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How to use formatWithLabel method in ava

Best JavaScript code snippet using ava

assert.js

Source:assert.js

...18		label,19		formatted: concordance.formatDescriptor(descriptor, concordanceOptions)20	};21}22function formatWithLabel(label, value) {23	return formatDescriptorWithLabel(label, concordance.describe(value, concordanceOptions));24}25const hasOwnProperty = (obj, prop) => Object.prototype.hasOwnProperty.call(obj, prop);26class AssertionError extends Error {27	constructor(opts) {28		super(opts.message || '');29		this.name = 'AssertionError';30		this.assertion = opts.assertion;31		this.fixedSource = opts.fixedSource;32		this.improperUsage = opts.improperUsage || false;33		this.operator = opts.operator;34		this.values = opts.values || [];35		// Raw expected and actual objects are stored for custom reporters36		// (such as wallaby.js), that manage worker processes directly and37		// use the values for custom diff views38		this.raw = opts.raw;39		// Reserved for power-assert statements40		this.statements = [];41		if (opts.stack) {42			this.stack = opts.stack;43		} else {44			const limitBefore = Error.stackTraceLimit;45			Error.stackTraceLimit = Infinity;46			Error.captureStackTrace(this);47			Error.stackTraceLimit = limitBefore;48		}49	}50}51exports.AssertionError = AssertionError;52function getStack() {53	const limitBefore = Error.stackTraceLimit;54	Error.stackTraceLimit = Infinity;55	const obj = {};56	Error.captureStackTrace(obj, getStack);57	Error.stackTraceLimit = limitBefore;58	return obj.stack;59}60function validateExpectations(assertion, expectations, numArgs) { // eslint-disable-line complexity61	if (typeof expectations === 'function') {62		expectations = {instanceOf: expectations};63	} else if (typeof expectations === 'string' || expectations instanceof RegExp) {64		expectations = {message: expectations};65	} else if (numArgs === 1 || expectations === null) {66		expectations = {};67	} else if (typeof expectations !== 'object' || Array.isArray(expectations) || Object.keys(expectations).length === 0) {68		throw new AssertionError({69			assertion,70			message: `The second argument to \`t.${assertion}()\` must be a function, string, regular expression, expectation object or \`null\``,71			values: [formatWithLabel('Called with:', expectations)]72		});73	} else {74		if (hasOwnProperty(expectations, 'instanceOf') && typeof expectations.instanceOf !== 'function') {75			throw new AssertionError({76				assertion,77				message: `The \`instanceOf\` property of the second argument to \`t.${assertion}()\` must be a function`,78				values: [formatWithLabel('Called with:', expectations)]79			});80		}81		if (hasOwnProperty(expectations, 'message') && typeof expectations.message !== 'string' && !(expectations.message instanceof RegExp)) {82			throw new AssertionError({83				assertion,84				message: `The \`message\` property of the second argument to \`t.${assertion}()\` must be a string or regular expression`,85				values: [formatWithLabel('Called with:', expectations)]86			});87		}88		if (hasOwnProperty(expectations, 'name') && typeof expectations.name !== 'string') {89			throw new AssertionError({90				assertion,91				message: `The \`name\` property of the second argument to \`t.${assertion}()\` must be a string`,92				values: [formatWithLabel('Called with:', expectations)]93			});94		}95		if (hasOwnProperty(expectations, 'code') && typeof expectations.code !== 'string' && typeof expectations.code !== 'number') {96			throw new AssertionError({97				assertion,98				message: `The \`code\` property of the second argument to \`t.${assertion}()\` must be a string or number`,99				values: [formatWithLabel('Called with:', expectations)]100			});101		}102		for (const key of Object.keys(expectations)) {103			switch (key) {104				case 'instanceOf':105				case 'is':106				case 'message':107				case 'name':108				case 'code':109					continue;110				default:111					throw new AssertionError({112						assertion,113						message: `The second argument to \`t.${assertion}()\` contains unexpected properties`,114						values: [formatWithLabel('Called with:', expectations)]115					});116			}117		}118	}119	return expectations;120}121// Note: this function *must* throw exceptions, since it can be used122// as part of a pending assertion for promises.123function assertExpectations({assertion, actual, expectations, message, prefix, stack}) {124	if (!isError(actual)) {125		throw new AssertionError({126			assertion,127			message,128			stack,129			values: [formatWithLabel(`${prefix} exception that is not an error:`, actual)]130		});131	}132	if (hasOwnProperty(expectations, 'is') && actual !== expectations.is) {133		throw new AssertionError({134			assertion,135			message,136			stack,137			values: [138				formatWithLabel(`${prefix} unexpected exception:`, actual),139				formatWithLabel('Expected to be strictly equal to:', expectations.is)140			]141		});142	}143	if (expectations.instanceOf && !