diff --git a/.beads/beads.jsonl b/.beads/beads.jsonl index bad1f4c0..b3b44eb4 100644 --- a/.beads/beads.jsonl +++ b/.beads/beads.jsonl @@ -136,6 +136,7 @@ {"id":"bd-833559b3","content_hash":"9082c986207b9df7a7a4dc87a53007849e2b9f6e92f3bea41e22d6a14f1f6f42","title":"bd validate - Comprehensive health check","description":"Run all validation checks in one command.\n\nChecks:\n- Duplicates\n- Orphaned dependencies\n- Test pollution\n- Git conflicts\n\nSupports --fix-all for auto-repair.\n\nDepends on bd-cbed9619.1, bd-0dcea000, bd-2752a7a2, bd-9826b69a.\n\nFiles: cmd/bd/validate.go (new)","status":"open","priority":1,"issue_type":"task","created_at":"2025-10-29T20:02:47.957692-07:00","updated_at":"2025-10-30T17:12:58.219095-07:00"} {"id":"bd-83f0bb64","content_hash":"c7be091ee7e713dd9c8ec0f9a498a9ae12adb09f8b7510a5ec10a815a05322e1","title":"Platform tests: Linux, macOS, Windows","description":"Test event-driven mode on all platforms. Verify inotify (Linux), FSEvents (macOS), ReadDirectoryChangesW (Windows). Test fallback behavior on each.","status":"closed","priority":1,"issue_type":"task","created_at":"2025-10-29T19:42:29.857419-07:00","updated_at":"2025-10-31T12:00:43.197445-07:00","closed_at":"2025-10-31T12:00:43.197445-07:00"} {"id":"bd-8507","content_hash":"51fb0926b232fb293c302b859731ce71198e0eb8a037c95bc4ae848c2df41a1d","title":"Publish bd-wasm to npm","description":"Package and publish WASM build to npm. Child of epic bd-44d0.\n\n## Tasks\n- [ ] Optimize WASM bundle (compression)\n- [ ] Create README for npm package\n- [ ] Set up npm publishing workflow\n- [ ] Publish v0.1.0-alpha\n- [ ] Test installation in clean environment\n- [ ] Update beads AGENTS.md with installation instructions\n\n## Package Name\nbd-wasm (or @beads/wasm-cli)","status":"open","priority":0,"issue_type":"task","created_at":"2025-11-02T18:33:31.371535-08:00","updated_at":"2025-11-02T18:33:31.371535-08:00","dependencies":[{"issue_id":"bd-8507","depends_on_id":"bd-197b","type":"blocks","created_at":"2025-11-02T18:33:31.372224-08:00","created_by":"daemon"}]} +{"id":"bd-8534","content_hash":"001e0ffe353115fbbaad39f392208ddd8ceaa515cdbab9f616a85b63b45f0d0e","title":"Switch from modernc.org/sqlite to ncruces/go-sqlite3 for WASM support","description":"modernc.org/sqlite depends on modernc.org/libc which has no js/wasm support (platform-specific syscalls). Need to switch to ncruces/go-sqlite3 which wraps a WASM build of SQLite using wazero runtime.\n\nKey differences:\n- ncruces/go-sqlite3: Uses WASM build of SQLite + wazero runtime\n- modernc.org/sqlite: Pure Go translation, requires libc for syscalls\n\nThis is a prerequisite for bd-62a0 (WASM build infrastructure).","status":"open","priority":1,"issue_type":"task","created_at":"2025-11-02T22:14:27.627154-08:00","updated_at":"2025-11-02T22:14:27.627154-08:00"} {"id":"bd-85487065","content_hash":"637cbd56af122b175ff060b4df050871fe86124c5d883ba7f8a17f2f95479613","title":"Add tests for internal/autoimport package","description":"Currently 0.0% coverage. Need tests for auto-import functionality that detects and imports updated JSONL files.","status":"open","priority":2,"issue_type":"task","created_at":"2025-10-29T14:06:18.154805-07:00","updated_at":"2025-10-30T17:12:58.182987-07:00"} {"id":"bd-879d","content_hash":"2f291ca2adead5ee3fb7fade39c088165b5467780599f9a719dcaebc87455ae3","title":"Test issue 