feat: add QuickJS as alternative JS engine for flow expression evaluation (#7664)
* feat: add QuickJS as alternative JS engine for flow expression evaluation Add rquickjs as an optional alternative to deno_core for evaluating JavaScript expressions in flow transformations. QuickJS offers ~8-16x faster startup times for simple expressions, making it ideal for evaluating many small expressions in flows. Key changes: - Add new `quickjs` feature flag for windmill-worker - Implement js_eval_quickjs.rs with true async Rust callbacks for variable(), resource(), and results.xxx access (no pre-fetching) - Share expression transformation logic (replace_with_await, replace_with_await_result) between both implementations - Add USE_QUICKJS_FOR_FLOW_EVAL env var to switch engines at runtime - When only quickjs feature is enabled (no deno_core), QuickJS is automatically used - Add comprehensive parity tests comparing QuickJS and deno_core output Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * all * quickjs * quickjs * all * all * all --------- Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Ruben Fiszel
70
backend/Cargo.lock
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70
backend/Cargo.lock
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@@ -1842,7 +1842,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0686c856aa6aac0c4498f936d7d6a02df690f614c03e4d906d1018062b5c5e2c"
|
||||
dependencies = [
|
||||
"once_cell",
|
||||
"proc-macro-crate",
|
||||
"proc-macro-crate 3.4.0",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn 2.0.114",
|
||||
@@ -8550,7 +8550,7 @@ dependencies = [
|
||||
"darling 0.20.11",
|
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"heck 0.5.0",
|
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"num-bigint",
|
||||
"proc-macro-crate",
|
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"proc-macro-crate 3.4.0",
|
||||
"proc-macro-error2",
|
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"proc-macro2",
|
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"quote",
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||||
@@ -9119,7 +9119,7 @@ version = "0.7.5"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ff32365de1b6743cb203b710788263c44a03de03802daf96092f2da4fe6ba4d7"
|
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dependencies = [
|
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"proc-macro-crate",
|
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"proc-macro-crate 3.4.0",
|
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"proc-macro2",
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"quote",
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"syn 2.0.114",
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@@ -10192,6 +10192,16 @@ dependencies = [
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"elliptic-curve",
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]
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[[package]]
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name = "proc-macro-crate"
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version = "1.3.1"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7f4c021e1093a56626774e81216a4ce732a735e5bad4868a03f3ed65ca0c3919"
|
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dependencies = [
|
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"once_cell",
|
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"toml_edit 0.19.15",
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]
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[[package]]
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name = "proc-macro-crate"
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version = "3.4.0"
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@@ -10895,6 +10905,12 @@ version = "0.8.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7a2d987857b319362043e95f5353c0535c1f58eec5336fdfcf626430af7def58"
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[[package]]
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name = "relative-path"
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version = "1.9.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ba39f3699c378cd8970968dcbff9c43159ea4cfbd88d43c00b22f2ef10a435d2"
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[[package]]
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name = "rend"
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version = "0.4.2"
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@@ -11185,6 +11201,53 @@ dependencies = [
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"serde_derive",
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]
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[[package]]
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name = "rquickjs"
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version = "0.8.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d16661bff09e9ed8e01094a188b463de45ec0693ade55b92ed54027d7ba7c40c"
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dependencies = [
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"rquickjs-core",
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"rquickjs-macro",
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]
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[[package]]
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name = "rquickjs-core"
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version = "0.8.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6c8db6379e204ef84c0811e90e7cc3e3e4d7688701db68a00d14a6db6849087b"
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dependencies = [
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"async-lock",
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"relative-path",
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"rquickjs-sys",
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]
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[[package]]
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name = "rquickjs-macro"
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version = "0.8.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6041104330c019fcd936026ae05e2446f5e8a2abef329d924f25424b7052a2f3"
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dependencies = [
|
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"convert_case 0.6.0",
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"fnv",
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"ident_case",
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"indexmap 2.11.1",
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"proc-macro-crate 1.3.1",
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"proc-macro2",
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"quote",
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"rquickjs-core",
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"syn 2.0.114",
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]
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[[package]]
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name = "rquickjs-sys"
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version = "0.8.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4bc352c6b663604c3c186c000cfcc6c271f4b50bc135a285dd6d4f2a42f9790a"
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dependencies = [
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"cc",
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]
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[[package]]
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name = "rsa"
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version = "0.9.10"
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@@ -16156,6 +16219,7 @@ dependencies = [
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"regex",
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"reqwest 0.13.1",
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"reqwest-middleware",
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"rquickjs",
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"rust_decimal",
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"rustls-pemfile 2.2.0",
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"serde",
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@@ -68,6 +68,7 @@ jemalloc = ["windmill-common/jemalloc", "dep:tikv-jemallocator", "dep:tikv-jemal
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tantivy = ["dep:windmill-indexer", "windmill-api/tantivy", "windmill-indexer/enterprise", "windmill-indexer/parquet", "windmill-common/tantivy", "enterprise", "parquet"]
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sqlx = ["windmill-worker/sqlx"]
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deno_core = ["windmill-worker/deno_core", "windmill-api/deno_core", "dep:deno_core", "dep:v8"]
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quickjs = ["windmill-worker/quickjs"]
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deno_core_mac = ["deno_core", "windmill-worker/libffi_mac"]
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kafka = ["windmill-api/kafka"]
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nats = ["windmill-api/nats"]
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@@ -391,8 +392,11 @@ nu-parser = { version = "0.101.0", default-features = false }
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globset = "0.4.16"
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croner = "2.2.0"
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rmcp = { version = "^0", features = ["client", "transport-streamable-http-client", "transport-streamable-http-client-reqwest"] }
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rquickjs = { version = "0.8", features = ["futures", "parallel", "macro"] }
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process-wrap = { version = "8.2.1", features = ["tokio1"] }
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systemstat = "0.2.4"
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datafusion = "47.0.0"
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object_store = { git = "https://github.com/apache/arrow-rs-object-store", rev = "36752c975d4f29e20b57c91f81a10872dcd48ae7", features = ["aws", "azure", "gcp"] }
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openidconnect = { version = "4.0.0-rc.1" }
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@@ -407,7 +411,6 @@ aws-sdk-sso = "=1.77.0"
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aws-sdk-ssooidc = "=1.78.0"
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rustls = "=0.23.35"
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async-once-cell = "0.5.4"
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systemstat = "0.2.4"
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size = "0.5.0"
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|
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aws-smithy-types-convert = { version = "^0", features = ["convert-chrono"] }
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370
backend/QUICKJS_MIGRATION_ANALYSIS.md
Normal file
370
backend/QUICKJS_MIGRATION_ANALYSIS.md
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@@ -0,0 +1,370 @@
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# QuickJS Migration - Potential Breaking Changes Analysis
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## Summary
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This document details the comprehensive investigation into potential breaking changes when migrating flow expressions from Deno Core (V8) to QuickJS.
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## 1. Areas Already Tested (60+ Parity Tests)
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The following areas have comprehensive parity tests in `js_eval_parity_tests.rs`:
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- **Arithmetic operations**: +, -, *, /, %, **
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- **Comparison operators**: ===, !==, >, <, >=, <=, ==, !=
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- **Logical operators**: &&, ||, !, ??, ?.
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- **Bitwise operators**: &, |, ^, ~, <<, >>, >>>
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- **Object operations**: property access, spread, destructuring, Object.keys/values/entries
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- **Array operations**: map, filter, reduce, find, some, every, slice, flat, etc.
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- **String operations**: split, replace, includes, startsWith, trim, etc.
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- **Template literals**: ${} interpolation
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- **Optional chaining**: ?. for properties, methods, computed properties
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- **Nullish coalescing**: ??
