Best JavaScript code snippet using root
semver.ts
Source:semver.ts
1/* @internal */2namespace ts {3 function stringToInt(str: string): number {4 const n = parseInt(str, 10);5 if (isNaN(n)) {6 throw new Error(`Error in parseInt(${JSON.stringify(str)})`);7 }8 return n;9 }1011 const isPrereleaseRegex = /^(.*)-next.\d+/;12 const prereleaseSemverRegex = /^(\d+)\.(\d+)\.0-next.(\d+)$/;13 const semverRegex = /^(\d+)\.(\d+)\.(\d+)$/;1415 export class Semver {16 static parse(semver: string): Semver {17 const isPrerelease = isPrereleaseRegex.test(semver);18 const result = Semver.tryParse(semver, isPrerelease);19 if (!result) {20 throw new Error(`Unexpected semver: ${semver} (isPrerelease: ${isPrerelease})`);21 }22 return result;23 }2425 static fromRaw({ major, minor, patch, isPrerelease }: Semver): Semver {26 return new Semver(major, minor, patch, isPrerelease);27 }2829 // This must parse the output of `versionString`.30 private static tryParse(semver: string, isPrerelease: boolean): Semver | undefined {31 // Per the semver spec <http://semver.org/#spec-item-2>:32 // "A normal version number MUST take the form X.Y.Z where X, Y, and Z are non-negative integers, and MUST NOT contain leading zeroes."33 const rgx = isPrerelease ? prereleaseSemverRegex : semverRegex;34 const match = rgx.exec(semver);35 return match ? new Semver(stringToInt(match[1]), stringToInt(match[2]), stringToInt(match[3]), isPrerelease) : undefined;36 }3738 private constructor(39 readonly major: number, readonly minor: number, readonly patch: number,40 /**41 * If true, this is `major.minor.0-next.patch`.42 * If false, this is `major.minor.patch`.43 */44 readonly isPrerelease: boolean) { }4546 get versionString(): string {47 return this.isPrerelease ? `${this.major}.${this.minor}.0-next.${this.patch}` : `${this.major}.${this.minor}.${this.patch}`;48 }4950 equals(sem: Semver): boolean {51 return this.major === sem.major && this.minor === sem.minor && this.patch === sem.patch && this.isPrerelease === sem.isPrerelease;52 }5354 greaterThan(sem: Semver): boolean {55 return this.major > sem.major || this.major === sem.major56 && (this.minor > sem.minor || this.minor === sem.minor57 && (!this.isPrerelease && sem.isPrerelease || this.isPrerelease === sem.isPrerelease58 && this.patch > sem.patch));59 }60 }
...
utilities.test.ts
Source:utilities.test.ts
1import {isPrerelease, getTagFromArgs} from './utilities';2describe('isPrerelease', () => {3 it('should return false for non-suffixed versions', () => {4 expect(isPrerelease('1.0.0')).toBeFalsy();5 expect(isPrerelease('0.0.0')).toBeFalsy();6 expect(isPrerelease('1231231.12312319067.8543450')).toBeFalsy();7 });8 it('should return true for suffixed versions', () => {9 expect(isPrerelease('1.0.0-x.0')).toBeTruthy();10 expect(isPrerelease('0.0.2-rc')).toBeTruthy();11 expect(isPrerelease('5.2.17-next.123asdcq24raq2')).toBeTruthy();12 expect(isPrerelease('12.8.3-preview.85')).toBeTruthy();13 });14});15describe('getTagFromArgs', () => {16 it('should return undefined if no dist-tag set', () => {17 expect(getTagFromArgs()).toBeUndefined();18 expect(19 getTagFromArgs(['--registry', 'https://registry.npmjs.org/']),20 ).toBeUndefined();21 expect(getTagFromArgs(['--foo', 'bar', '--baz', 'buzz'])).toBeUndefined();22 expect(getTagFromArgs(['--tag'])).toBeUndefined();23 expect(getTagFromArgs(['--tag', 'latest'])).toBeUndefined();24 expect(getTagFromArgs(['--tag=latest'])).toBeUndefined();25 });26 it('should return the next item in the args array if tag is set', () => {27 expect(getTagFromArgs(['--tag=next'])).toEqual('next');28 expect(getTagFromArgs(['--tag', 'next'])).toEqual('next');29 expect(30 getTagFromArgs(['--foo', 'bar', '--tag', 'preview', '--baz', 'buzz']),31 ).toEqual('preview');32 });...
