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How to use isSelector method in ng-mocks

Best JavaScript code snippet using ng-mocks

Regex.js

Source:Regex.js

1/**2 * ==========================3 * @description Regular expression implementation. Used for defining templated identifiers in constrains, as well as in pushing trie algorithm.4 * ==========================5 *6 * @author  Evgeny Savelyev7 * @since   19.01.188 * @version 1.0.09 * @license See the LICENCE file in the project root.10 */11"use strict";12function compileString(str, index, openMarker) {13    const part = new RegexPart(null);14    let prevSubpart = null;15    if (openMarker === "[") {16        part.isSelector = true;17    }18    for (; index.ind < str.length; index.ind += 1) {19        switch (str[index.ind]) {20        case "\\":21            index.ind += 1;22            switch (str[index.ind]) {23            case "(":24            case ")":25            case "[":26            case "]":27            case "*":28            case "+":29            case "\\":30                part.subparts.push(new RegexPart(str[index.ind]));31                break;32            default:33                throw new Error(`Regex error: bad character after '\\' symbol in regex "${str}" (position ${index.ind - 1})`);34            }35            break;36        case ")":37            if (openMarker !== "(") {38                throw new Error(`Regex error: unexpected ')' in regex "${str}" (position ${index.ind})`);39            }40            return part;41        case "]":42            if (openMarker !== "[") {43                throw new Error(`Regex error: unexpected ')' in regex "${str}" (position ${index.ind})`);44            }45            return part;46        case "(":47            index.ind += 1;48            part.subparts.push(compileString(str, index, "("));49            break;50        case "[":51            index.ind += 1;52            part.subparts.push(compileString(str, index, "["));53            break;54        case "*":55            if (part.subparts.length === 0) {56                throw new Error(`Regex error: unexpected '*' in regex "${str}" (position ${index.ind})`);57            }58            prevSubpart = part.subparts[part.subparts.length - 1];59            if (prevSubpart.isClosed) {60                throw new Error(`Regex error: unexpected '*' in regex "${str}" (position ${index.ind})`);61            }62            prevSubpart.isClosed = true;63            break;64        case "+":65            if (part.subparts.length === 0) {66                throw new Error(`Regex error: unexpected '+' in regex "${str}" (position ${index.ind})`);67            }68            prevSubpart = part.subparts[part.subparts.length - 1];69            if (prevSubpart.isClosed) {70                throw new Error(`Regex error: unexpected '+' in regex "${str}" (position ${index.ind})`);71            }72            part.subparts.push(prevSubpart.getCopy());73            part.subparts[part.subparts.length - 1].isClosed = true;74            break;75        default:76            part.subparts.push(new RegexPart(str[index.ind]));77        }78    }79    if (openMarker !== null) {80        throw new Error(`Regex error: unclosed '${openMarker}' in regex "${str}"`);81    }82    return part;83}84/**85 * @class86 * @classdesc Regular expression implementation. Used for defining templated identifiers in constrains, as well as in pushing trie algorithm.87 *88 * @property {string} str regex string representation89 * @property {RegexPart} rootPart root part of compiled regular expression90 * @property {Set<symbol>} firstSet set of symbols regular expression can start with91 */92class Regex {93    constructor(regexString) {94        if (typeof regexString === "string") {95            this.rootPart = compileString(regexString, { ind : 0 }, null);96            this.str      = regexString;97        } else { /* For internal usage only */98            this.rootPart = regexString;99            this.str = this.rootPart.toString();100        }101        this.firstSet = this.rootPart.getFirstSet();102    }103    firstSymbolMatches(symbol) {104        return this.firstSet.has(symbol);105    }106    detachFirstSymbol(symbol) {107        return new Regex(this.rootPart.detachFirstSymbol(symbol));108    }109    isEmpty() {110        return this.str.length === 0;111    }112    toString() {113        return this.str;114    }115}116/**117 * @class118 * @classdesc Regular expression part. Constructs recursively.119 *120 * @property {symbol|null} symbol either symbol (then it is not recursive part) or null (then it is recursive defined by subparts)121 * @property {RegexPart[]} subparts subparts (not used whether symbol is not null)122 * @property {boolean} isClosed whether part is of the form "(...)