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- **Try-catch blocks**
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- **Arrow functions**
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- **Destructuring**
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- **Date operations** (with fixed dates)
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- **JSON.parse/stringify**
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- **Math functions**
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- **Set and Map operations**
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- **Regular expressions** (basic patterns)
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- **flow_input, flow_env, previous_result access**
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- **Error extraction logic** (from parallel results)
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## 2. Potential Breaking Changes Identified
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### 2.1 Number Handling Edge Cases (MEDIUM RISK)
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**Implementation Difference:**
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```rust
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// QuickJS json_to_js:
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if i >= i32::MIN as i64 && i <= i32::MAX as i64 {
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Ok(Value::new_int(ctx.clone(), i as i32))
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} else {
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Ok(Value::new_float(ctx.clone(), i as f64))
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}
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```
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**Potential Issues:**
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- Numbers outside i32 range (-2147483648 to 2147483647) are stored as floats
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- Large integers (between i32::MAX and 2^53) might lose precision
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- **Timestamps** (e.g., 1704067200000) are typically in this range
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**Test Case Needed:**
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```javascript
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// Numbers just above i32::MAX
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2147483648 + 1 // i32::MAX + 2
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9007199254740991 - 1 // Near MAX_SAFE_INTEGER
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```
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### 2.2 Object Property Order (LOW RISK)
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**Implementation Difference:**
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- QuickJS: `obj.props::<String, Value>()` iteration order
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- V8: Guaranteed insertion order for string keys
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**Potential Impact:**
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- `Object.keys()`, `Object.values()`, `Object.entries()` order might differ
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- Object spread `{...obj}` order might differ
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**Mitigated by:**
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- JSON comparison in tests normalizes order
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- Most flow expressions don't depend on property order
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### 2.3 Missing Browser/Deno APIs (MEDIUM RISK)
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**APIs NOT available in QuickJS:**
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- `atob()` / `btoa()` - Base64 encoding/decoding
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- `TextEncoder` / `TextDecoder`
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- `fetch()` (not relevant for expressions)
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- `Blob`, `ArrayBuffer` (limited support)
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- `Intl.*` - Internationalization APIs
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- `console.log()` - No effect (not breaking, just no output)
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**Expressions that would break:**
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```javascript
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atob("SGVsbG8=") // Would throw: atob is not defined
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btoa("Hello") // Would throw: btoa is not defined
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new TextEncoder().encode("test") // Would throw
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"test".toLocaleUpperCase('tr-TR') // Might behave differently
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```
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### 2.4 Regular Expression Differences (LOW RISK)
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**QuickJS RegExp limitations:**
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- No `d` flag (indices)
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- No lookbehind assertions `(?<=...)` and `(?<!...)`
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- No named capture groups `(?<name>...)`
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**Expressions that might break:**
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```javascript
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"test123".match(/(?<=test)\d+/) // Lookbehind not supported
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/(?<name>\w+)/.exec("test")?.groups?.name // Named groups not supported
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```
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### 2.5 Prototype Method Availability (LOW RISK)
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**Methods that might differ:**
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- `Array.prototype.at()` - ES2022
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- `String.prototype.at()` - ES2022
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- `Object.hasOwn()` - ES2022
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- `String.prototype.replaceAll()` - ES2021
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**Test Case:**
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```javascript
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[1,2,3].at(-1) // Might not exist
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"hello".at(-1) // Might not exist
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```
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### 2.6 NaN/Infinity/Special Values (LOW RISK)
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**Implementation:**
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```rust
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// QuickJS js_to_json:
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if let Some(n) = serde_json::Number::from_f64(f) {
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return Ok(serde_json::Value::Number(n));
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} else {
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return Ok(serde_json::Value::Null); // NaN, Infinity -> null
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}
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```
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Both engines convert NaN/Infinity to null in JSON, so this is consistent.
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### 2.7 Fallback for Unsupported Types (LOW RISK)
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**QuickJS fallback:**
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```rust
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// Fallback
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Ok(serde_json::Value::String("[object]".to_string()))
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```
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Types that would trigger this:
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- Symbol
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- WeakMap/WeakRef
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- Generator objects
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- Custom objects with non-enumerable properties only
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### 2.8 Date Object Timezone Handling (MEDIUM RISK)
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**Potential Issue:**
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- `new Date()` without arguments uses system time
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- Timezone-dependent methods might vary
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**Safe patterns (already tested):**
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```javascript
|
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new Date('2024-01-15T00:00:00.000Z').getUTCFullYear() // OK - UTC methods
|
||||
Date.parse('2024-01-15T00:00:00.000Z') // OK - explicit timezone
|
||||
```
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|
||||
**Risky patterns:**
|
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```javascript
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new Date().toLocaleDateString() // Timezone dependent
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new Date().getHours() // Timezone dependent
|
||||
```
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## 3. Edge Cases NOT Currently Tested
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### 3.1 Very Large Numbers
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```javascript
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9007199254740991 // MAX_SAFE_INTEGER
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||||
9007199254740992 // MAX_SAFE_INTEGER + 1 (loses precision)
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||||
2147483648 // i32::MAX + 1
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||||
```
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||||
|
||||
### 3.2 Negative Zero
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||||
```javascript
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-0 === 0 // true
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Object.is(-0, 0) // false
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||||
1/-0 // -Infinity
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||||
```
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||||
|
||||
### 3.3 Sparse Arrays
|
||||
```javascript
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const arr = [1, , 3] // Hole at index 1
|
||||
arr.map(x => x * 2) // Holes might be handled differently
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||||
arr.filter(x => true) // Holes might be skipped or preserved
|
||||
```
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||||
|
||||
### 3.4 Unicode Edge Cases
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||||
```javascript
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||||
"🎉".length // 2 (surrogate pairs)
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||||
"🎉".split('') // Might differ
|
||||
[..."🎉"] // Might differ
|
||||
"café" === "café" // NFC vs NFD normalization
|
||||
```
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||||
|
||||
### 3.5 Prototype Chain
|
||||
```javascript
|
||||
const obj = Object.create({ inherited: 1 });
|
||||
obj.own = 2;
|
||||
Object.keys(obj) // Should only return ['own']
|
||||
```
|
||||
|
||||
### 3.6 Getter/Setter Properties
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||||
```javascript
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||||
const obj = {
|
||||
get prop() { return 42; },
|
||||
set prop(v) { }
|
||||
};
|
||||
obj.prop // Should return 42
|
||||
```
|
||||
|
||||
### 3.7 Circular References
|
||||
```javascript
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||||
const obj = { a: 1 };
|
||||
obj.self = obj;
|
||||
JSON.stringify(obj) // Should throw in both
|
||||
```
|
||||
|
||||
### 3.8 Array-like Objects
|
||||
```javascript
|
||||
const arrayLike = { 0: 'a', 1: 'b', length: 2 };
|
||||
Array.from(arrayLike) // Should work in both
|
||||
```
|
||||
|
||||
## 4. Recommended Additional Tests
|
||||
|
||||
### High Priority (Add to parity tests):
|
||||
1. Large integers (i32 boundary, MAX_SAFE_INTEGER boundary)
|
||||
2. `Array.prototype.at()` and `String.prototype.at()`
|
||||
3. Sparse arrays with holes
|
||||
4. Emoji/surrogate pair handling
|
||||
5. Object property order verification
|
||||
|
||||
### Medium Priority:
|
||||
1. Getter/setter access
|
||||
2. Prototype chain behavior
|
||||
3. Array-like object conversion
|
||||
4. Error message format differences
|
||||
|
||||
### Low Priority (Unlikely to be used in expressions):
|
||||
1. WeakMap/WeakSet
|
||||
2. Generators
|
||||
3. Symbols
|
||||
4. Proxy edge cases
|
||||
|
||||
## 5. Known Safe Patterns
|
||||
|
||||
These patterns are safe to use and have been verified:
|
||||
- All arithmetic and comparison operators
|
||||
- All standard array methods (map, filter, reduce, etc.)
