| const { CHAR_DOT, CHAR_FORWARD_SLASH } = require('./constants') | |
| exports.normalizeString = function normalizeString( | |
| path, | |
| allowAboveRoot, | |
| separator, | |
| isPathSeparator | |
| ) { | |
| let res = '' | |
| let lastSegmentLength = 0 | |
| let lastSlash = -1 | |
| let dots = 0 | |
| let code = 0 | |
| for (let i = 0; i <= path.length; ++i) { | |
| if (i < path.length) { | |
| code = path.charCodeAt(i) | |
| } else if (isPathSeparator(code)) { | |
| break | |
| } else { | |
| code = CHAR_FORWARD_SLASH | |
| } | |
| if (isPathSeparator(code)) { | |
| if (lastSlash === i - 1 || dots === 1); | |
| else if (dots === 2) { | |
| if ( | |
| res.length < 2 || | |
| lastSegmentLength !== 2 || | |
| res.charCodeAt(res.length - 1) !== CHAR_DOT || | |
| res.charCodeAt(res.length - 2) !== CHAR_DOT | |
| ) { | |
| if (res.length > 2) { | |
| const lastSlashIndex = res.lastIndexOf(separator) | |
| if (lastSlashIndex === -1) { | |
| res = '' | |
| lastSegmentLength = 0 | |
| } else { | |
| res = res.substring(0, lastSlashIndex) | |
| lastSegmentLength = res.length - 1 - res.lastIndexOf(separator) | |
| } | |
| lastSlash = i | |
| dots = 0 | |
| continue | |
| } else if (res.length !== 0) { | |
| res = '' | |
| lastSegmentLength = 0 | |
| lastSlash = i | |
| dots = 0 | |
| continue | |
| } | |
| } | |
| if (allowAboveRoot) { | |
| res += res.length > 0 ? `${separator}..` : '..' | |
| lastSegmentLength = 2 | |
| } | |
| } else { | |
| if (res.length > 0) { | |
| res += `${separator}${path.substring(lastSlash + 1, i)}` | |
| } else { | |
| res = path.substring(lastSlash + 1, i) | |
| } | |
| lastSegmentLength = i - lastSlash - 1 | |
| } | |
| lastSlash = i | |
| dots = 0 | |
| } else if (code === CHAR_DOT && dots !== -1) { | |
| ++dots | |
| } else { | |
| dots = -1 | |
| } | |
| } | |
| return res | |
| } | |
Xet Storage Details
- Size:
- 1.93 kB
- Xet hash:
- 7b737449d24ae54507c48ec02b61ba2602c8200910af6d49dbdf680d49be5e3f
·
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