Alan Houston

README.md

@@ -16,3 +16,7 @@ determine the math operator and output the result
   * Combine the functionality so you can assign a bool or number into a variable
 
 If anything else is input that cannot be matched, output `Syntax Error`
+
+
+readline allows user to type input
+split input- look for +,-,*,>,etc

index.js

@@ -1 +1,109 @@
+"use strict";
 
+//remove any spaces?
+//separate numerical inputs into their own variable?
+//.find or .filter each math/bool symbol
+// .join once solved?
+
+const readline = require('readline');
+
+const rl = readline.createInterface({
+    input: process.stdin,
+    output: process.stdout  
+})
+
+function openPrompt(){
+    rl.question('',(answer)=>{
+        let splitAnswer = answer.split('');
+        // console.log(splitAnswer)
+        // separateStuff(splitAnswer);
+        separateStuff(answer);
+        openPrompt();
+    });
+}
+
+const variable = {
+    name: '',
+    value: '',
+}
+
+let partsOfInput = {
+    leftSide: [],
+    operator: [],
+    rightSide: []
+}
+
+function clearPartsOfInput(){
+    partsOfInput.leftSide = [];
+    partsOfInput.rightSide = [];
+    partsOfInput.operator = [];
+}
+
+function separateStuff(answer){
+    // const indexZero = splitArray[0];
+    // const indexOne = splitArray[1]
+    // const indexTwo = splitArray[2];
+    // const indexThree = splitArray[3];
+    let noSpaceArray = answer.trim().replace(/\s+/g,'').split('');
+    let switchSides = false;
+    clearPartsOfInput();
+    noSpaceArray.forEach(item => {
+        if (!isNaN(Number(item)) && switchSides === false){
+            partsOfInput.leftSide.push(item);
+        }else if (!isNaN(Number(item)) && switchSides === true){
+            partsOfInput.rightSide.push(item);
+        }else if (item === '+' || '-' || '*' || '/' || '!' || '=' || '>' || '<'){
+            partsOfInput.operator.push(item);
+            switchSides = true;
+        }
+    });
+    let solidLeftSide = partsOfInput.leftSide.join('')
+    let solidRightSide = partsOfInput.rightSide.join('')
+    let solidOperator = partsOfInput.operator.join('')
+    //add if's for each index to be variable
+    if(solidOperator === '+'){
+        console.log(Number(solidLeftSide) + Number(solidRightSide))
+    }
+    else if(solidOperator === '-'){
+        console.log(Number(solidLeftSide) - Number(solidRightSide))
+    }
+    else if(solidOperator === '*'){
+        console.log(Number(solidLeftSide) * Number(solidRightSide))
+    }
+    else if(solidOperator === '/'){
+        console.log(Number(solidLeftSide) / Number(solidRightSide))
+    }
+    else if(solidOperator === '>'){
+        if(Number(solidLeftSide) > Number(solidRightSide)){
+            console.log('true')
+        }else console.log('false')
+    }
+    else if(solidOperator === '<'){
+        if(Number(solidLeftSide) < Number(solidRightSide)){
+            console.log('true')
+        }else console.log('false')
+    }
+    else if(solidOperator === '==='){
+        if(Number(solidLeftSide) === Number(solidRightSide)){
+            console.log('true')
+        }else console.log('false')
+    }
+    else if(solidOperator === '!=='){
+        if(Number(solidLeftSide) !== Number(solidRightSide)){
+            console.log('true')
+        }else console.log('false')
+    }
+    else console.log('Syntax error')
+    // else if(indexZero === 'let' && indexTwo === '='){
+    //     variable.value = indexThree;
+    //     variable.name = indexOne;
+    // }else if(indexZero === variable.name){
+    //     console.log(variable.value)
+    // }
+}
+
+const startNode=()=>{
+    openPrompt();
+}
+
+startNode();