basant307/AI_Governance_Project

1import * as is from '../is.mjs';2import * as util from '../util/index.mjs';3import Collection from '../collection/index.mjs';4import Element from '../collection/element.mjs';5 6let corefn = {7  add: function( opts ){8 9    let elements;10    let cy = this;11 12    // add the elements13    if( is.elementOrCollection( opts ) ){14      let eles = opts;15 16      if( eles._private.cy === cy ){ // same instance => just restore17        elements = eles.restore();18 19      } else { // otherwise, copy from json20        let jsons = [];21 22        for( let i = 0; i < eles.length; i++ ){23          let ele = eles[ i ];24          jsons.push( ele.json() );25        }26 27        elements = new Collection( cy, jsons );28      }29    }30 31    // specify an array of options32    else if( is.array( opts ) ){33      let jsons = opts;34 35      elements = new Collection( cy, jsons );36    }37 38    // specify via opts.nodes and opts.edges39    else if( is.plainObject( opts ) && (is.array( opts.nodes ) || is.array( opts.edges )) ){40      let elesByGroup = opts;41      let jsons = [];42 43      let grs = [ 'nodes', 'edges' ];44      for( let i = 0, il = grs.length; i < il; i++ ){45        let group = grs[ i ];46        let elesArray = elesByGroup[ group ];47 48        if( is.array( elesArray ) ){49 50          for( let j = 0, jl = elesArray.length; j < jl; j++ ){51            let json = util.extend( { group: group }, elesArray[ j ] );52 53            jsons.push( json );54          }55        }56      }57 58      elements = new Collection( cy, jsons );59    }60 61    // specify options for one element62    else {63      let json = opts;64      elements = (new Element( cy, json )).collection();65    }66 67    return elements;68  },69 70  remove: function( collection ){71    if( is.elementOrCollection( collection ) ){72      // already have right ref73    } else if( is.string( collection ) ){74      let selector = collection;75      collection = this.$( selector );76    }77 78    return collection.remove();79  }80};81 82export default corefn;83