How to use currentDescriptors method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

mainScript.js

Source:mainScript.js

1$(document).ready(() => {2    run();3})4var currentDescriptors = []5async function run() {6    //load models7    await faceapi.nets.ssdMobilenetv1.loadFromUri("./models")8    await faceapi.nets.faceLandmark68Net.loadFromUri("./models")9    await faceapi.nets.faceRecognitionNet.loadFromUri("./models")10    //start video streams11    let stream = null;12    const enrollmentVideoElement = document.getElementById("enrollmentVideo")13    const authenticationVideoElement = document.getElementById("authenticationVideo")14    try {15        stream = await navigator.mediaDevices.getUserMedia({16            video: true,17        })18    } catch (error) {19        console.log("error getting media stream " + error)20    }21    enrollmentVideoElement.srcObject = stream22    authenticationVideoElement.srcObject = stream23}24//function to capture an image and generate descriptors25async function capture() {26    //get capture button27    const captureButton = document.getElementById("captureButton")28    captureButton.setAttribute("disabled", "true");29    //get video element30    const videoElement = document.getElementById("enrollmentVideo")31    //recognise face and add descriptor to currentDescriptors32    let result;33    try {34        result = await faceapi.detectSingleFace(videoElement).withFaceLandmarks().withFaceDescriptor()35    } catch (err) {36        console.log("error capturing " + err)37        return;38    }39    currentDescriptors.push(result.descriptor)40    //disable button if we have 3 pictures41    if (currentDescriptors.length >= 3) {42        captureButton.innerText = "All Done!"43        return44    }45    //set value of capture button46    captureButton.removeAttribute("disabled")47    captureButton.innerText = "Capture (" + currentDescriptors.length + ")"48}49async function enroll() {50    //check if 3 pictures provided51    if (currentDescriptors.length < 3) {52        alert("Please capture 3 images and try again")53        return;54    }55    //get input values56    const usnInput = document.getElementById("usnInput")57    const nameInput = document.getElementById("nameInput")58    const usn = usnInput.value;59    const name = nameInput.value;60    //add this entry to database61    $.ajax({62        type: "POST",63        url: "enroll",64        data: {65            id: usn,66            name: name,67            descriptors0: currentDescriptors[0].join(' '),68            descriptors1: currentDescriptors[1].join(' '),69            descriptors2: currentDescriptors[2].join(' ')70        },71        success: (data, status, jqXHR) => {72            //empty the array73            currentDescriptors = []74            //clear fields75            usnInput.value = ""76            nameInput.value = ""77            //restore button78            const captureButton = document.getElementById("captureButton")79            captureButton.innerText = "Capture (0)"80            captureButton.removeAttribute("disabled")81            //do something to show success82            console.log("added to db")83        },84    })85}86async function authenticate() {87    //get reference to auth button88    const authButton = document.getElementById("authenticate-button")89    authButton.setAttribute("disabled", true)90    //get reference to video element91    const videoElement = document.getElementById("authenticationVideo")92    //get face descriptor93    const inputDetection = await faceapi.detectSingleFace(videoElement).withFaceLandmarks().withFaceDescriptor()94    const inputDescriptor = inputDetection.descriptor95    //get face data96    $.ajax({97        type: "POST",98        url: "getFaceData",99        success: (data, status, jqXHR) => {100            // parse retrieved data101            face_data_objects = JSON.parse(data)102            // convert descriptor data from string to float103            for (var i = 0; i < face_data_objects.length; i++) {104                descriptors = new Float32Array(face_data_objects[i]["descriptors"].split("+"))105                descriptor1 = descriptors.slice(0, 128)106                descriptor2 = descriptors.slice(128, 256)107                descriptor3 = descriptors.slice(256, 384)108                face_data_objects[i]["descriptors"] = [descriptor1, descriptor2, descriptor3]109            }110            var labeledFaceDescriptors = []111            for (var i = 0; i < face_data_objects.length; i++) {112                labeledFaceDescriptors.push(new faceapi.LabeledFaceDescriptors(113                    face_data_objects[i]["name"],114                    face_data_objects[i]["descriptors"],115                ));116            }117            //create facematcher with those118            console.log("created labeled descriptors")119            const faceMatcher = new faceapi.FaceMatcher(labeledFaceDescriptors)120            //find best match121            const bestMatch = faceMatcher.findBestMatch(inputDescriptor)122            console.log(bestMatch)123            //show message124            authButton.innerText = "Welcome " + bestMatch._label125            authButton.removeAttribute("disabled")126        }127    })...