1","description":"","status":"closed","priority":2,"issue_type":"task","created_at":"2025-11-02T09:44:12.538697729Z","updated_at":"2025-11-02T09:45:20.76214671Z","closed_at":"2025-11-02T09:45:20.76214671Z","dependencies":[{"issue_id":"bd-879d","depends_on_id":"bd-d3e5","type":"discovered-from","created_at":"2025-11-02T09:44:22.103468321Z","created_by":"mrdavidlaing"}]} {"id":"bd-8900f145","content_hash":"4a07f36a9e5d24aaffb092c89e2273cb58f9de357d24eeb01fcde6a4079ba775","title":"Testing event-driven mode!","description":"","status":"closed","priority":2,"issue_type":"task","created_at":"2025-10-29T15:28:33.564871-07:00","updated_at":"2025-10-30T17:12:58.186325-07:00","closed_at":"2025-10-29T19:12:54.43368-07:00"} diff --git a/bd-test b/bd-test new file mode 100755 index 00000000..5314d303 Binary files /dev/null and b/bd-test differ diff --git a/cmd/bd/daemon_lock_wasm.go b/cmd/bd/daemon_lock_wasm.go new file mode 100644 index 00000000..d39932c3 --- /dev/null +++ b/cmd/bd/daemon_lock_wasm.go @@ -0,0 +1,14 @@ +//go:build js && wasm + +package main + +import ( + "fmt" + "os" +) + +func flockExclusive(f *os.File) error { + // WASM doesn't support file locking + // In a WASM environment, we're typically single-process anyway + return fmt.Errorf("file locking not supported in WASM") +} diff --git a/cmd/bd/daemon_wasm.go b/cmd/bd/daemon_wasm.go new file mode 100644 index 00000000..4a798739 --- /dev/null +++ b/cmd/bd/daemon_wasm.go @@ -0,0 +1,28 @@ +//go:build js && wasm + +package main + +import ( + "fmt" + "os" + "os/exec" +) + +// WASM doesn't support signals or process management +var daemonSignals = []os.Signal{} + +func configureDaemonProcess(cmd *exec.Cmd) { + // No-op in WASM +} + +func sendStopSignal(process *os.Process) error { + return fmt.Errorf("daemon operations not supported in WASM") +} + +func isReloadSignal(sig os.Signal) bool { + return false +} + +func isProcessRunning(pid int) bool { + return false +} diff --git a/cmd/bd/doctor.go b/cmd/bd/doctor.go index f6b23816..c1f39a77 100644 --- a/cmd/bd/doctor.go +++ b/cmd/bd/doctor.go @@ -16,7 +16,8 @@ import ( "github.com/steveyegge/beads" "github.com/steveyegge/beads/internal/configfile" "github.com/steveyegge/beads/internal/daemon" - _ "modernc.org/sqlite" + _ "github.com/ncruces/go-sqlite3/driver" + _ "github.com/ncruces/go-sqlite3/embed" ) // Status constants for doctor checks diff --git a/cmd/bd/migrate.go b/cmd/bd/migrate.go index 01f5b1af..963f43cd 100644 --- a/cmd/bd/migrate.go +++ b/cmd/bd/migrate.go @@ -16,7 +16,8 @@ import ( "github.com/steveyegge/beads/internal/storage/sqlite" "github.com/steveyegge/beads/internal/types" "github.com/steveyegge/beads/internal/utils" - _ "modernc.org/sqlite" + _ "github.com/ncruces/go-sqlite3/driver" + _ "github.com/ncruces/go-sqlite3/embed" ) var migrateCmd = &cobra.Command{ diff --git a/go.mod b/go.mod index 6d30da1d..22dd08b0 100644 --- a/go.mod +++ b/go.mod @@ -24,7 +24,9 @@ require ( github.com/inconshreveable/mousetrap v1.1.0 // indirect github.com/mattn/go-colorable v0.1.13 // indirect github.com/mattn/go-isatty v0.0.20 // indirect + github.com/ncruces/go-sqlite3 v0.29.1 // indirect github.com/ncruces/go-strftime v0.1.9 // indirect + github.com/ncruces/julianday v1.0.0 // indirect github.com/pelletier/go-toml/v2 v2.2.4 // indirect github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect github.com/sagikazarmark/locafero v0.11.0 // indirect @@ -33,13 +35,14 @@ require ( github.com/spf13/cast v1.10.0 // indirect github.com/spf13/pflag v1.0.10 // indirect github.com/subosito/gotenv v1.6.0 // indirect + github.com/tetratelabs/wazero v1.9.0 // indirect github.com/tidwall/gjson v1.18.0 // indirect github.com/tidwall/match v1.1.1 // indirect github.com/tidwall/pretty v1.2.1 // indirect github.com/tidwall/sjson v1.2.5 // indirect go.yaml.in/yaml/v3 v3.0.4 // indirect golang.org/x/exp