isaacs

tree reification

For the tree:

a
+-- b
|   +-- c
|   +-- d
|   |   +-- e

isaacs

const bundled = require('npm-bundled')
const {resolve, basename, dirname} = require('path')
const {promisify} = require('util')
const readdirScoped = promisify(require('readdir-scoped-modules'))
const fs = require('fs')
const stat = promisify(fs.stat)
const readdir_ = promisify(fs.readdir)
const readdir = async path =>
  (await readdir_(path)).filter(p => p !== 'node_modules')

isaacs

const fs = require('fs')
let path = 'foo'
try { fs.mkdirSync(path) } catch (e) {}

const stream = fs.createWriteStream(path + '/bar')
const write = (i = 10) => {
        console.error('WRITE', i)
        if (i === 0)
                return stream.end()
        stream.write('hello ' + i + '\n')

isaacs

const tar = require('tar')

const before = [
  Buffer.from(
    '1f8b0800000000000003edcfc10e82300c0660ce3ec5d2b38e4eb71d789b' +
    '010d41e358187890f0ee56493c71319218937d977feb9aa50daebab886f2' +
    'b0a43cc7ce671b4344abb558ab3f2934223b198b4a598bdcc707a38f9c5b' +
    '0fb2668c83eb79946fff597611effc131378772528c0c11e6ed4c7b6f37c' +
    '53122572a5a640be265fb514a198a0e43729f3f2f06a9043738779defd7a' +
    '89244992e4630fd69e456800080000', 'hex'),

isaacs

const Arborist = require('./')
const a = new Arborist({path: '.'})
a.loadActual().then(tree => {
  for (const license of tree.inventory.query('license')) {
    console.log(license)
  }
  for (const node of tree.inventory.query('license', 'MIT')) {
    console.log(`${node.name} ${node.location} ${node.package.description}`)
  }
})

isaacs

const versions = [
  '0.0.1-beta.0',
  '0.0.1-beta.1',
  '0.0.1-beta.2',
  '0.0.1-beta.4',
  '0.0.1-beta.5',
  '0.0.1-beta.6',
  '0.0.1-beta.7',
  '0.0.1-beta.8',
  '0.0.1-beta.10',

isaacs

{
  "name": "@isaacs/testing-peer-deps",
  "version": "2.0.0",
  "lockfileVersion": 2,
  "requires": true,
  "packages": {
    "": {
      "name": "@isaacs/testing-peer-deps",
      "version": "2.0.0",
      "dependencies": {

isaacs

{
  "name": "@isaacs/testing-peer-deps",
  "version": "2.0.0",
  "lockfileVersion": 2,
  "requires": true,
  "packages": {
    "": {
      "name": "@isaacs/testing-peer-deps",
      "version": "2.0.0",
      "dependencies": {

isaacs

$ node ideal.js
BUILD IDEAL DEPS STEP /Users/isaacs/dev/npm/arborist/test/fixtures/package-no-lock
PLACE DEP /Users/isaacs/dev/npm/arborist/test/fixtures/package-no-lock prod abbrev *
CHECK /Users/isaacs/dev/npm/arborist/test/fixtures/package-no-lock
PLACE DEP /Users/isaacs/dev/npm/arborist/test/fixtures/package-no-lock prod once 1
CHECK /Users/isaacs/dev/npm/arborist/test/fixtures/package-no-lock
BUILD IDEAL DEPS STEP /Users/isaacs/dev/npm/arborist/test/fixtures/package-no-lock/node_modules/abbrev
BUILD IDEAL DEPS STEP /Users/isaacs/dev/npm/arborist/test/fixtures/package-no-lock/node_modules/once
PLACE DEP /Users/isaacs/dev/npm/arborist/test/fixtures/package-no-lock/node_modules/once prod wrappy 1
CHECK /Users/isaacs/dev/npm/arborist/test/fixtures/package-no-lock/node_modules/once

isaacs

#!/bin/bash

a () {
  sleep 1
  echo a
}
b () {
  sleep 1
  echo b
}