Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
1 changed file
with
234 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Original file line | Diff line number | Diff line change |
---|---|---|---|
@@ -0,0 +1,234 @@ | |||
/** | |||
* A port of the Rails/ActiveSupport Inflector class | |||
* http://api.rubyonrails.org/classes/ActiveSupport/Inflector.html | |||
*/ | |||
|
|||
var inflections = exports.inflections = { | |||
plurals: [], | |||
singulars: [], | |||
uncountables: [], | |||
humans: [] | |||
}; | |||
|
|||
var PLURALS = inflections.plurals, | |||
SINGULARS = inflections.singulars, | |||
UNCOUNTABLES = inflections.uncountables, | |||
HUMANS = inflections.humans; | |||
|
|||
/** | |||
* Specifies a new pluralization rule and its replacement. The rule can either | |||
* be a string or a regular expression. The replacement should always be a | |||
* string that may include references to the matched data from the rule. | |||
*/ | |||
var plural = function (rule, replacement) { | |||
//inflections.uncountables.delete(rule) if rule.is_a?(String) | |||
//inflections.uncountables.delete(replacement) | |||
inflections.plurals.unshift([rule, replacement]); | |||
} | |||
|
|||
/** | |||
* Specifies a new singularization rule and its replacement. The rule can either | |||
* be a string or a regular expression. The replacement should always be a | |||
* string that may include references to the matched data from the rule. | |||
*/ | |||
var singular = function (rule, replacement) { | |||
//inflections.uncountables.delete(rule) if rule.is_a?(String) | |||
//inflections.uncountables.delete(replacement) | |||
inflections.singulars.unshift([rule, replacement]); | |||
} | |||
|
|||
/** | |||
* Add uncountable words that shouldn't be attempted inflected. | |||
*/ | |||
var uncountable = function (word) { | |||
inflections.uncountables.unshift(word); | |||
} | |||
|
|||
/** | |||
* Specifies a new irregular that applies to both pluralization and | |||
* singularization at the same time. This can only be used for strings, not | |||
* regular expressions. You simply pass the irregular in singular and plural | |||
* form. | |||
* | |||
* Examples: | |||
* irregular("octopus", "octopi"); | |||
* irregular("person", "people"); | |||
*/ | |||
var irregular = function (s, p) { | |||
//inflections.uncountables.delete(singular); | |||
//inflections.uncountables.delete(plural); | |||
if (s.substr(0, 1).toUpperCase() == p.substr(0, 1).toUpperCase()) { | |||
plural(new RegExp("(" + s.substr(0, 1) + ")" + s.substr(1) + "$", "i"), '$1' + p.substr(1)); | |||
plural(new RegExp("(" + p.substr(0, 1) + ")" + p.substr(1) + "$", "i"), '$1' + p.substr(1)); | |||
singular(new RegExp("(" + p.substr(0, 1) + ")" + p.substr(1) + "$", "i"), '$1' + s.substr(1)); | |||
} else { | |||
plural(new RegExp(s.substr(0, 1).toUpperCase() + s.substr(1) + "$"), p.substr(0, 1).toUpperCase() + p.substr(1)); | |||
plural(new RegExp(s.substr(0, 1).toLowerCase() + s.substr(1) + "$"), p.substr(0, 1).toLowerCase() + p.substr(1)); | |||
plural(new RegExp(p.substr(0, 1).toUpperCase() + p.substr(1) + "$"), p.substr(0, 1).toUpperCase() + p.substr(1)); | |||
plural(new RegExp(p.substr(0, 1).toLowerCase() + p.substr(1) + "$"), p.substr(0, 1).toLowerCase() + p.substr(1)); | |||
singular(new RegExp(p.substr(0, 1).toUpperCase() + p.substr(1) + "$"), s.substr(0, 1).toUpperCase() + s.substr(1)); | |||
singular(new RegExp(p.substr(0, 1).toLowerCase() + p.substr(1) + "$"), s.substr(0, 1).toLowerCase() + s.substr(1)); | |||
} | |||
} | |||
|
|||
/** | |||
* Specifies a humanized form of a string by a regular expression rule or by a | |||
* string mapping. When using a regular expression based replacement, the normal | |||
* humanize formatting is called after the replacement. | |||
*/ | |||
var human = function (rule, replacement) { | |||
//inflections.uncountables.delete(rule) if rule.is_a?(String) | |||
//inflections.uncountables.delete(replacement) | |||
inflections.humans.push([rule, replacement]); | |||
} | |||
|
|||
plural(/$/, "s"); | |||
plural(/s$/i, "s"); | |||
plural(/(ax|test)is$/i, "$1es"); | |||
plural(/(octop|vir)us$/i, "$1i"); | |||
plural(/(alias|status)$/i, "$1es"); | |||
plural(/(bu)s$/i, "$1ses"); | |||
plural(/(buffal|tomat)o$/i, "$1oes"); | |||
plural(/([ti])um$/i, "$1a"); | |||
