){return new TextDecoder(t).decode(e)}}if(Object(p.c)().get("IS_BROWSER")){Object(p.c)().setPlatform("browser",new U);try{M.registerManager(_.URL_SCHEME,new D)}catch(e){}try{M.registerManager(O.URL_SCHEME,new j)}catch(e){}}n(276);var G=n(48),H=n(12),q=n(68),K=n(149),X=n(6);
/**
* @license
* Copyright 2020 Google Inc. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
Object(h.b)();const Y={buffer:G.a,cast:H.a,clone:q.a,print:K.a};Object(X.e)(Y);function Z(e){return new Promise(e=>setTimeout(e)).then(e)}class Q{constructor(e){if(!Object(p.c)().getBool("IS_BROWSER"))throw new Error("browserDownloads() cannot proceed because the current environment is not a browser.");e.startsWith(Q.URL_SCHEME)&&(e=e.slice(Q.URL_SCHEME.length)),null!=e&&0!==e.length||(e="model"),this.modelTopologyFileName=e+".json",this.weightDataFileName=e+".weights.bin"}async save(e){if("undefined"==typeof document)throw new Error("Browser downloads are not supported in this environment since `document` is not present");const t=window.URL.createObjectURL(new Blob([e.weightData],{type:"application/octet-stream"}));if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserDownloads.save() does not support saving model topology in binary formats yet.");{const n=[{paths:["./"+this.weightDataFileName],weights:e.weightSpecs}],r={modelTopology:e.modelTopology,format:e.format,generatedBy:e.generatedBy,convertedBy:e.convertedBy,weightsManifest:n};null!=e.signature&&(r.signature=e.signature),null!=e.userDefinedMetadata&&(r.userDefinedMetadata=e.userDefinedMetadata),null!=e.modelInitializer&&(r.modelInitializer=e.modelInitializer);const a=window.URL.createObjectURL(new Blob([JSON.stringify(r)],{type:"application/json"})),s=null==this.jsonAnchor?document.createElement("a"):this.jsonAnchor;if(s.download=this.modelTopologyFileName,s.href=a,await Z(()=>s.dispatchEvent(new MouseEvent("click"))),null!=e.weightData){const e=null==this.weightDataAnchor?document.createElement("a"):this.weightDataAnchor;e.download=this.weightDataFileName,e.href=t,await Z(()=>e.dispatchEvent(new MouseEvent("click")))}return{modelArtifactsInfo:Object(f.g)(e)}}}}Q.URL_SCHEME="downloads://";class J{constructor(e){if(null==e||e.length<1)throw new Error("When calling browserFiles, at least 1 file is required, but received "+e);this.files=e}async load(){const e=this.files[0],t=this.files.slice(1);return new Promise((n,r)=>{const a=new FileReader;a.onload=a=>{const s=JSON.parse(a.target.result),i=s.modelTopology;if(null==i)return void r(new Error("modelTopology field is missing from file "+e.name));0===t.length&&n({modelTopology:i});const o=s.weightsManifest;if(null==o)return void r(new Error("weightManifest field is missing from file "+e.name));let u;try{u=this.checkManifestAndWeightFiles(o,t)}catch(e){return void r(e)}const c=[],l=[],d=[];o.forEach(e=>{e.paths.forEach(e=>{l.push(e),d.push(null)}),c.push(...e.weights)}),o.forEach(e=>{e.paths.forEach(e=>{const t=new FileReader;t.onload=t=>{const r=t.target.result,a=l.indexOf(e);if(d[a]=r,-1===d.indexOf(null)){const e={modelTopology:i,weightSpecs:c,weightData:Object(f.d)(d),format:s.format,generatedBy:s.generatedBy,convertedBy:s.convertedBy};null!=s.signature&&(e.signature=s.signature),null!=s.userDefinedMetadata&&(e.userDefinedMetadata=s.userDefinedMetadata),null!=s.modelInitializer&&(e.modelInitializer=s.modelInitializer),n(e)}},t.onerror=t=>r(`Failed to weights data from file of path '${e}'.