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62 lines
1.5 KiB
TypeScript
62 lines
1.5 KiB
TypeScript
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// Loaded from https://deno.land/x/cliffy@v0.12.1/packages/flags/lib/normalize.ts
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/**
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* Normalize command line arguments.
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*
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* @param args Command line arguments e.g: `Deno.args`
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*/
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export function normalize( args: string[] ) {
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const normalized = [];
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let inLiteral = false;
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for ( const arg of args ) {
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if ( inLiteral ) {
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normalized.push( arg );
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} else if ( arg === '--' ) {
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inLiteral = true;
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normalized.push( arg );
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} else if ( arg[ 0 ] === '-' ) {
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const isLong = arg[ 1 ] === '-';
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if ( arg.includes( '=' ) ) {
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const parts = arg.split( '=' );
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const flag = parts.shift() as string;
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if ( isLong ) {
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normalized.push( flag );
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} else {
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normalizeShortFlags( flag );
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}
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normalized.push( parts.join( '=' ) );
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} else if ( isLong ) {
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normalized.push( arg );
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} else {
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normalizeShortFlags( arg );
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}
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} else {
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normalized.push( arg );
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}
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}
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return normalized;
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function normalizeShortFlags( flag: string ): void {
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const flags = flag.slice( 1 ).split( '' );
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if ( isNaN( flag[ flag.length - 1 ] as any ) ) {
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flags.forEach( val => normalized.push( `-${ val }` ) );
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} else {
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normalized.push( `-${ flags.shift() }` );
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normalized.push( flags.join( '' ) );
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}
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}
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}
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