*"123 * @property {boolean} isSelector whether part is of the form "[...]"124 */125class RegexPart {126    constructor(symbol) {127        this.symbol     = symbol;128        this.subparts   = [];129        this.isClosed   = false;130        this.isSelector = false;131    }132    /**133     * @desc Returns a set of symbols regex part can start with134     *135     * @returns {Set<symbol>} set of symbols part can begin with136     */137    getFirstSet() {138        const set = new Set();139        if (this.symbol !== null) {140            set.add(this.symbol);141        } else {142            for (const subpart of this.subparts) {143                const subset = subpart.getFirstSet();144                for (const symbol of subset) {145                    set.add(symbol);146                }147                if (!this.isSelector && !subpart.isClosed) {148                    break;149                }150            }151        }152        return set;153    }154    getWithoutFirstSubpart() {155        const res = new RegexPart(this.symbol);156        for (let i = 1; i < this.subparts.length; i += 1) {157            res.subparts.push(this.subparts[i].getCopy());158        }159        res.isClosed   = this.isClosed;160        res.isSelector = this.isSelector;161        return res;162    }163    detachFirstSymbol(symbol) {164        let curState = this;165        while (curState.subparts.length > 0) {166            const [subpart] = curState.subparts;167            if (subpart.getFirstSet().has(symbol)) {168                if (subpart.symbol !== null) {169                    return subpart.isClosed ? curState.getCopy() : curState.getWithoutFirstSubpart();170                } else {171                    let detachedSubpart = null;172                    if (subpart.isSelector) {173                        let i = 0;174                        for (; i < subpart.subparts.length; i += 1) {175                            if (subpart.subparts[i].getFirstSet().has(symbol)) {176                                break;177                            }178                        }179                        if (i === subpart.subparts.length) {180                            throw new Error(`'${symbol}' can not be attached from regex "${this.toString()}"`);181                        }182                        detachedSubpart = subpart.subparts[i];183                    } else {184                        detachedSubpart = subpart.detachFirstSymbol(symbol);185                    }186                    const res = new RegexPart(curState.symbol);187                    res.isClosed   = false;188                    res.isSelector = false;189                    res.subparts.push(detachedSubpart);190                    if (curState.isClosed) {191                        res.subparts.push(subpart.getCopy());192                    }193                    for (let i = 1; i < curState.subparts.length; i += 1) {194                        res.subparts.push(curState.subparts[i].getCopy());195                    }196                    curState = res;197                }198            } else if (subpart.isClosed) {199                curState = curState.getWithoutFirstSubpart();200            } else {201                throw new Error(`'${symbol}' can not be attached from regex "${this.toString()}"`);202            }203        }204        throw new Error(`'${symbol}' can not be attached from regex "${this.toString()}"`);205    }206    getCopy() {207        const copy = new RegexPart(this.symbol);208        for (const subpart of this.subparts) {209            copy.subparts.push(subpart.getCopy());210        }211        copy.isClosed   = this.isClosed;212        copy.isSelector = this.isSelector;213        return copy;214    }215    toString() {216        if (this.symbol !== null) {217            let prefix = "";218            if (this.symbol === "(" ||219                this.symbol === ")" ||220                this.symbol === "[" ||221                this.symbol === "]" ||222                this.symbol === "*" ||223                this.symbol === "+" ||224                this.symbol === "\\") {225                prefix = "\\";226            }227            return prefix + this.symbol + (this.isClosed ? "*" : "");228        }229        let res = "";230        if (this.isSelector) {231            res += "[";232        }233        for (const subpart of this.subparts) {234            res += subpart.symbol === null && !subpart.isSelector ? "(" + subpart.toString() + ")" : subpart.toString();235        }236        if (this.isSelector) {237            res += "]";238        }239        return res + (this.isClosed ? "*" : "");240    }241}...