v0.0.0-20250620022241-b7579e27df2b // indirect - golang.org/x/text v0.28.0 // indirect + golang.org/x/text v0.29.0 // indirect golang.org/x/tools v0.37.0 // indirect modernc.org/libc v1.66.3 // indirect modernc.org/mathutil v1.7.1 // indirect diff --git a/go.sum b/go.sum index 86aba100..dcef3e3a 100644 --- a/go.sum +++ b/go.sum @@ -30,8 +30,12 @@ github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovk github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM= github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY= github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y= +github.com/ncruces/go-sqlite3 v0.29.1 h1:NIi8AISWBToRHyoz01FXiTNvU147Tqdibgj2tFzJCqM= +github.com/ncruces/go-sqlite3 v0.29.1/go.mod h1:PpccBNNhvjwUOwDQEn2gXQPFPTWdlromj0+fSkd5KSg= github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4= github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls= +github.com/ncruces/julianday v1.0.0 h1:fH0OKwa7NWvniGQtxdJRxAgkBMolni2BjDHaWTxqt7M= +github.com/ncruces/julianday v1.0.0/go.mod h1:Dusn2KvZrrovOMJuOt0TNXL6tB7U2E8kvza5fFc9G7g= github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0t5Ec4= github.com/pelletier/go-toml/v2 v2.2.4/go.mod h1:2gIqNv+qfxSVS7cM2xJQKtLSTLUE9V8t9Stt+h56mCY= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= @@ -60,6 +64,8 @@ github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U= github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8= github.com/subosito/gotenv v1.6.0/go.mod h1:Dk4QP5c2W3ibzajGcXpNraDfq2IrhjMIvMSWPKKo0FU= +github.com/tetratelabs/wazero v1.9.0 h1:IcZ56OuxrtaEz8UYNRHBrUa9bYeX9oVY93KspZZBf/I= +github.com/tetratelabs/wazero v1.9.0/go.mod h1:TSbcXCfFP0L2FGkRPxHphadXPjo1T6W+CseNNY7EkjM= github.com/tidwall/gjson v1.14.2/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk= github.com/tidwall/gjson v1.18.0 h1:FIDeeyB800efLX89e5a8Y0BNH+LOngJyGrIWxG2FKQY= github.com/tidwall/gjson v1.18.0/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk= @@ -84,6 +90,8 @@ golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k= golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks= golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng= golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU= +golang.org/x/text v0.29.0 h1:1neNs90w9YzJ9BocxfsQNHKuAT4pkghyXc4nhZ6sJvk= +golang.org/x/text v0.29.0/go.mod h1:7MhJOA9CD2qZyOKYazxdYMF85OwPdEr9jTtBpO7ydH4= golang.org/x/tools v0.37.0 h1:DVSRzp7FwePZW356yEAChSdNcQo6Nsp+fex1SUW09lE= golang.org/x/tools v0.37.0/go.mod h1:MBN5QPQtLMHVdvsbtarmTNukZDdgwdwlO5qGacAzF0w= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= diff --git a/internal/daemon/kill_wasm.go b/internal/daemon/kill_wasm.go new file mode 100644 index 00000000..bf895b14 --- /dev/null +++ b/internal/daemon/kill_wasm.go @@ -0,0 +1,20 @@ +//go:build js && wasm + +package daemon + +import "fmt" + +// WASM doesn't support process management, so these are stubs +// Daemon mode is not supported in WASM environments + +func killProcess(pid int) error { + return fmt.Errorf("daemon operations not supported in WASM") +} + +func forceKillProcess(pid int) error { + return fmt.Errorf("daemon operations not supported in WASM") +} + +func isProcessAlive(pid int) bool { + return false +} diff --git a/internal/storage/sqlite/sqlite.go b/internal/storage/sqlite/sqlite.go index 7acc874a..10933f2c 100644 --- a/internal/storage/sqlite/sqlite.go +++ b/internal/storage/sqlite/sqlite.go @@ -14,7 +14,8 @@ import ( // Import SQLite driver "github.com/steveyegge/beads/internal/types" - _ "modernc.org/sqlite" + _ "github.com/ncruces/go-sqlite3/driver" + _ "github.com/ncruces/go-sqlite3/embed" ) // SQLiteStorage implements the Storage interface using SQLite @@ -56,7 +57,7 @@ func New(path string) (*SQLiteStorage, error) { connStr += "?