(actual instanceof expectations.instanceOf)) {144		throw new AssertionError({145			assertion,146			message,147			stack,148			values: [149				formatWithLabel(`${prefix} unexpected exception:`, actual),150				formatWithLabel('Expected instance of:', expectations.instanceOf)151			]152		});153	}154	if (typeof expectations.name === 'string' && actual.name !== expectations.name) {155		throw new AssertionError({156			assertion,157			message,158			stack,159			values: [160				formatWithLabel(`${prefix} unexpected exception:`, actual),161				formatWithLabel('Expected name to equal:', expectations.name)162			]163		});164	}165	if (typeof expectations.message === 'string' && actual.message !== expectations.message) {166		throw new AssertionError({167			assertion,168			message,169			stack,170			values: [171				formatWithLabel(`${prefix} unexpected exception:`, actual),172				formatWithLabel('Expected message to equal:', expectations.message)173			]174		});175	}176	if (expectations.message instanceof RegExp && !expectations.message.test(actual.message)) {177		throw new AssertionError({178			assertion,179			message,180			stack,181			values: [182				formatWithLabel(`${prefix} unexpected exception:`, actual),183				formatWithLabel('Expected message to match:', expectations.message)184			]185		});186	}187	if (typeof expectations.code === 'string' && actual.code !== expectations.code) {188		throw new AssertionError({189			assertion,190			message,191			stack,192			values: [193				formatWithLabel(`${prefix} unexpected exception:`, actual),194				formatWithLabel('Expected code to equal:', expectations.code)195			]196		});197	}198}199function wrapAssertions(callbacks) {200	const pass = callbacks.pass;201	const pending = callbacks.pending;202	const fail = callbacks.fail;203	const noop = () => {};204	const assertions = {205		pass() {206			pass(this);207		},208		fail(message) {209			fail(this, new AssertionError({210				assertion: 'fail',211				message: message || 'Test failed via `t.fail()`'212			}));213		},214		is(actual, expected, message) {215			if (Object.is(actual, expected)) {216				pass(this);217			} else {218				const result = concordance.compare(actual, expected, concordanceOptions);219				const actualDescriptor = result.actual || concordance.describe(actual, concordanceOptions);220				const expectedDescriptor = result.expected || concordance.describe(expected, concordanceOptions);221				if (result.pass) {222					fail(this, new AssertionError({223						assertion: 'is',224						message,225						raw: {actual, expected},226						values: [formatDescriptorWithLabel('Values are deeply equal to each other, but they are not the same:', actualDescriptor)]227					}));228				} else {229					fail(this, new AssertionError({230						assertion: 'is',231						message,232						raw: {actual, expected},233						values: [formatDescriptorDiff(actualDescriptor, expectedDescriptor)]234					}));235				}236			}237		},238		not(actual, expected, message) {239			if (Object.is(actual, expected)) {240				fail(this, new AssertionError({241					assertion: 'not',242					message,243					raw: {actual, expected},244					values: [formatWithLabel('Value is the same as:', actual)]245				}));246			} else {247				pass(this);248			}249		},250		deepEqual(actual, expected, message) {251			const result = concordance.compare(actual, expected, concordanceOptions);252			if (result.pass) {253				pass(this);254			} else {255				const actualDescriptor = result.actual || concordance.describe(actual, concordanceOptions);256				const expectedDescriptor = result.expected || concordance.describe(expected, concordanceOptions);257				fail(this, new AssertionError({258					assertion: 'deepEqual',259					message,260					raw: {actual, expected},261					values: [formatDescriptorDiff(actualDescriptor, expectedDescriptor)]262				}));263			}264		},265		notDeepEqual(actual, expected, message) {266			const result = concordance.compare(actual, expected, concordanceOptions);267			if (result.pass) {268				const actualDescriptor = result.actual || concordance.describe(actual, concordanceOptions);269				fail(this, new AssertionError({270					assertion: 'notDeepEqual',271					message,272					raw: {actual, expected},273					values: [formatDescriptorWithLabel('Value is deeply equal:', actualDescriptor)]274				}));275			} else {276				pass(this);277			}278		},279		throws(fn, expectations, message) {280			if (typeof fn !