Created
December 30, 2015 10:44
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| 'use strict'; | |
| const util = require('util'); | |
| const execSync = require('child_process').execSync; | |
| const ignoreModules = [ | |
| 'react-heatpack-script-alias', | |
| 'babel-runtime' | |
| ]; | |
| const isModule = (module) => { | |
| const isModule = !!module[0].match(/\w/); | |
| return isModule && ignoreModules.indexOf(module) === -1; | |
| }; | |
| const anyMissing = (problems) => { | |
| return problems.some((p) => p.match(/missing/)); | |
| }; | |
| const getInstalledModules = () => { | |
| try { | |
| let result = execSync('npm ls --depth=0 --json').toString(); | |
| let installedModules = JSON.parse(result).dependencies || {}; | |
| return installedModules; | |
| } catch (e1) { | |
| try { | |
| let result = JSON.parse(e1.stdout.toString()); | |
| if (anyMissing(result.problems || [])) { | |
| console.log('Some deps in package.json are missing, installing'); | |
| execSync('npm install'); | |
| return getInstalledModules(); | |
| } else { | |
| return result.dependencies; | |
| } | |
| } catch (e2) { | |
| throw new Error('Error trying to determine installed modules: ' + e1.message); | |
| } | |
| } | |
| }; | |
| module.exports = function(options) { | |
| let installedModules = getInstalledModules(); | |
| const isInstalled = (module) => { | |
| return !!installedModules[module]; | |
| } | |
| const install = (module) => { | |
| console.log(`Found missing npm module: ${module}, installing`); | |
| console.log(execSync(`npm install ${module} --save`).toString()); | |
| installedModules[module] = { byUs: true }; | |
| }; | |
| return { | |
| visitor: { | |
| ImportDeclaration(path, state) { | |
| let filename = state.file.opts.filename; | |
| let module = path.node.source.value.split('/')[0]; | |
| if (isModule(module) && !isInstalled(module)) { | |
| install(module); | |
| } | |
| } | |
| } | |
| } | |
| } |
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