_pragma=journal_mode(WAL)&_pragma=foreign_keys(ON)&_pragma=busy_timeout(30000)&_time_format=sqlite" } - db, err := sql.Open("sqlite", connStr) + db, err := sql.Open("sqlite3", connStr) if err != nil { return nil, fmt.Errorf("failed to open database: %w", err) } diff --git a/internal/storage/sqlite/sqlite_test.go b/internal/storage/sqlite/sqlite_test.go index b314c3a1..19a80b15 100644 --- a/internal/storage/sqlite/sqlite_test.go +++ b/internal/storage/sqlite/sqlite_test.go @@ -8,7 +8,8 @@ import ( "time" "github.com/steveyegge/beads/internal/types" - _ "modernc.org/sqlite" + _ "github.com/ncruces/go-sqlite3/driver" + _ "github.com/ncruces/go-sqlite3/embed" ) func setupTestDB(t *testing.T) (*SQLiteStorage, func()) { diff --git a/wasm/bd.wasm b/wasm/bd.wasm new file mode 100755 index 00000000..0db736df Binary files /dev/null and b/wasm/bd.wasm differ diff --git a/wasm/build.sh b/wasm/build.sh new file mode 100755 index 00000000..f957a704 --- /dev/null +++ b/wasm/build.sh @@ -0,0 +1,10 @@ +#!/bin/bash +# Build bd for WebAssembly + +set -e + +echo "Building bd for WASM..." +GOOS=js GOARCH=wasm go build -o wasm/bd.wasm ./cmd/bd + +echo "WASM build complete: wasm/bd.wasm" +ls -lh wasm/bd.wasm diff --git a/wasm/run.js b/wasm/run.js new file mode 100644 index 00000000..fea98e1c --- /dev/null +++ b/wasm/run.js @@ -0,0 +1,28 @@ +#!/usr/bin/env node +// Node.js wrapper for bd.wasm + +const fs = require('fs'); +const path = require('path'); + +// Load wasm_exec.js from Go distribution +require('./wasm_exec.js'); + +// Load the WASM binary +const wasmPath = path.join(__dirname, 'bd.wasm'); +const wasmBuffer = fs.readFileSync(wasmPath); + +// Create Go runtime instance +const go = new Go(); + +// Pass command-line arguments to Go +// process.argv[0] is 'node', process.argv[1] is this script +// So we want process.argv.slice(1) to simulate: bd +go.argv = ['bd'].concat(process.argv.slice(2)); + +// Instantiate and run the WASM module +WebAssembly.instantiate(wasmBuffer, go.importObject).then((result) => { + go.run(result.instance); +}).catch((err) => { + console.error('Failed to run WASM:', err); + process.exit(1); +}); diff --git a/wasm/wasm_exec.js b/wasm/wasm_exec.js new file mode 100644 index 00000000..d71af9e9 --- /dev/null +++ b/wasm/wasm_exec.js @@ -0,0 +1,575 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +"use strict"; + +(() => { + const enosys = () => { + const err = new Error("not implemented"); + err.code = "ENOSYS"; + return err; + }; + + if (!globalThis.fs) { + let outputBuf = ""; + globalThis.fs = { + constants: { O_WRONLY: -1, O_RDWR: -1, O_CREAT: -1, O_TRUNC: -1, O_APPEND: -1, O_EXCL: -1, O_DIRECTORY: -1 }, // unused + writeSync(fd, buf) { + outputBuf += decoder.decode(buf); + const nl = outputBuf.lastIndexOf("\n"); + if (nl != -1) { + console.log(outputBuf.substring(0, nl)); + outputBuf = outputBuf.substring(nl + 1); + } + return buf.length; + }, + write(fd, buf, offset, length, position, callback) { + if (offset !== 0 || length !== buf.length || position !