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lazy-require

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lazy-require - npm Package Compare versions

Comparing version 3.5.0 to 4.0.0-next.1589158074.b755edf0a64ce40929138266193f5da46b920bfe

index.js

499

edition-browsers/index.js
/* eslint no-sync:0 */
'use strict'; // Import
'use strict' // Import
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
function _slicedToArray(arr, i) {
return (
_arrayWithHoles(arr) ||
_iterableToArrayLimit(arr, i) ||
_unsupportedIterableToArray(arr, i) ||
_nonIterableRest()
)
}
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
function _nonIterableRest() {
throw new TypeError(
'Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.'
)
}
function _iterableToArrayLimit(arr, i) { if (!(Symbol.iterator in Object(arr) || Object.prototype.toString.call(arr) === "[object Arguments]")) { return; } var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
function _unsupportedIterableToArray(o, minLen) {
if (!o) return
if (typeof o === 'string') return _arrayLikeToArray(o, minLen)
var n = Object.prototype.toString.call(o).slice(8, -1)
if (n === 'Object' && o.constructor) n = o.constructor.name
if (n === 'Map' || n === 'Set') return Array.from(o)
if (n === 'Arguments' || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n))
return _arrayLikeToArray(o, minLen)
}
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function _arrayLikeToArray(arr, len) {
if (len == null || len > arr.length) len = arr.length
for (var i = 0, arr2 = new Array(len); i < len; i++) {
arr2[i] = arr[i]
}
return arr2
}
var pathUtil = require('path');
function _iterableToArrayLimit(arr, i) {
if (typeof Symbol === 'undefined' || !(Symbol.iterator in Object(arr))) return
var _arr = []
var _n = true
var _d = false
var _e = undefined
try {
for (
var _i = arr[Symbol.iterator](), _s;
!(_n = (_s = _i.next()).done);
_n = true
) {
_arr.push(_s.value)
if (i && _arr.length === i) break
}
} catch (err) {
_d = true
_e = err
} finally {
try {
if (!_n && _i['return'] != null) _i['return']()
} finally {
if (_d) throw _e
}
}
return _arr
}
var fsUtil = require('fs');
function _arrayWithHoles(arr) {
if (Array.isArray(arr)) return arr
}
var safeps = require('safeps');
var pathUtil = require('path')
var extractOptsAndCallback = require('extract-opts');
var fsUtil = require('fs')
var Errlop = require('errlop'); // Prepare
var safeps = require('safeps')
var extractOptsAndCallback = require('extract-opts')
var Errlop = require('errlop') // Prepare
function complete(error, result, next) {
if (next) {
next(error, result);
return null;
} else {
return error || result;
}
if (next) {
next(error, result)
return null
} else {
return error || result
}
} // =====================================