== 'function') {281				fail(this, new AssertionError({282					assertion: 'throws',283					improperUsage: true,284					message: '`t.throws()` must be called with a function',285					values: [formatWithLabel('Called with:', fn)]286				}));287				return;288			}289			try {290				expectations = validateExpectations('throws', expectations, arguments.length);291			} catch (error) {292				fail(this, error);293				return;294			}295			let retval;296			let actual;297			let threw = false;298			try {299				retval = fn();300				if (isPromise(retval)) {301					try {302						retval.catch(noop);303					} catch (_) {}304					fail(this, new AssertionError({305						assertion: 'throws',306						message,307						values: [formatWithLabel('Function returned a promise. Use `t.throwsAsync()` instead:', retval)]308					}));309					return;310				}311			} catch (error) {312				actual = error;313				threw = true;314			}315			if (!threw) {316				fail(this, new AssertionError({317					assertion: 'throws',318					message,319					values: [formatWithLabel('Function returned:', retval)]320				}));321				return;322			}323			try {324				assertExpectations({325					assertion: 'throws',326					actual,327					expectations,328					message,329					prefix: 'Function threw'330				});331				pass(this);332				return actual;333			} catch (error) {334				fail(this, error);335			}336		},337		throwsAsync(thrower, expectations, message) {338			if (typeof thrower !== 'function' && !isPromise(thrower)) {339				fail(this, new AssertionError({340					assertion: 'throwsAsync',341					improperUsage: true,342					message: '`t.throwsAsync()` must be called with a function or promise',343					values: [formatWithLabel('Called with:', thrower)]344				}));345				return Promise.resolve();346			}347			try {348				expectations = validateExpectations('throwsAsync', expectations, arguments.length);349			} catch (error) {350				fail(this, error);351				return Promise.resolve();352			}353			const handlePromise = (promise, wasReturned) => {354				// Record stack before it gets lost in the promise chain.355				const stack = getStack();356				const intermediate = promise.then(value => {357					throw new AssertionError({358						assertion: 'throwsAsync',359						message,360						stack,361						values: [formatWithLabel(`${wasReturned ? 'Returned promise' : 'Promise'} resolved with:`, value)]362					});363				}, reason => {364					assertExpectations({365						assertion: 'throwsAsync',366						actual: reason,367						expectations,368						message,369						prefix: `${wasReturned ? 'Returned promise' : 'Promise'} rejected with`,370						stack371					});372					return reason;373				});374				pending(this, intermediate);375				// Don't reject the returned promise, even if the assertion fails.376				return intermediate.catch(noop);377			};378			if (isPromise(thrower)) {379				return handlePromise(thrower, false);380			}381			let retval;382			let actual;383			let threw = false;384			try {385				retval = thrower();386			} catch (error) {387				actual = error;388				threw = true;389			}390			if (threw) {391				fail(this, new AssertionError({392					assertion: 'throwsAsync',393					message,394					values: [formatWithLabel('Function threw synchronously. Use `t.throws()` instead:', actual)]395				}));396				return Promise.resolve();397			}398			if (isPromise(retval)) {399				return handlePromise(retval, true);400			}401			fail(this, new AssertionError({402				assertion: 'throwsAsync',403				message,404				values: [formatWithLabel('Function returned:', retval)]405			}));406			return Promise.resolve();407		},408		notThrows(fn, message) {409			if (typeof fn !== 'function') {410				fail(this, new AssertionError({411					assertion: 'notThrows',412					improperUsage: true,413					message: '`t.notThrows()` must be called with a function',414					values: [formatWithLabel('Called with:', fn)]415				}));416				return;417			}418			try {419				fn();420			} catch (error) {421				fail(this, new AssertionError({422					assertion: 'notThrows',423					message,424					values: [formatWithLabel('Function threw:', error)]425				}));426				return;427			}428			pass(this);429		},430		notThrowsAsync(nonThrower, message) {431			if (typeof nonThrower !== 'function' && !isPromise(nonThrower)) {432				fail(this, new AssertionError({433					assertion: 'notThrowsAsync',434					improperUsage: true,435					message: '`t.notThrowsAsync()` must be called with a function or promise',436					values: [formatWithLabel('Called with:', nonThrower)]437				}));438				return Promise.resolve();439			}440			const handlePromise = (promise, wasReturned) => {441				// Record stack before it gets lost in the promise chain.442				const stack = getStack();443				const intermediate = promise.then(noop, reason => {444					throw new AssertionError({445						assertion: 'notThrowsAsync',446						message,447						stack,448						values: [formatWithLabel(`${wasReturned ? 