index.js

Source:index.js

1/**2This regex represents a loose rule of an âimage candidate stringâ.3@see https://html.spec.whatwg.org/multipage/images.html#srcset-attribute4An âimage candidate stringâ roughly consists of the following:51. Zero or more whitespace characters.62. A non-empty URL that does not start or end with `,`.73. Zero or more whitespace characters.84. An optional âdescriptorâ that starts with a whitespace character.95. Zero or more whitespace characters.106. Each image candidate string is separated by a `,`.11We intentionally implement a loose rule here so that we can perform more aggressive error handling and reporting in the below code.12*/13const imageCandidateRegex = /\s*([^,]\S*[^,](?:\s+[^,]+)?)\s*(?:,|$)/;14const duplicateDescriptorCheck = (allDescriptors, value, postfix) => {15	allDescriptors[postfix] = allDescriptors[postfix] || {};16	if (allDescriptors[postfix][value]) {17		throw new Error(`No more than one image candidate is allowed for a given descriptor: ${value}${postfix}`);18	}19	allDescriptors[postfix][value] = true;20};21const fallbackDescriptorDuplicateCheck = allDescriptors => {22	if (allDescriptors.fallback) {23		throw new Error('Only one fallback image candidate is allowed');24	}25	if (allDescriptors.x['1']) {26		throw new Error('A fallback image is equivalent to a 1x descriptor, providing both is invalid.');27	}28	allDescriptors.fallback = true;29};30const descriptorCountCheck = (allDescriptors, currentDescriptors) => {31	if (currentDescriptors.length === 0) {32		fallbackDescriptorDuplicateCheck(allDescriptors);33	} else if (currentDescriptors.length > 1) {34		throw new Error(`Image candidate may have no more than one descriptor, found ${currentDescriptors.length}: ${currentDescriptors.join(' ')}`);35	}36};37const validDescriptorCheck = (value, postfix, descriptor) => {38	if (Number.isNaN(value)) {39		throw new TypeError(`${descriptor || value} is not a valid number`);40	}41	switch (postfix) {42		case 'w': {43			if (value <= 0) {44				throw new Error('Width descriptor must be greater than zero');45			} else if (!Number.isInteger(value)) {46				throw new TypeError('Width descriptor must be an integer');47			}48			break;49		}50		case 'x': {51			if (value <= 0) {52				throw new Error('Pixel density descriptor must be greater than zero');53			}54			break;55		}56		case 'h': {57			throw new Error('Height descriptor is no longer allowed');58		}59		default: {60			throw new Error(`Invalid srcset descriptor: ${descriptor}`);61		}62	}63};64export function parseSrcset(string, {strict = false} = {}) {65	const allDescriptors = strict ? {} : undefined;66	return string.split(imageCandidateRegex)67		.filter((part, index) => index % 2 === 1)68		.map(part => {69			const [url, ...descriptors] = part.trim().split(/\s+/);70			const result = {url};71			if (strict) {72				descriptorCountCheck(allDescriptors, descriptors);73			}74			for (const descriptor of descriptors) {75				const postfix = descriptor[descriptor.length - 1];76				const value = Number.parseFloat(descriptor.slice(0, -1));77				if (strict) {78					validDescriptorCheck(value, postfix, descriptor);79					duplicateDescriptorCheck(allDescriptors, value, postfix);80				}81				switch (postfix) {82					case 'w': {83						result.width = value;84						break;85					}86					case 'h': {87						result.height = value;88						break;89					}90					case 'x': {91						result.density = value;92						break;93					}94					// No default95				}96			}97			return result;98		});99}100const knownDescriptors = new Set(['width', 'height', 'density']);101export function stringifySrcset(array, {strict = false} = {}) {102	const allDescriptors = strict ? {} : undefined;103	return array.map(element => {104		if (!element.url) {105			if (strict) {106				throw new Error('URL is required');107			}108			return '';109		}110		const descriptorKeys = Object.keys(element).filter(key => knownDescriptors.has(key));111		if (strict) {112			descriptorCountCheck(allDescriptors, descriptorKeys);113		}114		const result = [element.url];115		for (const descriptorKey of descriptorKeys) {116			const value = element[descriptorKey];117			let postfix;118			switch (descriptorKey) {119				case 'width': {120					postfix = 'w';121					break;122				}123				case 'height': {124					postfix = 'h';125					break;126				}127				case 'density': {128					postfix = 'x';129					break;130				}131			// No default132			}133			const descriptor = `${value}${postfix}`;134			if (strict) {135				validDescriptorCheck(value, postfix);136				duplicateDescriptorCheck(allDescriptors, value, postfix);137			}138			result.push(descriptor);139		}140		return result.join(' ');141	}).join(', ');...

