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Code Issues Releases Wiki Activity

Remove old binaryen/percy projects

wasm_2020
Bradlee Speice 2020-07-24 14:16:59 -04:00
parent b3b81c2ee5
commit 5b210b3fdf
35 changed files with 7 additions and 24351 deletions
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9
README.md
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@ -1,5 +1,10 @@
# Electron applications in Rust
Each app is a starter example, and can be run with `yarn install && yarn start`.
It's 2020, and a lot has changed.
`stdweb` and `yew` examples currently don't run.
- With the advent of Webpack 5, the previous issues with using WASM in Electron have been vanquished. I can only assume some form of sorcery was involved. All examples have been updated to use the new version.
- `wasm32-unknown-unknown` targets are enabled for stable Rust
- The previous [`percy`](https://github.com/chinedufn/percy) example has been removed. While work continues on the project, there haven't been any releases.
- A new framework [`seed`](https://github.com/seed-rs/seed) as been added as an example.
Each app is a starter example, and can be run with `yarn install && yarn start`.

42
binaryen/.compilerc
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@ -1,42 +0,0 @@
{
"env": {
"development": {
"application/javascript": {
"presets": [
[
"env",
{
"targets": {
"electron": 2
}
}
],
"react"
],
"plugins": [
"transform-async-to-generator"
],
"sourceMaps": "inline"
}
},
"production": {
"application/javascript": {
"presets": [
[
"env",
{
"targets": {
"electron": 2
}
}
],
"react"
],
"plugins": [
"transform-async-to-generator"
],
"sourceMaps": "none"
}
}
}
}

9
binaryen/.eslintrc
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@ -1,9 +0,0 @@
{
"extends": "eslint-config-airbnb",
"rules": {
"import/extensions": 0,
"import/no-extraneous-dependencies": 0,
"import/no-unresolved": [2, { "ignore": ["electron"] }],
"linebreak-style": 0
}
}

5
binaryen/.gitignore vendored
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@ -1,5 +0,0 @@
node_modules/
Cargo.lock
target/
dist/
binaryen/

15
binaryen/Cargo.toml
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@ -1,15 +0,0 @@
[package]
authors = ["Bradlee Speice"]
categories = ["wasm"]
description = "A no-framework WASM Electron app"
license = "Apache-2.0/MIT"
name = "stdweb_electron"
readme = "./README.md"
repository = "https://github.com/rustwasm/rust-webpack-template"
version = "0.1.0"
[lib]
crate-type = ["cdylib"]
[dependencies]
stdweb = "0.4"

27
binaryen/build.sh
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@ -1,27 +0,0 @@
#!/bin/bash
DIR="$(dirname $0)"
WASM_DIR="$DIR/target/wasm32-unknown-unknown"
WASM_NAME="$(cat "$DIR/Cargo.toml" | grep name | sed 's/name = "//' | sed 's/"//g')"
APP_DIR="$DIR/dist/"
if [ ! -f "$DIR/binaryen/bin/wasm2js" ]; then
git clone "https://github.com/WebAssembly/binaryen" "$DIR/binaryen"
pushd "$DIR/binaryen"
cmake . && make -j8
popd
fi
if [ ! -d "$APP_DIR" ]; then
mkdir "$APP_DIR"
fi
cp "$DIR/static/"* "$APP_DIR"
if [ -z "$(which cargo)" ]; then
echo 'Must install `cargo` before proceeding. Please see https://rustup.rs/ for more information.'
exit 1
fi
cargo +nightly build --target=wasm32-unknown-unknown && \
"$DIR/binaryen/bin/wasm2js" --pedantic "$WASM_DIR/debug/stdweb_electron.wasm" -o "$APP_DIR/stdweb_electron.js" && \
"$DIR/node_modules/webpack-cli/bin/cli.js" --mode=development "$APP_DIR/stdweb_electron.js" -o "$APP_DIR/bundle.js"

