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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
commit | e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch) | |
tree | 55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/extglob/lib/utils.js | |
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api, login, auth
Diffstat (limited to 'node_modules/extglob/lib/utils.js')
-rw-r--r-- | node_modules/extglob/lib/utils.js | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/node_modules/extglob/lib/utils.js b/node_modules/extglob/lib/utils.js new file mode 100644 index 0000000..37a59fb --- /dev/null +++ b/node_modules/extglob/lib/utils.js @@ -0,0 +1,69 @@ +'use strict'; + +var regex = require('regex-not'); +var Cache = require('fragment-cache'); + +/** + * Utils + */ + +var utils = module.exports; +var cache = utils.cache = new Cache(); + +/** + * Cast `val` to an array + * @return {Array} + */ + +utils.arrayify = function(val) { + if (!Array.isArray(val)) { + return [val]; + } + return val; +}; + +/** + * Memoize a generated regex or function + */ + +utils.memoize = function(type, pattern, options, fn) { + var key = utils.createKey(type + pattern, options); + + if (cache.has(type, key)) { + return cache.get(type, key); + } + + var val = fn(pattern, options); + if (options && options.cache === false) { + return val; + } + + cache.set(type, key, val); + return val; +}; + +/** + * Create the key to use for memoization. The key is generated + * by iterating over the options and concatenating key-value pairs + * to the pattern string. + */ + +utils.createKey = function(pattern, options) { + var key = pattern; + if (typeof options === 'undefined') { + return key; + } + for (var prop in options) { + key += ';' + prop + '=' + String(options[prop]); + } + return key; +}; + +/** + * Create the regex to use for matching text + */ + +utils.createRegex = function(str) { + var opts = {contains: true, strictClose: false}; + return regex(str, opts); +}; |