TrackDiffsOnGlobal.ts

Source:TrackDiffsOnGlobal.ts

1import { PoisoningFreeArray, PushSymbol } from './PoisoningFreeArray.js';2import { EntriesSymbol, HasSymbol } from './PoisoningFreeMap.js';3import { AllGlobals, GlobalDetails } from './types/AllGlobals.js';4const SString = String;5const safeObjectGetOwnPropertyDescriptors = Object.getOwnPropertyDescriptors;6const safeObjectGetOwnPropertyNames = Object.getOwnPropertyNames;7const safeObjectGetOwnPropertySymbols = Object.getOwnPropertySymbols;8const safeObjectIs = Object.is;9const safeObjectDefineProperty = Object.defineProperty;10type DiffOnGlobal = {11  keyName: string;12  fullyQualifiedKeyName: string;13  type: 'added' | 'removed' | 'changed';14  globalDetails: GlobalDetails;15  patch: () => void;16};17/** Compute the diff between two versions of globals */18export function trackDiffsOnGlobals(initialGlobals: AllGlobals): DiffOnGlobal[] {19  const allInitialGlobals = [...initialGlobals[EntriesSymbol]()];20  const observedDiffs = PoisoningFreeArray.from<DiffOnGlobal>([]);21  for (let index = 0; index !== allInitialGlobals.length; ++index) {22    const instance = allInitialGlobals[index][0];23    const globalDetails = allInitialGlobals[index][1];24    const name = globalDetails.name;25    const currentDescriptors = safeObjectGetOwnPropertyDescriptors(instance);26    const initialProperties = globalDetails.properties;27    const initialPropertiesList = [...initialProperties[EntriesSymbol]()];28    // Add back properties removed from the instance29    // OR Revert changes made to the properties already there initially30    for (let propertyIndex = 0; propertyIndex !== initialPropertiesList.length; ++propertyIndex) {31      const propertyName = initialPropertiesList[propertyIndex][0];32      const initialPropertyDescriptor = initialPropertiesList[propertyIndex][1];33      if (!(propertyName in (currentDescriptors as any))) {34        observedDiffs[PushSymbol]({35          keyName: SString(propertyName),36          fullyQualifiedKeyName: name + '.' + SString(propertyName),37          type: 'removed',38          patch: () => {39            safeObjectDefineProperty(instance, propertyName, initialPropertyDescriptor);40          },41          globalDetails,42        });43      } else if (44        !safeObjectIs(initialPropertyDescriptor.value, (currentDescriptors as any)[propertyName].value) ||45        !safeObjectIs(initialPropertyDescriptor.get, (currentDescriptors as any)[propertyName].get) ||46        !safeObjectIs(initialPropertyDescriptor.set, (currentDescriptors as any)[propertyName].set)47      ) {48        observedDiffs[PushSymbol]({49          keyName: SString(propertyName),50          fullyQualifiedKeyName: name + '.' + SString(propertyName),51          type: 'changed',52          patch: () => {53            safeObjectDefineProperty(instance, propertyName, initialPropertyDescriptor);54          },55          globalDetails,56        });57      }58    }59    // Drop properties not part of the initial definition60    const currentDescriptorsList = [61      ...safeObjectGetOwnPropertyNames(instance),62      ...safeObjectGetOwnPropertySymbols(instance),63    ];64    for (let descriptorIndex = 0; descriptorIndex !== currentDescriptorsList.length; ++descriptorIndex) {65      const propertyName = currentDescriptorsList[descriptorIndex];66      if (!initialProperties[HasSymbol](propertyName)) {67        observedDiffs[PushSymbol]({68          keyName: SString(propertyName),69          fullyQualifiedKeyName: name + '.' + SString(propertyName),70          type: 'added',71          patch: () => {72            delete (instance as any)[propertyName];73          },74          globalDetails,75        });76      }77    }78  }79  return [...observedDiffs]; // remove extra stuff linked to PoisoningFreeArray...

