26 lines
593 B
TypeScript
26 lines
593 B
TypeScript
export const unicodeToFilename = (str: string) => {
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let result = '';
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let charCode = 0;
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let p = 0;
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let i = 0;
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while (i < str.length) {
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charCode = str.charCodeAt(i++);
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if (p) {
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if (result.length > 0) {
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result += '-';
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}
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result += (0x10000 + ((p - 0xd800) << 10) + (charCode - 0xdc00)).toString(
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16,
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);
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p = 0;
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} else if (0xd800 <= charCode && charCode <= 0xdbff) {
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p = charCode;
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} else {
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if (result.length > 0) {
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result += '-';
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}
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result += charCode.toString(16);
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}
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}
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return result;
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};
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