fix(hogvm): if without else, add base64 and url encoding/decoding (#22976)

hogvm/__tests__/__snapshots__/ifJump.hoge

@@ -0,0 +1,3 @@
+["_h", 42, 0, 36, 0, 32, "email", 45, 32, "", 36, 1, 11, 40, 12, 32, "ERROR - Email not found!", 2, "print", 1, 35, 32,
+"3", 2, "print", 1, 35, 32, "1", 2, "print", 1, 35, 32, "", 36, 1, 11, 40, 14, 32, "ERROR - Email not found!", 2,
+"print", 1, 35, 32, "3", 2, "print", 1, 35, 39, 6, 32, "else", 2, "print", 1, 35, 32, "1", 2, "print", 1, 35, 35, 35]

hogvm/__tests__/__snapshots__/ifJump.stdout

@@ -0,0 +1,3 @@
+1
+else
+1

hogvm/__tests__/__snapshots__/stl.hoge

@@ -1,3 +1,9 @@
 ["_h", 32, "-- empty, notEmpty, length, lower, upper, reverse --", 2, "print", 1, 35, 32, "234", 2, "notEmpty", 1, 32,
-"", 2, "empty", 1, 3, 2, 40, 11, 32, "123", 2, "length", 1, 2, "print", 1, 35, 32, "tdd4gh", 32, "Tdd4gh", 2, "lower",
-1, 11, 40, 11, 32, "test", 2, "upper", 1, 2, "print", 1, 35, 32, "spinner", 2, "reverse", 1, 2, "print", 1, 35]
+"", 2, "empty", 1, 3, 2, 40, 9, 32, "123", 2, "length", 1, 2, "print", 1, 35, 32, "tdd4gh", 32, "Tdd4gh", 2, "lower", 1,
+11, 40, 9, 32, "test", 2, "upper", 1, 2, "print", 1, 35, 32, "spinner", 2, "reverse", 1, 2, "print", 1, 35, 32,
+"http://www.google.com", 2, "encodeURLComponent", 1, 2, "print", 1, 35, 32, "tom & jerry", 2, "encodeURLComponent", 1,
+2, "print", 1, 35, 32, "http://www.google.com", 2, "encodeURLComponent", 1, 2, "decodeURLComponent", 1, 2, "print", 1,
+35, 32, "tom & jerry", 2, "encodeURLComponent", 1, 2, "decodeURLComponent", 1, 2, "print", 1, 35, 32,
+"http://www.google.com", 2, "base64Encode", 1, 2, "print", 1, 35, 32, "tom & jerry", 2, "base64Encode", 1, 2, "print",
+1, 35, 32, "http://www.google.com", 2, "base64Encode", 1, 2, "base64Decode", 1, 2, "print", 1, 35, 32, "tom & jerry", 2,
+"base64Encode", 1, 2, "base64Decode", 1, 2, "print", 1, 35]

hogvm/__tests__/__snapshots__/stl.stdout

@@ -2,3 +2,11 @@
 3
 TEST
 rennips
+http%3A%2F%2Fwww.google.com
+tom%20%26%20jerry
+http://www.google.com
+tom & jerry
+aHR0cDovL3d3dy5nb29nbGUuY29t
+dG9tICYgamVycnk=
+http://www.google.com
+tom & jerry

hogvm/__tests__/ifJump.hog

@@ -0,0 +1,20 @@
+let props := {
+}
+let email := props.email
+
+if (email == '') {
+    print('ERROR - Email not found!')
+    print('3')
+}
+
+print('1')
+
+
+if (email == '') {
+    print('ERROR - Email not found!')
+    print('3')
+} else {
+    print('else')
+}
+
+print('1')