@@ -35,296 +91,263 @@ // Define Module

function lazyRequire(name, opts, next) {
// Prepare
;
// Prepare
var _extractOptsAndCallba = extractOptsAndCallback(opts, next)
var _extractOptsAndCallba = extractOptsAndCallback(opts, next);
var _extractOptsAndCallba2 = _slicedToArray(_extractOptsAndCallba, 2)
var _extractOptsAndCallba2 = _slicedToArray(_extractOptsAndCallba, 2);
opts = _extractOptsAndCallba2[0];
next = _extractOptsAndCallba2[1];
// If we have a callback, then do async
return next ? lazyRequire.async(name, opts, next) : lazyRequire.sync(name, opts);
opts = _extractOptsAndCallba2[0]
next = _extractOptsAndCallba2[1]
// If we have a callback, then do async
return next
? lazyRequire.async(name, opts, next)
: lazyRequire.sync(name, opts)
} // Require or install a package synchronously or asynchronously
lazyRequire.auto = function auto(name, opts, next) {
// Prepare
;
// Prepare
var _extractOptsAndCallba3 = extractOptsAndCallback(opts, next)
var _extractOptsAndCallba3 = extractOptsAndCallback(opts, next);
var _extractOptsAndCallba4 = _slicedToArray(_extractOptsAndCallba3, 2)
var _extractOptsAndCallba4 = _slicedToArray(_extractOptsAndCallba3, 2);
opts = _extractOptsAndCallba4[0]
next = _extractOptsAndCallba4[1]
opts = _extractOptsAndCallba4[0];
next = _extractOptsAndCallba4[1];
// If we have no callback, or if we support sync, then do sync
if (!next || lazyRequire.canSyncInstall()) {
return lazyRequire.requireOrInstallSync(name, opts, next)
} else {
return lazyRequire.requireOrInstallAsync(name, opts, next)
}
} // Require or install a package synchronously
// If we have no callback, or if we support sync, then do sync
if (!next || lazyRequire.canSyncInstall()) {
return lazyRequire.requireOrInstallSync(name, opts, next);
} else {
return lazyRequire.requireOrInstallAsync(name, opts, next);
}
}; // Require or install a package synchronously
lazyRequire.sync = function sync(name, opts, next) {
// Prepare
;
// Prepare
var _extractOptsAndCallba5 = extractOptsAndCallback(opts, next)
var _extractOptsAndCallba5 = extractOptsAndCallback(opts, next);
var _extractOptsAndCallba6 = _slicedToArray(_extractOptsAndCallba5, 2)
var _extractOptsAndCallba6 = _slicedToArray(_extractOptsAndCallba5, 2);
opts = _extractOptsAndCallba6[0]
next = _extractOptsAndCallba6[1]
opts = _extractOptsAndCallba6[0];
next = _extractOptsAndCallba6[1];
var result = lazyRequire.require(name, opts)
var result = lazyRequire.require(name, opts);
var error = null // Synchronous
var error = null; // Synchronous
if (result instanceof Error) {
result = lazyRequire.installSync(name, opts)
if (result instanceof Error) {
result = lazyRequire.installSync(name, opts);
if (result instanceof Error) {
error = result
result = null
}
} // Complete
if (result instanceof Error) {
error = result;
result = null;
}
} // Complete
return complete(error, result, next)
} // Require or install a package asynchronously
return complete(error, result, next);
}; // Require or install a package asynchronously
lazyRequire.async = function async(name, opts, next) {
// Prepare
;
// Prepare
var _extractOptsAndCallba7 = extractOptsAndCallback(opts, next)
var _extractOptsAndCallba7 = extractOptsAndCallback(opts, next);
var _extractOptsAndCallba8 = _slicedToArray(_extractOptsAndCallba7, 2)
var _extractOptsAndCallba8 = _slicedToArray(_extractOptsAndCallba7, 2);
opts = _extractOptsAndCallba8[0]
next = _extractOptsAndCallba8[1]
opts = _extractOptsAndCallba8[0];
next = _extractOptsAndCallba8[1];
// Asynchronous
lazyRequire.require(name, opts, function (error, result) {
if (result) return next(error, result)
lazyRequire.installAsync(name, opts, next)
}) // Exit
// Asynchronous
lazyRequire.require(name, opts, function (error, result) {
if (result) return next(error, result);
lazyRequire.installAsync(name, opts, next);
}); // Exit
return null
} // Attempt to require a module
return null;
}; // Attempt to require a module
lazyRequire.require = function _require(name, opts, next) {
// Prepare
;
// Prepare
var _extractOptsAndCallba9 = extractOptsAndCallback(opts, next)
var _extractOptsAndCallba9 = extractOptsAndCallback(opts, next);
var _extractOptsAndCallba10 = _slicedToArray(_extractOptsAndCallba9, 2)
var _extractOptsAndCallba10 = _slicedToArray(_extractOptsAndCallba9, 2);
opts = _extractOptsAndCallba10[0]
next = _extractOptsAndCallba10[1]
