Files
cli/src/commands/build.ts
Jacob Nguyen 32628fa64b eol
2024-04-01 10:18:09 -05:00

232 lines
9.2 KiB
TypeScript

import esbuild from 'esbuild';
import { getConfig } from '../utilities/getConfig';
import p from 'node:path';
import { glob } from 'glob';
import { configDotenv } from 'dotenv';
import assert from 'node:assert';
import { imageLoader, validExtensions } from '../plugins/imageLoader';
import defaultEsbuild from '../utilities/defaultEsbuildConfig';
import { require } from '../utilities/require';
import { pathExists, pathExistsSync } from 'find-up';
import { mkdir, writeFile } from 'fs/promises';
import * as Preprocessor from '../utilities/preprocessor';
import { bold, magentaBright } from 'colorette';
import { readFile } from 'fs/promises'
import { fileURLToPath} from 'node:url'
type BuildOptions = {
/**
* Define __VERSION__
* This option is a quick switch to defining the __VERSION__ constant which will be a string of the version provided in
* cwd's package.json
*/
defineVersion?: boolean;
/**
* default = esm
*/
format?: 'cjs' | 'esm';
/**
* extra esbuild plugins to build with sern.
*/
esbuildPlugins?: esbuild.Plugin[];
/**
* https://esbuild.github.io/api/#drop-labels
**/
dropLabels?: string[];
/**
* https://esbuild.github.io/api/#define
**/
define?: Record<string, string>;
tsconfig?: string;
/**
* default = 'development'
*/
mode: 'production' | 'development';
/**
* will search for env file. If none exists,
* default to .env.
*/
env?: string;
};
export async function build(options: Record<string, any>) {
if (!options.supressWarnings) {
console.info(`${magentaBright('EXPERIMENTAL')}: This API has not been stabilized. add -W or --suppress-warnings flag to suppress`);
}
const sernConfig = await getConfig();
let buildConfig: Partial<BuildOptions> = {};
const buildConfigPath = p.resolve(options.project ?? 'sern.build.js');
const resolveBuildConfig = (path: string|undefined, language: string) => {
if(language === 'javascript') {
return path ?? p.resolve('jsconfig.json')
}
return path ?? p.resolve('tsconfig.json')
}
const defaultBuildConfig = {
defineVersion: true,
format: options.format ?? 'esm',
mode: options.mode ?? 'development',
dropLabels: [],
tsconfig: resolveBuildConfig(options.tsconfig, sernConfig.language),
env: options.env ?? p.resolve('.env'),
};
if (pathExistsSync(buildConfigPath)) {
//throwable, buildConfigPath may not exist
buildConfig = {
...defaultBuildConfig,
...(await import('file:///' + buildConfigPath)).default,
};
} else {
buildConfig = defaultBuildConfig;
console.log('No build config found, defaulting');
}
let env = {} as Record<string, string>;
configDotenv({ path: buildConfig.env, processEnv: env });
const modeButNotNodeEnvExists = env.MODE && !env.NODE_ENV;
if (modeButNotNodeEnvExists) {
console.warn('Use NODE_ENV instead of MODE');
console.warn('MODE has no effect.');
console.warn(`https://nodejs.org/en/learn/getting-started/nodejs-the-difference-between-development-and-production`);
}
if (env.NODE_ENV) {
buildConfig.mode = env.NODE_ENV as 'production' | 'development';
console.log(magentaBright('NODE_ENV:'), 'Found NODE_ENV variable, setting `mode` to this.');
}
assert(buildConfig.mode === 'development' || buildConfig.mode === 'production', 'Mode is not `production` or `development`');
try {
let config = require(buildConfig.tsconfig!);
config.extends && console.warn("Extend the generated tsconfig")
} catch(e) {
console.warn("no tsconfig / jsconfig found");
console.warn(`Please create a ${sernConfig.language === 'javascript' ? 'jsconfig.json' : 'tsconfig.json' }`);
console.warn("It should have at least extend the generated one sern makes.")