hogvm/__tests__/stl.hog

@@ -2,3 +2,15 @@ print('-- empty, notEmpty, length, lower, upper, reverse --')
 if (empty('') and notEmpty('234')) print(length('123'))
 if (lower('Tdd4gh') == 'tdd4gh') print(upper('test'))
 print(reverse('spinner'))
+
+print(encodeURLComponent('http://www.google.com'))
+print(encodeURLComponent('tom & jerry'))
+
+print(decodeURLComponent(encodeURLComponent('http://www.google.com')))
+print(decodeURLComponent(encodeURLComponent('tom & jerry')))
+
+print(base64Encode('http://www.google.com'))
+print(base64Encode('tom & jerry'))
+
+print(base64Decode(base64Encode('http://www.google.com')))
+print(base64Decode(base64Encode('tom & jerry')))

hogvm/python/stl/__init__.py

@@ -107,6 +107,34 @@ def jsonStringify(name: str, args: list[Any], team: Optional["Team"], stdout: Op
     return json.dumps(args[0])
 
 
+def base64Encode(name: str, args: list[Any], team: Optional["Team"], stdout: Optional[list[str]], timeout: int) -> str:
+    import base64
+
+    return base64.b64encode(args[0].encode()).decode()
+
+
+def base64Decode(name: str, args: list[Any], team: Optional["Team"], stdout: Optional[list[str]], timeout: int) -> str:
+    import base64
+
+    return base64.b64decode(args[0].encode()).decode()
+
+
+def encodeURLComponent(
+    name: str, args: list[Any], team: Optional["Team"], stdout: Optional[list[str]], timeout: int
+) -> str:
+    import urllib.parse
+
+    return urllib.parse.quote(args[0], safe="")
+
+
+def decodeURLComponent(
+    name: str, args: list[Any], team: Optional["Team"], stdout: Optional[list[str]], timeout: int
+) -> str:
+    import urllib.parse
+
+    return urllib.parse.unquote(args[0])
+
+
 STL: dict[str, Callable[[str, list[Any], Optional["Team"], list[str] | None, int], Any]] = {
     "concat": concat,
     "match": match,
@@ -126,4 +154,8 @@ STL: dict[str, Callable[[str, list[Any], Optional["Team"], list[str] | None, int
     "run": run,
     "jsonParse": jsonParse,
     "jsonStringify": jsonStringify,
+    "base64Encode": base64Encode,
+    "base64Decode": base64Decode,
+    "encodeURLComponent": encodeURLComponent,
+    "decodeURLComponent": decodeURLComponent,
 }

hogvm/typescript/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@posthog/hogvm",
-    "version": "1.0.11",
+    "version": "1.0.12",
     "description": "PostHog Hog Virtual Machine",
     "types": "dist/index.d.ts",
     "main": "dist/index.js",

hogvm/typescript/src/stl/stl.ts

@@ -86,6 +86,25 @@ export const STL: Record<string, (args: any[], name: string, timeout: number) =>
         }
         return JSON.stringify(convert(args[0]))
     },
+    base64Encode: (args) => {
+        return Buffer.from(args[0]).toString('base64')
+    },
+    base64Decode: (args) => {
+        return Buffer.from(args[0], 'base64').toString()
+    },
+    tryBase64Decode: (args) => {
+        try {
+            return Buffer.from(args[0], 'base64').toString()
+        } catch (e) {
+            return ''
+        }
+    },
+    encodeURLComponent(args) {
+        return encodeURIComponent(args[0])
+    },
+    decodeURLComponent(args) {
+        return decodeURIComponent(args[0])
+    },
 }
 
 export const ASYNC_STL: Record<string, (args: any[], name: string, timeout: number) => Promise<any>> = {

posthog/hogql/bytecode.py

@@ -248,7 +248,7 @@ class BytecodeBuilder(Visitor):
 
         response = []
         response.extend(expr)
-        response.extend([Operation.JUMP_IF_FALSE, len(then) + 2])  # + else's OP_JUMP + count
+        response.extend([Operation.JUMP_IF_FALSE, len(then) + (2 if else_ else 0)])
         response.extend(then)
         if else_:
             response.extend([Operation.JUMP, len(else_)])