66
binaryen/package.json
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@ -1,66 +0,0 @@
{
"name": "electron_percy_wasm",
"productName": "electron_percy_wasm",
"version": "1.0.0",
"description": "My Electron application description",
"main": "dist/index.js",
"scripts": {
"prestart": "./build.sh",
"start": "electron-forge start",
"package": "electron-forge package",
"make": "electron-forge make",
"lint": "eslint src"
},
"keywords": [],
"author": "bspeice",
"license": "MIT",
"config": {
"forge": {
"make_targets": {
"win32": [
"squirrel"
],
"darwin": [
"zip"
],
"linux": [
"deb",
"rpm"
]
},
"electronPackagerConfig": {
"packageManager": "yarn"
},
"electronWinstallerConfig": {
"name": "electron_percy_wasm"
},
"electronInstallerDebian": {},
"electronInstallerRedhat": {},
"github_repository": {
"owner": "",
"name": ""
},
"windowsStoreConfig": {
"packageName": "",
"name": "electron_percy_wasm"
}
}
},
"dependencies": {
"electron-compile": "^6.4.3",
"webpack": "^4.17.1",
"webpack-cli": "^3.1.0"
},
"devDependencies": {
"babel-plugin-transform-async-to-generator": "^6.24.1",
"babel-preset-env": "^1.7.0",
"babel-preset-react": "^6.24.1",
"electron-forge": "^5.2.2",
"electron-prebuilt-compile": "2.0.7",
"eslint": "^3",
"eslint-config-airbnb": "^15",
"eslint-plugin-import": "^2",
"eslint-plugin-jsx-a11y": "^5",
"eslint-plugin-react": "^7"
}
}

16
binaryen/src/lib.rs
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@ -1,16 +0,0 @@
extern crate stdweb;
use stdweb::web::document;
use stdweb::web::INode;
use stdweb::web::IElement;
pub fn run() {
stdweb::initialize();
let doc = document();
let val = doc.create_element("p").unwrap();
val.set_attribute("innerHTML", "IT IS ALIVE").unwrap();
doc.body().unwrap().append_child(&val);
stdweb::event_loop();
}

8
binaryen/static/app_loader.js
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@ -1,8 +0,0 @@
const app = import("./stdweb_electron")
app.then(module => {
console.log("Finished resolving application bundle")
module.run()
}, (e) => {
console.log("Unable to resolve application bundle: ")
console.log(e)
})

11
binaryen/static/index.html
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@ -1,11 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<p>Loading...</p>
</body>
<script src="./bundle.js"/>
</html>

52
binaryen/static/index.js
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@ -1,52 +0,0 @@
import { app, BrowserWindow } from 'electron';
// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let mainWindow;
const createWindow = () => {
// Create the browser window.
mainWindow = new BrowserWindow({
width: 800,
height: 600,
});
// and load the index.html of the app.
mainWindow.loadURL(`file://${__dirname}/index.html`);
// Open the DevTools.
mainWindow.webContents.openDevTools();
// Emitted when the window is closed.
mainWindow.on('closed', () => {
// Dereference the window object, usually you would store windows
// in an array if your app supports multi windows, this is the time
// when you should delete the corresponding element.
mainWindow = null;
});
};
// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on('ready', createWindow);
// Quit when all windows are closed.
app.on('window-all-closed', () => {
// On OS X it is common for applications and their menu bar
// to stay active until the user quits explicitly with Cmd + Q
if (process.platform !== 'darwin') {
app.quit();
}
});
app.on('activate', () => {
// On OS X it's common to re-create a window in the app when the
// dock icon is clicked and there are no other windows open.
if (mainWindow === null) {
createWindow();
}
});
// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and import them here.

