79 lines
1.8 KiB
JavaScript
79 lines
1.8 KiB
JavaScript
"use strict";
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require("readline").emitKeypressEvents(process.stdin);
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const chalk = require("chalk");
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const fs = require("fs");
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const { spawn } = require("child-process-promise");
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const stringWidth = require("string-width");
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const OK = chalk.bgGreen.black(" DONE ");
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const FAIL = chalk.bgRed.black(" FAIL ");
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function fitTerminal(input) {
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const columns = Math.min(process.stdout.columns, 80);
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const WIDTH = columns - stringWidth(OK) + 1;
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if (input.length < WIDTH) {
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input += Array(WIDTH - input.length).join(chalk.dim("."));
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}
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return input;
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}
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function logPromise(name, promise) {
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process.stdout.write(fitTerminal(name));
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return promise
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.then(result => {
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process.stdout.write(`${OK}\n`);
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return result;
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})
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.catch(err => {
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process.stdout.write(`${FAIL}\n`);
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throw err;
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});
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}
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function runYarn(script) {
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return spawn("yarn", ["--silent", script], {
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capture: ["stdout", "stderr"]
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}).catch(error => {
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throw Error(`\`yarn ${script}\` failed\n${error.stdout}`);
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});
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}
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function waitForEnter() {
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process.stdin.setRawMode(true);
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return new Promise((resolve, reject) => {
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process.stdin.on("keypress", listener);
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process.stdin.resume();
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function listener(ch, key) {
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if (key.name === "return") {
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process.stdin.setRawMode(false);
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process.stdin.removeListener("keypress", listener);
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process.stdin.pause();
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resolve();
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} else if (key.ctrl && key.name === "c") {
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reject(Error("Process terminated by the user"));
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}
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}
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});
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}
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function readJson(filename) {
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return JSON.parse(fs.readFileSync(filename, "utf-8"));
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}
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function writeJson(filename, content) {
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fs.writeFileSync(filename, JSON.stringify(content, null, 2) + "\n");
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}
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module.exports = {
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runYarn,
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logPromise,
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readJson,
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writeJson,
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waitForEnter
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};
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