|
||||
- All standard string methods
|
||||
- Object spread and destructuring
|
||||
- Optional chaining and nullish coalescing
|
||||
- Template literals
|
||||
- Arrow functions
|
||||
- Try-catch blocks
|
||||
- `flow_input`, `flow_env`, `previous_result`, `results` access
|
||||
- JSON operations
|
||||
- Date operations with UTC methods
|
||||
- Regular expressions (basic patterns without lookbehind)
|
||||
|
||||
## 6. Test Coverage Summary
|
||||
|
||||
### Unit Parity Tests (114 tests in js_eval_parity_tests.rs)
|
||||
- Basic arithmetic, comparison, logical, and bitwise operators
|
||||
- Object operations: property access, spread, destructuring
|
||||
- Array operations: map, filter, reduce, find, some, every, slice, flat, etc.
|
||||
- String operations: all standard methods
|
||||
- Template literals with complex expressions
|
||||
- Optional chaining and nullish coalescing
|
||||
- Set and Map operations
|
||||
- JSON parse/stringify
|
||||
- Date operations with UTC methods
|
||||
- Error handling with try-catch
|
||||
- Large integer handling (i32 boundaries, timestamps, MAX_SAFE_INTEGER)
|
||||
- Unicode and special characters
|
||||
- Type coercion
|
||||
|
||||
### Flow Engine Parity Tests (19 tests in flow_engine_parity.rs)
|
||||
All tests pass with both Deno Core and QuickJS:
|
||||
|
||||
1. **Linear flow with input transforms** - `results.a.property` access
|
||||
2. **For-loop with complex iterator** - `results.a.users.filter(...)`
|
||||
3. **Branch conditions** - `results.a.status === 'premium' && results.a.score >= 90`
|
||||
4. **Previous result aggregation** - `previous_result.value`, `results.a.value + results.b.value`
|
||||
5. **Nested complexity** - Deep result access across loop iterations
|
||||
6. **Parallel for-loops** - Multiple concurrent iterations
|
||||
7. **Skip-if expressions** - Conditional step execution
|
||||
8. **Object transformations** - Complex data manipulation
|
||||
9. **Template literals** - `\`Status: ${results.a.status}\``
|
||||
10. **Optional chaining** - `results.a.user?.name`, `results.a?.missing?.value ?? 'default'`
|
||||
11. **Flow env access** - `flow_env.CONFIG.apiUrl`
|
||||
12. **Combined flow_input and flow_env**
|
||||
13. **Results optional chaining** - Deep optional chaining with results proxy
|
||||
14. **Large integers** - Timestamps, i32 boundaries through results
|
||||
15. **Unicode and emoji** - Strings with unicode through flow results
|
||||
16. **Complex array operations** - Sort, filter/map chains, reduce through results
|
||||
17. **Multiline expressions** - Multi-statement expressions with semicolons and return
|
||||
18. **Spread operators** - `{...results.a.config}`, `[...results.a.tags]`
|
||||
19. **Nested for-loop results access** - Accessing outer step results from inner loops
|
||||
|
||||
## 7. Conclusion
|
||||
|
||||
The QuickJS migration is **safe** for the vast majority of flow expressions. Comprehensive testing shows:
|
||||
|
||||
- **133 total parity tests pass** (114 unit + 19 flow engine)
|
||||
- All tests pass with both Deno Core and QuickJS
|
||||
- No behavioral differences detected in production-like scenarios
|
||||
|
||||
### ES2022+ Method Support (All SUPPORTED in both engines):
|
||||
|
||||
Tested and verified to work identically:
|
||||
- `Array.prototype.at()` - ES2022 ✅
|
||||
- `String.prototype.at()` - ES2022 ✅
|
||||
- `Object.hasOwn()` - ES2022 ✅
|
||||
- `String.prototype.replaceAll()` - ES2021 ✅
|
||||
- `Array.prototype.findLast()` - ES2023 ✅
|
||||
- `Array.prototype.findLastIndex()` - ES2023 ✅
|
||||
- `Array.prototype.toSorted()` - ES2023 ✅
|
||||
- `Array.prototype.toReversed()` - ES2023 ✅
|
||||
- `Array.prototype.toSpliced()` - ES2023 ✅
|
||||
- `Array.prototype.with()` - ES2023 ✅
|
||||
- `Object.groupBy()` - ES2024 ✅
|
||||
|
||||
### Regex Feature Support (All SUPPORTED in both engines):
|
||||
|
||||
- Lookbehind assertions `(?<=...)` ✅
|
||||
- Negative lookbehind `(?<!...)` ✅
|
||||
- Named capture groups `(?<name>...)` ✅
|
||||
- `d` flag (indices) ✅
|
||||
|
||||
### Browser API Parity (Both engines return undefined):
|
||||
|
||||
These APIs are NOT available in either engine (consistent behavior):
|
||||
- `atob` / `btoa` - Both return `typeof === "undefined"` ✅
|
||||
- `TextEncoder` / `TextDecoder` - Both return `typeof === "undefined"` ✅
|
||||
- `URL` / `URLSearchParams` - Both return `typeof === "undefined"` ✅
|
||||
|
||||
### BREAKING CHANGE IDENTIFIED:
|
||||
|
||||
**Intl API** - ONLY breaking change found:
|
||||
- Deno Core: `typeof Intl === "object"` (available)
|
||||
- QuickJS: `typeof Intl === "undefined"` (NOT available)
|
||||
|
||||
Expressions using these will FAIL with QuickJS:
|
||||
- `new Intl.NumberFormat('en-US').format(1234567.89)`
|
||||
- `new Intl.DateTimeFormat('en-US').format(new Date())`
|
||||
- `num.toLocaleString('de-DE')`
|
||||
- `date.toLocaleDateString('fr-FR')`
|
||||
|
||||
**Mitigation**: Search production logs for `Intl` usage in flow expressions before migration.
|
||||
|
||||
### Recommendations:
|
||||
|
||||
1. ✅ Run the parity tests to verify current implementation (132 unit tests + 19 flow engine tests pass)
|
||||
2. ✅ Add tests for edge cases (large integers, optional chaining, spread, multiline)
|
||||
3. ✅ Test ES2022+ methods - All supported (Array.at, Object.hasOwn, etc.)
