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@sap/cds-compiler
Advanced tools
@sap/cds-compiler is a package designed to compile and process Core Data Services (CDS) models. It is part of the SAP Cloud Application Programming Model (CAP) and provides functionalities to parse, compile, and transform CDS models into various formats.
Parsing CDS Models
This feature allows you to parse CDS source code into a Core Schema Notation (CSN) model. The code sample demonstrates how to parse a simple CDS model defining an entity 'Books' with a 'title' property.
const cds = require('@sap/cds-compiler');
const source = 'entity Books { title: String; }';
const csn = cds.parse(source);
console.log(JSON.stringify(csn, null, 2));
Compiling CDS Models
This feature allows you to compile CDS source code into a CSN model. The code sample shows how to compile a CDS model into its CSN representation.
const cds = require('@sap/cds-compiler');
const source = 'entity Books { title: String; }';
const csn = cds.compile.to.csn(source);
console.log(JSON.stringify(csn, null, 2));
Transforming CDS Models
This feature allows you to transform CDS models into different formats, such as EDM (Entity Data Model). The code sample demonstrates transforming a CSN model into an EDM format.
const cds = require('@sap/cds-compiler');
const source = 'entity Books { title: String; }';
const csn = cds.compile.to.csn(source);
const edm = cds.compile.to.edm(csn);
console.log(JSON.stringify(edm, null, 2));
Sequelize is a promise-based Node.js ORM for Postgres, MySQL, MariaDB, SQLite, and Microsoft SQL Server. It provides functionalities to define models and interact with databases. While it does not compile CDS models, it offers similar functionalities for defining and working with data models.
Installation and Usage
Command invocation
Build from source
Documentation
Install via npm:
npm install "@sap/cds-compiler"
Or maintain your package.json dependencies as follows:
"dependencies": {
"@sap/cds-compiler": "latest"
}
The compiler with its options is invoked like any other npm/Unix command:
cdsc <command> [options] <file...>
See cdsc --help
for commands and options.
The exit code of the process is:
0
: successful compilation1
: compiled with error (the command invocation itself is ok)2
: commmand invocation error (invalid options, repeated file name)We recommend to install cds-compiler using npm. However, if you want to use the latest master (e.g. for testing purposes) then you need to set up the compiler first:
git clone git@github.wdf.sap.corp:cdx/cds-compiler.git
cd cds-compiler
npm install
npm run download # Downloads Antlr (Java Dependency)
npm run gen # Generates the parser
./bin/cdsc.js --help
Please refer to the official CDS documentation.
FAQs
CDS (Core Data Services) compiler and backends
The npm package @sap/cds-compiler receives a total of 232,979 weekly downloads. As such, @sap/cds-compiler popularity was classified as popular.
We found that @sap/cds-compiler 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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