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40 lines
684 B
TypeScript
40 lines
684 B
TypeScript
/**
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Check if [`argv`](https://nodejs.org/docs/latest/api/process.html#process_process_argv) has a specific flag.
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@param flag - CLI flag to look for. The `--` prefix is optional.
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@param argv - CLI arguments. Default: `process.argv`.
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@returns Whether the flag exists.
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@example
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```
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// $ ts-node foo.ts -f --unicorn --foo=bar -- --rainbow
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// foo.ts
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import hasFlag = require('has-flag');
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hasFlag('unicorn');
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//=> true
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hasFlag('--unicorn');
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//=> true
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hasFlag('f');
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//=> true
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hasFlag('-f');
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//=> true
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hasFlag('foo=bar');
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//=> true
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hasFlag('foo');
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//=> false
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hasFlag('rainbow');
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//=> false
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```
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*/
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declare function hasFlag(flag: string, argv?: string[]): boolean;
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export = hasFlag;
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