|
||||
4. ✅ Test regex features - All supported (lookbehind, named groups)
|
||||
5. ⚠️ **Search production for `Intl` usage** - Only confirmed breaking change
|
||||
6. Run `USE_QUICKJS_FOR_FLOW_EVAL=1` in staging before full production rollout
|
||||
7. Consider adding `Intl` polyfill to QuickJS if production usage is found
|
||||
|
||||
### Commands to Run Tests:
|
||||
|
||||
```bash
|
||||
# Run all parity tests (132 tests)
|
||||
cargo test --features deno_core,quickjs -p windmill-worker -- parity_
|
||||
|
||||
# Run flow engine tests with both engines (19 tests)
|
||||
cargo test --features deno_core -p windmill --test flow_engine_parity
|
||||
USE_QUICKJS_FOR_FLOW_EVAL=1 cargo test --features deno_core,quickjs -p windmill --test flow_engine_parity
|
||||
```
|
||||
1814
backend/tests/flow_engine_parity.rs
Normal file
1814
backend/tests/flow_engine_parity.rs
Normal file
File diff suppressed because it is too large
Load Diff
@@ -22,7 +22,8 @@ flow_testing = []
|
||||
cloud = []
|
||||
sqlx = []
|
||||
deno_core = ["dep:deno_fetch", "dep:deno_webidl", "dep:deno_web", "dep:deno_net", "dep:deno_console", "dep:deno_url", "dep:deno_core",
|
||||
"dep:deno_ast", "dep:deno_tls", "dep:deno_permissions", "dep:deno_io", "dep:deno_runtime", "dep:deno_telemetry", "dep:deno_error", "dep:winapi", "dep:rustls-pemfile"]
|
||||
"dep:deno_ast", "dep:deno_tls", "dep:deno_permissions", "dep:deno_io", "dep:deno_runtime", "dep:deno_telemetry", "dep:deno_error", "dep:winapi", "dep:rustls-pemfile",
|
||||
"quickjs"]
|
||||
libffi_mac = ["dep:libffi-sys"]
|
||||
otel = ["windmill-common/otel", "dep:opentelemetry", "dep:tracing-opentelemetry"]
|
||||
dind = ["dep:bollard"]
|
||||
@@ -36,6 +37,7 @@ nu = ["dep:windmill-parser-nu"]
|
||||
java = ["dep:windmill-parser-java"]
|
||||
ruby = ["dep:windmill-parser-ruby"]
|
||||
duckdb = ["dep:libloading"]
|
||||
quickjs = ["dep:rquickjs"]
|
||||
bedrock = ["dep:aws-sdk-bedrockruntime", "windmill-common/bedrock"]
|
||||
|
||||
[dependencies]
|
||||
@@ -145,6 +147,7 @@ prost.workspace = true
|
||||
axum.workspace = true
|
||||
bollard = { workspace = true, optional = true }
|
||||
oracle = { workspace = true, optional = true }
|
||||
rquickjs = { workspace = true, optional = true }
|
||||
hudsucker.workspace = true
|
||||
hyper-http-proxy.workspace = true
|
||||
hyper-tls.workspace = true
|
||||
|
||||
@@ -29,6 +29,8 @@ use deno_web::{BlobStore, TimersPermission};
|
||||
#[cfg(feature = "deno_core")]
|
||||
use itertools::Itertools;
|
||||
use lazy_static::lazy_static;
|
||||
#[cfg(feature = "quickjs")]
|
||||
use once_cell::sync::Lazy;
|
||||
use regex::Regex;
|
||||
use serde_json::value::RawValue;
|
||||
use sqlx::types::Json;
|
||||
@@ -393,6 +395,35 @@ pub async fn eval_timeout(
|
||||
}
|
||||
}
|
||||
|
||||
// Use QuickJS if enabled and either deno_core is not available or USE_QUICKJS env var is set
|
||||
#[cfg(all(feature = "quickjs", not(feature = "deno_core")))]
|
||||
{
|
||||
return crate::js_eval_quickjs::eval_timeout_quickjs(
|
||||
expr,
|
||||
transform_context,
|
||||
flow_input,
|
||||
flow_env,
|
||||
authed_client,
|
||||
by_id,
|
||||
ctx,
|
||||
)
|
||||
.await;
|
||||
}
|
||||
|
||||
#[cfg(all(feature = "quickjs", feature = "deno_core"))]
|
||||
if *USE_QUICKJS {
|
||||
return crate::js_eval_quickjs::eval_timeout_quickjs(
|
||||
expr,
|
||||
transform_context,
|
||||
flow_input,
|
||||
flow_env,
|
||||
authed_client,
|
||||
by_id,
|
||||
ctx,
|
||||
)
|
||||
.await;
|
||||
}
|
||||
|
||||
#[cfg(not(feature = "deno_core"))]
|
||||
{
|
||||
#[allow(unreachable_code)]
|
||||
@@ -522,8 +553,8 @@ pub async fn eval_timeout(
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(feature = "deno_core")]
|
||||
fn replace_with_await(expr: String, fn_name: &str) -> String {
|
||||
#[cfg(any(feature = "deno_core", feature = "quickjs"))]
|
||||
pub fn replace_with_await(expr: String, fn_name: &str) -> String {
|
||||
let sep = format!("{}(", fn_name);
|
||||
let mut split = expr.split(&sep);
|
||||
let mut s = split.next().unwrap_or_else(|| "").to_string();
|
||||
@@ -545,12 +576,16 @@ lazy_static! {
|
||||
Regex::new(r"^(https?)://(([^:@\s]+):([^:@\s]+)@)?([^:@\s]+)(:(\d+))?$").unwrap();
|
||||
}
|
||||
|
||||
#[cfg(feature = "deno_core")]
|
||||
fn replace_with_await_result(expr: String) -> String {
|
||||
#[cfg(feature = "quickjs")]
|
||||
#[allow(dead_code)] // Only used when both quickjs and deno_core features are enabled
|
||||
static USE_QUICKJS: Lazy<bool> = Lazy::new(|| std::env::var("USE_QUICKJS_FOR_FLOW_EVAL").is_ok());
|
||||
|
||||
#[cfg(any(feature = "deno_core", feature = "quickjs"))]
|
||||
pub fn replace_with_await_result(expr: String) -> String {
|
||||
RE.replace_all(&expr, "(await $r)").to_string()
|
||||
}
|
||||
|
||||
#[cfg(feature = "deno_core")]
|
||||
#[cfg(any(feature = "deno_core", feature = "quickjs"))]
|
||||
fn add_closing_bracket(s: &str) -> String {
|
||||
let mut s = s.to_string();
|
||||
let mut level = 1;
|
||||
|
||||
4045
backend/windmill-worker/src/js_eval_parity_tests.rs
Normal file
4045
backend/windmill-worker/src/js_eval_parity_tests.rs
Normal file
File diff suppressed because it is too large
Load Diff
788
backend/windmill-worker/src/js_eval_quickjs.rs
Normal file
788
backend/windmill-worker/src/js_eval_quickjs.rs
Normal file
@@ -0,0 +1,788 @@
|
||||
/*
|
||||
* Author: Ruben Fiszel
|
||||
* Copyright: Windmill Labs, Inc 2022
|
||||
* This file and its contents are licensed under the AGPLv3 License.
|
||||
* Please see the included NOTICE for copyright information and
|
||||
* LICENSE-AGPL for a copy of the license.
|
||||
*/
|
||||
|
||||
//! QuickJS-based JavaScript expression evaluation for flow transformations.
|
||||
//!
|
||||
//! This module provides an alternative to deno_core for evaluating arbitrary JavaScript
|
||||
//! expressions in flow transformations. QuickJS offers significantly faster startup times
|
||||
//! (~200μs vs ~3ms for V8), making it ideal for evaluating many small expressions.
|
||||
//!
|
||||
//! ## Performance Characteristics (release mode benchmarks)
|
||||
//! - **Simple expressions**: ~238μs (QuickJS) vs ~3.05ms (deno_core) = **~13x faster**
|
||||
//! - **Complex expressions**: ~192μs (QuickJS) vs ~3.09ms (deno_core) = **~16x faster**
|
||||
//! - **Memory**: ~2.5% of V8's footprint
|
||||
//!
|
||||
//! For flow expression evaluation where startup time dominates, QuickJS is significantly
|
||||
//! faster overall despite being slower for long-running CPU-intensive code.
|
||||
//!
|
||||
//! ## Async Operations
|
||||
//! This implementation uses true async Rust callbacks (similar to deno_core's ops) for
|
||||
//! `variable()`, `resource()`, and `results.xxx` access. The async functions use
|
||||
//! rquickjs's `Async<MutFn<...>>` wrapper which returns JavaScript Promises that are
|
||||
//! resolved when the Rust async operations complete. No pre-fetching is required.
|
||||
|
||||
use std::collections::HashMap;
|
||||
use std::sync::Arc;
|
||||
|
||||
use rquickjs::{
|
||||
async_with,
|
||||
prelude::{Async, Func, MutFn},
|
||||
AsyncContext, AsyncRuntime, CatchResultExt, FromJs, IntoJs, Object, Value,
|
||||
};
|
||||
use serde_json::value::RawValue;
|
||||
|
||||
use windmill_common::client::AuthedClient;
|
||||
use windmill_common::flow_status::JobResult;
|
||||
|
||||
use crate::js_eval::{replace_with_await, replace_with_await_result, IdContext};
|
||||
|
||||
/// Shared state for async operations within QuickJS
|
||||
#[derive(Clone)]
|
||||
struct AsyncOpState {
|
||||
client: AuthedClient,
|
||||
}
|
||||
|
||||
/// Evaluates a JavaScript expression using QuickJS runtime.
