35 lines
1.2 KiB
TypeScript
35 lines
1.2 KiB
TypeScript
import sanitize from 'sanitize-filename';
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import { CollectionModel } from '../collections/config/types';
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import docWithFilenameExists from './docWithFilenameExists';
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import fileExists from './fileExists';
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const incrementName = (name: string) => {
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const extension = name.split('.').pop();
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const baseFilename = sanitize(name.substr(0, name.lastIndexOf('.')) || name);
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let incrementedName = baseFilename;
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const regex = /(.*)-(\d)$/;
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const found = baseFilename.match(regex);
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if (found === null) {
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incrementedName += '-1';
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} else {
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const matchedName = found[1];
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const matchedNumber = found[2];
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const incremented = Number(matchedNumber) + 1;
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const newName = `${matchedName}-${incremented}`;
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incrementedName = newName;
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}
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return `${incrementedName}.${extension}`;
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};
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async function getSafeFileName(Model: CollectionModel, staticPath: string, desiredFilename: string): Promise<string> {
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let modifiedFilename = desiredFilename;
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// eslint-disable-next-line no-await-in-loop
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while (await docWithFilenameExists(Model, staticPath, modifiedFilename) || await fileExists(`${staticPath}/${modifiedFilename}`)) {
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modifiedFilename = incrementName(modifiedFilename);
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}
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return modifiedFilename;
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}
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export default getSafeFileName;
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