eslint-plugin-jest/lib/rules/prefer-inline-snapshots.js

Eslint rules for Jest

'use strict';

const _require = require('./util'),
      getDocsUrl = _require.getDocsUrl;

module.exports = {
  meta: {
    docs: {
      url: getDocsUrl(__filename)
    },
    messages: {
      toMatch: 'Use toMatchInlineSnapshot() instead',
      toMatchError: 'Use toThrowErrorMatchingInlineSnapshot() instead'
    },
    fixable: 'code'
  },

  create(context) {
    return {
      CallExpression(node) {
        const propertyName = node.callee.property && node.callee.property.name;

        if (propertyName === 'toMatchSnapshot') {
          context.report({
            fix(fixer) {
              return [fixer.replaceText(node.callee.property, 'toMatchInlineSnapshot')];
            },

            messageId: 'toMatch',
            node: node.callee.property
          });
        } else if (propertyName === 'toThrowErrorMatchingSnapshot') {
          context.report({
            fix(fixer) {
              return [fixer.replaceText(node.callee.property, 'toThrowErrorMatchingInlineSnapshot')];
            },

            messageId: 'toMatchError',
            node: node.callee.property
          });
        }
      }

    };
  }

};