Using AI Code Generation
1const { isPreRelease } = require('package-name');2console.log(isPreRelease());3const { isPreRelease } = require('package-name/child-package');4console.log(isPreRelease());5const { isPreRelease } = require('package-name/lib/child-package');6console.log(isPreRelease());
Using AI Code Generation
1var semver = require('semver');2var version = '1.2.3-4';3console.log('Is pre-release version: ' + semver.isPreRelease(version));4Related Posts: Node.js - semver.validRange() Method5Node.js - semver.valid() Method6Node.js - semver.inc() Method7Node.js - semver.patch() Method8Node.js - semver.prerelease() Method9Node.js - semver.major() Method10Node.js - semver.minor() Method11Node.js - semver.satisfies() Method12Node.js - semver.valid() Method13Node.js - semver.clean() Method14Node.js - semver.coerce() Method15Node.js - semver.rcompare() Method16Node.js - semver.lt() Method17Node.js - semver.eq() Method18Node.js - semver.gt() Method
Using AI Code Generation
1var version = require('version');2var isPreRelease = version.isPreRelease;3var isPreRelease = require('version').isPreRelease;4var isPreRelease = require('version/isPreRelease');5var isPreRelease = require('./isPreRelease');6exports.isPreRelease = isPreRelease;7var semver = require('semver');8var isPreRelease = function(version) {9 return semver.satisfies(version, '0.x.x');10};11module.exports = isPreRelease;
Using AI Code Generation
1const { isPreRelease } = require('package-name');2isPreRelease();3const { isPreRelease } = require('package-name/sub-package');4isPreRelease();5const { isPreRelease } = require('package-name/sub-package');6isPreRelease();7const { isPreRelease } = require('package-name/sub-package');8isPreRelease();9const { isPreRelease } = require('package-name/sub-package');10isPreRelease();11const { isPreRelease } = require('package-name/sub-package');12isPreRelease();13const { isPreRelease } = require('package-name/sub-package');14isPreRelease();15const { isPreRelease } = require('package-name/sub-package');16isPreRelease();17const { isPreRelease } = require('package-name/sub-package');18isPreRelease();19const { isPreRelease } = require('package-name/sub-package');20isPreRelease();21const { isPreRelease } = require('package-name/sub-package');22isPreRelease();23const { isPreRelease } = require('package-name/sub-package');24isPreRelease();25const { isPreRelease } = require('package-name/sub-package');26isPreRelease();27const { isPreRelease } = require('package-name/sub-package');28isPreRelease();
Using AI Code Generation
1const isPreRelease = require('is-prerelease');2const isPreRelease = require('@org/is-prerelease');3const isPreRelease = require('@org/is-prerelease');4const isPreRelease = require('@org/is-prerelease');5const isPreRelease = require('@org/is-prerelease');6const isPreRelease = require('@org/is-prerelease');7const isPreRelease = require('@org/is-prerelease');8const isPreRelease = require('@org/is-prerelease');9const isPreRelease = require('@org/is-prerelease');10const isPreRelease = require('@org/is-prerelease');11const isPreRelease = require('@org/is-prerelease');12const isPreRelease = require('@org/is-prerelease');13const isPreRelease = require('@org/is-prerelease');
Using AI Code Generation
1const { isPreRelease } = require('@kbn/dev-utils');2const preRelease = isPreRelease();3console.log(`preRelease: ${preRelease}`);4{5 "scripts": {6 }7}8or more contributor license agreements. Licensed under the Elastic License;
Using AI Code Generation
1var semver = require('semver');2var version = '1.0.0-rc.1';3console.log(semver.isPreRelease(version));4var semver = require('semver');5var version = '1.0.0-rc.1';6console.log(semver.prerelease(version));7var semver = require('semver');8var version = '1.0.0+build.1';9console.log(semver.build(version));10var semver = require('semver');11var version = '1.0.0+build.1';12console.log(semver.major(version));13var semver = require('semver');14var version = '1.0.0+build.1';15console.log(semver.minor(version));16var semver = require('semver');17var version = '1.0.0+build.1';18console.log(semver.patch(version));
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