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Diffstat (limited to 'node_modules/is-absolute/index.js')
-rw-r--r-- | node_modules/is-absolute/index.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/node_modules/is-absolute/index.js b/node_modules/is-absolute/index.js new file mode 100644 index 000000000..06d67311e --- /dev/null +++ b/node_modules/is-absolute/index.js @@ -0,0 +1,47 @@ +'use strict'; + +var isRelative = require('is-relative'); +var isWindows = require('is-windows'); + +/** + * Expose `isAbsolute` + */ + +module.exports = isAbsolute; + +/** + * Returns true if a file path is absolute. + * + * @param {String} `fp` + * @return {Boolean} + */ + +function isAbsolute(fp) { + if (typeof fp !== 'string') { + throw new TypeError('isAbsolute expects a string.'); + } + return isWindows() ? isAbsolute.win32(fp) : isAbsolute.posix(fp); +} + +/** + * Test posix paths. + */ + +isAbsolute.posix = function posixPath(fp) { + return fp.charAt(0) === '/'; +}; + +/** + * Test windows paths. + */ + +isAbsolute.win32 = function win32(fp) { + if (/[a-z]/i.test(fp.charAt(0)) && fp.charAt(1) === ':' && fp.charAt(2) === '\\') { + return true; + } + // Microsoft Azure absolute filepath + if (fp.slice(0, 2) === '\\\\') { + return true; + } + return !isRelative(fp); +}; |