react-magnetic-di/lib/cjs/eslint/rules/order.js

Context driven dependency injection

"use strict";

var _require = require('../utils'),
  getDiIdentifier = _require.getDiIdentifier,
  isDiStatement = _require.isDiStatement;
module.exports = {
  meta: {
    type: 'problem',
    docs: {
      description: 'Enforce di() call expression at the top of the block',
      category: 'Possible Errors',
      recommended: true
    },
    // fixable: 'code',
    schema: [],
    messages: {
      wrongOrder: 'di() calls should be defined at the top of their scope ' + 'to avoid partial replacements and variables clashing'
    }
  },
  create: function create(context) {
    var diIdentifier = null;
    return {
      ImportDeclaration: function ImportDeclaration(node) {
        if (!diIdentifier) diIdentifier = getDiIdentifier(node);
      },
      BlockStatement: function BlockStatement(node) {
        if (!diIdentifier) return;
        (node.body || []).forEach(function (statement, i) {
          if (!isDiStatement(statement, diIdentifier) || i === 0) return;

          // collect all nodes before the current one that are not directives
          var prevNodes = node.body.filter(function (s, index) {
            return index < i && !s.directive;
          });
          if (prevNodes.length && !isDiStatement(prevNodes[0], diIdentifier)) {
            context.report({
              node: statement,
              messageId: 'wrongOrder'
            });
          }
        });
      }
    };
  }
};