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binaryen/yarn.lock
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42
percy/.compilerc
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@ -1,42 +0,0 @@
{
"env": {
"development": {
"application/javascript": {
"presets": [
[
"env",
{
"targets": {
"electron": 2
}
}
],
"react"
],
"plugins": [
"transform-async-to-generator"
],
"sourceMaps": "inline"
}
},
"production": {
"application/javascript": {
"presets": [
[
"env",
{
"targets": {
"electron": 2
}
}
],
"react"
],
"plugins": [
"transform-async-to-generator"
],
"sourceMaps": "none"
}
}
}
}

9
percy/.eslintrc
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@ -1,9 +0,0 @@
{
"extends": "eslint-config-airbnb",
"rules": {
"import/extensions": 0,
"import/no-extraneous-dependencies": 0,
"import/no-unresolved": [2, { "ignore": ["electron"] }],
"linebreak-style": 0
}
}

4
percy/.gitignore vendored
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@ -1,4 +0,0 @@
node_modules/
Cargo.lock
target/
dist/

12
percy/Cargo.toml
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@ -1,12 +0,0 @@
[package]
name = "percy"
version = "0.1.0"
authors = ["Bradlee Speice <bradlee@speice.io>"]
[lib]
crate-type = ["cdylib"]
[dependencies]
percy-webapis = "0.0.1"
virtual-dom-rs = "0.1"
wasm-bindgen = "0.2"

25
percy/build.sh
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@ -1,25 +0,0 @@
DIR="$(dirname $0)"
WASM_DIR="$DIR/target/wasm32-unknown-unknown"
WASM_NAME="$(cat "$DIR/Cargo.toml" | grep name | sed 's/name = "//' | sed 's/"//g')"
APP_DIR="$DIR/dist/"
if [ ! -d "$APP_DIR" ]; then
mkdir "$APP_DIR"
fi
cp "$DIR/static/"* "$APP_DIR"
if [ -z "$(which cargo)" ]; then
echo 'Must install `cargo` before proceeding. Please see https://rustup.rs/ for more information.'
exit 1
fi
if [ -z "$(which wasm-bindgen)" ]; then
echo "Installing wasm-bindgen-cli"
cargo install wasm-bindgen-cli
fi
cargo +nightly build --target=wasm32-unknown-unknown && \
wasm-bindgen "$WASM_DIR/debug/$WASM_NAME.wasm" --out-dir "$APP_DIR" --no-typescript && \
# Have to use --mode=development so we can patch out the call to instantiateStreaming
"$DIR/node_modules/webpack-cli/bin/cli.js" --mode=development "$APP_DIR/app_loader.js" -o "$APP_DIR/bundle.js" && \
sed -i 's/.*instantiateStreaming.*//g' "$APP_DIR/bundle.js"

66
percy/package.json
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@ -1,66 +0,0 @@
{
"name": "electron_percy_wasm",
"productName": "electron_percy_wasm",
"version": "1.0.0",
"description": "My Electron application description",
"main": "dist/index.js",
"scripts": {
"prestart": "./build.sh",
"start": "electron-forge start",
"package": "electron-forge package",
"make": "electron-forge make",
"lint": "eslint src"
},
"keywords": [],
"author": "bspeice",
"license": "MIT",
"config": {
"forge": {
"make_targets": {
"win32": [
"squirrel"
],
"darwin": [
"zip"
],
"linux": [
"deb",
"rpm"
]
},
"electronPackagerConfig": {
"packageManager": "yarn"
},
"electronWinstallerConfig": {
"name": "electron_percy_wasm"
},
"electronInstallerDebian": {},
"electronInstallerRedhat": {},
"github_repository": {
"owner": "",
"name": ""
},
"windowsStoreConfig": {
"packageName": "",
"name": "electron_percy_wasm"
}
}
},
"dependencies": {
"electron-compile": "^6.4.3",
"webpack": "^4.17.1",
"webpack-cli": "^3.1.0"
},
"devDependencies": {
"babel-plugin-transform-async-to-generator": "^6.24.1",
"babel-preset-env": "^1.7.0",
"babel-preset-react": "^6.24.1",
"electron-forge": "^5.2.2",
"electron-prebuilt-compile": "2.0.7",
"eslint": "^3",
"eslint-config-airbnb": "^15",
"eslint-plugin-import": "^2",
"eslint-plugin-jsx-a11y": "^5",
"eslint-plugin-react": "^7"
}
}

