1.2.4 • Published 4 years ago
neo4j-func v1.2.4
neo4j-func
neo4j-func is a neo4j wrapper for node.js
It helps making queries by using a functional approach
Installation
$npm install neo4j-func
or
$yarn add neo4j-func
Usage
define the config file
# neo4j.yaml
host: 0.0.0.0
port: 7687
credentials:
user: neo4j
password: neo4j
define your nodes and links
For a node :
@node('MyNode')
class MyNode extends NodeNeo4J {
@property()
@notNull
mandatoryProperty: PropertyDefinition<string>;
@property()
property2: PropertyDefinition<string>;
constructor(mandatoryProperty?: string, property2?: string) {
super();
}
}
For a link :
@node('MyLink')
class MyLink extends LinkNeo4J {
@property()
@notNull
mandatoryProperty: PropertyDefinition<string>;
@property()
property2: PropertyDefinition<string>;
constructor(mandatoryProperty?: string, property2?: string) {
super();
}
}
run you command
const myNode = new MyNode('mandatory', 'optionnal');
new Neo4jCommand()
.match(myNode)
.where(ID(myNode))
.equals(myNode.value(myNode.property2))
.returnValue(node)
.run()
.then((result) =>
result.records[0].map((record) => {
if (result.records.length > 0) {
return result.records[0].MyNode as MyNode;
} else {
return null;
}
})
);
.run
return a promise
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