|
||||
///
|
||||
/// This function provides the same interface as `eval_timeout` but uses QuickJS
|
||||
/// instead of deno_core/V8 for potentially faster startup times.
|
||||
///
|
||||
/// Unlike deno_core, this uses true async Rust callbacks for `variable()`,
|
||||
/// `resource()`, and `results.xxx` access - no pre-fetching required.
|
||||
pub async fn eval_timeout_quickjs(
|
||||
expr: String,
|
||||
transform_context: HashMap<String, Arc<Box<RawValue>>>,
|
||||
flow_input: Option<mappable_rc::Marc<HashMap<String, Box<RawValue>>>>,
|
||||
flow_env: Option<&HashMap<String, Box<RawValue>>>,
|
||||
authed_client: Option<&AuthedClient>,
|
||||
by_id: Option<&IdContext>,
|
||||
ctx: Option<Vec<(String, String)>>,
|
||||
) -> anyhow::Result<Box<RawValue>> {
|
||||
let expr = expr.trim().to_string();
|
||||
|
||||
tracing::debug!(
|
||||
"evaluating js eval (quickjs): {} with context {:?}",
|
||||
expr,
|
||||
transform_context
|
||||
);
|
||||
|
||||
// Clone data for the blocking task
|
||||
let by_id_clone = by_id.cloned();
|
||||
let flow_input_clone = flow_input.clone();
|
||||
let flow_env_clone = flow_env.cloned();
|
||||
let authed_client_clone = authed_client.cloned();
|
||||
|
||||
// Determine which context keys are actually used in the expression
|
||||
let p_ids = by_id.map(|x| {
|
||||
[
|
||||
format!("results.{}", x.previous_id),
|
||||
format!("results?.{}", x.previous_id),
|
||||
format!("results[\"{}\"]", x.previous_id),
|
||||
format!("results?.[\"{}\"]", x.previous_id),
|
||||
]
|
||||
});
|
||||
|
||||
let mut context_keys: Vec<String> = transform_context
|
||||
.keys()
|
||||
.filter(|x| expr.contains(&x.to_string()))
|
||||
.cloned()
|
||||
.collect();
|
||||
|
||||
if !context_keys.contains(&"previous_result".to_string())
|
||||
&& (p_ids.is_some() && p_ids.as_ref().unwrap().iter().any(|x| expr.contains(x)))
|
||||
|| expr.contains("error")
|
||||
{
|
||||
context_keys.push("previous_result".to_string());
|
||||
}
|
||||
|
||||
let has_flow_input = expr.contains("flow_input");
|
||||
if has_flow_input {
|
||||
context_keys.push("flow_input".to_string())
|
||||
}
|
||||
|
||||
// Filter transform_context to only include used keys
|
||||
let filtered_context: HashMap<String, Arc<Box<RawValue>>> = transform_context
|
||||
.into_iter()
|
||||
.filter(|(k, _)| context_keys.contains(k))
|
||||
.collect();
|
||||
|
||||
let expr_clone = expr.clone();
|
||||
|
||||
// Run the QuickJS evaluation with a timeout
|
||||
tokio::time::timeout(
|
||||
std::time::Duration::from_millis(10000),
|
||||
tokio::task::spawn_blocking(move || {
|
||||
// Create a new tokio runtime for async operations within the blocking context
|
||||
let rt = tokio::runtime::Builder::new_current_thread()
|
||||
.enable_all()
|
||||
.build()?;
|
||||
|
||||
rt.block_on(async move {
|
||||
eval_quickjs_inner(
|
||||
&expr_clone,
|
||||
filtered_context,
|
||||
flow_input_clone,
|
||||
flow_env_clone,
|
||||
authed_client_clone,
|
||||
by_id_clone,
|
||||
ctx,
|
||||
context_keys,
|
||||
)
|
||||
.await
|
||||
})
|
||||
}),
|
||||
)
|
||||
.await
|
||||
.map_err(|_| {
|
||||
anyhow::anyhow!(
|
||||
"The expression evaluation `{expr}` took too long to execute (>10000ms)"
|
||||
)
|
||||
})??
|
||||
}
|
||||
|
||||
async fn eval_quickjs_inner(
|
||||
expr: &str,
|
||||
transform_context: HashMap<String, Arc<Box<RawValue>>>,
|
||||
flow_input: Option<mappable_rc::Marc<HashMap<String, Box<RawValue>>>>,
|
||||
flow_env: Option<HashMap<String, Box<RawValue>>>,
|
||||
authed_client: Option<AuthedClient>,
|
||||
by_id: Option<IdContext>,
|
||||
extra_ctx: Option<Vec<(String, String)>>,
|
||||
context_keys: Vec<String>,
|
||||
) -> anyhow::Result<Box<RawValue>> {
|
||||
let runtime = AsyncRuntime::new()?;
|
||||
let context = AsyncContext::full(&runtime).await?;
|
||||
|
||||
// Create shared state for async ops if we have a client
|
||||
let op_state = authed_client.map(|client| Arc::new(AsyncOpState { client }));
|
||||
|
||||
let op_state_clone = op_state.clone();
|
||||
let by_id_clone = by_id.clone();
|
||||
|
||||
// Transform expression to add await for variable/resource/results access
|
||||
let expr_with_funcs = ["variable", "resource"]
|
||||
.into_iter()
|
||||
.fold(expr.to_string(), replace_with_await);
|
||||
let transformed_expr = replace_with_await_result(expr_with_funcs);
|
||||
|
||||
async_with!(context => |ctx| {
|
||||
let globals = ctx.globals();
|
||||
|
||||
// Set up context variables
|
||||
for key in &context_keys {
|
||||
if key == "flow_input" {
|
||||
if let Some(ref fi) = flow_input {
|
||||
let json_str = serde_json::to_string(fi.as_ref())?;
|
||||
let val: serde_json::Value = serde_json::from_str(&json_str)?;
|
||||
let js_val = json_to_js(&ctx, &val)?;
|
||||
globals.set(key.as_str(), js_val)?;
|
||||
} else {
|
||||
globals.set(key.as_str(), Value::new_null(ctx.clone()))?;
|
||||
}
|
||||
} else if let Some(raw_val) = transform_context.get(key) {
|
||||
let val: serde_json::Value = serde_json::from_str(raw_val.get())?;
|
||||
let js_val = json_to_js(&ctx, &val)?;
|
||||
globals.set(key.as_str(), js_val)?;
|
||||
}
|
||||
}
|
||||
|
||||
// Set up flow_env if referenced
|
||||
if expr.contains("flow_env") {
|
||||
if let Some(ref fe) = flow_env {
|
||||
let obj = Object::new(ctx.clone())?;
|
||||
for (k, v) in fe {
|
||||
let val: serde_json::Value = serde_json::from_str(v.get())?;
|
||||
let js_val = json_to_js(&ctx, &val)?;
|
||||
obj.set(k.as_str(), js_val)?;
|
||||
}
|
||||
globals.set("flow_env", obj)?;
|
||||
} else {
|
||||
globals.set("flow_env", Object::new(ctx.clone())?)?;
|
||||
}
|
||||
}
|
||||
|
||||
// Set up additional context variables
|
||||
if let Some(ctx_vars) = extra_ctx {
|
||||
for (k, v) in ctx_vars {
|
||||
globals.set(k.as_str(), v.as_str())?;
|
||||
}
|
||||
}
|
||||
|
||||
// Set up error extraction if needed
|
||||
if expr.contains("error") && context_keys.contains(&"previous_result".to_string()) {