20
percy/src/lib.rs
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@ -1,20 +0,0 @@
#[macro_use]
extern crate virtual_dom_rs;
extern crate percy_webapis;
extern crate wasm_bindgen;
use percy_webapis::log;
use percy_webapis::Element;
use wasm_bindgen::prelude::*;
#[wasm_bindgen]
pub fn main() -> Element {
log("Entered Rust code");
let elem = html! {
<span> {"It is alive!"} </span>
};
elem.create_element()
}

10
percy/static/app_loader.js
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@ -1,10 +0,0 @@
const app = import("./percy")
app.then(module => {
console.log("Finished resolving application bundle")
let rootNode = document.getElementById('root')
rootNode.parentElement.replaceChild(module.main(), rootNode)
rootNode = document.getElementById('root')
}, (e) => {
console.log("Unable to resolve application bundle: ")
console.log(e)
})

11
percy/static/index.html
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@ -1,11 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<div id="root">Loading...</div>
</body>
<script src="./bundle.js"/>
</html>

52
percy/static/index.js
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import { app, BrowserWindow } from 'electron';
// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let mainWindow;
const createWindow = () => {
// Create the browser window.
mainWindow = new BrowserWindow({
width: 800,
height: 600,
});
// and load the index.html of the app.
mainWindow.loadURL(`file://${__dirname}/index.html`);
// Open the DevTools.
mainWindow.webContents.openDevTools();
// Emitted when the window is closed.
mainWindow.on('closed', () => {
// Dereference the window object, usually you would store windows
// in an array if your app supports multi windows, this is the time
// when you should delete the corresponding element.
mainWindow = null;
});
};
// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on('ready', createWindow);
// Quit when all windows are closed.
app.on('window-all-closed', () => {
// On OS X it is common for applications and their menu bar
// to stay active until the user quits explicitly with Cmd + Q
if (process.platform !== 'darwin') {
app.quit();
}
});
app.on('activate', () => {
// On OS X it's common to re-create a window in the app when the
// dock icon is clicked and there are no other windows open.
if (mainWindow === null) {
createWindow();
}
});
// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and import them here.

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percy/yarn.lock
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42
percy_patched_webpack/.compilerc
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@ -1,42 +0,0 @@
{
"env": {
"development": {
"application/javascript": {
"presets": [
[
"env",
{
"targets": {
"electron": 2
}
}
],
"react"
],
"plugins": [
"transform-async-to-generator"
],
"sourceMaps": "inline"
}
},
"production": {
"application/javascript": {
"presets": [
[
"env",
{
"targets": {
"electron": 2
}
}
],
"react"
],
"plugins": [
"transform-async-to-generator"
],
"sourceMaps": "none"
}
}
}
}

9
percy_patched_webpack/.eslintrc
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@ -1,9 +0,0 @@
{
"extends": "eslint-config-airbnb",
"rules": {
"import/extensions": 0,
"import/no-extraneous-dependencies": 0,
"import/no-unresolved": [2, { "ignore": ["electron"] }],
"linebreak-style": 0
}
}

4
percy_patched_webpack/.gitignore vendored
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@ -1,4 +0,0 @@
node_modules/
Cargo.lock
target/
dist/

12
percy_patched_webpack/Cargo.toml
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@ -1,12 +0,0 @@
[package]
name = "percy"
version = "0.1.0"
authors = ["Bradlee Speice <bradlee@speice.io>"]
[lib]
crate-type = ["cdylib"]
[dependencies]
percy-webapis = "0.0.1"
virtual-dom-rs = "0.1"
wasm-bindgen = "0.2"