Using AI Code Generation

1const { currentDescriptors } = require('fast-check-monorepo');2const { currentDescriptors } = require('fast-check-monorepo');3const { currentDescriptors } = require('fast-check-monorepo');4const { currentDescriptors } = require('fast-check-monorepo');5const { currentDescriptors } = require('fast-check-monorepo');6const { currentDescriptors } = require('fast-check-monorepo');7const { currentDescriptors } = require('fast-check-monorepo');8const { currentDescriptors } = require('fast-check-monorepo');9const { currentDescriptors } = require('fast-check-monorepo');10const { currentDescriptors } = require('fast-check-monorepo');11const { currentDescriptors } = require('fast-check-monorepo');12const { currentDescriptors } = require('fast-check-monorepo');

Using AI Code Generation

1const fc = require('fast-check');2const { currentDescriptors } = require('fast-check/lib/types/property/Property.generic');3const prop = fc.property(fc.integer(), fc.integer(), (a, b) => a + b === b + a);4const descriptors = currentDescriptors(prop);5console.log(descriptors);6[ { path: '0', value: 0 },7  { path: '1', value: 0 },8  { path: '1', value: 1 },9  { path: '0', value: 1 },10  { path: '1', value: 2 },11  { path: '0', value: 2 },12  { path: '1', value: 3 },13  { path: '0', value: 3 },14  { path: '1', value: 4 },15  { path: '0', value: 4 },16  { path: '1', value: 5 },17  { path: '0', value: 5 },18  { path: '1', value: 6 },19  { path: '0', value: 6 },20  { path: '1', value: 7 },21  { path: '0', value: 7 },22  { path: '1', value: 8 },23  { path: '0', value: 8 },24  { path: '1', value: 9 },25  { path: '0', value: 9 },26  { path: '1', value: 10 },27  { path: '0', value: 10 },28  { path: '1', value: 11 },29  { path: '0', value: 11 },30  { path: '1', value: 12 },31  { path: '0', value: 12 },32  { path: '1', value: 13 },33  { path: '0', value: 13 },34  { path: '1', value: 14 },35  { path: '0', value: 14 },36  { path: '1', value: 15 },37  { path: '0', value: 15 },38  { path: '1', value: 16 },39  { path: '0', value: 16 },40  { path