'Returned promise' : 'Promise'} rejected with:`, reason)]449					});450				});451				pending(this, intermediate);452				// Don't reject the returned promise, even if the assertion fails.453				return intermediate.catch(noop);454			};455			if (isPromise(nonThrower)) {456				return handlePromise(nonThrower, false);457			}458			let retval;459			try {460				retval = nonThrower();461			} catch (error) {462				fail(this, new AssertionError({463					assertion: 'notThrowsAsync',464					message,465					values: [formatWithLabel('Function threw:', error)]466				}));467				return Promise.resolve();468			}469			if (!isPromise(retval)) {470				fail(this, new AssertionError({471					assertion: 'notThrowsAsync',472					message,473					values: [formatWithLabel('Function did not return a promise. Use `t.notThrows()` instead:', retval)]474				}));475				return Promise.resolve();476			}477			return handlePromise(retval, true);478		},479		snapshot(expected, optionsOrMessage, message) {480			const options = {};481			if (typeof optionsOrMessage === 'string') {482				message = optionsOrMessage;483			} else if (optionsOrMessage) {484				options.id = optionsOrMessage.id;485			}486			options.expected = expected;487			options.message = message;488			let result;489			try {490				result = this.compareWithSnapshot(options);491			} catch (error) {492				if (!(error instanceof snapshotManager.SnapshotError)) {493					throw error;494				}495				const improperUsage = {name: error.name, snapPath: error.snapPath};496				if (error instanceof snapshotManager.VersionMismatchError) {497					improperUsage.snapVersion = error.snapVersion;498					improperUsage.expectedVersion = error.expectedVersion;499				}500				fail(this, new AssertionError({501					assertion: 'snapshot',502					message: message || 'Could not compare snapshot',503					improperUsage504				}));505				return;506			}507			if (result.pass) {508				pass(this);509			} else if (result.actual) {510				fail(this, new AssertionError({511					assertion: 'snapshot',512					message: message || 'Did not match snapshot',513					values: [formatDescriptorDiff(result.actual, result.expected, {invert: true})]514				}));515			} else {516				fail(this, new AssertionError({517					assertion: 'snapshot',518					message: message || 'No snapshot available, run with --update-snapshots'519				}));520			}521		}522	};523	const enhancedAssertions = enhanceAssert(pass, fail, {524		truthy(actual, message) {525			if (!actual) {526				throw new AssertionError({527					assertion: 'truthy',528					message,529					operator: '!!',530					values: [formatWithLabel('Value is not truthy:', actual)]531				});532			}533		},534		falsy(actual, message) {535			if (actual) {536				throw new AssertionError({537					assertion: 'falsy',538					message,539					operator: '!',540					values: [formatWithLabel('Value is not falsy:', actual)]541				});542			}543		},544		true(actual, message) {545			if (actual !== true) {546				throw new AssertionError({547					assertion: 'true',548					message,549					values: [formatWithLabel('Value is not `true`:', actual)]550				});551			}552		},553		false(actual, message) {554			if (actual !== false) {555				throw new AssertionError({556					assertion: 'false',557					message,558					values: [formatWithLabel('Value is not `false`:', actual)]559				});560			}561		},562		regex(string, regex, message) {563			if (typeof string !== 'string') {564				throw new AssertionError({565					assertion: 'regex',566					improperUsage: true,567					message: '`t.regex()` must be called with a string',568					values: [formatWithLabel('Called with:', string)]569				});570			}571			if (!(regex instanceof RegExp)) {572				throw new AssertionError({573					assertion: 'regex',574					improperUsage: true,575					message: '`t.regex()` must be called with a regular expression',576					values: [formatWithLabel('Called with:', regex)]577				});578			}579			if (!regex.test(string)) {580				throw new AssertionError({581					assertion: 'regex',582					message,583					values: [584						formatWithLabel('Value must match expression:', string),585						formatWithLabel('Regular expression:', regex)586					]587				});588			}589		},590		notRegex(string, regex, message) {591			if (typeof string !== 'string') {592				throw new AssertionError({593					assertion: 'notRegex',594					improperUsage: true,595					message: '`t.notRegex()` must be called with a string',596					values: [formatWithLabel('Called with:', string)]597				});598			}599			if (!(regex instanceof RegExp)) {600				throw new AssertionError({601					assertion: 'notRegex',602					improperUsage: true,603					message: '`t.notRegex()` must be called with a regular expression',604					values: [formatWithLabel('Called with:', regex)]605				});606			}607			if (regex.test(string)) {608				throw new AssertionError({609					assertion: 'notRegex',610					message,611					values: [612						formatWithLabel('Value must not match expression:', string),613						formatWithLabel('Regular expression:', regex)614					]615				});616			}617		}618	});619	return Object.assign(assertions, enhancedAssertions);620}...

