33 lines
912 B
JavaScript
33 lines
912 B
JavaScript
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#!/usr/bin/env node
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/**
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*
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* @param {latestVersion} latestVersion
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* @param {minus} minus
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* @returns {String} the minused version.
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*/
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function getLatestMinusVersion( latestVersion, minus ) {
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// Convert the 1 or 2 to a decimal we can use for the logic below.
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let minusAmount = minus / 10;
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// Check if we only have a major / minor (e.g. x.x) to append a patch version
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if ( latestVersion.match( /\./g ).length < 2 ) {
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latestVersion = latestVersion.concat( '.0' )
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}
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const baseVersion = latestVersion.replace( /.[^\.]$/, '' );
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// Calculate the version we need and return.
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console.info( String( baseVersion - minusAmount ) );
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process.exit( 0 );
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}
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const latestVersion = process.argv[2];
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const minus = process.argv[3];
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if ( ! latestVersion || ! minus ) {
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console.error( 'Usage: get-previous-version.js <latestVersion> <minus>' );
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process.exit( 1 );
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}
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getLatestMinusVersion( latestVersion, minus );
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