fix(cli): wasi fallback package load logic (#1887)

cli/package.json

@@ -77,6 +77,7 @@
     "inquirer": "^9.2.12",
     "js-yaml": "^4.1.0",
     "lodash-es": "^4.17.21",
+    "semver": "^7.5.4",
     "toml": "^3.0.0",
     "typanion": "^3.14.0"
   },

cli/src/api/create-npm-dirs.ts

@@ -1,5 +1,7 @@
 import { join, resolve } from 'node:path'
 
+import { parse } from 'semver'
+
 import {
   applyDefaultCreateNpmDirsOptions,
   CreateNpmDirsOptions,
@@ -88,6 +90,24 @@ export async function createNpmDirs(userOptions: CreateNpmDirsOptions) {
       const entry = `${binaryName}.wasi.cjs`
       scopedPackageJson.files.push(entry, `wasi-worker.mjs`)
       scopedPackageJson.main = entry
+      let needRestrictNodeVersion = true
+      if (scopedPackageJson.engines?.node) {
+        try {
+          const { major } = parse(scopedPackageJson.engines.node) ?? {
+            major: 0,
+          }
+          if (major >= 14) {
+            needRestrictNodeVersion = false
+          }
+        } catch {
+          // ignore
+        }
+      }
+      if (needRestrictNodeVersion) {
+        scopedPackageJson.engines = {
+          node: '>=14.0.0',
+        }
+      }
       const emnapiCore = await fetch(
         `https://registry.npmjs.org/@emnapi/core`,
       ).then((res) => res.json() as Promise<PackageMeta>)

cli/src/api/templates/js-binding.ts

@@ -317,6 +317,13 @@ if (!nativeBinding || process.env.NAPI_RS_FORCE_WASI) {
   } catch {
     // ignore
   }
+  if (!nativeBinding) {
+    try {
+      nativeBinding = require('${pkgName}-wasm32-wasi')
+    } catch (err) {
+      console.error(err)
+    }
+  }
 }
 
 if (!nativeBinding) {

yarn.lock

@@ -594,6 +594,7 @@ __metadata:
     js-yaml: "npm:^4.1.0"
     lodash-es: "npm:^4.17.21"
     prettier: "npm:^3.1.0"
+    semver: "npm:^7.5.4"
     toml: "npm:^3.0.0"
     ts-node: "npm:^10.9.1"
     tslib: "npm:^2.6.2"