Add support for 32-bit Windows (win32-ia32)

README.md

@@ -20,7 +20,7 @@ Lanczos resampling ensures quality is not sacrificed for speed.
 As well as image resizing, operations such as
 rotation, extraction, compositing and gamma correction are available.
 
-Most modern 64-bit macOS, Windows and Linux systems running Node.js v10.16.0+
+Most modern macOS, Windows and Linux systems running Node.js v10.16.0+
 do not require any additional install or runtime dependencies.
 
 ## Examples

appveyor.yml

@@ -1,15 +1,22 @@
 os: Visual Studio 2017
 version: "{build}"
 build: off
-platform: x64
 environment:
   matrix:
   - nodejs_version: "10"
+    platform: x86
+  - nodejs_version: "10"
+    platform: x64
   - nodejs_version: "12"
+    platform: x86
+  - nodejs_version: "12"
+    platform: x64
   - nodejs_version: "13"
+    platform: x86
+  - nodejs_version: "13"
+    platform: x64
 install:
-  - ps: Update-NodeJsInstallation (Get-NodeJsLatestBuild $env:nodejs_version) x64
-  - npm install -g npm@6
+  - ps: Update-NodeJsInstallation (Get-NodeJsLatestBuild $env:nodejs_version) $env:platform
   - npm install
 test_script:
   - npm test

binding.gyp

@@ -30,6 +30,9 @@
             'msvs_settings': {
               'VCCLCompilerTool': {
                 'ExceptionHandling': 1
+              },
+              'VCLinkerTool': {
+                'ImageHasSafeExceptionHandlers': 'false'
               }
             },
             'msvs_disabled_warnings': [
@@ -194,6 +197,9 @@
             'msvs_settings': {
               'VCCLCompilerTool': {
                 'ExceptionHandling': 1
+              },
+              'VCLinkerTool': {
+                'ImageHasSafeExceptionHandlers': 'false'
               }
             },
             'msvs_disabled_warnings': [

docs/README.md

@@ -16,7 +16,7 @@ Lanczos resampling ensures quality is not sacrificed for speed.
 As well as image resizing, operations such as
 rotation, extraction, compositing and gamma correction are available.
 
-Most modern 64-bit macOS, Windows and Linux systems running Node.js v10.16.0+
+Most modern macOS, Windows and Linux systems running Node.js v10.16.0+
 do not require any additional install or runtime dependencies.
 
 [![Test Coverage](https://coveralls.io/repos/lovell/sharp/badge.png?branch=master)](https://coveralls.io/r/lovell/sharp?branch=master)

docs/changelog.md

@@ -11,6 +11,9 @@ Requires libvips v8.9.1
 * Migrate internals to N-API.
   [#1282](https://github.com/lovell/sharp/issues/1282)
 
+* Add support for 32-bit Windows.
+  [#2088](https://github.com/lovell/sharp/issues/2088)
+
 ## v0.24 - "*wit*"
 
 Requires libvips v8.9.0.

docs/install.md

@@ -19,7 +19,7 @@ Node.js v10.16.0+ (N-API v4) on the most common platforms:
 
 * macOS x64 (>= 10.13)
 * Linux x64 (glibc >= 2.17, musl >= 1.1.24)
-* Windows x64 with 64-bit `node.exe`
+* Windows
 
 A ~10MB tarball containing libvips and its most commonly used dependencies
 is downloaded via HTTPS and stored within `node_modules/sharp/vendor` during `npm install`.

install/libvips.js

@@ -57,10 +57,7 @@ try {
     // Is this arch/platform supported?
     const arch = process.env.npm_config_arch || process.arch;
     const platformAndArch = platform();
-    if (platformAndArch === 'win32-ia32') {
-      throw new Error('Windows x86 (32-bit) node.exe is not supported');
-    }
-    if (arch === 'ia32') {
+    if (arch === 'ia32' && !platformAndArch.startsWith('win32')) {
       throw new Error(`Intel Architecture 32-bit systems require manual installation of libvips >= ${minimumLibvipsVersion}`);
     }
     if (platformAndArch === 'freebsd-x64' || platformAndArch === 'openbsd-x64' || platformAndArch === 'sunos-x64') {