48 lines
908 B
JavaScript
48 lines
908 B
JavaScript
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function keyIsFolder(key) {
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return key ? !!key.match(/\/$/) : false;
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}
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function keyPartsForKey(key) {
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if (!key) {
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return null;
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}
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var isFolder = keyIsFolder(key);
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var parts = key.split('/');
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if (isFolder) {
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parts.pop();
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}
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return parts.length > 1 ? parts : null;
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}
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function parentKeyForKey(key) {
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var parts = keyPartsForKey(key);
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if (!parts) {
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return null;
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}
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return parts.slice(0, -1).join('/') + '/';
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}
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function keyWithoutParentKey(key) {
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return key ? key.replace(parentKeyForKey(key), '') : null;
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}
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function ancestorKeysForKey(key) {
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var ancestors = [],
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parentKey = parentKeyForKey(key);
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while (parentKey) {
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ancestors.unshift(parentKey);
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parentKey = parentKeyForKey(parentKey);
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}
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return ancestors.length ? ancestors : null;
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}
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export default {
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keyIsFolder,
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keyPartsForKey,
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parentKeyForKey,
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keyWithoutParentKey,
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ancestorKeysForKey,
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};
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