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webpack.common.js
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webpack.common.js
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const path = require("path");
const { execSync} = require("child_process");
const { readFileSync } = require("fs");
const DIST_NAME = "collections";
const relDir = (...pathFrags)=>path.resolve(__dirname, ...pathFrags);
const hasFiles = (extension)=>{
const rv = execSync(`find ${relDir("src")} -type f -name '*.${extension}'`);
return rv.toString() && rv.toString().length > 0;
}
const hasShaderFiles = ()=>{
return hasFiles("glsl");
}
const hasCSSFiles = ()=>{
return hasFiles("css");
}
const hasCSVFiles = ()=>{
return hasFiles("csv") || hasFiles("tsv") || hasFiles("txt");
}
const hasPNGFiles = ()=>{
return hasFiles("png");
}
const hasDependency = (dep)=>{
const info = getPackageJSON();
return (info.peerDependencies && info.peerDependencies[dep]) ||
(info.dependencies && info.dependencies[dep]) ||
(info.devDependencies && info.devDependencies[dep]) ||
(info.optionalDependencies && info.optionalDependencies[dep]);
}
const hasReact = ()=>{
return hasDependency("react") || hasDependency("react-dom");
}
const recognizedExternals = {
"react":{
commonjs:"react",
commonjs2:"react",
amd:"react",
root:"React"
},
"react-dom":{
commonjs:"react-dom",
commonjs2:"react-dom",
amd:"react-dom",
root:"ReactDOM"
},
"parsegraph-log":{
commonjs:"parsegraph-log",
commonjs2:"parsegraph-log",
amd:"parsegraph-log",
root:"parsegraph_log"
},
"parsegraph-checkglerror":{
commonjs:"parsegraph-checkglerror",
commonjs2:"parsegraph-checkglerror",
amd:"parsegraph-checkglerror",
root:"parsegraph_checkglerror"
}
};
const getPackageJSON = ()=>{
return JSON.parse(readFileSync(relDir("package.json")));
};
const buildExternals = ()=>{
const rv = {};
const packageJson = getPackageJSON();
if (packageJson.peerDependencies) {
Object.keys(recognizedExternals).forEach(name=>{
if(name in packageJson.peerDependencies) {
rv[name] = recognizedExternals[name];
}
});
}
return rv;
};
const webpackConfig = (prod, isPeer)=>{
const rules = [
{
test: /\.(js|ts|tsx?)$/,
exclude: /node_modules/,
use: ["babel-loader", {
loader: "ts-loader",
options: {
configFile: prod ? "tsconfig.prod.json" : "tsconfig.browser.json",
compilerOptions: {
sourceMap: prod
}
}
}]
},
];
const extensions = [".js", ".ts", ".tsx"];
if (hasShaderFiles()) {
rules.push({
test: /\.(glsl|vs|fs|vert|frag)$/,
exclude: /node_modules/,
use: ["ts-shader-loader"],
});
extensions.push(".glsl");
}
if (hasCSVFiles()) {
rules.push({
test: /\.(csv|tsv|txt)$/i,
use: "raw-loader"
});
extensions.push(".tsv");
extensions.push(".txt");
extensions.push(".csv");
}
if (hasCSSFiles()) {
rules.push({
test: /\.(css)$/,
use: hasReact() ? ["style-loader", "css-loader"] : ["raw-loader"],
});
extensions.push(".css");
}
if (hasPNGFiles()) {
rules.push({
test: /\.png/,
type: "asset/inline"
});
}
rules.push(
{
test: /\.js$/,
enforce: "pre",
use: ["source-map-loader"],
}
);
return {
externals: buildExternals(),
output: {
path: relDir(prod ? "dist-prod" : "dist", "src"),
globalObject: "this",
library: `parsegraph_${DIST_NAME}`,
libraryTarget: "umd",
},
module: {
rules
},
resolve: {
extensions,
modules: [relDir("src"), relDir("node_modules")]
},
mode: prod ? "production" : "development",
devtool: isPeer ? "inline-source-map" : "source-map"
};
};
module.exports = {
DIST_NAME,
relDir,
webpackConfig
};