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consolidate CLI logic and depend on it in gatsby
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,2 @@ | ||
| /*.js | ||
| /lib | ||
| yarn.lock |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| const path = require(`path`) | ||
| const resolveCwd = require(`resolve-cwd`) | ||
| const yargs = require(`yargs`) | ||
| const report = require(`./reporter`) | ||
|
|
||
| const DEFAULT_BROWSERS = [ | ||
| `> 1%`, | ||
| `last 2 versions`, | ||
| `IE >= 9`, | ||
| ] | ||
|
|
||
| function buildLocalCommands(cli, isLocalSite) { | ||
| const defaultHost = `localhost` | ||
| const directory = path.resolve(`.`) | ||
|
|
||
| function getSiteInfo() { | ||
| if (!isLocalSite) return {} | ||
|
|
||
| const sitePackageJson = require(path.join(directory, `package.json`)) | ||
| const browserslist = sitePackageJson.browserslist || DEFAULT_BROWSERS | ||
| return { sitePackageJson, browserslist } | ||
| } | ||
|
|
||
| function resolveLocalCommand(command) { | ||
| if (!isLocalSite) { | ||
| cli.showHelp() | ||
| report.verbose(`current directory: ${directory}`) | ||
| return report.panic( | ||
| `gatsby <${command}> can only be run for a gatsby site. \n` + | ||
| `Either the current working directory does not contain a package.json or ` + | ||
| `'gatsby' is not specified as a dependency` | ||
| ) | ||
| } | ||
| try { | ||
| return require(resolveCwd(`gatsby/dist/commands/${command}`)) | ||
| } catch (err) { | ||
| cli.showHelp() | ||
| return report.panic( | ||
| `There was a problem loading the local ${command} command. Gatsby may not be installed.`, | ||
| err | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| cli.command({ | ||
| command: `develop`, | ||
| desc: | ||
| `Start development server. Watches files, rebuilds, and hot reloads ` + | ||
| `if something changes`, | ||
| builder: _ => _ | ||
| .option(`H`, { | ||
| alias: `host`, | ||
| type: `string`, | ||
| describe: `Set host. Defaults to ${defaultHost}`, | ||
| }) | ||
| .option(`p`, { | ||
| alias: `port`, | ||
| type: `string`, | ||
| default: `8000`, | ||
| describe: `Set port. Defaults to 8000`, | ||
| }) | ||
| .option(`o`, { | ||
| alias: `open`, | ||
| type: `boolean`, | ||
| describe: `Open the site in your browser for you.`, | ||
| }), | ||
| handler: argv => { | ||
| const { sitePackageJson, browserslist } = getSiteInfo() | ||
|
|
||
| resolveLocalCommand(`develop`)({ | ||
| ...argv, | ||
| directory, | ||
| sitePackageJson, | ||
| browserslist, | ||
| }) | ||
| }, | ||
| }) | ||
|
|
||
| cli | ||
| .command({ | ||
| command: `build`, | ||
| desc: `Build a Gatsby project.`, | ||
| builder: _ => _ | ||
| .option(`prefix-paths`, { | ||
| type: `string`, | ||
| describe: `Build site with link paths prefixed (set prefix in your config).`, | ||
| }), | ||
| handler: argv => { | ||
| process.env.NODE_ENV = `production` | ||
| const { sitePackageJson, browserslist } = getSiteInfo() | ||
|
|
||
| resolveLocalCommand(`build`)({ | ||
| ...argv, | ||
| directory, | ||
| sitePackageJson, | ||
| browserslist, | ||
| }) | ||
| }, | ||
| }) | ||
|
|
||
| cli | ||
| .command({ | ||
| command: `serve`, | ||
| desc: `Serve previously built Gatsby site.`, | ||
| builder: _ => _ | ||
| .option(`H`, { | ||
| alias: `host`, | ||
| type: `string`, | ||
| describe: `Set host. Defaults to ${defaultHost}`, | ||
| }) | ||
| .option(`p`, { | ||
| alias: `port`, | ||
| type: `string`, | ||
| default: `8000`, | ||
| describe: `Set port. Defaults to 8000`, | ||
| }) | ||
| .option(`o`, { | ||
| alias: `open`, | ||
| type: `boolean`, | ||
| default: `8000`, | ||
| describe: `Open the site in your browser for you.`, | ||
| }), | ||
|
|
||
| handler: argv => { | ||
| const { sitePackageJson, browserslist } = getSiteInfo() | ||
|
|
||
| resolveLocalCommand(`serve`)({ | ||
| ...argv, | ||
| directory, | ||
| sitePackageJson, | ||
| browserslist, | ||
| }) | ||
| }, | ||
| }) | ||
| } | ||
|
|
||
| function isLocalGatsbySite() { | ||
| let inGatsbySite = false | ||
| try { | ||
| let { dependencies, devDependencies } = require(path.resolve(`./package.json`)) | ||
| inGatsbySite = ( | ||
| (dependencies && dependencies.gatsby) || | ||
| (devDependencies && devDependencies.gatsby) | ||
| ) | ||
| } catch (err) { /* ignore */ } | ||
| return inGatsbySite | ||
| } | ||
|
|
||
| module.exports = (argv, handlers) => { | ||
| let cli = yargs() | ||
| let isLocalSite = isLocalGatsbySite() | ||
|
|
||
| cli | ||
| .usage(`Usage: $0 <command> [options]`) | ||
| .help(`h`).alias(`h`, `help`) | ||
| .version().alias(`v`, `version`) | ||
|
|
||
| buildLocalCommands(cli, isLocalSite) | ||
|
|
||
| return cli | ||
| .command({ | ||
| command: `new [rootPath] [starter]`, | ||
| desc: `Create new Gatsby project.`, | ||
| handler: ({ rootPath, starter = `gatsbyjs/gatsby-starter-default` }) => { | ||
| require(`./init-starter`)(starter, { rootPath }) | ||
| }, | ||
| }) | ||
| .wrap(cli.terminalWidth()) | ||
| .demandCommand(1, `Pass --help to see all available commands and options.`) | ||
| .showHelpOnFail(true, `A command is required.`) | ||
| .parse(argv.slice(2)) | ||
| } |
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