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Adds better filename sanitization

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Eric Amodio
2017-09-10 17:44:26 -04:00
parent 9d83fbcacb
commit 260874fa1d
2 changed files with 14 additions and 6 deletions
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16
src/system/string.ts
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@@ -101,12 +101,20 @@ export namespace Strings {
return s;
}
export function truncate(s: string, truncateTo?: number) {
if (!s || truncateTo === undefined) return s;
// Removes \ / : * ? " < > | and C0 and C1 control codes
const illegalCharsForFSRegEx = /[\\/:*?"<>|\x00-\x1f\x80-\x9f]/g;
export function sanitizeForFS(s: string, replacement: string = '_') {
if (!s) return s;
return s.replace(illegalCharsForFSRegEx, replacement);
}
export function truncate(s: string, truncateTo: number, ellipsis: string = '\u2026') {
if (!s) return s;
const len = getWidth(s);
if (len <= truncateTo) return s;
if (len === s.length) return `${s.substring(0, truncateTo - 1)}\u2026`;
if (len === s.length) return `${s.substring(0, truncateTo - 1)}${ellipsis}`;
// Skip ahead to start as far as we can by assuming all the double-width characters won't be truncated
let chars = Math.floor(truncateTo / (len / s.length));
@@ -119,6 +127,6 @@ export namespace Strings {
chars--;
}
return `${s.substring(0, chars)}\u2026`;
return `${s.substring(0, chars)}${ellipsis}`;
}
}