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add support for the regex d flag #71

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merged 1 commit into from
Jul 5, 2024
Merged

add support for the regex d flag #71

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5 changes: 5 additions & 0 deletions index.d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,11 @@ declare class SuperExpressive {
*/
caseInsensitive: SuperExpressive;

/**
* Uses the `d` flag on the regular expression, which indicates that it should generate indices for the start and end of each capture group.
*/
generateIndices: SuperExpressive;

/**
* Uses the `y` flag on the regular expression, which indicates that it should create a stateful regular expression that can be resumed from the last match.
*/
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7 changes: 7 additions & 0 deletions index.js
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Expand Up @@ -163,6 +163,7 @@ class SuperExpressive {
hasDefinedStart: false,
hasDefinedEnd: false,
flags: {
d: false,
g: false,
y: false,
m: false,
Expand Down Expand Up @@ -194,6 +195,12 @@ class SuperExpressive {
return next;
}

get generateIndices() {
const next = this[clone]();
next.state.flags.d = true;
return next;
}

get sticky() {
const next = this[clone]();
next.state.flags.y = true;
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1 change: 1 addition & 0 deletions index.test.js
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Expand Up @@ -26,6 +26,7 @@ describe('SuperExpressive', () => {
testRegexEquality('Flag: g', /(?:)/g, SuperExpressive().allowMultipleMatches );
testRegexEquality('Flag: m', /(?:)/m, SuperExpressive().lineByLine );
testRegexEquality('Flag: i', /(?:)/i, SuperExpressive().caseInsensitive );
testRegexEquality('Flag: d', /(?:)/d, SuperExpressive().generateIndices );
testRegexEquality('Flag: y', /(?:)/y, SuperExpressive().sticky);
testRegexEquality('Flag: u', /(?:)/u, SuperExpressive().unicode);
testRegexEquality('Flag: s', /(?:)/s, SuperExpressive().singleLine);
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15 changes: 15 additions & 0 deletions readme.md
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Expand Up @@ -19,6 +19,7 @@
- [.allowMultipleMatches](#allowMultipleMatches)
- [.lineByLine](#lineByLine)
- [.caseInsensitive](#caseInsensitive)
- [.generateIndices](#generateIndices)
- [.sticky](#sticky)
- [.unicode](#unicode)
- [.singleLine](#singleLine)
Expand Down Expand Up @@ -202,6 +203,20 @@ SuperExpressive()
/HELLO/i
```

### .generateIndices

Uses the `d` flag on the regular expression, which indicates that it should generate indices for the start and end of each capture group.

**Example**
```JavaScript
SuperExpressive()
.generateIndices
.string('hello')
.toRegex();
// ->
/hello/d
```

### .sticky

Uses the `y` flag on the regular expression, which indicates that it should create a stateful regular expression that can be resumed from the last match.
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