372
percy_patched_webpack/WasmMainTemplatePlugin.patched.js
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@ -1,372 +0,0 @@
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const Template = require("../Template");
const WebAssemblyUtils = require("./WebAssemblyUtils");
/** @typedef {import("../Module")} Module */
/** @typedef {import("../MainTemplate")} MainTemplate */
// Get all wasm modules
const getAllWasmModules = chunk => {
const wasmModules = chunk.getAllAsyncChunks();
const array = [];
for (const chunk of wasmModules) {
for (const m of chunk.modulesIterable) {
if (m.type.startsWith("webassembly")) {
array.push(m);
}
}
}
return array;
};
/**
* generates the import object function for a module
* @param {Module} module the module
* @param {boolean} mangle mangle imports
* @returns {string} source code
*/
const generateImportObject = (module, mangle) => {
const waitForInstances = new Map();
const properties = [];
const usedWasmDependencies = WebAssemblyUtils.getUsedDependencies(
module,
mangle
);
for (const usedDep of usedWasmDependencies) {
const dep = usedDep.dependency;
const importedModule = dep.module;
const exportName = dep.name;
const usedName = importedModule && importedModule.isUsed(exportName);
const description = dep.description;
const direct = dep.onlyDirectImport;
const module = usedDep.module;
const name = usedDep.name;
if (direct) {
const instanceVar = `m${waitForInstances.size}`;
waitForInstances.set(instanceVar, importedModule.id);
properties.push({
module,
name,
value: `${instanceVar}[${JSON.stringify(usedName)}]`
});
} else {
const params = description.signature.params.map(
(param, k) => "p" + k + param.valtype
);
const mod = `installedModules[${JSON.stringify(importedModule.id)}]`;
const func = `${mod}.exports[${JSON.stringify(usedName)}]`;
properties.push({
module,
name,
value: Template.asString([
(importedModule.type.startsWith("webassembly")
? `${mod} ? ${func} : `
: "") + `function(${params}) {`,
Template.indent([`return ${func}(${params});`]),
"}"
])
});
}
}
let importObject;
if (mangle) {
importObject = [
"return {",
Template.indent([
properties.map(p => `${JSON.stringify(p.name)}: ${p.value}`).join(",\n")
]),
"};"
];
} else {
const propertiesByModule = new Map();
for (const p of properties) {
let list = propertiesByModule.get(p.module);
if (list === undefined) {
propertiesByModule.set(p.module, (list = []));
}
list.push(p);
}
importObject = [
"return {",
Template.indent([
Array.from(propertiesByModule, ([module, list]) => {
return Template.asString([
`${JSON.stringify(module)}: {`,
Template.indent([
list.map(p => `${JSON.stringify(p.name)}: ${p.value}`).join(",\n")
]),
"}"
]);
}).join(",\n")
]),
"};"
];
}
if (waitForInstances.size === 1) {
const moduleId = Array.from(waitForInstances.values())[0];
const promise = `installedWasmModules[${JSON.stringify(moduleId)}]`;
const variable = Array.from(waitForInstances.keys())[0];
return Template.asString([
`${JSON.stringify(module.id)}: function() {`,
Template.indent([
`return promiseResolve().then(function() { return ${promise}; }).then(function(${variable}) {`,
Template.indent(importObject),
"});"
]),
"},"
]);
} else if (waitForInstances.size > 0) {
const promises = Array.from(
waitForInstances.values(),
id => `installedWasmModules[${JSON.stringify(id)}]`
).join(", ");
const variables = Array.from(
waitForInstances.keys(),
(name, i) => `${name} = array[${i}]`
).join(", ");
return Template.asString([
`${JSON.stringify(module.id)}: function() {`,
Template.indent([
`return promiseResolve().then(function() { return Promise.all([${promises}]); }).then(function(array) {`,
Template.indent([`var ${variables};`, ...importObject]),
"});"
]),
"},"
]);
} else {
return Template.asString([
`${JSON.stringify(module.id)}: function() {`,
Template.indent(importObject),
"},"
]);
}
};
class WasmMainTemplatePlugin {
constructor({ generateLoadBinaryCode, supportsStreaming, mangleImports }) {
this.generateLoadBinaryCode = generateLoadBinaryCode;
this.supportsStreaming = supportsStreaming;
this.mangleImports = mangleImports;
}
/**
* @param {MainTemplate} mainTemplate main template
* @returns {void}
*/
apply(mainTemplate) {
mainTemplate.hooks.localVars.tap(
"WasmMainTemplatePlugin",
(source, chunk) => {
const wasmModules = getAllWasmModules(chunk);
if (wasmModules.length === 0) return source;
const importObjects = wasmModules.map(module => {
return generateImportObject(module, this.mangleImports);
});
return Template.asString([
source,
"",
"// object to store loaded and loading wasm modules",
"var installedWasmModules = {};",
"",
// This function is used to delay reading the installed wasm module promises
// by a microtask. Sorting them doesn't help because there are egdecases where
// sorting is not possible (modules splitted into different chunks).
// So we not even trying and solve this by a microtask delay.
"function promiseResolve() { return Promise.resolve(); }",
"",
"var wasmImportObjects = {",
Template.indent(importObjects),
"};"
]);
}
);
mainTemplate.hooks.requireEnsure.tap(
"WasmMainTemplatePlugin",
(source, chunk, hash) => {
const webassemblyModuleFilename =
mainTemplate.outputOptions.webassemblyModuleFilename;
const chunkModuleMaps = chunk.getChunkModuleMaps(m =>
m.type.startsWith("webassembly")
);
if (Object.keys(chunkModuleMaps.id).length === 0) return source;
const wasmModuleSrcPath = mainTemplate.getAssetPath(
JSON.stringify(webassemblyModuleFilename),
{
hash: `" + ${mainTemplate.renderCurrentHashCode(hash)} + "`,
hashWithLength: length =>
`" + ${mainTemplate.renderCurrentHashCode(hash, length)} + "`,
module: {
id: '" + wasmModuleId + "',
hash: `" + ${JSON.stringify(
chunkModuleMaps.hash
)}[wasmModuleId] + "`,
hashWithLength(length) {
const shortChunkHashMap = Object.create(null);
for (const wasmModuleId of Object.keys(chunkModuleMaps.hash)) {
if (typeof chunkModuleMaps.hash[wasmModuleId] === "string") {
shortChunkHashMap[wasmModuleId] = chunkModuleMaps.hash[
wasmModuleId
].substr(0, length);
}
}
return `" + ${JSON.stringify(
shortChunkHashMap
)}[wasmModuleId] + "`;
}
}
}
);
const createImportObject = content =>
this.mangleImports
? `{ ${JSON.stringify(
WebAssemblyUtils.MANGLED_MODULE
)}: ${content} }`
: content;
return Template.asString([
source,
"",
"// Fetch + compile chunk loading for webassembly",
"",
`var wasmModules = ${JSON.stringify(
chunkModuleMaps.id
)}[chunkId] || [];`,
"",
"wasmModules.forEach(function(wasmModuleId) {",
Template.indent([
"var installedWasmModuleData = installedWasmModules[wasmModuleId];",
"",
'// a Promise means "currently loading" or "already loaded".',
"if(installedWasmModuleData)",
Template.indent(["promises.push(installedWasmModuleData);"]),
"else {",
Template.indent([
`var importObject = wasmImportObjects[wasmModuleId]();`,
`var req = ${this.generateLoadBinaryCode(wasmModuleSrcPath)};`,
"var promise;",
this.supportsStreaming
? Template.asString([
"if(importObject instanceof Promise && typeof WebAssembly.compileStreaming === 'function') {",
Template.indent([
"promise = Promise.all([WebAssembly.compileStreaming(req), importObject]).then(function(items) {",
Template.indent([
`return WebAssembly.instantiate(items[0], ${createImportObject(
"items[1]"
)});`
]),
"});"
]),
"} else if(typeof WebAssembly.instantiateStreaming === 'function') {",
Template.indent([
`promise = WebAssembly.instantiateStreaming(req, ${createImportObject(
"importObject"
)}).catch(function(reason) {`,
Template.indent([
`if (reason.name === "TypeError") {`,
Template.indent([
`console.log("Potential WASM MIME issue detected, falling back to arrayBuffer instantiation");`,
"return req.then(function(x) { return x.arrayBuffer(); }).then(function(bytes) {",
Template.indent([
"return WebAssembly.instantiate(bytes, importObject);"
]),
"});"
]),
"}",
"throw reason;"
]),
"});"
])
])
: Template.asString([
"if(importObject instanceof Promise) {",
Template.indent([
"var bytesPromise = req.then(function(x) { return x.arrayBuffer(); });",
"promise = Promise.all([",
Template.indent([
"bytesPromise.then(function(bytes) { return WebAssembly.compile(bytes); }),",
"importObject"
]),
"]).then(function(items) {",
Template.indent([
`return WebAssembly.instantiate(items[0], ${createImportObject(
"items[1]"
)});`
]),
"});"
])
]),
"} else {",
Template.indent([
"var bytesPromise = req.then(function(x) { return x.arrayBuffer(); });",
"promise = bytesPromise.then(function(bytes) {",
Template.indent([
`return WebAssembly.instantiate(bytes, ${createImportObject(
"importObject"
)});`
]),
"});"
]),
"}",
"promises.push(installedWasmModules[wasmModuleId] = promise.then(function(res) {",
Template.indent([
`return ${
mainTemplate.requireFn
}.w[wasmModuleId] = (res.instance || res).exports;`
]),
"}));"
]),
"}"
]),
"});"
]);
}
);
mainTemplate.hooks.requireExtensions.tap(
"WasmMainTemplatePlugin",
(source, chunk) => {
if (!chunk.hasModuleInGraph(m => m.type.startsWith("webassembly"))) {
return source;
}
return Template.asString([
source,
"",
"// object with all WebAssembly.instance exports",
`${mainTemplate.requireFn}.w = {};`
]);
}
);
mainTemplate.hooks.hash.tap("WasmMainTemplatePlugin", hash => {
hash.update("WasmMainTemplatePlugin");
hash.update("1");
hash.update(`${mainTemplate.outputOptions.webassemblyModuleFilename}`);
hash.update(`${this.mangleImports}`);
});
mainTemplate.hooks.hashForChunk.tap(
"WasmMainTemplatePlugin",
(hash, chunk) => {
const chunkModuleMaps = chunk.getChunkModuleMaps(m =>
m.type.startsWith("webassembly")
);
hash.update(JSON.stringify(chunkModuleMaps.id));
const wasmModules = getAllWasmModules(chunk);
for (const module of wasmModules) {
hash.update(module.hash);
}
}
);
}
}
module.exports = WasmMainTemplatePlugin;

