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gremlin-script
Advanced tools
Generate Gremlin scripts with ease.
Works in Node.js and the browser.
$ npm install gremlin-script -S
This module works as a CommonJS, AMD module or standalone module (exported globally as GremlinScript
).
Instantiate a script object:
var GremlinScript = require('gremlin-script').GremlinScript;
var gremlin = new GremlinScript();
Get a reference to the graph:
var Graph = require('gremlin-script').Structure.Graph;
var g = new Graph('g'); // pass graph identifier/name to the constructor
var gremlin = new GremlinScript();
gremlin.line('g.v(1)');
gremlin.script.should.equal('g.v(1)\n');
var gremlin = new GremlinScript();
gremlin.line('g.v(%s)', 1);
gremlin.script.should.equal('g.v(p0)\n');
gremlin.params.p0.should.equal(1);
var gremlin = new GremlinScript();
gremlin.line('g.V(%s, %s)', 'name', 'Alice');
gremlin.script.should.equal('g.V(p0, p1)\n');
gremlin.params.p0.should.equal('name');
gremlin.params.p1.should.equal('Alice');
var gremlin = new GremlinScript();
var g = new Graph('g');
gremlin.line(g.v(1));
gremlin.script.should.equal('g.v(1)\n');
Using the bindParameter()
function flags the argument passed to a function as a BoundParameter
. When generating the string, Gremlin-Script will automatically replace such wrapped argument with an automatically generated variable name and push the argument to the gremlin.params
Array.
var bind = require('gremlin-script').bindParameter;
var gremlin = new GremlinScript();
var g = new Graph('g');
var v1 = gremlin.var(g.addVertex(bind({ name: 'Alice' })), 'v1');
var v2 = gremlin.var(g.addVertex(bind({ name: 'Bob' })), 'v2');
gremlin.line(g.addEdge(v1, v2, 'knows', bind({ foo: 'bar' })));
gremlin.script.should.equal("v1=g.addVertex(p0)\nv2=g.addVertex(p1)\ng.addEdge(v1,v2,'knows',p2)\n");
gremlin.params.p0.name.should.equal('Alice');
gremlin.params.p1.name.should.equal('Bob');
gremlin.params.p2.foo.should.equal('bar');
Jean-Baptiste Musso - @jbmusso.
This library was heavily inspired by the great work started by Frank Panetta on gRex. Thanks!
https://github.com/gulthor/gremlin-script/graphs/contributors
MIT (c) 2014 Jean-Baptiste Musso
FAQs
Generate Gremlin scripts with ease
The npm package gremlin-script receives a total of 2 weekly downloads. As such, gremlin-script popularity was classified as not popular.
We found that gremlin-script demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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