var result = null
var error = null // Fetch
opts = _extractOptsAndCallba10[0];
next = _extractOptsAndCallba10[1];
var result = null;
var error = null; // Fetch
try {
result = require(name)
} catch (e1) {
error = e1
try {
result = require(name);
} catch (e1) {
error = e1;
if (opts.cwd) {
try {
var path = pathUtil.join(opts.cwd, 'node_modules', name)
result = require(path)
error = null
} catch (e2) {
error = new Errlop(e2, error)
if (opts.cwd) {
try {
var path = pathUtil.join(opts.cwd, 'node_modules', name);
result = require(path);
error = null;
} catch (e2) {
error = new Errlop(e2, error);
try {
var _path = pathUtil.join(opts.cwd, 'node_modules', name)
try {
var _path = pathUtil.join(opts.cwd, 'node_modules', name);
var pkg = pathUtil.join(_path, 'package.json')
var main = pathUtil.join(_path, require(pkg).main)
result = require(main)
error = null
} catch (e3) {
error = new Errlop(e3, error)
}
}
}
} // Complete
var pkg = pathUtil.join(_path, 'package.json');
var main = pathUtil.join(_path, require(pkg).main);
result = require(main);
error = null;
} catch (e3) {
error = new Errlop(e3, error);
}
}
}
} // Complete
return complete(error, result, next)
} // Can Save
return complete(error, result, next);
}; // Can Save
lazyRequire.canSave = function canSave(name, opts, next) {
// Prepare
;
// Prepare
var _extractOptsAndCallba11 = extractOptsAndCallback(opts, next)
var _extractOptsAndCallba11 = extractOptsAndCallback(opts, next);
var _extractOptsAndCallba12 = _slicedToArray(_extractOptsAndCallba11, 2)
var _extractOptsAndCallba12 = _slicedToArray(_extractOptsAndCallba11, 2);
opts = _extractOptsAndCallba12[0]
next = _extractOptsAndCallba12[1]
var result = null
var error = null // Options
opts = _extractOptsAndCallba12[0];
next = _extractOptsAndCallba12[1];
var result = null;
var error = null; // Options
if (opts.cwd == null) {
opts.cwd = process.cwd()
}
if (opts.cwd == null) {
opts.cwd = process.cwd();
}
opts.packagePath = pathUtil.join(opts.cwd, 'package.json') // Fetch
opts.packagePath = pathUtil.join(opts.cwd, 'package.json'); // Fetch
try {
result = fsUtil.existsSync(opts.packagePath) === true
} catch (err) {
error = err
} // Complete
try {
result = fsUtil.existsSync(opts.packagePath) === true;
} catch (err) {
error = err;
} // Complete
return complete(error, result, next)
} // Can install synchronously
return complete(error, result, next);
}; // Can install synchronously
lazyRequire.canSyncInstall = function canSyncInstall(opts, next) {
// Prepare
;
// Prepare
var _extractOptsAndCallba13 = extractOptsAndCallback(opts, next)
var _extractOptsAndCallba13 = extractOptsAndCallback(opts, next);
var _extractOptsAndCallba14 = _slicedToArray(_extractOptsAndCallba13, 2)
var _extractOptsAndCallba14 = _slicedToArray(_extractOptsAndCallba13, 2);
opts = _extractOptsAndCallba14[0]
next = _extractOptsAndCallba14[1]
var result = safeps.hasSpawnSync()
var error = null // Fetch
opts = _extractOptsAndCallba14[0];
next = _extractOptsAndCallba14[1];
var result = safeps.hasSpawnSync();
var error = null; // Fetch
if (result instanceof Error) {
error = result
result = null
} // Complete
if (result instanceof Error) {
error = result;
result = null;
} // Complete
return complete(error, result, next);
}; // Attempt to require a module (will install if missing)
return complete(error, result, next)
} // Attempt to require a module (will install if missing)
// Asynchronous with optional callback
lazyRequire.installAsync = function installAsync(name, opts, next) {
// Prepare
;
// Prepare
var _extractOptsAndCallba15 = extractOptsAndCallback(opts, next)
var _extractOptsAndCallba15 = extractOptsAndCallback(opts, next);
var _extractOptsAndCallba16 = _slicedToArray(_extractOptsAndCallba15, 2)
var _extractOptsAndCallba16 = _slicedToArray(_extractOptsAndCallba15, 2);
opts = _extractOptsAndCallba16[0]
next = _extractOptsAndCallba16[1]
var error = null // Defaults
opts = _extractOptsAndCallba16[0];
next = _extractOptsAndCallba16[1];
var error = null; // Defaults
if (opts.save == null) {
opts.save = false
}
if (opts.save == null) {
opts.save = false;
}
if (opts.cwd == null) {
opts.cwd = process.cwd()
} // Check that we are not in the browser
if (opts.cwd == null) {
opts.cwd = process.cwd();
} // Check that we are not in the browser
if (process.browser === true) {