`),t.readAsArrayBuffer(u[e])})})},a.onerror=t=>r(`Failed to read model topology and weights manifest JSON from file '${e.name}'. BrowserFiles supports loading Keras-style tf.Model artifacts only.`),a.readAsText(e)})}checkManifestAndWeightFiles(e,t){const n=[],r=t.map(e=>Object(f.c)(e.name)),a={};for(const s of e)s.paths.forEach(e=>{const s=Object(f.c)(e);if(-1!==n.indexOf(s))throw new Error(`Duplicate file basename found in weights manifest: '${s}'`);if(n.push(s),-1===r.indexOf(s))throw new Error(`Weight file with basename '${s}' is not provided.`);a[e]=t[r.indexOf(s)]});if(n.length!==t.length)throw new Error(`Mismatch in the number of files in weights manifest (${n.length}) and the number of weight files provided (${t.length}).`);return a}}function ee(e){return new J(e)}
/**
* @license
* Copyright 2019 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/function te(e,t,n,r){!function(e){Object(I.b)(null!=e&&Array.isArray(e)&&e.length>0,()=>"promises must be a none empty array")}(e),function(e,t){Object(I.b)(e>=0&&e<=1,()=>"Progress fraction must be in range [0, 1], but got startFraction "+e),Object(I.b)(t>=0&&t<=1,()=>"Progress fraction must be in range [0, 1], but got endFraction "+t),Object(I.b)(t>=e,()=>`startFraction must be no more than endFraction, but got startFraction ${e} and endFraction `+t)}(n=null==n?0:n,r=null==r?1:r);let a=0;return Promise.all(e.map(s=>(s.then(s=>{const i=n+ ++a/e.length*(r-n);return t(i),s}),s)))}m.registerSaveRouter(e=>Object(p.c)().getBool("IS_BROWSER")&&!Array.isArray(e)&&e.startsWith(Q.URL_SCHEME)?function(e="model"){return new Q(e)}(e.slice(Q.URL_SCHEME.length)):null);var ne=n(146);
/**
* @license
* Copyright 2018 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/async function re(e,t){null==t&&(t={});const n=null==t.fetchFunc?Object(p.c)().platform.fetch:t.fetchFunc,r=e.map(e=>n(e,t.requestInit,{isBinary:!0})),a=(null==t.onProgress?await Promise.all(r):await te(r,t.onProgress,0,.5)).map(e=>e.arrayBuffer());return null==t.onProgress?await Promise.all(a):await te(a,t.onProgress,.5,1)}async function ae(e,t="",n,r){return se(e=>re(e,{requestInit:r}))(e,t,n)}function se(e){return async(t,n="",r)=>{const a=t.map(()=>!1),s={},i=null!=r?r.map(()=>!1):[],o=[];if(t.forEach((e,t)=>{let n=0;e.weights.forEach(e=>{const u="quantization"in e?e.quantization.dtype:e.dtype,c=ne.a[u]*I.N(e.shape),l=()=>{a[t]=!0,null==s[t]&&(s[t]=[]),s[t].push({manifestEntry:e,groupOffset:n,sizeBytes:c})};null!=r?r.forEach((t,n)=>{t===e.name&&(l(),i[n]=!0)}):l(),o.push(e.name),n+=c})}),!i.every(e=>e)){const e=r.filter((e,t)=>!i[t]);throw new Error("Could not find weights in manifest with names: "+e.join(", ")+". \nManifest JSON has weights with names: "+o.join(", ")+".")}const u=a.reduce((e,t,n)=>(t&&e.push(n),e),[]),c=[];u.forEach(e=>{t[e].paths.forEach(e=>{const t=n+(n.endsWith("/")?"":"/")+e;c.push(t)})});const l=await e(c),d={};let h=0;return u.forEach(e=>{const n=t[e].paths.length;let r=0;for(let e=0;e<n;e++)r+=l[h+e].byteLength;const a=new ArrayBuffer(r),i=new Uint8Array(a);let o=0;for(let e=0;e<n;e++){const t=new Uint8Array(l[h+e]);i.set(t,o),o+=t.byteLength}s[e].forEach(e=>{const t=a.slice(e.groupOffset,e.groupOffset+e.sizeBytes),n=Object(f.e)(t,[e.manifestEntry]);for(const e in n)d[e]=n[e]}),h+=n}),d}}
/**
* @license
* Copyright 2018 Google LLC. All Rights Reserved.
* L