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feat(command): generate lottery command & add basic functionality
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| import {Args, Command, Flags} from '@oclif/core' | ||
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| const generateUniqueNumbers = (count: number, min: number, max: number) => { | ||
| const numbers = new Set() | ||
| while (numbers.size < count) { | ||
| const num = Math.floor(Math.random() * (max - min + 1) + min) | ||
| numbers.add(num) | ||
| } | ||
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| return [...numbers] | ||
| } | ||
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| const generateLotteryNumbers = (lotteryType: string) => { | ||
| switch (lotteryType) { | ||
| case 'powerball': { | ||
| const mainNumbers = generateUniqueNumbers(5, 1, 69) | ||
| const powerballNumbers = generateUniqueNumbers(1, 1, 26) | ||
| return [...mainNumbers, ...powerballNumbers] | ||
| } | ||
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| case 'megamillions': { | ||
| const mainNumbers = generateUniqueNumbers(5, 1, 70) | ||
| const megaBallNumbers = generateUniqueNumbers(1, 1, 26) | ||
| return [...mainNumbers, megaBallNumbers] | ||
| } | ||
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| /* TODO: add all global lotteries here */ | ||
| default: { | ||
| throw new Error('Unsupported lottery type') | ||
| } | ||
| } | ||
| } | ||
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| export default class Lottery extends Command { | ||
| static override args = { | ||
| file: Args.string({description: 'file to read'}), | ||
| } | ||
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| static override description = 'Generate lottery numbers for major global lotteries' | ||
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| static override examples = [ | ||
| '<%= config.bin %> <%= command.id %> --type powerball', | ||
| '<%= config.bin %> <%= command.id %> --type megamillions', | ||
| ] | ||
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| static override flags = { | ||
| type: Flags.string({char: 't', description: 'type of lottery', required: true}), | ||
| } | ||
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| public async run(): Promise<void> { | ||
| const {flags} = await this.parse(Lottery) | ||
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| const lotteryType = flags.type | ||
| try { | ||
| const numbers = generateLotteryNumbers(lotteryType) | ||
| const numString = numbers.join(', ') | ||
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| const art = ` | ||
| ______ | ||
| /\\ o o o\\ | ||
| /o \\ o o o\\_______ | ||
| < >------> o /| | ||
| \\ o/ o /_____/o| | ||
| \\/______/ |oo| | ||
| | o |o/ | ||
| |_______|/ | ||
| Here are your ${lotteryType} numbers: ${numString} | ||
| ` | ||
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| this.log(art) | ||
| } catch (error: any) { | ||
| this.error(error.message) | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| import {Args, Command, Flags} from '@oclif/core' | ||
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| export default class Lottery extends Command { | ||
| static override args = { | ||
| file: Args.string({description: 'file to read'}), | ||
| } | ||
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| static override description = 'describe the command here' | ||
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| static override examples = [ | ||
| '<%= config.bin %> <%= command.id %>', | ||
| ] | ||
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| static override flags = { | ||
| // flag with no value (-f, --force) | ||
| force: Flags.boolean({char: 'f'}), | ||
| // flag with a value (-n, --name=VALUE) | ||
| name: Flags.string({char: 'n', description: 'name to print'}), | ||
| } | ||
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| public async run(): Promise<void> { | ||
| const {args, flags} = await this.parse(Lottery) | ||
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| const name = flags.name ?? 'world' | ||
| this.log(`hello ${name} from /Users/bittricky/Projects/lottery-cli/src/commands/lottery.ts`) | ||
| if (args.file && flags.force) { | ||
| this.log(`you input --force and --file: ${args.file}`) | ||
| } | ||
| } | ||
| } |