helpers.js

Source:helpers.js

1module.exports = {2    3    click: async function(page, selector, opts={}, isSelector=true) {4        try {5            if(isSelector) {6                await page.waitForSelector(selector)7            } else {8                await page.waitForXPath(selector)9            }10            await page.click(selector, opts)11        } catch (error) {12            throw new Error(`Error to try click in element: ${selector}`)13        }14    },15    16    doubleCLick: async function(page, selector) {17        try {18            await page.waitForSelector(selector)19            await page.click(selector, {clickCount:2})20        } catch (error) {21            throw new Error(`Error to try doubleClick in element: ${selector}`)22        }23    },24    rightClick: async function(page, selector, isSelector=true) {25        try {26            if(isSelector) {27                await page.waitForSelector(selector)28            } else {29                await page.waitForXPath(selector)30            }31            await page.click(selector, {button:'right'})32        } catch (error) {33            throw new Error(`Error to try rightClick in element: ${selector}`)34        }35    },36    getText: async function(page, selector, isSelector=true) {37        try {38            if(isSelector) {39                await page.waitForSelector(selector)40                return await page.$eval(selector, (e)=>e.textContent)41            } else {42                const data = await page.waitForXPath(selector)43                return await page.evaluate((text) => text.textContent, data)44            }45        } catch (error) {46            throw new Error(`Error to geting text in element: ${selector}`)47        }48    },49    setText: async function(page, selector, text, opts={}, isSelector=true) {50        try {51            if(isSelector) {52                await page.waitForSelector(selector)53            } else {54                await page.waitForXPath(selector)55            }56            return await page.type(selector, text, opts)57        } catch (error) {58            throw new Error(`Error to seting text in element: ${selector}`)59        }60    },61    getCount: async function(page, selector, isSelector=true) {62        try {63            if(isSelector) {64                await page.waitForSelector(selector)65            } else {66                await page.waitForXPath(selector)67            }68            return await page.$$eval(selector, (e)=>e.length)69        } catch (error) {70            throw new Error(`Error to geting count in element: ${selector}`)71        }72    },73    selectCombo: async function(page, selector, op, isSelector=true) {74        try {75            if(isSelector) {76                await page.waitForSelector(selector)77            } else {78                await page.waitForXPath(selector)79            }80            return await page.select(selector, op)81        } catch (error) {82            throw new Error(`Error to geting count in element: ${selector}`)83        }84    }...

selectors.ts

Source:selectors.ts

...8	isIdSelector = isSelector<IdSelector>('#'),9	idSelector = asSelector<IdSelector>('#', isIdSelector);10function isSelector<T extends string>(regexPrefix: string) {11	const prefixRX = new RegExp(String.raw`^(${regexPrefix}[\w-_]*)?$`);12	return function isSelector(selector: string): selector is T {13		return typeof selector === 'string' && !!selector.match(prefixRX);14	};15}16function asSelector<T extends string>(17	prefix: string,18	isSelector: (selector: string) => selector is T19) {20	return function asSelector(selector: string): T {21		if (isSelector(selector)) {22			return selector;23		}24		selector = selector.trim().replace(/[^\w-_]/g, '-');25		selector = prefix + (selector[0] === '-' ? selector.substr(1) : selector);26		if (!isSelector(selector)) {27			throw new Error('Conversion to class selector failed');28		}29		return selector;30	};31}32function joinSelectors<T extends string>(33	prefix: string,34	createSelector: (selector: string) => T35) {36	return function joinSelectors(...selectors: string[]) {37		return selectors.map(selector => createSelector(selector)).join('') as T;38	};...

