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Fix edge cases and errors.

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sigonasr2, Sig, Sigo 2021-12-14 16:52:43 +00:00
parent 36c8653ee1
commit 6d1da9b4b8
1 changed files with 40 additions and 12 deletions
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52
equations/src/App.js
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@ -16,9 +16,21 @@ function EquationGroup(p) {
return <>
<span style={{fontSize:"24px"}}>(</span>
<div style={{display:"inline-block",border:"3px solid green"}}>
<button style={{backgroundColor:"blue",color:"white"}}>Add Value</button>
<button style={{backgroundColor:"green",color:"white"}}>Add Group</button>
<button style={{backgroundColor:"beige",color:"black"}}>Add Operator</button>
<button style={{backgroundColor:"blue",color:"white"}} onClick={()=>{
var eqArr=[...myArr]
eqArr.push(Object.keys(data)[0])
setMyArr(eqArr)
}}>Add Value</button>
<button style={{backgroundColor:"green",color:"white"}} onClick={()=>{
var eqArr=[...myArr]
eqArr.push([])
setMyArr(eqArr)
}}>Add Group</button>
<button style={{backgroundColor:"beige",color:"black"}} onClick={()=>{
var eqArr=[...myArr]
eqArr.push("+")
setMyArr(eqArr)
}}>Add Operator</button>
<br/>
{arr.map((eq,i)=>Array.isArray(eq)?<EquationGroup equation={myArr} setEquation={setMyArr} data={data} arr={eq} key={i} id={i}/>:eq==="×"||eq==="-"||eq==="+"||eq==="÷"?<EquationOperator equation={myArr} setEquation={setMyArr} data={data} operator={eq} key={i} id={i}/>:<EquationValue equation={myArr} setEquation={setMyArr} data={data} val={eq} key={i} id={i}/>)}
</div>
@ -75,25 +87,29 @@ function Equation(p) {
}
}
//Multiplication and Division first.
for (i=0;i<newEq.length-1;i++) {
if (newEq[i]==="×") {
for (i=1;i<newEq.length-1;i++) {
if (newEq[i]==="×"&&newEq[i+1]!=="×"&&newEq[i+1]!=="÷"&&newEq[i+1]!=="-"&&newEq[i+1]!=="+"
&&newEq[i-1]!=="×"&&newEq[i-1]!=="÷"&&newEq[i-1]!=="-"&&newEq[i-1]!=="+") {
var product = Number(typeof newEq[i-1]==="number"?newEq[i-1]:data[newEq[i-1]])*Number(typeof newEq[i+1]==="number"?newEq[i+1]:data[newEq[i+1]])
newEq.splice(i-1,3,product)
i--
} else
if (newEq[i]==="÷") {
if (newEq[i]==="÷"&&newEq[i+1]!=="×"&&newEq[i+1]!=="÷"&&newEq[i+1]!=="-"&&newEq[i+1]!=="+"
&&newEq[i-1]!=="×"&&newEq[i-1]!=="÷"&&newEq[i-1]!=="-"&&newEq[i-1]!=="+") {
var quotient = Number(typeof newEq[i-1]==="number"?newEq[i-1]:data[newEq[i-1]])/Number(typeof newEq[i+1]==="number"?newEq[i+1]:data[newEq[i+1]])
newEq.splice(i-1,3,quotient)
i--
}
}
for (i=0;i<newEq.length-1;i++) {
if (newEq[i]==="+") {
for (i=1;i<newEq.length-1;i++) {
if (newEq[i]==="+"&&newEq[i+1]!=="×"&&newEq[i+1]!=="÷"&&newEq[i+1]!=="-"&&newEq[i+1]!=="+"
&&newEq[i-1]!=="×"&&newEq[i-1]!=="÷"&&newEq[i-1]!=="-"&&newEq[i-1]!=="+") {
var sum = Number(typeof newEq[i-1]==="number"?newEq[i-1]:data[newEq[i-1]])+Number(typeof newEq[i+1]==="number"?newEq[i+1]:data[newEq[i+1]])
newEq.splice(i-1,3,sum)
i--
} else
if (newEq[i]==="-") {
if (newEq[i]==="-"&&newEq[i+1]!=="×"&&newEq[i+1]!=="÷"&&newEq[i+1]!=="-"&&newEq[i+1]!=="+"
&&newEq[i-1]!=="×"&&newEq[i-1]!=="÷"&&newEq[i-1]!=="-"&&newEq[i-1]!=="+") {
var difference = Number(typeof newEq[i-1]==="number"?newEq[i-1]:data[newEq[i-1]])-Number(typeof newEq[i+1]==="number"?newEq[i+1]:data[newEq[i+1]])
newEq.splice(i-1,3,difference)
i--
@ -103,9 +119,21 @@ function Equation(p) {
}
return <>
<button style={{backgroundColor:"blue",color:"white"}}>Add Value</button>
<button style={{backgroundColor:"green",color:"white"}}>Add Group</button>
<button style={{backgroundColor:"beige",color:"black"}}>Add Operator</button>
<button style={{backgroundColor:"blue",color:"white"}} onClick={()=>{
var eqArr=[...equation]
eqArr.push(Object.keys(data)[0])
setEquation(eqArr)
}}>Add Value</button>
<button style={{backgroundColor:"green",color:"white"}} onClick={()=>{
var eqArr=[...equation]
eqArr.push([])
setEquation(eqArr)
}}>Add Group</button>
<button style={{backgroundColor:"beige",color:"black"}} onClick={()=>{
var eqArr=[...equation]
eqArr.push("+")
setEquation(eqArr)
}}>Add Operator</button>
<br/><br/>
{equation.map((eq,i)=>Array.isArray(eq)?<EquationGroup equation={equation} setEquation={setEquation} data={data} arr={eq} key={i} id={i}/>:eq==="×"||eq==="-"||eq==="+"||eq==="÷"?<EquationOperator equation={equation} setEquation={setEquation} data={data} operator={eq} key={i} id={i}/>:<EquationValue equation={equation} setEquation={setEquation} data={data} val={eq} key={i} id={i}/>)}