Using AI Code Generation

1var IntlPolyfill = require('intl');2var en = require('intl/locale-data/jsonp/en.js');3var fr = require('intl/locale-data/jsonp/fr.js');4var locales = ['en', 'fr'];5var localeData = {6};7locales.forEach(function (locale) {8  if (IntlPolyfill.__disableRegExpRestore) {9    IntlPolyfill.__disableRegExpRestore();10  }11  Intl.NumberFormat = IntlPolyfill.NumberFormat;12  Intl.NumberFormat.__addLocaleData(localeData[locale]);13});14var test = new Intl.NumberFormat('en', { style: 'currency', currency: 'USD' });15console.log(test.formatWithLabel(123456.789, 'USD'));16### `IntlPolyfill.__addLocaleData(localeData)`17var IntlPolyfill = require('intl');18var en = require('intl/locale-data/jsonp/en.js');19var fr = require('intl/locale-data/jsonp/fr.js');20var locales = ['en', 'fr'];21var localeData = {22};23locales.forEach(function (locale) {24  if (IntlPolyfill.__disableRegExpRestore) {25    IntlPolyfill.__disableRegExpRestore();26  }27  Intl.NumberFormat = IntlPolyfill.NumberFormat;28  Intl.NumberFormat.__addLocaleData(localeData[locale]);29});30var test = new Intl.NumberFormat('en', { style: 'currency', currency: 'USD' });31console.log(test.formatWithLabel(123456.789, 'USD'));32### `Intl.DateTimeFormat.supportedLocalesOf(locales[, options])`33var IntlPolyfill = require('intl');34var en = require('intl/locale-data/jsonp

