fix: should not replace literal + with in the query string (#943)

Author: macabeus

src/compose.ts

@@ -711,7 +711,7 @@ export const composeHandler = ({
 		} else {
 			fnLiteral +=
 				'if(c.qi!==-1){' +
-				`let url = '&' + decodeURIComponent(c.url.slice(c.qi + 1))\n`
+				`let url = '&' + decodeURIComponent(c.url.slice(c.qi + 1).replaceAll('+', ' '))\n`
 
 			let index = 0
 			for (const {
@@ -739,8 +739,8 @@ export const composeHandler = ({
 							`else\n` +
 							`a${index}+=','\n` +
 							`let temp\n` +
-							`if(memory===-1)temp=decodeURIComponent(url.slice(start).replace(/\\+|%20/g,' '))\n` +
-							`else temp=decodeURIComponent(url.slice(start, memory).replace(/\\+|%20/g,' '))\n` +
+							`if(memory===-1)temp=decodeURIComponent(url.slice(start))\n` +
+							`else temp=decodeURIComponent(url.slice(start, memory))\n` +
 							`const charCode = temp.charCodeAt(0)\n` +
 							`if(charCode !== 91 && charCode !== 123)\n` +
 							`temp='"'+temp+'"'\n` +
@@ -763,10 +763,10 @@ export const composeHandler = ({
 							`if(a${index}===undefined)` +
 							`a${index}=[]\n` +
 							`if(memory===-1){` +
-							`a${index}.push(decodeURIComponent(url.slice(start)).replace(/\\+|%20/g,' '))\n` +
+							`a${index}.push(decodeURIComponent(url.slice(start)))\n` +
 							`break` +
 							`}` +
-							`else a${index}.push(decodeURIComponent(url.slice(start, memory)).replace(/\\+|%20/g,' '))\n` +
+							`else a${index}.push(decodeURIComponent(url.slice(start, memory)))\n` +
 							`memory=url.indexOf('&${key}=',memory)\n` +
 							`if(memory===-1) break\n` +
 							`}`
@@ -776,8 +776,8 @@ export const composeHandler = ({
 						`if(memory!==-1){` +
 						`const start=memory+${key.length + 2}\n` +
 						`memory=url.indexOf('&',start)\n` +
-						`if(memory===-1)a${index}=decodeURIComponent(url.slice(start).replace(/\\+|%20/g,' '))` +
-						`else a${index}=decodeURIComponent(url.slice(start,memory).replace(/\\+|%20/g,' '))` +
+						`if(memory===-1)a${index}=decodeURIComponent(url.slice(start))` +
+						`else a${index}=decodeURIComponent(url.slice(start,memory))` +
 						`if(a${index}!==undefined)` +
 						`try{` +
 						`a${index}=JSON.parse(a${index})` +
@@ -790,9 +790,9 @@ export const composeHandler = ({
 						`if(memory!==-1){` +
 						`const start=memory+${key.length + 2}\n` +
 						`memory=url.indexOf('&',start)\n` +
-						`if(memory===-1)a${index}=decodeURIComponent(url.slice(start).replace(/\\+|%20/g,' '))\n` +
+						`if(memory===-1)a${index}=decodeURIComponent(url.slice(start))\n` +
 						`else{` +
-						`a${index}=decodeURIComponent(url.slice(start,memory).replace(/\\+|%20/g,' '))`
+						`a${index}=decodeURIComponent(url.slice(start,memory))`
 
 					if (anyOf)
 						fnLiteral +=
@@ -805,8 +805,8 @@ export const composeHandler = ({
 							`if(first)first=false\n` +
 							`else deepMemory = url.indexOf('&', start)\n` +
 							`let value\n` +
-							`if(deepMemory===-1)value=decodeURIComponent(url.slice(start).replace(/\\+|%20/g,' '))\n` +
-							`else value=decodeURIComponent(url.slice(start, deepMemory).replace(/\\+|%20/g,' '))\n` +
+							`if(deepMemory===-1)value=decodeURIComponent(url.slice(start))\n` +
+							`else value=decodeURIComponent(url.slice(start, deepMemory))\n` +
 							`const vStart=value.charCodeAt(0)\n` +
 							`const vEnd=value.charCodeAt(value.length - 1)\n` +
 							`if((vStart===91&&vEnd===93)||(vStart===123&&vEnd===125))\n` +

test/validator/query.test.ts

@@ -703,23 +703,43 @@ describe('Query Validator', () => {
 		})
 	})
 
-	it('parse + in query', async () => {
+	it('parse query with space', async () => {
 		const api = new Elysia().get('', ({ query }) => query, {
 			query: t.Object({
 				keyword: t.String()
 			})
 		})
 
 		const url = new URL('http://localhost:3000/')
-		url.searchParams.append('keyword', 'hello world')
-		console.log(url.href) //http://localhost:3000/?keyword=hello+world
+		url.searchParams.append('keyword', 'with space')
+		console.log(url.href) // http://localhost:3000/?keyword=with+space
 
 		const result = await api
 			.handle(new Request(url.href))
 			.then((response) => response.json())
 
 		expect(result).toEqual({
-			keyword: 'hello world'
+			keyword: 'with space'
+		})
+	})
+
+	it('parse query with +', async () => {
+		const api = new Elysia().get('', ({ query }) => query, {
+			query: t.Object({
+				keyword: t.String()
+			})
+		})
+
+		const url = new URL("http://localhost:3000/");
+		url.searchParams.append("keyword", "with+plus");
+		console.log(url.href) // http://localhost:3000/?keyword=with%2Bplus
+	
+		const result = await api
+			.handle(new Request(url.href))
+			.then((response) => response.json())
+
+		expect(result).toEqual({
+			keyword: 'with+plus'
 		})
 	})