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webpack.helper.mjs
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webpack.helper.mjs
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import { resolve } from 'path';
import nodeExternals from 'webpack-node-externals';
const isObject = item => item && typeof item === 'object' && !Array.isArray(item);
/* To deep merge a custom config with the default */
const mergeDeep = (target, source) => {
let output = Object.assign({}, target);
if (isObject(target) && isObject(source)) {
Object.keys(source).forEach(key => {
if (isObject(source[key])) {
if (!(key in target)) Object.assign(output, { [key]: source[key] });
else output[key] = mergeDeep(target[key], source[key]);
} else {
Object.assign(output, { [key]: source[key] });
}
});
}
return output;
};
const defaultConfig = {
module: {
rules: [
{
test: /\.tsx?$/,
use: [
{
loader: 'ts-loader',
},
],
exclude: /node_modules/,
},
],
},
resolve: {
extensions: ['.ts'],
},
externals: [nodeExternals()],
};
const getCustomTsLoaderOptions = options => {
return {
test: /\.tsx?$/,
use: [
{
loader: 'ts-loader',
options,
},
],
exclude: /node_modules/,
};
};
const getConfigTemplate = config => {
const mergedConfig = mergeDeep(defaultConfig, { ...config });
console.log(mergedConfig);
return mergedConfig;
};
const cjsModules = ['commonjs', 'commonjs2'];
const getOutput = ({ type, name }) => {
const ext = cjsModules.includes(type) ? 'cjs' : 'js';
return {
path: resolve('build'),
filename: `azurapi.${name || type}.bundle.${ext}`,
library: { type },
};
};
const getResolveFallback = () => ({
fallback: { fs: false, http: false, https: false, url: false, path: false },
});
export {
isObject,
mergeDeep,
getResolveFallback,
getConfigTemplate,
getOutput,
defaultConfig,
getCustomTsLoaderOptions,
};