33 lines
767 B
JavaScript
33 lines
767 B
JavaScript
'use strict';
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var path = require('path');
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function replaceExt(npath, ext) {
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if (typeof npath !== 'string') {
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return npath;
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}
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if (npath.length === 0) {
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return npath;
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}
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var nFileName = path.basename(npath, path.extname(npath)) + ext;
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var nFilepath = path.join(path.dirname(npath), nFileName);
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// Because `path.join` removes the head './' from the given path.
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// This removal can cause a problem when passing the result to `require` or
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// `import`.
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if (startsWithSingleDot(npath)) {
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return '.' + path.sep + nFilepath;
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}
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return nFilepath;
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}
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function startsWithSingleDot(fpath) {
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var first2chars = fpath.slice(0, 2);
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return (first2chars === '.' + path.sep) ||
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(first2chars === './');
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}
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module.exports = replaceExt;
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