Publish interface

Cargo.toml

@@ -3,6 +3,9 @@ resolver = "2"
 members = [
     "components/*",
 ]
+exclude = [
+    "components/wit",
+]
 
 [workspace.dependencies]
 wit-bindgen = "0.62.0"

Makefile

@@ -3,7 +3,7 @@ SHELL := /bin/bash
 export RUST_BACKTRACE ?= 1
 export WASMTIME_BACKTRACE_DETAILS ?= 1
 
-COMPONENTS = $(shell ls -1 components)
+COMPONENTS = $(sort $(notdir $(patsubst %/,%,$(dir $(wildcard  components/*/Cargo.toml)))))
 
 .PHONY: all
 all: components
@@ -15,7 +15,7 @@ clean:
 	rm -rf lib/*.wasm.md
 
 .PHONY: components
-components: $(foreach component,$(COMPONENTS),lib/$(component).wasm $(foreach component,$(COMPONENTS),lib/$(component).debug.wasm))
+components: lib/interface.wasm $(foreach component,$(COMPONENTS),lib/$(component).wasm lib/$(component).debug.wasm)
 
 define BUILD_COMPONENT
 
@@ -33,13 +33,19 @@ endef
 
 $(foreach component,$(COMPONENTS),$(eval $(call BUILD_COMPONENT,$(component))))
 
+lib/interface.wasm: wit/deps README.md
+	wkg build -o lib/interface.wasm
+	cp README.md lib/interface.wasm.md
 
 .PHONY: wit
-wit: wit/deps
+wit: wit/deps components/wit/deps
 
 wit/deps: wkg.toml $(shell find wit -type f -name "*.wit" -not -path "deps")
 	wkg wit fetch
 
+components/wit/deps: wit/deps components/wkg.toml $(shell find components/wit -type f -name "*.wit" -not -path "deps")
+	wkg wit fetch
+
 .PHONY: publish ## Publish each component in the lib directory
 publish: $(shell find lib -maxdepth 1 -type f -name "*.wasm" | sed -e 's:^lib/:publish-:g')
 

components/levels/src/lib.rs

@@ -109,7 +109,7 @@ fn level_map(level: Level) -> logging::Level {
 }
 
 wit_bindgen::generate!({
-    path: "../../wit",
+    path: "../wit",
     world: "levels",
     features: ["clocks-timezone"],
     generate_all

components/to-stdout/src/lib.rs

@@ -43,7 +43,7 @@ impl Guest for LoggingToStdout {
 }
 
 wit_bindgen::generate!({
-    path: "../../wit",
+    path: "../wit",
     world: "to-stdout",
     features: ["clocks-timezone"],
     generate_all

components/wit/deps/wasi-logging-0.1.0-draft/package.wit

@@ -0,0 +1,36 @@
+package wasi:logging@0.1.0-draft;
+
+/// WASI Logging is a logging API intended to let users emit log messages with
+/// simple priority levels and context values.
+interface logging {
+  /// A log level, describing a kind of message.
+  enum level {
+    /// Describes messages about the values of variables and the flow of
+    /// control within a program.
+    trace,
+    /// Describes messages likely to be of interest to someone debugging a
+    /// program.
+    debug,
+    /// Describes messages likely to be of interest to someone monitoring a
+    /// program.
+    info,
+    /// Describes messages indicating hazardous situations.
+    warn,
+    /// Describes messages indicating serious errors.
+    error,
+    /// Describes messages indicating fatal errors.
+    critical,
+  }
+
+  /// Emit a log message.
+  ///
+  /// A log message has a `level` describing what kind of message is being
+  /// sent, a context, which is an uninterpreted string meant to help
+  /// consumers group similar messages, and a string containing the message
+  /// text.
+  log: func(level: level, context: string, message: string);
+}
+
+world imports {
+  import logging;
+}

components/wit/worlds.wit

@@ -0,0 +1,13 @@
+package componentized:logging-components;
+
+world levels {
+    import wasi:logging/logging@0.1.0-draft;
+    import wasi:config/store@0.2.0-rc.1;
+    export wasi:logging/logging@0.1.0-draft;
+}
+
+world to-stdout {
+    import wasi:cli/stdout@0.3.0;
+    import wasi:clocks/system-clock@0.3.0;
+    export wasi:logging/logging@0.1.0-draft;
+}

components/wkg.lock

@@ -0,0 +1,39 @@
+# This file is automatically generated.
+# It is not intended for manual editing.
+version = 1
+
+[[packages]]
+name = "wasi:cli"
+registry = "wasi.dev"
+
+[[packages.versions]]
+requirement = "=0.3.0"
+version = "0.3.0"
+digest = "sha256:3a2d58743b67a057f7210b9a73d3b21b34ec7895ffe34d1cb092927307156e40"
+
+[[packages]]
+name = "wasi:clocks"
+registry = "wasi.dev"
+
+[[packages.versions]]
+requirement = "=0.3.0"
+version = "0.3.0"
+digest = "sha256:59e1f4079e64ada450e19ffc9d08854c904e356ed8cc1fda36ff4fe150264db2"
+
+[[packages]]
+name = "wasi:config"
+registry = "wasi.dev"
+
+[[packages.versions]]
+requirement = "=0.2.0-rc.1"
+version = "0.2.0-rc.1"
+digest = "sha256:1b7f1b0fd07bb4cede16c6a6ec8852815dfb924639a78735fc7bdffdc164485d"
+
+[[packages]]
+name = "wasi:logging"
+registry = "wasi.dev"
+
+[[packages.versions]]
+requirement = "=0.1.0-draft"
+version = "0.1.0-draft"
+digest = "sha256:09621a45b12b0a9cddc798517f778aac0e5ae4bd234077b3d70758d6cf625580"

components/wkg.toml

@@ -0,0 +1,2 @@
+[overrides]
+"componentized:logging" = { path = "../wit" }

wit/worlds.wit

@@ -1,13 +1,5 @@
-package componentized:logging;
+package componentized:logging@0.3.0-dev;
 
-world levels {
+world imports {
     import wasi:logging/logging@0.1.0-draft;
-    import wasi:config/store@0.2.0-rc.1;
-    export wasi:logging/logging@0.1.0-draft;
-}
-
-world to-stdout {
-    import wasi:cli/stdout@0.3.0;
-    import wasi:clocks/system-clock@0.3.0;
-    export wasi:logging/logging@0.1.0-draft;
 }

wkg.lock

@@ -2,33 +2,6 @@
 # It is not intended for manual editing.
 version = 1
 
-[[packages]]
-name = "wasi:cli"
-registry = "wasi.dev"
-
-[[packages.versions]]
-requirement = "=0.3.0"
-version = "0.3.0"
-digest = "sha256:3a2d58743b67a057f7210b9a73d3b21b34ec7895ffe34d1cb092927307156e40"
-
-[[packages]]
-name = "wasi:clocks"
-registry = "wasi.dev"
-
-[[packages.versions]]
-requirement = "=0.3.0"
-version = "0.3.0"
-digest = "sha256:59e1f4079e64ada450e19ffc9d08854c904e356ed8cc1fda36ff4fe150264db2"
-
-[[packages]]
-name = "wasi:config"
-registry = "wasi.dev"
-
-[[packages.versions]]
-requirement = "=0.2.0-rc.1"
-version = "0.2.0-rc.1"
-digest = "sha256:1b7f1b0fd07bb4cede16c6a6ec8852815dfb924639a78735fc7bdffdc164485d"
-
 [[packages]]
 name = "wasi:logging"
 registry = "wasi.dev"