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node_modules/eslint-import-resolver-node/index.js 1.07 KB
ce4c83ff   wxy   初始提交
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  var resolve = require('resolve')
    , path = require('path')
  
  var log = require('debug')('eslint-plugin-import:resolver:node')
  
  exports.interfaceVersion = 2
  
  exports.resolve = function (source, file, config) {
    log('Resolving:', source, 'from:', file)
    var resolvedPath
  
    if (resolve.isCore(source)) {
      log('resolved to core')
      return { found: true, path: null }
    }
  
    try {
      resolvedPath = resolve.sync(source, opts(file, config))
      log('Resolved to:', resolvedPath)
      return { found: true, path: resolvedPath }
    } catch (err) {
      log('resolve threw error:', err)
      return { found: false }
    }
  }
  
  function opts(file, config) {
    return Object.assign({
        // more closely matches Node (#333)
        // plus 'mjs' for native modules! (#939)
        extensions: ['.mjs', '.js', '.json'],
      },
      config,
      {
        // path.resolve will handle paths relative to CWD
        basedir: path.dirname(path.resolve(file)),
        packageFilter: packageFilter,
  
      })
  }
  
  function packageFilter(pkg) {
    if (pkg['jsnext:main']) {
      pkg['main'] = pkg['jsnext:main']
    }
    return pkg
  }