promise-sequence.js

const actions = [
	() => Promise.resolve(0),
	() => Promise.resolve(1),
	() => Promise.resolve(2),
	() => Promise.resolve(3),
	() => Promise.reject(new Error('4')),
	() => Promise.resolve(5),
	() => Promise.reject(new Error('6')),
	() => Promise.reject(new Error('7'))
]


const process = (tasks) =>
	tasks.reduce(
		(promised, task) =>
			promised.then(acc =>
			task().then(value =>
				[...acc, value]
			)),
		Promise.resolve([])
	)

process(actions)
	.then(() => console.log('做完了！'))
	.catch((err) => console.error(err.message, '炸掉啦'))