Using AI Code Generation

1const { currentDescriptors } = require('fast-check');2const { describe } = require('jest-circus');3describe('test', () => {4  test('test', () => {5    const descriptors = currentDescriptors();6    expect(descriptors).toBeDefined();7  });8});

Using AI Code Generation

1const currentDescriptors = require('fast-check/lib/check/runner/ArbitraryWithShrink').currentDescriptors;2const fc = require('fast-check');3const arb = fc.array(fc.string(), 1, 5);4const gen = arb.generator;5const arbWithShrink = arb.withShrink(arb.shrink);6const shrink = arbWithShrink.shrink;7const value = ['a', 'b'];8const shrinks = shrink(value, gen);9const descriptors = currentDescriptors(shrinks);10console.log(descriptors);11const currentDescriptors = require('fast-check/lib/check/runner/ArbitraryWithShrink').currentDescriptors;12const fc = require('fast-check');13const arb = fc.array(fc.string(), 1, 5);14const gen = arb.generator;15const arbWithShrink = arb.withShrink(arb.shrink);16const shrink = arbWithShrink.shrink;17const value = ['a', 'b'];18const shrinks = shrink(value, gen);19const descriptors = currentDescriptors(shrinks);20console.log(descriptors);21const currentDescriptors = require('fast-check/lib/check/runner/ArbitraryWithShrink').currentDescriptors;22const fc = require('fast-check');23const arb = fc.array(fc.string(), 1, 5);24const gen = arb.generator;25const arbWithShrink = arb.withShrink(arb.shrink);26const shrink = arbWithShrink.shrink;27const value = ['a', 'b'];28const shrinks = shrink(value, gen);29const descriptors = currentDescriptors(shrinks);30console.log(descriptors);31const currentDescriptors = require('fast-check/lib/check/runner/ArbitraryWithShrink').currentDescriptors;32const fc = require('fast-check');33const arb = fc.array(fc.string(), 1, 5);34const gen = arb.generator;35const arbWithShrink = arb.withShrink(ar

Using AI Code Generation

1const fc = require('fast-check');2const { AsyncProperty } = require('fast-check/lib/check/arbitrary/AsyncProperty');3const { currentDescriptors } = require('fast-check/lib/utils/Descriptors');4const arbs = [fc.integer(), fc.date(), fc.constant('test')];5const arb = fc.tuple(arbs);6const asyncProp = new AsyncProperty(fc.func(fc.boolean()), arb);7console.log(currentDescriptors(asyncProp));8const fc = require('fast-check');9const { AsyncProperty } = require('fast-check/lib/check/arbitrary/AsyncProperty');10const { currentDescriptors } = require('fast-check/lib/utils/Descriptors');11const arbs = [fc.integer(), fc.date(), fc.constant('test')];12const arb = fc.tuple(arbs);13const asyncProp = new AsyncProperty(fc.func(fc.boolean()), arb);14console.log(currentDescriptors(asyncProp));15const fc = require('fast-check');16const { AsyncProperty } = require('fast-check/lib/check/arbitrary/AsyncProperty');17const { currentDescriptors } = require('fast-check/lib/utils/Descriptors');18const arbs = [fc.integer(), fc.date(), fc.constant('test')];19const arb = fc.tuple(arbs);20const asyncProp = new AsyncProperty(fc.func(fc.boolean()), arb);21console.log(currentDescriptors(asyncProp));22const fc = require('fast-check');23const { AsyncProperty } = require('fast-check/lib/check/arbitrary/AsyncProperty');24const { currentDescriptors } = require('fast-check/lib/utils/Descriptors');25const arbs = [fc.integer(), fc.date(), fc.constant('test')];26const arb = fc.tuple(arbs);27const asyncProp = new AsyncProperty(fc.func(fc.boolean()), arb);28console.log(currentDescriptors(asyncProp));29const fc = require('fast-check');30const { AsyncProperty } = require('fast-check/lib/check/arbitrary

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