|
||||
let error_setup = r#"
|
||||
let error = previous_result?.error;
|
||||
if (!error) {
|
||||
if (Array.isArray(previous_result)) {
|
||||
const errors = previous_result.filter(item => item && typeof item === 'object' && 'error' in item);
|
||||
if (errors.length === 1) {
|
||||
error = errors[0].error;
|
||||
} else if (errors.length > 1) {
|
||||
error = {
|
||||
name: 'MultipleErrors',
|
||||
message: errors.map(({ error: e }, i) => `[${e.step_id || i}] ${e.message || e.name}`).join('; '),
|
||||
errors: previous_result
|
||||
};
|
||||
} else {
|
||||
error = {
|
||||
name: 'MultipleErrors',
|
||||
message: "Could not parse errors",
|
||||
errors: previous_result
|
||||
};
|
||||
}
|
||||
} else {
|
||||
if (previous_result) {
|
||||
error = { name: 'UnknownError', message: 'Could not parse the error', error: previous_result };
|
||||
} else {
|
||||
error = { name: 'UnknownError', message: 'No error found' };
|
||||
}
|
||||
}
|
||||
}
|
||||
"#;
|
||||
ctx.eval::<(), _>(error_setup).catch(&ctx).map_err(quickjs_error_to_anyhow)?;
|
||||
}
|
||||
|
||||
// Set up async functions if we have a client
|
||||
if let Some(ref state) = op_state_clone {
|
||||
setup_async_ops(&ctx, &globals, state.clone())?;
|
||||
} else {
|
||||
// Set up stub functions that throw errors
|
||||
setup_stub_functions(&ctx, &globals)?;
|
||||
}
|
||||
|
||||
// Set up results proxy if we have by_id context
|
||||
if let Some(ref by_id) = by_id_clone {
|
||||
setup_results_proxy(&ctx, &globals, by_id, op_state_clone.clone())?;
|
||||
}
|
||||
|
||||
// Determine if we need to add return statement
|
||||
let code = if should_add_return_quickjs(&transformed_expr) {
|
||||
format!("(async function() {{ return {}; }})()", transformed_expr)
|
||||
} else {
|
||||
format!("(async function() {{ {} }})()", transformed_expr)
|
||||
};
|
||||
|
||||
// Evaluate the expression (returns a Promise)
|
||||
let promise: rquickjs::Promise = ctx.eval(code).catch(&ctx).map_err(quickjs_error_to_anyhow)?;
|
||||
|
||||
// Await the promise
|
||||
let result: Value = promise.into_future().await.catch(&ctx).map_err(quickjs_error_to_anyhow)?;
|
||||
|
||||
// Convert result to JSON
|
||||
let json_result = js_to_json(&ctx, &result)?;
|
||||
let json_str = serde_json::to_string(&json_result)?;
|
||||
|
||||
Ok(windmill_common::worker::to_raw_value(&serde_json::from_str::<serde_json::Value>(&json_str)?))
|
||||
})
|
||||
.await
|
||||
}
|
||||
|
||||
/// Set up async variable() and resource() functions using true Rust async callbacks.
|
||||
///
|
||||
/// This uses rquickjs's `Async<MutFn<...>>` wrapper to create JavaScript functions that
|
||||
/// return Promises. The Promises are resolved by spawned Rust async operations.
|
||||
fn setup_async_ops<'js>(
|
||||
ctx: &rquickjs::Ctx<'js>,
|
||||
globals: &Object<'js>,
|
||||
state: Arc<AsyncOpState>,
|
||||
) -> anyhow::Result<()> {
|
||||
// Error prefix - must match the JavaScript side
|
||||
const ERR_PREFIX: &str = "\x00__WINDMILL_ERR__\x00";
|
||||
|
||||
// Create variable() function with true async Rust callback
|
||||
// Returns a JSON string that JavaScript will parse
|
||||
let state_for_var = state.clone();
|
||||
globals.set(
|
||||
"__fetchVariable",
|
||||
Func::from(Async(MutFn::new(move |path: String| {
|
||||
let client = state_for_var.client.clone();
|
||||
async move {
|
||||
match client.get_variable_value(&path).await {
|
||||
Ok(value) => value,
|
||||
Err(e) => format!("{}{}", ERR_PREFIX, e),
|
||||
}
|
||||
}
|
||||
}))),
|
||||
)?;
|
||||
|
||||
// Create resource() function - returns JSON string
|
||||
let state_for_res = state.clone();
|
||||
globals.set(
|
||||
"__fetchResource",
|
||||
Func::from(Async(MutFn::new(move |path: String| {
|
||||
let client = state_for_res.client.clone();
|
||||
async move {
|
||||
match client
|
||||
.get_resource_value_interpolated::<serde_json::Value>(&path, None)
|
||||
.await
|
||||
{
|
||||
Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
|
||||
Err(e) => format!("{}{}", ERR_PREFIX, e),
|
||||
}
|
||||
}
|
||||
}))),
|
||||
)?;
|
||||
|
||||
// Create JavaScript wrappers that parse the JSON results
|
||||
// We use a unique prefix that's extremely unlikely to appear in real data
|
||||
let wrapper_code = r#"
|
||||
const __ERR_PREFIX = '\x00__WINDMILL_ERR__\x00';
|
||||
|
||||
async function variable(path) {
|
||||
const result = await __fetchVariable(path);
|
||||
if (typeof result === 'string' && result.startsWith(__ERR_PREFIX)) {
|
||||
throw new Error(result.substring(__ERR_PREFIX.length));
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
async function resource(path) {
|
||||
const result = await __fetchResource(path);
|
||||
if (typeof result === 'string' && result.startsWith(__ERR_PREFIX)) {
|
||||
throw new Error(result.substring(__ERR_PREFIX.length));
|
||||
}
|
||||
return JSON.parse(result);
|
||||
}
|
||||
"#;
|
||||
|
||||
ctx.eval::<(), _>(wrapper_code)
|
||||
.catch(ctx)
|
||||
.map_err(quickjs_error_to_anyhow)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Set up stub functions that throw errors when no client is available
|
||||
fn setup_stub_functions<'js>(
|
||||
ctx: &rquickjs::Ctx<'js>,
|
||||
_globals: &Object<'js>,
|
||||
) -> anyhow::Result<()> {
|
||||
let setup_code = r#"
|
||||
function variable(path) {
|
||||
return Promise.reject(new Error(`variable() is not available without an authenticated client`));
|
||||
}
|
||||
|
||||
function resource(path) {
|
||||
return Promise.reject(new Error(`resource() is not available without an authenticated client`));
|
||||
}
|
||||
"#;
|
||||
|
||||
ctx.eval::<(), _>(setup_code)
|
||||
.catch(ctx)
|
||||
.map_err(quickjs_error_to_anyhow)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Set up the `results` Proxy object with dynamic access to step results.
|
||||
///
|
||||
/// Uses async Rust callbacks to fetch results on-demand when accessed.
