109 lines
4.0 KiB
JavaScript
109 lines
4.0 KiB
JavaScript
const {join} = require('path');
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const {version} = require('../package.json');
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async function runtimeModule(compilation, flecks) {
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const {compiler} = compilation;
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// Inject flecks configuration.
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const paths = Object.keys(flecks.flecks);
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const resolvedPaths = (await Promise.all(
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paths.map(async (path) => [path, await flecks.resolver.resolve(path)]),
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))
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.filter(([, resolved]) => resolved)
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.map(([path]) => path);
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const ymlPath = join(flecks.root, 'build', 'flecks.yml');
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const runtime = {
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/* eslint-disable indent */
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bootstrappedConfig: JSON.stringify(flecks.invoke('@flecks/core.config')),
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config: (`
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dealiasedConfig(${
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'production' === compiler.options.mode
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? JSON.stringify(flecks.originalConfig)
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: `require('${ymlPath}').default`
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})
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`),
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/* eslint-enable indent */
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loadFlecks: [
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'async () => (',
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' Object.fromEntries(',
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' (await Promise.all(',
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' [',
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...resolvedPaths.map((path) => [
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' (async () => {',
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' try {',
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` return ['${path}', await import('${path}')];`,
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' }',
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' catch (error) {',
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' if (!error.message.startsWith("Cannot find module")) {',
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' throw error;',
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' }',
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' }',
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' })(),',
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]).flat(),
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' ],',
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' ))',
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' .filter((entry) => entry),',
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' )',
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')',
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].join('\n'),
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version: JSON.stringify(version),
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...await flecks.invokeAsync('@flecks/server.runtime'),
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};
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const runtimeString = `{${
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Object.entries(runtime)
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.map(([key, value]) => `"${key}": ${value}`).join(', ')
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}}`;
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const source = [
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`const {dealiasedConfig} = {${flecks.constructor.dealiasedConfig.toString()}};`,
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"process.env.FLECKS_CORE_BUILD_TARGET = 'server';",
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`module.exports = (async () => (${runtimeString}))();`,
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];
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// HMR.
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source.push('if (module.hot) {');
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source.push(` module.hot.accept('${ymlPath}', async () => {`);
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source.push(` const M = require('${ymlPath}').default;`);
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source.push(' try {');
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source.push(` global.flecks.invokeSequential('@flecks/core.hmr', '${ymlPath}', M);`);
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source.push(' }');
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source.push(' catch (error) {');
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// eslint-disable-next-line no-template-curly-in-string
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source.push(' console.error(`flecks.reload() failed: ${error.message}`);');
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source.push(' module.hot.invalidate();');
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source.push(' }');
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source.push(' });');
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// Keep HMR junk out of our output path.
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source.push(' const {glob} = require("glob");');
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source.push(' const {join} = require("path");');
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source.push(' const {unlink} = require("fs/promises");');
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source.push(' let previousHash = __webpack_hash__;');
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source.push(' module.hot.addStatusHandler(async (status) => {');
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source.push(' if ("idle" === status) {');
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source.push(' const disposing = await glob(');
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source.push(` join('${compiler.options.output.path}', \`*\${previousHash}.hot-update.*\`),`);
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source.push(' );');
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source.push(' await Promise.all(disposing.map((filename) => unlink(filename)));');
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source.push(' previousHash = __webpack_hash__;');
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source.push(' }');
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source.push(' });');
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// Hooks for each fleck.
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resolvedPaths.forEach((path) => {
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source.push(` module.hot.accept('${path}', async () => {`);
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source.push(` const M = require('${path}')`);
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source.push(' try {');
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source.push(` global.flecks.invokeSequential('@flecks/core.hmr', '${path}', M);`);
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source.push(` global.flecks.refresh('${path}', M);`);
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source.push(' }');
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source.push(' catch (error) {');
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// eslint-disable-next-line no-template-curly-in-string
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source.push(' console.error(`HMR failed for fleck: ${error.message}`);');
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source.push(' module.hot.invalidate();');
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source.push(' }');
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source.push(' });');
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});
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source.push('}');
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// Create asset.
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return source.join('\n');
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}
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exports.runtimeModule = runtimeModule;
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