47 lines
1.4 KiB
JavaScript
47 lines
1.4 KiB
JavaScript
'use strict';
|
|
const path = require('path');
|
|
const trimRepeated = require('trim-repeated');
|
|
const filenameReservedRegex = require('filename-reserved-regex');
|
|
const stripOuter = require('strip-outer');
|
|
|
|
// Doesn't make sense to have longer filenames
|
|
const MAX_FILENAME_LENGTH = 100;
|
|
|
|
const reControlChars = /[\u0000-\u001f\u0080-\u009f]/g; // eslint-disable-line no-control-regex
|
|
const reRelativePath = /^\.+/;
|
|
|
|
const fn = (string, options) => {
|
|
if (typeof string !== 'string') {
|
|
throw new TypeError('Expected a string');
|
|
}
|
|
|
|
options = options || {};
|
|
|
|
const replacement = options.replacement === undefined ? '!' : options.replacement;
|
|
|
|
if (filenameReservedRegex().test(replacement) && reControlChars.test(replacement)) {
|
|
throw new Error('Replacement string cannot contain reserved filename characters');
|
|
}
|
|
|
|
string = string.replace(filenameReservedRegex(), replacement);
|
|
string = string.replace(reControlChars, replacement);
|
|
string = string.replace(reRelativePath, replacement);
|
|
|
|
if (replacement.length > 0) {
|
|
string = trimRepeated(string, replacement);
|
|
string = string.length > 1 ? stripOuter(string, replacement) : string;
|
|
}
|
|
|
|
string = filenameReservedRegex.windowsNames().test(string) ? string + replacement : string;
|
|
string = string.slice(0, MAX_FILENAME_LENGTH);
|
|
|
|
return string;
|
|
};
|
|
|
|
fn.path = (pth, options) => {
|
|
pth = path.resolve(pth);
|
|
return path.join(path.dirname(pth), fn(path.basename(pth), options));
|
|
};
|
|
|
|
module.exports = fn;
|