|
||||
fn setup_results_proxy<'js>(
|
||||
ctx: &rquickjs::Ctx<'js>,
|
||||
globals: &Object<'js>,
|
||||
by_id: &IdContext,
|
||||
op_state: Option<Arc<AsyncOpState>>,
|
||||
) -> anyhow::Result<()> {
|
||||
// Store previous_id for the shortcut optimization
|
||||
globals.set("__previous_id", by_id.previous_id.clone())?;
|
||||
|
||||
// Create async __getResult function that fetches step results via Rust
|
||||
if let Some(state) = op_state {
|
||||
let by_id_for_result = by_id.clone();
|
||||
globals.set(
|
||||
"__fetchResult",
|
||||
Func::from(Async(MutFn::new(move |step_id: String| {
|
||||
let client = state.client.clone();
|
||||
let by_id = by_id_for_result.clone();
|
||||
let step_id_clone = step_id.clone();
|
||||
|
||||
// Look up the job ID(s) for this step from the local cache
|
||||
let job_result = by_id.steps_results.get(&step_id).cloned();
|
||||
let flow_job_id = by_id.flow_job.to_string();
|
||||
|
||||
async move {
|
||||
const ERR_PREFIX: &str = "\x00__WINDMILL_ERR__\x00";
|
||||
|
||||
let result: Result<serde_json::Value, String> = match job_result {
|
||||
Some(jr) => {
|
||||
// Found in local cache, fetch result by job ID
|
||||
match jr {
|
||||
JobResult::SingleJob(job_id) => {
|
||||
client
|
||||
.get_completed_job_result::<serde_json::Value>(&job_id.to_string(), None)
|
||||
.await
|
||||
.map_err(|e| format!("Failed to fetch result for step '{}': {}", step_id_clone, e))
|
||||
}
|
||||
JobResult::ListJob(job_ids) => {
|
||||
let futs = job_ids.iter().map(|job_id| {
|
||||
let client = client.clone();
|
||||
let job_id_str = job_id.to_string();
|
||||
async move {
|
||||
client
|
||||
.get_completed_job_result::<serde_json::Value>(&job_id_str, None)
|
||||
.await
|
||||
}
|
||||
});
|
||||
let results: Vec<_> = futures::future::join_all(futs).await;
|
||||
let collected: Result<Vec<_>, _> = results.into_iter().collect();
|
||||
collected
|
||||
.map(serde_json::Value::Array)
|
||||
.map_err(|e| format!("Failed to fetch results for step '{}': {}", step_id_clone, e))
|
||||
}
|
||||
}
|
||||
}
|
||||
None => {
|
||||
// Not in local cache, fallback to querying by flow_job_id and step_id
|
||||
// This happens for branch modules that need to access parent flow step results
|
||||
client
|
||||
.get_result_by_id::<serde_json::Value>(&flow_job_id, &step_id_clone, None)
|
||||
.await
|
||||
.map_err(|e| format!("Failed to fetch result for step '{}': {}", step_id_clone, e))
|
||||
}
|
||||
};
|
||||
|
||||
match result {
|
||||
Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
|
||||
Err(e) => format!("{}{}", ERR_PREFIX, e),
|
||||
}
|
||||
}
|
||||
}))),
|
||||
)?;
|
||||
|
||||
// Create JavaScript wrapper that parses the JSON result
|
||||
let wrapper_code = r#"
|
||||
const __RESULT_ERR_PREFIX = '\x00__WINDMILL_ERR__\x00';
|
||||
async function __getResult(stepId) {
|
||||
const result = await __fetchResult(stepId);
|
||||
if (typeof result === 'string' && result.startsWith(__RESULT_ERR_PREFIX)) {
|
||||
throw new Error(result.substring(__RESULT_ERR_PREFIX.length));
|
||||
}
|
||||
return JSON.parse(result);
|
||||
}
|
||||
"#;
|
||||
ctx.eval::<(), _>(wrapper_code)
|
||||
.catch(ctx)
|
||||
.map_err(quickjs_error_to_anyhow)?;
|
||||
} else {
|
||||
// No client - stub function that rejects
|
||||
let stub_code = r#"
|
||||
function __getResult(stepId) {
|
||||
return Promise.reject(new Error('Result fetching not available without authenticated client'));
|
||||
}
|
||||
"#;
|
||||
ctx.eval::<(), _>(stub_code)
|
||||
.catch(ctx)
|
||||
.map_err(quickjs_error_to_anyhow)?;
|
||||
}
|
||||
|
||||
// Create the results proxy that calls __getResult for on-demand fetching
|
||||
// Matches deno_core behavior: always try to fetch, let backend handle unknown step IDs
|
||||
let proxy_setup = r#"
|
||||
const results = new Proxy({}, {
|
||||
get: function(target, name, receiver) {
|
||||
// Handle symbol properties (like Symbol.toStringTag)
|
||||
if (typeof name === 'symbol') {
|
||||
return undefined;
|
||||
}
|
||||
|
||||
// Check if it's the previous_id and previous_result exists
|
||||
if (name === __previous_id && typeof previous_result !== 'undefined') {
|
||||
return Promise.resolve(previous_result);
|
||||
}
|
||||
|
||||
// Always try to fetch - let Rust/backend handle unknown step IDs
|
||||
// This matches deno_core behavior
|
||||
return __getResult(name);
|
||||
}
|
||||
});
|
||||
"#;
|
||||
ctx.eval::<(), _>(proxy_setup)
|
||||
.catch(ctx)
|
||||
.map_err(quickjs_error_to_anyhow)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Convert a serde_json::Value to a QuickJS Value
|
||||
fn json_to_js<'js>(
|
||||
ctx: &rquickjs::Ctx<'js>,
|
||||
val: &serde_json::Value,
|
||||
) -> rquickjs::Result<Value<'js>> {
|
||||
match val {
|
||||
serde_json::Value::Null => Ok(Value::new_null(ctx.clone())),
|
||||
serde_json::Value::Bool(b) => Ok(Value::new_bool(ctx.clone(), *b)),
|
||||
serde_json::Value::Number(n) => {
|
||||
if let Some(i) = n.as_i64() {
|
||||
if i >= i32::MIN as i64 && i <= i32::MAX as i64 {
|
||||
Ok(Value::new_int(ctx.clone(), i as i32))
|
||||
} else {
|
||||
Ok(Value::new_float(ctx.clone(), i as f64))
|
||||
}
|
||||
} else if let Some(f) = n.as_f64() {
|
||||
Ok(Value::new_float(ctx.clone(), f))
|
||||
} else {
|
||||
Ok(Value::new_float(ctx.clone(), 0.0))
|
||||
}
|
||||
}
|
||||
serde_json::Value::String(s) => s.clone().into_js(ctx),
|
||||
serde_json::Value::Array(arr) => {
|
||||
let js_arr = rquickjs::Array::new(ctx.clone())?;
|
||||
for (i, item) in arr.iter().enumerate() {
|
||||
js_arr.set(i, json_to_js(ctx, item)?)?;
|
||||
}
|
||||
Ok(js_arr.into_value())
|
||||
}
|
||||
serde_json::Value::Object(obj) => {
|
||||
let js_obj = Object::new(ctx.clone())?;
|
||||
for (k, v) in obj {
|
||||
js_obj.set(k.as_str(), json_to_js(ctx, v)?)?;
|
||||
}
|
||||
Ok(js_obj.into_value())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Convert a QuickJS Value to a serde_json::Value
|
||||
fn js_to_json<'js>(
|
||||
ctx: &rquickjs::Ctx<'js>,
|
||||
val: &Value<'js>,
|
||||
) -> anyhow::Result<serde_json::Value> {
|
||||
if val.is_null() || val.is_undefined() {
|
||||
return Ok(serde_json::Value::Null);
|
||||
}
|
||||
|
||||
if let Some(b) = val.as_bool() {
|
||||
return Ok(serde_json::Value::Bool(b));
|
||||
}
|
||||
|
||||
if let Some(i) = val.as_int() {
|
||||
return Ok(serde_json::Value::Number(i.into()));
|
||||
}
|
||||
|
||||
if let Some(f) = val.as_float() {
|
||||
// Check if this float represents an exact integer
|
||||
// This preserves integer formatting for values like timestamps
|
||||
if f.fract() == 0.0 && f.abs() <= (i64::MAX as f64) {
|
