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This package is the main library for Codama. It re-exports most of the other packages in the Codama monorepo and offers a Codama
type with a few helpers to help bind everything together.
pnpm install codama
This package includes the following packages. Note that some of them also re-export other packages.
Additionally, this package offers a Codama
type and a few helper functions to help you work with Codama IDLs.
Codama
The Codama
interface wraps a RootNode
and offers some helper methods to work with it.
export interface Codama {
accept<T>(visitor: Visitor<T>): T;
clone(): Codama;
getJson(): string;
getRoot(): RootNode;
update(visitor: Visitor<Node | null>): void;
}
The accept
function allows us to visit the wrapped RootNode
using the provided visitor.
// Log the Codama IDL in the console.
codama.accept(consoleLogVisitor(getDebugStringVisitor({ indent: true })));
The update
function also accepts a visitor, but it uses the return value of that visitor to update the wrapped RootNode
. This means that, given a RootNode
, the provided visitor should also return a RootNode
. An error will be thrown otherwise.
// Delete account nodes named "mint".
codama.update(deleteNodesVisitor(['[accountNode]mint']));
// Transform all number nodes into u64 number nodes.
codama.update(
bottomUpTransformerVisitor([
{
select: '[numberTypeNode]',
transform: () => numberTypeNode(u64),
},
]),
);
Other helper functions include:
clone()
: Creates a new instance of the Codama
interface with a deep copy of the wrapped RootNode
.getJson()
: Returns the JSON representation of the Codama IDL.getRoot()
: Returns the wrapped RootNode
.const clonedCodama = codama.clone();
const jsonIdl = codama.getJson();
const rootNode = codama.getRoot();
createFromRoot(rootNode)
The createFromRoot
function creates a new instance of the Codama
interface from a RootNode
.
const codama = createFromRoot(rootNode(programNode({ ... })));
createFromJson(jsonIdl)
The createFromJson
function creates a new instance of the Codama
interface from a JSON representation of a RootNode
.
const json: string = fs.readFileSync('path/to/codamaIdl.json', 'utf-8');
const codama = createFromJson(json);
FAQs
A Solana framework for building standardised programs
We found that codama demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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