error = new Error('lazy-require: installing in the browser is not possible')
} // Check saving
else if (opts.save === true && lazyRequire.canSave() === false) {
error = new Error(
'lazy-require: cannot save the module as `opts.cwd` did not contain a `package.json` file'
)
} // Install
else {
// Arguments
var args = ['npm', 'install', name]
if (opts.save === true) {
args.push('--save')
opts.save = null // {delete opts.save} is very slow
} // Install
if (process.browser === true) {
error = new Error('lazy-require: installing in the browser is not possible');
} // Check saving
else if (opts.save === true && lazyRequire.canSave() === false) {
error = new Error('lazy-require: cannot save the module as `opts.cwd` did not contain a `package.json` file');
} // Install
else {
// Arguments
var args = ['npm', 'install', name];
safeps.spawn(args, opts, function (err) {
// Check
if (err) return next(err) // Try to load the module
if (opts.save === true) {
args.push('--save');
opts.save = null; // {delete opts.save} is very slow
} // Install
lazyRequire.require(name, opts, next)
}) // Exit
return null
} // Complete
safeps.spawn(args, opts, function (err) {
// Check
if (err) return next(err); // Try to load the module
lazyRequire.require(name, opts, next);
}); // Exit
return null;
} // Complete
return complete(error, null, next);
}; // Attempt to require a module (will install if missing)
return complete(error, null, next)
} // Attempt to require a module (will install if missing)
// Synchronous with optional callback
lazyRequire.installSync = function installSync(name, opts, next) {
// Prepare
;
// Prepare
var _extractOptsAndCallba17 = extractOptsAndCallback(opts, next)
var _extractOptsAndCallba17 = extractOptsAndCallback(opts, next);
var _extractOptsAndCallba18 = _slicedToArray(_extractOptsAndCallba17, 2)
var _extractOptsAndCallba18 = _slicedToArray(_extractOptsAndCallba17, 2);
opts = _extractOptsAndCallba18[0]
next = _extractOptsAndCallba18[1]
var error = null // Defaults
opts = _extractOptsAndCallba18[0];
next = _extractOptsAndCallba18[1];
var error = null; // Defaults
if (opts.save == null) {
opts.save = false
}
if (opts.save == null) {
opts.save = false;
}
if (opts.cwd == null) {
opts.cwd = process.cwd()
} // Check that we are not in the browser
if (opts.cwd == null) {
opts.cwd = process.cwd();
} // Check that we are not in the browser
if (typeof process !== 'undefined' && process.browser === true) {
error = new Error('lazy-require: installing in the browser is not possible')
} // Check that spawnSync exists, check that the project's package.json exists
else if (lazyRequire.canSyncInstall() === false) {
error = new Error('lazy-require: installing synchronously is not possible')
} // Check saving
else if (opts.save === true && lazyRequire.canSave() === false) {
error = new Error(
'lazy-require: cannot save the module as `opts.cwd` did not contain a `package.json` file'
)
} // Install
else {
// Arguments
var args = ['npm', 'install', name]
if (opts.save === true) {
args.push('--save')
opts.save = null // {delete opts.save} is very slow
} // Install
if (typeof process !== 'undefined' && process.browser === true) {
error = new Error('lazy-require: installing in the browser is not possible');
} // Check that spawnSync exists, check that the project's package.json exists
else if (lazyRequire.canSyncInstall() === false) {
error = new Error('lazy-require: installing synchronously is not possible');
} // Check saving
else if (opts.save === true && lazyRequire.canSave() === false) {
error = new Error('lazy-require: cannot save the module as `opts.cwd` did not contain a `package.json` file');
} // Install
else {
// Arguments
var args = ['npm', 'install', name];
var spawnResult = safeps.spawnSync(args, opts)
if (opts.save === true) {
args.push('--save');
opts.save = null; // {delete opts.save} is very slow
} // Install
if (spawnResult instanceof Error) {
error = spawnResult
} else {
// Exit
return lazyRequire.require(name, opts, next)
}
} // Complete
return complete(error, null, next)
} // Export
var spawnResult = safeps.spawnSync(args, opts);
if (spawnResult instanceof Error) {
error = spawnResult;
} else {
// Exit
return lazyRequire.require(name, opts, next);
}
} // Complete
return complete(error, null, next);
}; // Export
module.exports = lazyRequire;
module.exports = lazyRequire

