-
Notifications
You must be signed in to change notification settings - Fork 0
/
str.js
167 lines (157 loc) · 4.67 KB
/
str.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
/*
* From Sugar Custom 2022.06.04
*
* Freely distributable and licensed under the MIT-style license.
* Copyright (c) Andrew Plummer
* https://sugarjs.com/
*
*/
class InflectionSet {
constructor() {
/**
* @type {{string:string}}
*/
this.map = {};
/**
* @type {{rule:RegExp,replacement:string}[]}
*/
this.rules = [];
}
/**
* Add to map.
* @param {string|RegExp} rule - the string or regex to search for.
* @param {string} replacement the string to replace with
*/
add(rule, replacement) {
if (typeof rule === "string") {
this.map[rule] = replacement;
} else {
this.rules.unshift({
rule: rule,
replacement: replacement
});
}
}
/**
* Lookup word in map and return modified version.
* @param {string} str - the word to lookup
*/
inflect(str) {
let lu = this.map[str] ?? this.runRules(str);
return lu;
}
runRules(str) {
var s = "";
for (let i in this.rules) {
let r = this.rules[i];
let rule = r.rule;
let replacement = r.replacement;
if (rule.test(str)) {
s += str.replace(rule, replacement);
break;
}
}
return s;
}
}
function buildCommonPlurals() {
addPlural(/$/, "s");
addPlural(/s$/i, "s");
addPlural(/(ax|test)is$/i, "$1es");
addPlural(/(octop|fung|foc|radi|alumn|cact)(i|us)$/i, "$1i");
addPlural(/(census|alias|status|fetus|genius|virus)$/i, "$1es");
addPlural(/(bu)s$/i, "$1ses");
addPlural(/(buffal|tomat)o$/i, "$1oes");
addPlural(/([ti])um$/i, "$1a");
addPlural(/([ti])a$/i, "$1a");
addPlural(/sis$/i, "ses");
addPlural(/f+e?$/i, "ves");
addPlural(/(cuff|roof)$/i, "$1s");
addPlural(/([ht]ive)$/i, "$1s");
addPlural(/([^aeiouy]o)$/i, "$1es");
addPlural(/([^aeiouy]|qu)y$/i, "$1ies");
addPlural(/(x|ch|ss|sh)$/i, "$1es");
addPlural(/(tr|vert)(?:ix|ex)$/i, "$1ices");
addPlural(/([ml])ouse$/i, "$1ice");
addPlural(/([ml])ice$/i, "$1ice");
addPlural(/^(ox)$/i, "$1en");
addPlural(/^(oxen)$/i, "$1");
addPlural(/(quiz)$/i, "$1zes");
addPlural(/(phot|cant|hom|zer|pian|portic|pr|quart|kimon)o$/i, "$1os");
addPlural(/(craft)$/i, "$1");
addPlural(/([ft])[eo]{2}(th?)$/i, "$1ee$2");
addSingular(/s$/i, "");
addSingular(/([pst][aiu]s)$/i, "$1");
addSingular(/([aeiouy])ss$/i, "$1ss");
addSingular(/(n)ews$/i, "$1ews");
addSingular(/([ti])a$/i, "$1um");
addSingular(/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/i, "$1$2sis");
addSingular(/(^analy)ses$/i, "$1sis");
addSingular(/(i)(f|ves)$/i, "$1fe");
addSingular(/([aeolr]f?)(f|ves)$/i, "$1f");
addSingular(/([ht]ive)s$/i, "$1");
addSingular(/([^aeiouy]|qu)ies$/i, "$1y");
addSingular(/(s)eries$/i, "$1eries");
addSingular(/(m)ovies$/i, "$1ovie");
addSingular(/(x|ch|ss|sh)es$/i, "$1");
addSingular(/([ml])(ous|ic)e$/i, "$1ouse");
addSingular(/(bus)(es)?$/i, "$1");
addSingular(/(o)es$/i, "$1");
addSingular(/(shoe)s?$/i, "$1");
addSingular(/(cris|ax|test)[ie]s$/i, "$1is");
addSingular(/(octop|fung|foc|radi|alumn|cact)(i|us)$/i, "$1us");
addSingular(/(census|alias|status|fetus|genius|virus)(es)?$/i, "$1");
addSingular(/^(ox)(en)?/i, "$1");
addSingular(/(vert)(ex|ices)$/i, "$1ex");
addSingular(/tr(ix|ices)$/i, "trix");
addSingular(/(quiz)(zes)?$/i, "$1");
addSingular(/(database)s?$/i, "$1");
addSingular(/ee(th?)$/i, "oo$1");
addIrregular("child", "children");
addIrregular("goose", "geese");
addIrregular("human", "humans");
addIrregular("man", "men");
addIrregular("move", "moves");
addIrregular("person", "people");
addIrregular("save", "saves");
addIrregular("sex", "sexes");
addIrregular("zombie", "zombies");
addUncountable("equipment information rice money species series fish deer sheep jeans");
}
function addPlural(singular, plural = singular) {
addInflection("plural", singular, plural);
if (typeof singular === "string") {
addSingular(plural, singular);
}
}
function addSingular(plural, singular) {
addInflection("singular", plural, singular);
}
function addIrregular(singular, plural) {
var sReg = RegExp(singular + "$", "i");
var pReg = RegExp(plural + "$", "i");
addPlural(sReg, plural);
addPlural(pReg, plural);
addSingular(pReg, singular);
addSingular(sReg, singular);
}
function addUncountable(set) {
let split = set.split(" ");
split.forEach(function (str) {
addPlural(str);
});
}
const Inflections = {
"plural": new InflectionSet(),
"singular": new InflectionSet()
};
let inflectPlurals = (type, str) => Inflections[type].inflect(str);
function addInflection(type, rule, replacement) {
Inflections[type].add(rule, replacement);
}
let pluralize = str => inflectPlurals("plural", str);
let singularize = str => inflectPlurals("singular", str);
buildCommonPlurals();
globalThis.fmt = {plur: pluralize, sing: singularize};
console.log(pluralize("octopi"));
console.log(singularize("octopi"));