27
percy_patched_webpack/build.sh
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@ -1,27 +0,0 @@
DIR="$(dirname $0)"
WASM_DIR="$DIR/target/wasm32-unknown-unknown"
WASM_NAME="$(cat "$DIR/Cargo.toml" | grep name | sed 's/name = "//' | sed 's/"//g')"
APP_DIR="$DIR/dist/"
if [ ! -d "$APP_DIR" ]; then
mkdir "$APP_DIR"
fi
cp "$DIR/static/"* "$APP_DIR"
if [ -z "$(which cargo)" ]; then
echo 'Must install `cargo` before proceeding. Please see https://rustup.rs/ for more information.'
exit 1
fi
if [ -z "$(which wasm-bindgen)" ]; then
echo "Installing wasm-bindgen-cli"
cargo install wasm-bindgen-cli
fi
# Patch from: https://github.com/webpack/webpack/pull/7983
cp "$DIR/WasmMainTemplatePlugin.patched.js" "$DIR/node_modules/webpack/lib/wasm/WasmMainTemplatePlugin.js"
cargo +nightly build --target=wasm32-unknown-unknown && \
wasm-bindgen "$WASM_DIR/debug/$WASM_NAME.wasm" --out-dir "$APP_DIR" --no-typescript && \
# --mode=production requires https://github.com/webpack/webpack/pull/7732
"$DIR/node_modules/webpack-cli/bin/cli.js" --mode=production "$APP_DIR/app_loader.js" -o "$APP_DIR/bundle.js"