5

HISTORY.md
# History
## v4.0.0 2020 May 11
- Updated dependencies, [base files](https://github.com/bevry/base), and [editions](https://editions.bevry.me) using [boundation](https://github.com/bevry/boundation)
- Minimum required node version changed from `node: >=8` to `node: >=10` to keep up with mandatory ecosystem changes
## v3.5.0 2019 December 9

@@ -4,0 +9,0 @@

84

package.json
{
"title": "Lazy Require",
"name": "lazy-require",
"version": "3.5.0",
"version": "4.0.0-next.1589158074.b755edf0a64ce40929138266193f5da46b920bfe",
"description": "Lazy require allows you to require modules lazily, meaning that when you lazy require a module that is missing, lazy require will automatically install it for you.",

@@ -9,8 +9,11 @@ "homepage": "https://github.com/bevry/lazy-require",

"keywords": [
"require",
"browser",
"dependencies",
"deps",
"esnext",
"lazy",
"node",
"optDependencies",
"optionalDependencies",
"optDependencies",
"dependencies",
"deps"
"require"
],

@@ -45,3 +48,7 @@ "badges": {

"wishlistURL": "https://bevry.me/wishlist",
"travisTLD": "com"
"travisTLD": "com",
"githubUsername": "bevry",
"githubRepository": "lazy-require",
"githubSlug": "bevry/lazy-require",
"npmPackageName": "lazy-require"
}

@@ -52,8 +59,7 @@ },

"maintainers": [
"Benjamin Lupton <b@lupton.cc> (http://balupton.com)"
"Benjamin Lupton <b@lupton.cc> (https://github.com/balupton)"
],
"contributors": [
"Benjamin Lupton <b@lupton.cc> (http://balupton.com)",
"Rob Loach <robloach@gmail.com> (http://robloach.net)",
"dependabot-preview[bot] (http://github.com/apps/dependabot-preview)"
"Benjamin Lupton <b@lupton.cc> (https://github.com/balupton)",
"Rob Loach <robloach@gmail.com> (https://github.com/RobLoach)"
],

@@ -68,7 +74,7 @@ "bugs": {

"engines": {
"node": ">=8"
"node": ">=10"
},
"editions": [
{
"description": "esnext source code with require for modules",
"description": "ESNext source code for Node.js with Require for modules",
"directory": "source",

@@ -82,3 +88,3 @@ "entry": "index.js",

"engines": {
"node": "8 || 10 || 12",
"node": "10 || 12 || 13 || 14",
"browsers": false

@@ -88,3 +94,3 @@ }

{
"description": "esnext compiled for browsers with require for modules",
"description": "ESNext compiled for web browsers with Require for modules",
"directory": "edition-browsers",