== null) { + callback(enosys()); + return; + } + const n = this.writeSync(fd, buf); + callback(null, n); + }, + chmod(path, mode, callback) { callback(enosys()); }, + chown(path, uid, gid, callback) { callback(enosys()); }, + close(fd, callback) { callback(enosys()); }, + fchmod(fd, mode, callback) { callback(enosys()); }, + fchown(fd, uid, gid, callback) { callback(enosys()); }, + fstat(fd, callback) { callback(enosys()); }, + fsync(fd, callback) { callback(null); }, + ftruncate(fd, length, callback) { callback(enosys()); }, + lchown(path, uid, gid, callback) { callback(enosys()); }, + link(path, link, callback) { callback(enosys()); }, + lstat(path, callback) { callback(enosys()); }, + mkdir(path, perm, callback) { callback(enosys()); }, + open(path, flags, mode, callback) { callback(enosys()); }, + read(fd, buffer, offset, length, position, callback) { callback(enosys()); }, + readdir(path, callback) { callback(enosys()); }, + readlink(path, callback) { callback(enosys()); }, + rename(from, to, callback) { callback(enosys()); }, + rmdir(path, callback) { callback(enosys()); }, + stat(path, callback) { callback(enosys()); }, + symlink(path, link, callback) { callback(enosys()); }, + truncate(path, length, callback) { callback(enosys()); }, + unlink(path, callback) { callback(enosys()); }, + utimes(path, atime, mtime, callback) { callback(enosys()); }, + }; + } + + if (!globalThis.process) { + globalThis.process = { + getuid() { return -1; }, + getgid() { return -1; }, + geteuid() { return -1; }, + getegid() { return -1; }, + getgroups() { throw enosys(); }, + pid: -1, + ppid: -1, + umask() { throw enosys(); }, + cwd() { throw enosys(); }, + chdir() { throw enosys(); }, + } + } + + if (!globalThis.path) { + globalThis.path = { + resolve(...pathSegments) { + return pathSegments.join("/"); + } + } + } + + if (!globalThis.crypto) { + throw new Error("globalThis.crypto is not available, polyfill required (crypto.getRandomValues only)"); + } + + if (!globalThis.performance) { + throw new Error("globalThis.performance is not available, polyfill required (performance.now only)"); + } + + if (!globalThis.TextEncoder) { + throw new Error("globalThis.TextEncoder is not available, polyfill required"); + } + + if (!globalThis.TextDecoder) { + throw new Error("globalThis.TextDecoder is not available, polyfill required"); + } + + const encoder = new TextEncoder("utf-8"); + const decoder = new TextDecoder("utf-8"); + + globalThis.Go = class { + constructor() { + this.argv = ["js"]; + this.env = {}; + this.exit = (code) => { + if (code !== 0) { + console.warn("exit code:", code); + } + }; + this._exitPromise = new Promise((resolve) => { + this._resolveExitPromise = resolve; + }); + this._pendingEvent = null; + this._scheduledTimeouts = new Map(); + this._nextCallbackTimeoutID = 1; + + const setInt64 = (addr, v) => { + this.mem.setUint32(addr + 0, v, true); + this.mem.setUint32(addr + 4, Math.floor(v / 4294967296), true); + } + + const setInt32 = (addr, v) => { + this.mem.setUint32(addr + 0, v, true); + } + + const getInt64 = (addr) => { + const low = this.mem.getUint32(addr + 0, true); + const high = this.mem.getInt32(addr + 4, true); + return low + high * 4294967296; + } + + const loadValue = (addr) => { + const f = this.mem.getFloat64(addr, true); + if (f === 0) { + return undefined; + } + if (!isNaN(f)) { + return f; + } + + const id = this.mem.getUint32(addr, true); + return this._values[id]; + } + + const storeValue = (addr, v) => { + const nanHead = 0x7FF80000; + + if (typeof v === "number" && v !== 0) { + if (isNaN(v)) { + this.mem.setUint32(addr + 4, nanHead, true); + this.mem.setUint32(addr, 0, true); + return; + } + this.mem.setFloat64(addr, v, true); + return; + } + + if (v === undefined) { + this.mem.setFloat64(addr, 0, true); + return; + } + + let id = this._ids.get(v); + if (id === undefined) { + id = this._idPool.pop(); + if (id === undefined) { + id = this._values.length; + } + this._values[id] = v; + this._goRefCounts[id] = 0; + this._ids.set(v, id); + } + this._goRefCounts[id]++; + let typeFlag = 0; + switch (typeof v) { + case "object": + if (v !