console.warn(`
{
"extends": "./.sern/tsconfig.json",
}`.trim())
throw e;
}
console.log(bold('Building with:'));
console.log(' ', magentaBright('defineVersion'), buildConfig.defineVersion);
console.log(' ', magentaBright('format'), buildConfig.format);
console.log(' ', magentaBright('mode'), buildConfig.mode);
console.log(' ', magentaBright('tsconfig'), buildConfig.tsconfig);
console.log(' ', magentaBright('env'), buildConfig.env);
const sernDir = p.resolve('.sern'),
genDir = p.resolve(sernDir, 'generated'),
ambientFilePath = p.resolve(sernDir, 'ambient.d.ts'),
packageJsonPath = p.resolve('package.json'),
sernTsConfigPath = p.resolve(sernDir, 'tsconfig.json'),
packageJson = () => require(packageJsonPath);
if (!(await pathExists(genDir))) {
console.log('Making .sern/generated dir, does not exist');
await mkdir(genDir, { recursive: true });
}
if(sernConfig.type == 'serverless') {
//we build for cloudflare workers rn
const callsite = fileURLToPath(import.meta.url);
const template = await readFile(p.resolve(callsite, "../../../templates/cf.js"), 'utf8');
const entryPoints = await glob(`./src/**/*{${validExtensions.join(',')}}`, {
//for some reason, my ignore glob wasn't registering correctly'
ignore: {
ignored: (p) => {
return p.name.endsWith('.d.ts')
},
childrenIgnored: p => p.isNamed('commands')
},
});
const commandsPaths = await glob(`**/*`, {
ignore: {
ignored: p => p.isDirectory()
},
cwd: "./src/commands/"
});
console.log(entryPoints)
console.log(commandsPaths)
const commandsImports = commandsPaths.map(file => {
const fname = p.parse(file)
return `import ${fname.name} from "./${p.join(`./commands/${file}`).split(p.sep).join(p.posix.sep)}"`
});
console.log(commandsImports)
await esbuild.build({
entryPoints: commandsPaths.map(file => p.join("src", "commands", file)),
plugins: [imageLoader, ...(buildConfig.esbuildPlugins ?? [])],
...defaultEsbuild(buildConfig.format!, buildConfig.tsconfig, "./dist/commands"),
outdir: "./dist/commands",
dropLabels: [buildConfig.mode === 'production' ? '__DEV__' : '__PROD__', ...buildConfig.dropLabels!],
});
//may need to invest in magicast for this lol
if(commandsPaths.length === 0) {
throw Error("No modules found. Stopping building.")
}
const importedModulesTemplate = template
.replace("\"use modules\";", commandsImports.join("\n"))
.replace("\"use handle\";", `
${commandsPaths.map((imp, i) => {
if(i === 0) {
return `if(interaction.data.name === "${p.parse(imp).name}") {
const data = createContext(interaction)
const success = await applyPlugins(${p.parse(imp).name}, data);
if(success) {
await ${p.parse(imp).name}.execute(data);
}
}`
}
return `else if(interaction.data.name === "${p.parse(imp).name}" ) {
const data = createContext(interaction)
const success = await applyPlugins(${p.parse(imp).name}, data);
if(success) {
await ${p.parse(imp).name}.execute(data);
}
}`
}).join("\n")}`.trim());
await writeFile("./dist/out.js", importedModulesTemplate);
} else {
const entryPoints = await glob(`./src/**/*{${validExtensions.join(',')}}`, {
//for some reason, my ignore glob wasn't registering correctly'
ignore: {
ignored: (p) => p.name.endsWith('.d.ts'),
},
});
try {
const defVersion = () => JSON.stringify(packageJson().version);
const define = {
...(buildConfig.define ?? {}),
__DEV__: `${buildConfig.mode === 'development'}`,
__PROD__: `${buildConfig.mode === 'production'}`,
} satisfies Record<string, string>;
buildConfig.defineVersion && Object.assign(define, { __VERSION__: defVersion() });
await Preprocessor.writeTsConfig(buildConfig.format!, sernTsConfigPath, writeFile);
await Preprocessor.writeAmbientFile(ambientFilePath, define, writeFile);
//https://esbuild.github.io/content-types/#tsconfig-json
await esbuild.build({
entryPoints,
plugins: [imageLoader, ...(buildConfig.esbuildPlugins ?? [])],
...defaultEsbuild(buildConfig.format!, buildConfig.tsconfig),
define,
dropLabels: [buildConfig.mode === 'production' ? '__DEV__' : '__PROD__', ...buildConfig.dropLabels!],
});
} catch (e) {
console.error(e);
process.exit(1);
}
}
}