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cli.js
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cli.js
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"use strict";
const ora = require("ora");
const path = require("path");
const chalk = require("chalk");
const { Select, Input } = require("enquirer");
const details = require("../package.json");
const { getExamples, createProject } = require(".");
exports.parse = function parse(argv) {
var options = require("argly")
.createParser({
"--help -h": {
type: "string",
description: "Show this help message"
},
"--dir -d": {
type: "string",
description: "Directory to create the marko app in",
defaultValue: process.cwd()
},
"--name -n *": {
type: "string",
description: "Name of the new app"
},
"--template -t": {
type: "string",
description:
"An example from marko-js/examples or a git repo to use as the project template"
},
"--version -v": {
type: "boolean",
descrption: `print ${details.name} version`
}
})
.usage(
`${chalk.bold.underline("Usage:")} $0 ${chalk.green(
"<app-name>"
)} ${chalk.dim("[options]")}`
)
.example("Create a marko app in the current directory", "$0 my-new-app")
.example(
"…in a specific directory",
`$0 my-new-app ${chalk.green.bold("--dir ~/Desktop")}`
)
.example(
"…from the min template (marko-js/examples:examples/min)",
`$0 my-new-app ${chalk.green.bold("--template min")}`
)
.example(
"…from a github repo",
`$0 my-new-app ${chalk.green.bold("--template user/repo")}`
)
.example(
"…from a github repo at a specific branch/tag/commit",
`$0 my-new-app ${chalk.green.bold("--template user/repo#commit")}`
)
.validate(function(result) {
if (result.version) {
console.log(`v${details.version}`);
process.exit(0);
}
if (result.help) {
this.printUsage();
process.exit(0);
}
})
.onError(function(err) {
this.printUsage();
console.error(err);
process.exit(1);
})
.parse(argv);
return options;
};
exports.run = async function run(options = {}) {
const spinner = ora("Starting...").start();
try {
if (!options.name || !options.template) {
spinner.stop();
const examples = !options.template && getExamples();
const trimHints = choices =>
choices.map(choice => {
const size = 4 + choice.name.length + 1 + choice.hint.length;
if (size > process.stdout.columns) {
return {
...choice,
hint:
choice.hint.slice(0, -1 + process.stdout.columns - size) + "…"
};
}
return choice;
});
if (!options.name) {
const nameInput = new Input({
name: "name",
message: "Type your project name",
initial: "my-app"
});
options.name = await nameInput.run();
}
if (!options.template) {
const templateSelect = new Select({
name: "template",
message: "Choose a template",
hint: "Use ↑ and ↓. Return ⏎ to submit.",
choices: [
{
name: "Default starter app"
},
{
name: "Example from marko-js/examples"
}
]
});
if ("Default starter app" !== (await templateSelect.run())) {
const choices = await examples;
const exampleSelect = new Select({
name: "template",
message: "Choose an example",
choices: trimHints(choices)
});
const resizeListener = async () => {
const trimmed = trimHints(choices);
exampleSelect.choices.forEach((choice, i) => {
choice.hint = trimmed[i].hint;
});
exampleSelect.render();
};
process.stdout.on("resize", resizeListener);
options.template = await exampleSelect.run();
process.stdout.off("resize", resizeListener);
}
}
spinner.start();
}
const result = createProject(options);
result.on("download", () =>
setLoadingMessage(spinner, "Downloading app...")
);
result.on("install", () =>
setLoadingMessage(spinner, "Installing npm modules...")
);
result.on("init", () => setLoadingMessage(spinner, "Initializing repo..."));
const { projectPath, scripts: { start, dev } = {} } = await result;
spinner.succeed(
"Project created! To get started, run:\n\n" +
chalk.cyan(` cd ${path.relative(process.cwd(), projectPath)}\n`) +
(dev
? chalk.cyan(" npm run dev\n")
: start
? chalk.cyan(" npm start\n")
: "")
);
} catch (err) {
spinner.fail(err.message + "\n");
console.error(err);
} finally {
clearTimeout(spinner.timeout);
}
};
function setLoadingMessage(spinner, message) {
clearTimeout(spinner.timeout);
spinner.text = message;
spinner.timeout = setTimeout(() => {
spinner.text = `${message} (this may take a minute)`;
}, 3000);
}