24 lines
789 B
JavaScript
24 lines
789 B
JavaScript
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var path = require('path');
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var slash = require('slash');
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/**
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* Creates a string that can be prepended to a file path that needs to resolve to the root.
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* @param {string} page - Path to the page.
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* @param {string} root - Path to the page root.
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* @returns {string} An empty string if the page is at the root, or a series of `../` characters if the page is in a subdirectory relative to the root.
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*/
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module.exports = function(page, root) {
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var pagePath = path.dirname(page);
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var rootPath = path.join(process.cwd(), root);
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var relativePath = path.relative(pagePath, rootPath);
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if (relativePath.length > 0) {
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relativePath += '/';
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}
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// On Windows, paths are separated with a "\"
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// However, web browsers use "/" no matter the platform
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return slash(relativePath);
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}
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