== null) { + typeFlag = 1; + } + break; + case "string": + typeFlag = 2; + break; + case "symbol": + typeFlag = 3; + break; + case "function": + typeFlag = 4; + break; + } + this.mem.setUint32(addr + 4, nanHead | typeFlag, true); + this.mem.setUint32(addr, id, true); + } + + const loadSlice = (addr) => { + const array = getInt64(addr + 0); + const len = getInt64(addr + 8); + return new Uint8Array(this._inst.exports.mem.buffer, array, len); + } + + const loadSliceOfValues = (addr) => { + const array = getInt64(addr + 0); + const len = getInt64(addr + 8); + const a = new Array(len); + for (let i = 0; i < len; i++) { + a[i] = loadValue(array + i * 8); + } + return a; + } + + const loadString = (addr) => { + const saddr = getInt64(addr + 0); + const len = getInt64(addr + 8); + return decoder.decode(new DataView(this._inst.exports.mem.buffer, saddr, len)); + } + + const testCallExport = (a, b) => { + this._inst.exports.testExport0(); + return this._inst.exports.testExport(a, b); + } + + const timeOrigin = Date.now() - performance.now(); + this.importObject = { + _gotest: { + add: (a, b) => a + b, + callExport: testCallExport, + }, + gojs: { + // Go's SP does not change as long as no Go code is running. Some operations (e.g. calls, getters and setters) + // may synchronously trigger a Go event handler. This makes Go code get executed in the middle of the imported + // function. A goroutine can switch to a new stack if the current stack is too small (see morestack function). + // This changes the SP, thus we have to update the SP used by the imported function. + + // func wasmExit(code int32) + "runtime.wasmExit": (sp) => { + sp >>>= 0; + const code = this.mem.getInt32(sp + 8, true); + this.exited = true; + delete this._inst; + delete this._values; + delete this._goRefCounts; + delete this._ids; + delete this._idPool; + this.exit(code); + }, + + // func wasmWrite(fd uintptr, p unsafe.Pointer, n int32) + "runtime.wasmWrite": (sp) => { + sp >>>= 0; + const fd = getInt64(sp + 8); + const p = getInt64(sp + 16); + const n = this.mem.getInt32(sp + 24, true); + fs.writeSync(fd, new Uint8Array(this._inst.exports.mem.buffer, p, n)); + }, + + // func resetMemoryDataView() + "runtime.resetMemoryDataView": (sp) => { + sp >>>= 0; + this.mem = new DataView(this._inst.exports.mem.buffer); + }, + + // func nanotime1() int64 + "runtime.nanotime1": (sp) => { + sp >>>= 0; + setInt64(sp + 8, (timeOrigin + performance.now()) * 1000000); + }, + + // func walltime() (sec int64, nsec int32) + "runtime.walltime": (sp) => { + sp >>>= 0; + const msec = (new Date).getTime(); + setInt64(sp + 8, msec / 1000); + this.mem.setInt32(sp + 16, (msec % 1000) * 1000000, true); + }, + + // func scheduleTimeoutEvent(delay int64) int32 + "runtime.scheduleTimeoutEvent": (sp) => { + sp >>>= 0; + const id = this._nextCallbackTimeoutID; + this._nextCallbackTimeoutID++; + this._scheduledTimeouts.set(id, setTimeout( + () => { + this._resume(); + while (this._scheduledTimeouts.has(id)) { + // for some reason Go failed to register the timeout event, log and try again + // (temporary workaround for https://github.com/golang/go/issues/28975) + console.warn("scheduleTimeoutEvent: missed timeout event"); + this._resume(); + } + }, + getInt64(sp + 8), + )); + this.mem.setInt32(sp + 16, id, true); + }, + + // func clearTimeoutEvent(id int32) + "runtime.clearTimeoutEvent": (sp) => { + sp >>>= 0; + const id = this.mem.getInt32(sp + 8, true); + clearTimeout(this._scheduledTimeouts.get(id)); + this._scheduledTimeouts.delete(id); + }, + + // func getRandomData(r []byte) + "runtime.getRandomData": (sp) => { + sp >>>= 0; + crypto.getRandomValues(loadSlice(sp + 8)); + }, + + // func finalizeRef(v ref) + "syscall/js.finalizeRef": (sp) => { + sp >>>= 0; + const id = this.mem.getUint32(sp + 8, true); + this._goRefCounts[id]--; + if (this._goRefCounts[id] === 0) { + const v = this._values[id]; + this._values[id] = null; + this._ids.delete(v); + this._idPool.push(id); + } + }, + + // func stringVal(value string) ref + "syscall/js.stringVal": (sp) => { + sp >>>= 0; + storeValue(sp + 24, loadString(sp + 8)); + }, + + // func valueGet(v ref, p string) ref + "syscall/js.valueGet": (sp) => { + sp >>>= 0; + const result = Reflect.get(loadValue(sp + 8), loadString(sp + 16)); + sp = this._inst.exports.getsp() >>> 0; // see comment above + storeValue(sp + 32, result); + }, + + // func valueSet(v ref, p string, x ref) + "syscall/js.valueSet": (sp) => { + sp >>>= 0; + Reflect.set(loadValue(sp + 8), loadString(sp + 16), loadValue(sp + 32)); + }, + + // func valueDelete(v ref, p string) + "syscall/js.valueDelete": (sp) => { + sp >>>= 0; + Reflect.deleteProperty(loadValue(sp + 8), loadString(sp + 16)); + }, + + // func valueIndex(v ref, i int) ref + "syscall/js.valueIndex": (sp) => { + sp >>>= 0; + storeValue(sp + 24, Reflect.get(loadValue(sp + 8), getInt64(sp + 16))); + }, + + // valueSetIndex(v ref, i int, x ref) + "syscall/js.valueSetIndex": (sp) => { + sp >>>= 0; + Reflect.set(loadValue(sp + 8), getInt64(sp + 16), loadValue(sp + 24)); + }, + + // func valueCall(v ref, m string, args []ref) (ref, bool) + "syscall/js.valueCall": (sp) => { + sp >>>= 0; + try { + const v = loadValue(sp + 8); + const m = Reflect.get(v, loadString(sp + 16)); + const args = loadSliceOfValues(sp + 32); + const result = Reflect.apply(m, v, args); + sp = this._inst.exports.getsp() >>> 0; // see comment above + storeValue(sp + 56, result); + this.mem.setUint8(sp + 64, 1); + } catch (err) { + sp = this._inst.exports.getsp() >>> 0; // see comment above + storeValue(sp + 56, err); + this.mem.setUint8(sp + 64, 0); + } + }, + + // func valueInvoke(v ref, args []ref) (ref, bool) + "syscall/js.valueInvoke": (sp) => { + sp >>>= 0; + try { + const v = loadValue(sp + 8); + const args = loadSliceOfValues(sp + 16); + const result = Reflect.apply(v, undefined, args); + sp = this._inst.exports.getsp() >>> 0; // see comment above + storeValue(sp + 40, result); + this.mem.setUint8(sp + 48, 1); + } catch (err) { + sp = this._inst.exports.getsp() >>> 0; // see comment above + storeValue(sp + 40, err); + this.mem.setUint8(sp + 48, 0); + } + }, + + // func valueNew(v ref, args []ref) (ref, bool) + "syscall/js.valueNew": (sp) => { + sp >>>= 0; + try { + const v = loadValue(sp + 8); + const args = loadSliceOfValues(sp + 16); + const result = Reflect.construct(v, args); + sp = this._inst.exports.getsp() >>> 0; // see comment above + storeValue(sp + 40, result); + this.mem.setUint8(sp + 48, 1); + } catch (err) { + sp = this._inst.exports.getsp() >>> 0; // see comment above + storeValue(sp + 40, err); + this.mem.setUint8(sp + 48, 0); + } + }, + + // func valueLength(v ref) int + "syscall/js.valueLength": (sp) => { + sp >>>= 0; + setInt64(sp + 16, parseInt(loadValue(sp + 8).length)); + }, + + // valuePrepareString(v ref) (ref, int) + "syscall/js.valuePrepareString": (sp) => { + sp >>>= 0; + const str = encoder.encode(String(loadValue(sp + 8))); + storeValue(sp + 16, str); + setInt64(sp + 24, str.length); + }, + + // valueLoadString(v ref, b []byte) + "syscall/js.valueLoadString": (sp) => { + sp >>>= 0; + const str = loadValue(sp + 8); + loadSlice(sp + 16).set(str); + }, + + // func valueInstanceOf(v ref, t ref) bool + "syscall/js.valueInstanceOf": (sp) => { + sp >>>= 0; + this.mem.setUint8(sp + 24, (loadValue(sp + 8) instanceof loadValue(sp + 16)) ? 