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Commit20e1b2a

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feat: support case sensitive search (#17)
* feat: support cases sensitive search* revert package.json
1 parentc15d0f2 commit20e1b2a

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4 files changed

+68
-43
lines changed

4 files changed

+68
-43
lines changed

‎__tests__/Fuzzy.test.ts‎

Lines changed: 55 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,50 @@ describe("Test Fuzzy", () => {
77
it("should return correct results for a query",()=>{
88
constquery="apple";
99
constresults=fuzzy.search(query);
10-
expect(results).toMatchSnapshot();
10+
expect(results).toMatchInlineSnapshot(`
11+
[
12+
{
13+
"distance": 0,
14+
"text": "apple",
15+
},
16+
{
17+
"distance": 4,
18+
"text": "pineapple",
19+
},
20+
{
21+
"distance": 5,
22+
"text": "orange",
23+
},
24+
{
25+
"distance": 5,
26+
"text": "banana",
27+
},
28+
]
29+
`);
30+
});
31+
32+
it('should return correct results when "caseSensitive" option is true',()=>{
33+
constfuzzy=newFuzzy(list,{caseSensitive:true});
34+
constquery='Apple';
35+
constresults=fuzzy.search(query);
36+
37+
// The Distance is updated since the query is caseSensitive
38+
expect(results).toMatchInlineSnapshot(`
39+
[
40+
{
41+
"distance": 1,
42+
"text": "apple",
43+
},
44+
{
45+
"distance": 5,
46+
"text": "pineapple",
47+
},
48+
{
49+
"distance": 5,
50+
"text": "orange",
51+
},
52+
]
53+
`);
1154
});
1255

1356
it("should return empty array for no matches",()=>{
@@ -28,7 +71,17 @@ describe("Test Fuzzy", () => {
2871
it("should set this.list to an empty array if list is undefined",()=>{
2972
// Simulate absence of list
3073
constbadFuzzy=newFuzzy(undefinedasany);
31-
expect(badFuzzy).toMatchSnapshot();
74+
expect(badFuzzy).toMatchInlineSnapshot(`
75+
Fuzzy {
76+
"list": [],
77+
"options": {
78+
"caseSensitive": false,
79+
"includeMatches": false,
80+
"includeScore": false,
81+
},
82+
"search": [Function],
83+
}
84+
`)
3285
});
3386

3487
it("should include score if includeScore option is true",()=>{
@@ -60,5 +113,4 @@ describe("Test Fuzzy", () => {
60113
]
61114
`)
62115
})
63-
64116
});

‎__tests__/__snapshots__/Fuzzy.test.ts.snap‎

Lines changed: 0 additions & 32 deletions
Original file line numberDiff line numberDiff line change
@@ -80,35 +80,3 @@ exports[`Test Fuzzy > should include matches if includeMatches option is true 1`
8080
},
8181
]
8282
`;
83-
84-
exports[`Test Fuzzy > should return correct results for a query 1`]=`
85-
[
86-
{
87-
"distance":0,
88-
"text":"apple",
89-
},
90-
{
91-
"distance":4,
92-
"text":"pineapple",
93-
},
94-
{
95-
"distance":5,
96-
"text":"orange",
97-
},
98-
{
99-
"distance":5,
100-
"text":"banana",
101-
},
102-
]
103-
`;
104-
105-
exports[`Test Fuzzy > should set this.list to an empty array if list is undefined 1`]=`
106-
Fuzzy{
107-
"list": [],
108-
"options": {
109-
"includeMatches":false,
110-
"includeScore":false,
111-
},
112-
"search": [Function],
113-
}
114-
`;

‎playground/index.ts‎

Lines changed: 2 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -5,10 +5,8 @@ import { countries } from "./countries";
55

66
functionperformSearch(){
77
constquery=document
8-
.getElementById("searchInput")!
9-
//@ts-ignore
10-
.value!.toLowerCase();
11-
constfuzzy=newFuzzy(countries,{includeMatches:true,includeScore:true});
8+
.getElementById("searchInput")!.value;
9+
constfuzzy=newFuzzy(countries,{includeMatches:true,includeScore:true});
1210
constresults=fuzzy.search(query);
1311
console.debug("RESULTS = ",results);
1412
displayResults(results);

‎src/Fuzzy.ts‎

Lines changed: 11 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -13,6 +13,10 @@ interface Options {
1313
* Whether to include the score in the result.
1414
*/
1515
includeScore?:boolean;
16+
/**
17+
* Whether the search is case-sensitive.
18+
*/
19+
caseSensitive?:boolean;
1620
}
1721

1822
exporttypeSingleResult={
@@ -50,6 +54,7 @@ class Fuzzy {
5054
this.options=options||{
5155
includeMatches:false,
5256
includeScore:false,
57+
caseSensitive:false,
5358
};
5459
}
5560

@@ -60,15 +65,17 @@ class Fuzzy {
6065
*/
6166
publicsearch=(query:string):Result=>{
6267
constresult:(SingleResult&{score:number})[]=[];
68+
constupdateQuery=this.options.caseSensitive ?query :query.toLowerCase();
6369
for(leti=0;i<this.list.length;i++){
70+
constitem=this.options.caseSensitive ?this.list[i] :this.list[i].toLowerCase();
6471
constmatrix=levenshteinFullMatrixSearch(
65-
query.toLowerCase(),
66-
this.list[i].toLowerCase()
72+
updateQuery,
73+
item,
6774
);
6875
constmatches=getMatchingIndices(
6976
matrix,
70-
query.toLowerCase(),
71-
this.list[i].toLowerCase()
77+
updateQuery,
78+
item
7279
);
7380
consttarget=this.list[i];
7481
constdistance=matrix[query.length][target.length];

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