Using AI Code Generation

1var dateFormat = require('dateformat');2console.log(dateFormat(new Date(), "dddd, mmmm dS, yyyy, h:MM:ss TT"));3var dateFormat = require('dateformat');4dateFormat.masks.hammerTime = 'HH:MM! "Can\'t touch this!"';5console.log(dateFormat(new Date(), "hammerTime"));6var dateFormat = require('dateformat');7dateFormat.masks.hammerTime = 'HH:MM! "Can\'t touch this!"';8console.log(dateFormat(new Date(), "hammerTime"));9var dateFormat = require('dateformat');10console.log(dateFormat(new Date(), "dddd, mmmm dS, yyyy, h:MM:ss TT Z"));

Using AI Code Generation

1const availableFormats = require('available-formats');2const formatWithLabel = availableFormats.formatWithLabel;3const format = availableFormats.format;4const date = new Date();5const options = {6};7const formattedDate = formatWithLabel('en-US', date, options);8console.log(formattedDate);9const availableFormats = require('available-formats');10const formatWithLabel = availableFormats.formatWithLabel;11const format = availableFormats.format;12const date = new Date();13const options = {14};15const formattedDate = format('en-US', date, options);16console.log(formattedDate);

Using AI Code Generation

1var stringFormatter = require('string-formatter');2var str = 'Hello {0} {1} {0}';3console.log(stringFormatter.formatWithLabel(str, {0: 'World', 1: '!!!'}));4var stringFormatter = require('string-formatter');5var str = 'Hello {0} {1} {0}';6console.log(stringFormatter.formatWithLabel(str, {0: 'World', 1: '!!!'}));7var stringFormatter = require('string-formatter');8var str = 'Hello {0} {1} {0}';9console.log(stringFormatter.formatWithLabel(str, {0: 'World', 1: '!!!'}));10var stringFormatter = require('string-formatter');11var str = 'Hello {0} {1} {0}';12console.log(stringFormatter.formatWithLabel(str, {0: 'World', 1: '!!!'}));13var stringFormatter = require('string-formatter');14var str = 'Hello {0} {1} {0}';15console.log(stringFormatter.formatWithLabel(str, {0: 'World', 1: '!!!'}));16var stringFormatter = require('string-formatter');17var str = 'Hello {0} {1} {0}';18console.log(stringFormatter.formatWithLabel(str, {0: 'World', 1: '!!!'}));19var stringFormatter = require('string-formatter');20var str = 'Hello {0} {1} {0}';21console.log(stringFormatter.formatWithLabel(str, {0: 'World', 1: '!!!'}));22var stringFormatter = require('string-formatter');23var str = 'Hello {0} {1} {0}';24console.log(stringFormatter.formatWithLabel(str, {0: 'World', 1: '!!!'}));25var stringFormatter = require('string-formatter');26var str = 'Hello {0} {1} {0}';

Using AI Code Generation

1var availableLocales = ["en-US", "en-GB", "de-DE"];2var label = "Country";3var value = "Germany";4var result = formatWithLabel(availableLocales, label, value);5console.log(result);6var supportedLocales = ["en", "de"];7var label = "Country";8var value = "Germany";9var result = formatWithLabel(supportedLocales, label, value);10console.log(result);11var availableLocales = ["en-US", "en-GB", "de-DE"];12var supportedLocales = ["en", "de"];13var label = "Country";14var value = "Germany";15var result = formatWithLabel(availableLocales, supportedLocales, label, value);16console.log(result);17    var availableLocales = ["en-US", "en-GB", "de-DE"];18    var supportedLocales = ["en", "de"];19    var label = "Country";20    var value = "Germany";21    var result = formatWithLabel(availableLocales, supportedLocales

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