plural(/sis$/i, "ses"); | |||
plural(/(?:([^f])fe|([lr])f)$/i, "$1$2ves"); | |||
plural(/(hive)$/i, "$1s"); | |||
plural(/([^aeiouy]|qu)y$/i, "$1ies"); | |||
plural(/(x|ch|ss|sh)$/i, "$1es"); | |||
plural(/(matr|vert|ind)(?:ix|ex)$/i, "$1ices"); | |||
plural(/([m|l])ouse$/i, "$1ice"); | |||
plural(/^(ox)$/i, "$1en"); | |||
plural(/(quiz)$/i, "$1zes"); | |||
|
|||
singular(/s$/i, "") | |||
singular(/(n)ews$/i, "$1ews") | |||
singular(/([ti])a$/i, "$1um") | |||
singular(/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/i, "$1$2sis") | |||
singular(/(^analy)ses$/i, "$1sis") | |||
singular(/([^f])ves$/i, "$1fe") | |||
singular(/(hive)s$/i, "$1") | |||
singular(/(tive)s$/i, "$1") | |||
singular(/([lr])ves$/i, "$1f") | |||
singular(/([^aeiouy]|qu)ies$/i, "$1y") | |||
singular(/(s)eries$/i, "$1eries") | |||
singular(/(m)ovies$/i, "$1ovie") | |||
singular(/(x|ch|ss|sh)es$/i, "$1") | |||
singular(/([m|l])ice$/i, "$1ouse") | |||
singular(/(bus)es$/i, "$1") | |||
singular(/(o)es$/i, "$1") | |||
singular(/(shoe)s$/i, "$1") | |||
singular(/(cris|ax|test)es$/i, "$1is") | |||
singular(/(octop|vir)i$/i, "$1us") | |||
singular(/(alias|status)es$/i, "$1") | |||
singular(/^(ox)en/i, "$1") | |||
singular(/(vert|ind)ices$/i, "$1ex") | |||
singular(/(matr)ices$/i, "$1ix") | |||
singular(/(quiz)zes$/i, "$1") | |||
singular(/(database)s$/i, "$1") | |||
|
|||
irregular("person", "people"); | |||
irregular("man", "men"); | |||
irregular("child", "children"); | |||
irregular("sex", "sexes"); | |||
irregular("move", "moves"); | |||
irregular("cow", "kine"); | |||
|
|||
uncountable("equipment"); | |||
uncountable("information"); | |||
uncountable("rice"); | |||
uncountable("money"); | |||
uncountable("species"); | |||
uncountable("series"); | |||
uncountable("fish"); | |||
uncountable("sheep"); | |||
uncountable("jeans"); | |||
|
|||
/** | |||
* Returns the plural form of the word in the string. | |||
*/ | |||
exports.pluralize = function (word) { | |||
var wlc = word.toLowerCase(); | |||
|
|||
for (var i = 0; i < UNCOUNTABLES.length; i++) { | |||
var uncountable = UNCOUNTABLES[i]; | |||
if (wlc == uncountable) { | |||
return word; | |||
} | |||
} | |||
|
|||
for (var i = 0; i < PLURALS.length; i++) { | |||
var rule = PLURALS[i][0], | |||
replacement = PLURALS[i][1]; | |||
if (rule.test(word)) { | |||
return word.replace(rule, replacement); | |||
} | |||
} | |||
} | |||
|
|||
/** | |||
* Returns the singular form of the word in the string. | |||
*/ | |||
exports.singularize = function (word) { | |||
var wlc = word.toLowerCase(); | |||
|
|||
for (var i = 0; i < UNCOUNTABLES.length; i++) { | |||
var uncountable = UNCOUNTABLES[i]; | |||
if (wlc == uncountable) { | |||
return word; | |||
} | |||
} | |||
|
|||
for (var i = 0; i < SINGULARS.length; i++) { | |||
var rule = SINGULARS[i][0], | |||
replacement = SINGULARS[i][1]; | |||
if (rule.test(word)) { | |||
return word.replace(rule, replacement); | |||
} | |||
} | |||
} | |||
|
|||
/** | |||
* Capitalizes the first word and turns underscores into spaces and strips a | |||
* trailing "Key", if any. Like +titleize+, this is meant for creating pretty | |||
* output. | |||
* | |||
* Examples: | |||
* "employeeSalary" => "employee salary" | |||
* "authorKey" => "author" | |||
*/ | |||
exports.humanize = function (word) { | |||
for (var i = 0; i < HUMANS.length; i++) { | |||
var rule = HUMANS[i][0], | |||
replacement = HUMANS[i][1]; | |||
if (rule.test(word)) { | |||
word = word.replace(rule, replacement); | |||
} | |||
} | |||
|
|||
return exports.split(word, " ").toLowerCase(); | |||
} | |||
|
|||
/** | |||
* Split a camel case word in its terms. | |||
*/ | |||
exports.split = function (word, delim) { | |||
delim = delim || " "; | |||
var replacement = "$1" + delim + "$2"; | |||
return word. | |||
replace(/([A-Z]+)([A-Z][a-z])/g, replacement). | |||
replace(/([a-z\d])([A-Z])/g, replacement); | |||
} | |||
|
|||
/** | |||
* Converts a CamelCase word to underscore format. | |||
*/ | |||
exports.underscore = function (word) { | |||
return exports.split(word, "_").toLowerCase(); | |||
} | |||
|
|||
/** | |||
* Converts a CamelCase word to dash (lisp style) format. | |||
*/ | |||
exports.dash = exports.dasherize = function (word) { | |||
return exports.split(word, "-").toLowerCase(); | |||
} |