Using AI Code Generation

1import { isSelector } from 'ng-mocks';2import { Component, NgModule } from '@angular/core';3import { TestBed } from '@angular/core/testing';4@Component({5})6class TestComponent {}7@NgModule({8})9class TestModule {}10describe('isSelector', () => {11  beforeEach(() => {12    TestBed.configureTestingModule({ imports: [TestModule] });13  });14  it('should return true for selector', () => {15    expect(isSelector('test-component')).toBe(true);16  });17});18import { isComponent } from 'ng-mocks';19import { Component, NgModule } from '@angular/core';20import { TestBed } from '@angular/core/testing';21@Component({22})23class TestComponent {}24@NgModule({25})26class TestModule {}27describe('isComponent', () => {28  beforeEach(() => {29    TestBed.configureTestingModule({ imports: [TestModule] });30  });31  it('should return true for component', () => {32    expect(isComponent(TestComponent)).toBe(true);33  });34});35import { isDirective } from 'ng-mocks';36import { Component, Directive, NgModule } from '@angular/core';37import { TestBed } from '@angular/core/testing';38@Component({39})40class TestComponent {}41@Directive({42})43class TestDirective {}44@NgModule({45})46class TestModule {}47describe('isDirective', () => {48  beforeEach(() => {49    TestBed.configureTestingModule({ imports: [TestModule] });

Using AI Code Generation

1import { isSelector } from 'ng-mocks';2describe('TestComponent', () => {3  it('should test isSelector method', () => {4    expect(isSelector('test')).toBe(true);5    expect(isSelector('test-test')).toBe(true);6    expect(isSelector('test-test-test')).toBe(true);7    expect(isSelector('test-test-test-test')).toBe(true);8    expect(isSelector('test-test-test-test-test')).toBe(true);9    expect(isSelector('test-test-test-test-test-test')).toBe(true);10    expect(isSelector('test-test-test-test-test-test-test')).toBe(true);11    expect(isSelector('test-test-test-test-test-test-test-test')).toBe(true);12    expect(isSelector('test-test-test-test-test-test-test-test-test')).toBe(true);13    expect(isSelector('test-test-test-test-test-test-test-test-test-test')).toBe(true);14    expect(isSelector('test-test-test-test-t

Using AI Code Generation

1import { isSelector } from 'ng-mocks';2describe('MyComponent', () => {3  it('should work', () => {4    expect(isSelector('div')).toBe(true);5    expect(isSelector('div#id')).toBe(true);6    expect(isSelector('div.class')).toBe(true);7    expect(isSelector('div#id.class')).toBe(true);8    expect(isSelector('div.class#id')).toBe(true);9    expect(isSelector('div > div')).toBe(true);10    expect(isSelector('div > div > div')).toBe(true);11    expect(isSelector('div > div + div')).toBe(true);12    expect(isSelector('div ~ div')).toBe(true);13    expect(isSelector('div ~ div ~ div')).toBe(true);14    expect(isSelector('div + div ~ div')).toBe(true);15    expect(isSelector('div ~ div + div')).toBe(true);16    expect(isSelector('div + div + div')).toBe(true);17    expect(isSelector('div')).toBe(true);18    expect(isSelector('div#id')).toBe(true);19    expect(isSelector('div.class')).toBe(true);20    expect(isSelector('div#id.class')).toBe(true);21    expect(isSelector('div.class#id')).toBe(true);22    expect(isSelector('div > div')).toBe(true);23    expect(isSelector('div > div > div')).toBe(true);24    expect(isSelector('div > div + div')).toBe(true);25    expect(isSelector('div ~ div')).toBe(true);26    expect(isSelector('div ~ div ~ div')).toBe(true);27    expect(isSelector('div + div ~ div')).toBe(true);28    expect(isSelector('div ~ div + div')).toBe(true);29    expect(isSelector('div + div + div')).toBe(true);30    expect(isSelector('div')).toBe(true);31    expect(isSelector('div#id')).toBe(true);32    expect(isSelector('div.class')).toBe(true);33    expect(isSelector('div#id.class')).toBe(true);34    expect(isSelector('div.class#id')).toBe(true);35    expect(isSelector('div > div')).toBe(true);36    expect(isSelector('div > div > div')).toBe(true);37    expect(isSelector('div > div + div')).toBe(true);38    expect(isSelector('div ~ div')).toBe(true);39    expect(isSelector('div ~ div ~ div')).toBe(true);