66
percy_patched_webpack/package.json
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@ -1,66 +0,0 @@
{
"name": "electron_percy_wasm",
"productName": "electron_percy_wasm",
"version": "1.0.0",
"description": "My Electron application description",
"main": "dist/index.js",
"scripts": {
"prestart": "./build.sh",
"start": "electron-forge start",
"package": "electron-forge package",
"make": "electron-forge make",
"lint": "eslint src"
},
"keywords": [],
"author": "bspeice",
"license": "MIT",
"config": {
"forge": {
"make_targets": {
"win32": [
"squirrel"
],
"darwin": [
"zip"
],
"linux": [
"deb",
"rpm"
]
},
"electronPackagerConfig": {
"packageManager": "yarn"
},
"electronWinstallerConfig": {
"name": "electron_percy_wasm"
},
"electronInstallerDebian": {},
"electronInstallerRedhat": {},
"github_repository": {
"owner": "",
"name": ""
},
"windowsStoreConfig": {
"packageName": "",
"name": "electron_percy_wasm"
}
}
},
"dependencies": {
"electron-compile": "^6.4.3",
"webpack": "^4.17.1",
"webpack-cli": "^3.1.0"
},
"devDependencies": {
"babel-plugin-transform-async-to-generator": "^6.24.1",
"babel-preset-env": "^1.7.0",
"babel-preset-react": "^6.24.1",
"electron-forge": "^5.2.2",
"electron-prebuilt-compile": "2.0.7",
"eslint": "^3",
"eslint-config-airbnb": "^15",
"eslint-plugin-import": "^2",
"eslint-plugin-jsx-a11y": "^5",
"eslint-plugin-react": "^7"
}
}