@@ -103,25 +109,27 @@ "entry": "index.js",

"type": "commonjs",
"main": "source/index.js",
"main": "index.js",
"browser": "edition-browsers/index.js",
"dependencies": {
"errlop": "^1.7.0",
"editions": "^2.3.0",
"errlop": "^2.2.0",
"extract-opts": "^4.3.0",
"safeps": "^9.2.0"
"safeps": "^9.3.0"
},
"devDependencies": {
"@babel/cli": "^7.7.5",
"@babel/core": "^7.7.5",
"@babel/plugin-proposal-object-rest-spread": "^7.7.4",
"@babel/preset-env": "^7.7.6",
"assert-helpers": "^5.8.0",
"eslint": "^6.7.2",
"eslint-config-bevry": "^2.3.0",
"eslint-config-prettier": "^6.7.0",
"@babel/cli": "^7.8.4",
"@babel/core": "^7.9.6",
"@babel/plugin-proposal-object-rest-spread": "^7.9.6",
"@babel/preset-env": "^7.9.6",
"@bevry/update-contributors": "^1.1.0",
"assert-helpers": "^6.2.0",
"eslint": "^7.0.0",
"eslint-config-bevry": "^3.4.0",
"eslint-config-prettier": "^6.11.0",
"eslint-plugin-babel": "^5.3.0",
"eslint-plugin-prettier": "^3.1.1",
"eslint-plugin-prettier": "^3.1.3",
"kava": "^4.4.0",
"prettier": "^1.19.1",
"projectz": "^1.15.0",
"rimraf": "^3.0.0",
"valid-directory": "^1.5.0"
"prettier": "^2.0.5",
"projectz": "^2.0.0",
"rimraf": "^3.0.2",
"valid-directory": "^1.6.0"
},

@@ -133,4 +141,5 @@ "scripts": {

"our:deploy": "echo no need for this project",
"our:meta": "npm run our:meta:projectz",
"our:meta:projectz": "projectz compile",
"our:meta": "npm run our:meta:contributors && npm run our:meta:projectz",
"our:meta:contributors": "npx @bevry/update-contributors",
"our:meta:projectz": "npx projectz compile",
"our:release": "npm run our:release:prepare && npm run our:release:check-changelog && npm run our:release:check-dirty && npm run our:release:tag && npm run our:release:push",

@@ -147,5 +156,5 @@ "our:release:check-changelog": "cat ./HISTORY.md | grep v$npm_package_version || (echo add a changelog entry for v$npm_package_version && exit -1)",

"our:verify:directory": "npx valid-directory",
"our:verify:eslint": "eslint --fix --ignore-pattern '**/*.d.ts' --ignore-pattern '**/vendor/' --ignore-pattern '**/node_modules/' --ext .mjs,.js,.jsx,.ts,.tsx ./source",
"our:verify:prettier": "prettier --write ./source/**",
"test": "node ./source/test.js"
"our:verify:eslint": "npx eslint --fix --ignore-pattern '**/*.d.ts' --ignore-pattern '**/vendor/' --ignore-pattern '**/node_modules/' --ext .mjs,.js,.jsx,.ts,.tsx ./source",
"our:verify:prettier": "prettier --write .",
"test": "node ./test.js"
},

@@ -169,3 +178,6 @@ "eslintConfig": {

{
"targets": "defaults",
"targets": {
"esmodules": false,
"browsers": "defaults"
},
"modules": false

@@ -172,0 +184,0 @@ }

140

README.md

@@ -7,3 +7,2 @@ <!-- TITLE/ -->

<!-- BADGES/ -->

@@ -29,3 +28,2 @@

<!-- DESCRIPTION/ -->

@@ -37,35 +35,5 @@

<!-- INSTALL/ -->
<h2>Install</h2>
<a href="https://npmjs.com" title="npm is a package manager for javascript"><h3>npm</h3></a>
<ul>
<li>Install: <code>npm install --save lazy-require</code></li>
<li>Require: <code>require('lazy-require')</code></li>
</ul>
<a href="https://jspm.io" title="Native ES Modules CDN"><h3>jspm</h3></a>
``` html
<script type="module">
import * as pkg from '//dev.jspm.io/lazy-require'
</script>
```
<h3><a href="https://editions.bevry.me" title="Editions are the best way to produce and consume packages you care about.">Editions</a></h3>
<p>This package is published with the following editions:</p>
<ul><li><code>lazy-require</code> aliases <code>lazy-require/source/index.js</code></li>
<li><code>lazy-require/source/index.js</code> is esnext source code with require for modules</li>
<li><code>lazy-require/edition-browsers/index.js</code> is esnext compiled for browsers with require for modules</li></ul>
<!-- /INSTALL -->
## Usage
``` javascript
```javascript
// Import