Using AI Code Generation

1import { isSelector } from 'ng-mocks';2const isSelector = isSelector('my-selector');3import { isSelector } from 'ng-mocks';4const isSelector = isSelector('my-selector');5import { isSelector } from 'ng-mocks';6describe('my-selector', () => {7  it('should be a selector', () => {8    expect(isSelector('my-selector')).toEqual(true);9  });10});11import { isSelector } from 'ng-mocks';12describe('my-selector', () => {13  it('should be a selector', () => {14    expect(isSelector('my-selector')).toEqual(true);15  });16});

Using AI Code Generation

1import { isSelector } from 'ng-mocks';2const element = isSelector('div') ? 'div' : 'span';3import { isSelector } from 'ng-mocks';4const element = isSelector('div') ? 'div' : 'span';5const isSelector = require('ng-mocks').isSelector;6const element = isSelector('div') ? 'div' : 'span';7import { isSelector } from 'ng-mocks';8const element = isSelector('div') ? 'div' : 'span';9import { isSelector } from 'ng-mocks';10const element = isSelector('div') ? 'div' : 'span';11const isSelector = require('ng-mocks').isSelector;12const element = isSelector('div') ? 'div' : 'span';13import { isSelector } from 'ng-mocks';14const element = isSelector('div') ? 'div' : 'span';15const isSelector = require('ng-mocks').isSelector;16const element = isSelector('div') ? 'div' : 'span';17import { isSelector } from 'ng-mocks';18const element = isSelector('div') ?

Using AI Code Generation

1it('should return true if the selector is found', () => {2  const fixture = createComponent(MyComponent);3  expect(isSelector(fixture, 'div')).toBe(true);4});5it('should return false if the selector is not found', () => {6  const fixture = createComponent(MyComponent);7  expect(isSelector(fixture, 'a')).toBe(false);8});9it('should return true if the selector is found', () => {10  const fixture = createComponent(MyComponent);11  expect(isSelector(fixture, 'div')).toBe(true);12});13it('should return false if the selector is not found', () => {14  const fixture = createComponent(MyComponent);15  expect(isSelector(fixture, 'a')).toBe(false);16});17it('should return true if the selector is found', () => {18  const fixture = createComponent(MyComponent);19  expect(isSelector(fixture, 'div')).toBe(true);20});21it('should return false if the selector is not found', () => {22  const fixture = createComponent(MyComponent);23  expect(isSelector(fixture, 'a')).toBe(false);24});25it('should return true if the selector is found', () => {26  const fixture = createComponent(MyComponent);27  expect(isSelector(fixture, 'div')).toBe(true);28});29it('should return false if the selector is not found', () => {30  const fixture = createComponent(MyComponent);31  expect(isSelector(fixture, 'a')).toBe(false);32});33it('should return true if the selector is found', () => {34  const fixture = createComponent(MyComponent);35  expect(isSelector(fixture, 'div')).toBe(true);36});37it('should return false if the selector is

Using AI Code Generation

1import { isSelector } from 'ng-mocks';2const selector = 'app-root';3const isSelectorValid = isSelector(selector);4console.log(isSelectorValid);5import { isSelector } from 'ng-mocks';6const selector = 'app-root';7const isSelectorValid = isSelector(selector);8console.log(isSelectorValid);9import { isSelector } from 'ng-mocks';10const selector = 'app-root';11const isSelectorValid = isSelector(selector);12console.log(isSelectorValid);13import { isSelector } from 'ng-mocks';14const selector = 'app-root';15const isSelectorValid = isSelector(selector);16console.log(isSelectorValid);17import { isSelector } from 'ng-mocks';18const selector = 'app-root';19const isSelectorValid = isSelector(selector);20console.log(isSelectorValid);

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