69 lines
1.4 KiB
JavaScript
69 lines
1.4 KiB
JavaScript
var path = require('path');
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function includeParents(dirs, opts) {
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var topLevels;
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var bottomLevels = 0;
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var topPath = [];
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var bottomPath = [];
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var newPath = [];
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if (Array.isArray(opts)) {
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topLevels = Math.abs(opts[0]);
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bottomLevels = Math.abs(opts[1]);
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} else if (opts >= 0) {
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topLevels = opts;
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} else {
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bottomLevels = Math.abs(opts);
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}
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if (topLevels + bottomLevels > dirs.length) {
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return dirs;
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}
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while (topLevels > 0) {
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topPath.push(dirs.shift());
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topLevels--;
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}
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while (bottomLevels > 0) {
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bottomPath.unshift(dirs.pop());
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bottomLevels--;
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}
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return topPath.concat(bottomPath);
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}
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function subPath(dirs, opts) {
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if (Array.isArray(opts)) {
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return dirs.slice(opts[0], opts[1]);
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} else {
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return dirs.slice(opts);
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}
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}
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/**
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* Flatten the path to the desired depth
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*
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* @param {File} file - vinyl file
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* @param {Object} options
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* @return {String}
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*/
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function flattenPath(file, opts) {
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var fileName = path.basename(file.path);
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var dirs;
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if (!opts.includeParents && !opts.subPath) {
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return fileName;
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}
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dirs = path.dirname(file.relative).split(path.sep);
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if (opts.includeParents) {
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dirs = includeParents(dirs, opts.includeParents);
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}
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if (opts.subPath) {
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dirs = subPath(dirs, opts.subPath);
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}
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dirs.push(fileName);
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return path.join.apply(path, dirs);
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}
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module.exports = flattenPath
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