20
percy_patched_webpack/src/lib.rs
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@ -1,20 +0,0 @@
#[macro_use]
extern crate virtual_dom_rs;
extern crate percy_webapis;
extern crate wasm_bindgen;
use percy_webapis::log;
use percy_webapis::Element;
use wasm_bindgen::prelude::*;
#[wasm_bindgen]
pub fn main() -> Element {
log("Entered Rust code");
let elem = html! {
<span> {"It is alive!"} </span>
};
elem.create_element()
}

10
percy_patched_webpack/static/app_loader.js
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@ -1,10 +0,0 @@
const app = import("./percy")
app.then(module => {
console.log("Finished resolving application bundle")
let rootNode = document.getElementById('root')
rootNode.parentElement.replaceChild(module.main(), rootNode)
rootNode = document.getElementById('root')
}, (e) => {
console.log("Unable to resolve application bundle: ")
console.log(e)
})

11
percy_patched_webpack/static/index.html
View File

@ -1,11 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<div id="root">Loading...</div>
</body>
<script src="./bundle.js"/>
</html>

52
percy_patched_webpack/static/index.js
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@ -1,52 +0,0 @@
import { app, BrowserWindow } from 'electron';
// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let mainWindow;
const createWindow = () => {
// Create the browser window.
mainWindow = new BrowserWindow({
width: 800,
height: 600,
});
// and load the index.html of the app.
mainWindow.loadURL(`file://${__dirname}/index.html`);
// Open the DevTools.
mainWindow.webContents.openDevTools();
// Emitted when the window is closed.
mainWindow.on('closed', () => {
// Dereference the window object, usually you would store windows
// in an array if your app supports multi windows, this is the time
// when you should delete the corresponding element.
mainWindow = null;
});
};
// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on('ready', createWindow);
// Quit when all windows are closed.
app.on('window-all-closed', () => {
// On OS X it is common for applications and their menu bar
// to stay active until the user quits explicitly with Cmd + Q
if (process.platform !== 'darwin') {
app.quit();
}
});
app.on('activate', () => {
// On OS X it's common to re-create a window in the app when the
// dock icon is clicked and there are no other windows open.
if (mainWindow === null) {
createWindow();
}
});
// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and import them here.

7736
percy_patched_webpack/yarn.lock
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