-
Notifications
You must be signed in to change notification settings - Fork 271
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
add
case
statements/operators. (#404)
* add case and when nodes. * add case builder. * add `.case` to expression builder. * add `.case` to Kysely. * add case & when node compilation. * add case test suite. * fix single argument filter parsing for when and beyond. * add when/then/else overloads for common use cases @ case builder. * add more complex case tests. * freeze lists @ case node. Co-authored-by: Sami Koskimäki <[email protected]> * simplify case example. * add case typings tests. --------- Co-authored-by: Sami Koskimäki <[email protected]> Co-authored-by: Sami Koskimäki <[email protected]>
- Loading branch information
1 parent
bf5613f
commit 16a589d
Showing
19 changed files
with
940 additions
and
3 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
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
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
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 | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,59 @@ | ||
import { freeze } from '../util/object-utils.js' | ||
import { OperationNode } from './operation-node.js' | ||
import { WhenNode } from './when-node.js' | ||
|
||
export interface CaseNode extends OperationNode { | ||
readonly kind: 'CaseNode' | ||
readonly value?: OperationNode | ||
readonly when?: ReadonlyArray<WhenNode> | ||
readonly else?: OperationNode | ||
readonly isStatement?: boolean | ||
} | ||
|
||
/** | ||
* @internal | ||
*/ | ||
export const CaseNode = freeze({ | ||
is(node: OperationNode): node is CaseNode { | ||
return node.kind === 'CaseNode' | ||
}, | ||
|
||
create(value?: OperationNode): CaseNode { | ||
return freeze({ | ||
kind: 'CaseNode', | ||
value, | ||
}) | ||
}, | ||
|
||
cloneWithWhen(caseNode: CaseNode, when: WhenNode): CaseNode { | ||
return freeze({ | ||
...caseNode, | ||
when: freeze(caseNode.when ? [...caseNode.when, when] : [when]), | ||
}) | ||
}, | ||
|
||
cloneWithThen(caseNode: CaseNode, then: OperationNode): CaseNode { | ||
return freeze({ | ||
...caseNode, | ||
when: caseNode.when | ||
? freeze([ | ||
...caseNode.when.slice(0, -1), | ||
WhenNode.cloneWithResult( | ||
caseNode.when[caseNode.when.length - 1], | ||
then | ||
), | ||
]) | ||
: undefined, | ||
}) | ||
}, | ||
|
||
cloneWith( | ||
caseNode: CaseNode, | ||
props: Partial<Pick<CaseNode, 'else' | 'isStatement'>> | ||
): CaseNode { | ||
return freeze({ | ||
...caseNode, | ||
...props, | ||
}) | ||
}, | ||
}) |
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
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
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
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 | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,31 @@ | ||
import { freeze } from '../util/object-utils.js' | ||
import { OperationNode } from './operation-node.js' | ||
|
||
export interface WhenNode extends OperationNode { | ||
readonly kind: 'WhenNode' | ||
readonly condition: OperationNode | ||
readonly result?: OperationNode | ||
} | ||
|
||
/** | ||
* @internal | ||
*/ | ||
export const WhenNode = freeze({ | ||
is(node: OperationNode): node is WhenNode { | ||
return node.kind === 'WhenNode' | ||
}, | ||
|
||
create(condition: OperationNode): WhenNode { | ||
return freeze({ | ||
kind: 'WhenNode', | ||
condition, | ||
}) | ||
}, | ||
|
||
cloneWithResult(whenNode: WhenNode, result: OperationNode): WhenNode { | ||
return freeze({ | ||
...whenNode, | ||
result, | ||
}) | ||
}, | ||
}) |
Oops, something went wrong.
16a589d
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Successfully deployed to the following URLs:
kysely – ./
kysely-kysely-team.vercel.app
kysely.dev
kysely-git-master-kysely-team.vercel.app
www.kysely.dev