How to use the jest-resolve/build/defaultResolver.default function in jest-resolve
To help you get started, we’ve selected a few jest-resolve examples, based on popular ways it is used in public projects.
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salesforce / lwc-test / packages / @lwc / jest-resolver / src / index.js View on Github 
const { resolve, extname, join, dirname, basename } = require('path');
const lwcResolver = require('@lwc/module-resolver');
/*
* In Jest version 24 the default resolver was renamed to camelCase. Temporarily
* support both file names until consumers upgrade their Jest version.
*
* Jest master branch has the default resolver passed as a param to custom
* resolvers like this. Once that is released we can remove this entire block.
* https://github.com/facebook/jest/commit/3f4661f141562aeca65cdad3802e930835dcf0d9
*/
let resolver;
try {
resolver = require('jest-resolve/build/default_resolver').default;
} catch (e) {
resolver = require('jest-resolve/build/defaultResolver').default;
}
const EMPTY_CSS_MOCK = resolve(__dirname, '..', 'resources', 'emptyStyleMock.js');
const EMPTY_HTML_MOCK = resolve(__dirname, '..', 'resources', 'emptyHtmlMock.js');
const WHITELISTED_LWC_PACKAGES = {
lwc: '@lwc/engine',
'wire-service': '@lwc/wire-service',
'wire-service-jest-util': 'lwc-wire-service-jest-util',
};
const lwcMap = lwcResolver.resolveModules();
// This logic is somewhat the same in the compiler resolution system
// We should try to consolidate it at some point.
function isImplicitHTMLImport(importee, { basedir }) {
const ext = extname(importee);const { resolve, extname, join, dirname, basename } = require('path');
const lwcNpmResolver = require('@lwc/module-resolver');
/*
* In Jest version 24 the default resolver was renamed to camelCase. Temporarily
* support both file names until consumers upgrade their Jest version.
*
* Jest master branch has the default resolver passed as a param to custom
* resolvers like this. Once that is released we can remove this entire block.
* https://github.com/facebook/jest/commit/3f4661f141562aeca65cdad3802e930835dcf0d9
*/
let resolver;
try {
resolver = require('jest-resolve/build/default_resolver').default;
} catch (e) {
resolver = require('jest-resolve/build/defaultResolver').default;
}
const EMPTY_CSS_MOCK = resolve(__dirname, '..', 'resources', 'emptyStyleMock.js');
const EMPTY_HTML_MOCK = resolve(__dirname, '..', 'resources', 'emptyHtmlMock.js');
const WHITELISTED_LWC_PACKAGES = {
lwc: '@lwc/engine',
'wire-service': '@lwc/wire-service',
'wire-service-jest-util': 'lwc-wire-service-jest-util',
};
const lwcMap = lwcNpmResolver.resolveLwcNpmModules();
// This logic is somewhat the same in the compiler resolution system
// We should try to consolidate it at some point.
function isImplicitHTMLImport(importee, { basedir }) {
const ext = extname(importee);
