function inspectIdentifier(emitted) {
            if (!emitted.exit) {
                let node = emitted.node,
                    sourceCode = context.getSourceCode();

                if (
                    allVariableDeclarations [node.name] &&
					sourceCode.getParent(node).type !== "VariableDeclarator"
                ) {
                    delete allVariableDeclarations [node.name];
                }
            }
        }
function inspectIdentifier(emitted) {
            if (!emitted.exit) {
                let node = emitted.node,
                    sourceCode = context.getSourceCode();

                if (
                    allVariableDeclarations [node.name] &&
					sourceCode.getParent(node).type !== "VariableDeclarator"
                ) {
                    delete allVariableDeclarations [node.name];
                }
            }
        }
function inspectIdentifier ( emitted ) { if ( ! emitted . exit ) { let node = emitted . node , sourceCode = context . getSourceCode ( ) ; if ( allVariableDeclarations [ node . name ] && sourceCode . getParent ( node ) . type !== "VariableDeclarator" ) { delete allVariableDeclarations [ node . name ] ; } } }
As soon as the first use of a variable is encountered, delete that variable's node from allVariableDeclarations
As soon as the first use of a variable is encountered delete that variable s node from allVariableDeclarations