||||
let i = f as i64;
|
||||
// Verify the conversion is exact (for very large numbers)
|
||||
if (i as f64) == f {
|
||||
return Ok(serde_json::Value::Number(i.into()));
|
||||
}
|
||||
}
|
||||
if let Some(n) = serde_json::Number::from_f64(f) {
|
||||
return Ok(serde_json::Value::Number(n));
|
||||
} else {
|
||||
return Ok(serde_json::Value::Null);
|
||||
}
|
||||
}
|
||||
|
||||
if let Ok(s) = String::from_js(ctx, val.clone()) {
|
||||
return Ok(serde_json::Value::String(s));
|
||||
}
|
||||
|
||||
if let Ok(arr) = rquickjs::Array::from_js(ctx, val.clone()) {
|
||||
let mut json_arr = Vec::new();
|
||||
for i in 0..arr.len() {
|
||||
if let Ok(item) = arr.get::<Value>(i) {
|
||||
json_arr.push(js_to_json(ctx, &item)?);
|
||||
}
|
||||
}
|
||||
return Ok(serde_json::Value::Array(json_arr));
|
||||
}
|
||||
|
||||
if let Ok(obj) = Object::from_js(ctx, val.clone()) {
|
||||
let mut json_obj = serde_json::Map::new();
|
||||
for res in obj.props::<String, Value>() {
|
||||
if let Ok((k, v)) = res {
|
||||
json_obj.insert(k, js_to_json(ctx, &v)?);
|
||||
}
|
||||
}
|
||||
return Ok(serde_json::Value::Object(json_obj));
|
||||
}
|
||||
|
||||
// Fallback
|
||||
Ok(serde_json::Value::String("[object]".to_string()))
|
||||
}
|
||||
|
||||
/// Determines if we should prepend "return" to the expression
|
||||
fn should_add_return_quickjs(expr: &str) -> bool {
|
||||
let trimmed = expr.trim();
|
||||
|
||||
if trimmed.is_empty() {
|
||||
return true;
|
||||
}
|
||||
|
||||
if trimmed.starts_with("return ") || trimmed.starts_with("return;") || trimmed == "return" {
|
||||
return false;
|
||||
}
|
||||
|
||||
let statement_prefixes = [
|
||||
"const ", "let ", "var ", "if ", "if(", "for ", "for(", "while ", "while(", "switch ",
|
||||
"switch(", "try ", "try{", "throw ", "function ", "class ", "async ", "await ",
|
||||
];
|
||||
|
||||
for prefix in &statement_prefixes {
|
||||
if trimmed.starts_with(prefix) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
if contains_semicolon_outside_strings(trimmed) {
|
||||
return false;
|
||||
}
|
||||
|
||||
true
|
||||
}
|
||||
|
||||
fn contains_semicolon_outside_strings(expr: &str) -> bool {
|
||||
let mut in_single_quote = false;
|
||||
let mut in_double_quote = false;
|
||||
let mut in_template = false;
|
||||
let mut prev_char = '\0';
|
||||
|
||||
for ch in expr.chars() {
|
||||
match ch {
|
||||
'\'' if prev_char != '\\' && !in_double_quote && !in_template => {
|
||||
in_single_quote = !in_single_quote;
|
||||
}
|
||||
'"' if prev_char != '\\' && !in_single_quote && !in_template => {
|
||||
in_double_quote = !in_double_quote;
|
||||
}
|
||||
'`' if prev_char != '\\' && !in_single_quote && !in_double_quote => {
|
||||
in_template = !in_template;
|
||||
}
|
||||
';' if !in_single_quote && !in_double_quote && !in_template => {
|
||||
return true;
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
prev_char = ch;
|
||||
}
|
||||
|
||||
false
|
||||
}
|
||||
|
||||
fn quickjs_error_to_anyhow(err: rquickjs::CaughtError<'_>) -> anyhow::Error {
|
||||
anyhow::anyhow!("QuickJS evaluation error: {}", err)
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
use serde_json::json;
|
||||
use windmill_common::worker::to_raw_value;
|
||||
|
||||
#[tokio::test]
|
||||
async fn test_eval_quickjs_simple() -> anyhow::Result<()> {
|
||||
let mut env = HashMap::new();
|
||||
env.insert("x".to_string(), Arc::new(to_raw_value(&json!(5))));
|
||||
env.insert("y".to_string(), Arc::new(to_raw_value(&json!(3))));
|
||||
|
||||
let result =
|
||||
eval_timeout_quickjs("x + y".to_string(), env, None, None, None, None, None).await?;
|
||||
|
||||
assert_eq!(result.get(), "8");
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[tokio::test]
|
||||
async fn test_eval_quickjs_object_access() -> anyhow::Result<()> {
|
||||
let mut env = HashMap::new();
|
||||
env.insert(
|
||||
"params".to_string(),
|
||||
Arc::new(to_raw_value(&json!({"test": 42, "nested": {"value": 100}}))),
|
||||
);
|
||||
|
||||
let result = eval_timeout_quickjs(
|
||||
"params.test".to_string(),
|
||||
env.clone(),
|
||||
None,
|
||||
None,
|
||||
None,
|
||||
None,
|
||||
None,
|
||||
)
|
||||
.await?;
|
||||
|
||||
assert_eq!(result.get(), "42");
|
||||
|
||||
let result2 = eval_timeout_quickjs(
|
||||
"params.nested.value".to_string(),
|
||||
env,
|
||||
None,
|
||||
None,
|
||||
None,
|
||||
None,
|
||||
None,
|
||||
)
|
||||
.await?;
|
||||
|
||||
assert_eq!(result2.get(), "100");
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[tokio::test]
|
||||
async fn test_eval_quickjs_array() -> anyhow::Result<()> {
|
||||
let mut env = HashMap::new();
|
||||
env.insert(
|
||||
"arr".to_string(),
|
||||
Arc::new(to_raw_value(&json!([1, 2, 3, 4, 5]))),
|
||||
);
|
||||
|
||||
let result = eval_timeout_quickjs(
|
||||
"arr.map(x => x * 2)".to_string(),
|
||||
env,
|
||||
None,
|
||||
None,
|
||||
None,
|
||||
None,
|
||||
None,
|
||||
)
|
||||
.await?;
|
||||
|
||||
assert_eq!(result.get(), "[2,4,6,8,10]");
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[tokio::test]
|
||||
async fn test_eval_quickjs_flow_input() -> anyhow::Result<()> {
|
||||
let mut flow_input = HashMap::new();
|
||||
flow_input.insert("name".to_string(), to_raw_value(&json!("test")));
|
||||
flow_input.insert("count".to_string(), to_raw_value(&json!(10)));
|
||||
|
||||
let result = eval_timeout_quickjs(
|
||||
"flow_input.name".to_string(),
|
||||
HashMap::new(),
|
||||
Some(mappable_rc::Marc::new(flow_input)),
|
||||
None,
|
||||
None,
|
||||
None,
|
||||
None,
|
||||
)
|
||||
.await?;
|
||||
|
||||
assert_eq!(result.get(), "\"test\"");
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_should_add_return_quickjs() {
|
||||
assert!(should_add_return_quickjs("5"));
|
||||
assert!(should_add_return_quickjs("x + y"));
|
||||
assert!(should_add_return_quickjs("foo()"));
|
||||
|
||||
assert!(!should_add_return_quickjs("return 5"));
|
||||
assert!(!should_add_return_quickjs("return x + y"));
|
||||
|
||||
assert!(!should_add_return_quickjs("const x = 5"));
|
||||
assert!(!should_add_return_quickjs("let y = 10"));
|
||||
assert!(!should_add_return_quickjs("if (x > 5) { return x; }"));
|
||||
|
||||
assert!(!should_add_return_quickjs("let x = 5; x + 1"));
|
||||
}
|
||||
}
|
||||
@@ -42,6 +42,10 @@ pub mod job_logger;
|
||||
pub mod job_logger_ee;
|
||||
mod job_logger_oss;
|
||||
mod js_eval;
|
||||
#[cfg(feature = "quickjs")]
|
||||
pub mod js_eval_quickjs;
|
||||
#[cfg(test)]
|
||||
mod js_eval_parity_tests;
|
||||
pub mod memory_common;
|
||||
#[cfg(feature = "private")]
|
||||
pub mod memory_ee;
|
||||
|
||||
Reference in New Issue
Block a user