1 : 0); + }, + + // func copyBytesToGo(dst []byte, src ref) (int, bool) + "syscall/js.copyBytesToGo": (sp) => { + sp >>>= 0; + const dst = loadSlice(sp + 8); + const src = loadValue(sp + 32); + if (!(src instanceof Uint8Array || src instanceof Uint8ClampedArray)) { + this.mem.setUint8(sp + 48, 0); + return; + } + const toCopy = src.subarray(0, dst.length); + dst.set(toCopy); + setInt64(sp + 40, toCopy.length); + this.mem.setUint8(sp + 48, 1); + }, + + // func copyBytesToJS(dst ref, src []byte) (int, bool) + "syscall/js.copyBytesToJS": (sp) => { + sp >>>= 0; + const dst = loadValue(sp + 8); + const src = loadSlice(sp + 16); + if (!(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)) { + this.mem.setUint8(sp + 48, 0); + return; + } + const toCopy = src.subarray(0, dst.length); + dst.set(toCopy); + setInt64(sp + 40, toCopy.length); + this.mem.setUint8(sp + 48, 1); + }, + + "debug": (value) => { + console.log(value); + }, + } + }; + } + + async run(instance) { + if (!(instance instanceof WebAssembly.Instance)) { + throw new Error("Go.run: WebAssembly.Instance expected"); + } + this._inst = instance; + this.mem = new DataView(this._inst.exports.mem.buffer); + this._values = [ // JS values that Go currently has references to, indexed by reference id + NaN, + 0, + null, + true, + false, + globalThis, + this, + ]; + this._goRefCounts = new Array(this._values.length).fill(Infinity); // number of references that Go has to a JS value, indexed by reference id + this._ids = new Map([ // mapping from JS values to reference ids + [0, 1], + [null, 2], + [true, 3], + [false, 4], + [globalThis, 5], + [this, 6], + ]); + this._idPool = []; // unused ids that have been garbage collected + this.exited = false; // whether the Go program has exited + + // Pass command line arguments and environment variables to WebAssembly by writing them to the linear memory. + let offset = 4096; + + const strPtr = (str) => { + const ptr = offset; + const bytes = encoder.encode(str + "\0"); + new Uint8Array(this.mem.buffer, offset, bytes.length).set(bytes); + offset += bytes.length; + if (offset % 8 !== 0) { + offset += 8 - (offset % 8); + } + return ptr; + }; + + const argc = this.argv.length; + + const argvPtrs = []; + this.argv.forEach((arg) => { + argvPtrs.push(strPtr(arg)); + }); + argvPtrs.push(0); + + const keys = Object.keys(this.env).sort(); + keys.forEach((key) => { + argvPtrs.push(strPtr(`${key}=${this.env[key]}`)); + }); + argvPtrs.push(0); + + const argv = offset; + argvPtrs.forEach((ptr) => { + this.mem.setUint32(offset, ptr, true); + this.mem.setUint32(offset + 4, 0, true); + offset += 8; + }); + + // The linker guarantees global data starts from at least wasmMinDataAddr. + // Keep in sync with cmd/link/internal/ld/data.go:wasmMinDataAddr. + const wasmMinDataAddr = 4096 + 8192; + if (offset >= wasmMinDataAddr) { + throw new Error("total length of command line and environment variables exceeds limit"); + } + + this._inst.exports.run(argc, argv); + if (this.exited) { + this._resolveExitPromise(); + } + await this._exitPromise; + } + + _resume() { + if (this.exited) { + throw new Error("Go program has already exited"); + } + this._inst.exports.resume(); + if (this.exited) { + this._resolveExitPromise(); + } + } + + _makeFuncWrapper(id) { + const go = this; + return function () { + const event = { id: id, this: this, args: arguments }; + go._pendingEvent = event; + go._resume(); + return event.result; + }; + } + } +})();