@@ -77,8 +45,10 @@ var lazyRequire = require('lazy-require')

// Passing a callback as the 3rd argument will do this asynchronously, available in all node versions
var ambi = lazyRequire('ambi', {/* options */})
if ( ambi instanceof Error ) {
// Error ....
console.log('ambi failed to load because of:', ambi.stack)
var ambi = lazyRequire('ambi', {
/* options */
})
if (ambi instanceof Error) {
// Error ....
console.log('ambi failed to load because of:', ambi.stack)
} else {
// Success ...
// Success ...
}

@@ -88,26 +58,47 @@

// Do this synchronously but with a callback, only available in Node 0.12 and above
lazyRequire.sync('ambi', {/* options */}, function(err, ambi){
// Error ...
if (err) return console.log('ambi failed to load because of:', err.stack)
lazyRequire.sync(
'ambi',
{
/* options */
},
function (err, ambi) {
// Error ...
if (err)
return console.log('ambi failed to load because of:', err.stack)
// Success ...
})
// Success ...
}
)
// Attempt to load the module `ambi`, if it doesn't exist, then try to install it and load it again
// Do this asynchronously, available in all node versions
lazyRequire.async('ambi', {/* options */}, function(err, ambi){
// Error ...
if (err) return console.log('ambi failed to load because of:', err.stack)
lazyRequire.async(
'ambi',
{
/* options */
},
function (err, ambi) {
// Error ...
if (err)
return console.log('ambi failed to load because of:', err.stack)
// Success ...
})
// Success ...
}
)
// Attempt to load the module `ambi`, if it doesn't exist, then try to install it and load it again
// Do this synchronously if supported (Node 0.12 and above), otherwise do it asynchronously
lazyRequire.auto('ambi', {/* options */}, function(err, ambi){
// Error ...
if (err) return console.log('ambi failed to load because of:', err.stack)
lazyRequire.auto(
'ambi',
{
/* options */
},
function (err, ambi) {
// Error ...
if (err)
return console.log('ambi failed to load because of:', err.stack)
// Success ...
})
// Success ...
}
)
```

@@ -117,8 +108,37 @@

- `cwd` the module path that you would like the requested package to be installed to if it doesn't exist, always recommended
- `save` if the requested package doesn't exist, would you like to do a `npm --save` for it to add it to your `cwd`'s `package.json` dependencies?
- `cwd` the module path that you would like the requested package to be installed to if it doesn't exist, always recommended
- `save` if the requested package doesn't exist, would you like to do a `npm --save` for it to add it to your `cwd`'s `package.json` dependencies?
There's some other methods also available to you, for now, read the source to discover them.
<!-- INSTALL/ -->
<h2>Install</h2>
<a href="https://npmjs.com" title="npm is a package manager for javascript"><h3>npm</h3></a>
<ul>
<li>Install: <code>npm install --save lazy-require</code></li>
<li>Import: <code>import * as pkg from ('lazy-require')</code></li>
<li>Require: <code>const pkg = require('lazy-require')</code></li>
</ul>
<a href="https://jspm.io" title="Native ES Modules CDN"><h3>jspm</h3></a>
```html
<script type="module">
import * as pkg from '//dev.jspm.io/lazy-require@4.0.0'
</script>
```
<h3><a href="https://editions.bevry.me" title="Editions are the best way to produce and consume packages you care about.">Editions</a></h3>
<p>This package is published with the following editions:</p>
<ul><li><code>lazy-require</code> aliases <code>lazy-require/index.js</code> which uses the <a href="https://github.com/bevry/editions" title="You can use the Editions Autoloader to autoload the appropriate edition for your consumers environment">Editions Autoloader</a> to automatically select the correct edition for the consumer's environment</li>
<li><code>lazy-require/source/index.js</code> is <a href="https://en.wikipedia.org/wiki/ECMAScript#ES.Next" title="ECMAScript Next">ESNext</a> source code for <a href="https://nodejs.org" title="Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine">Node.js</a> with <a href="https://nodejs.org/dist/latest-v5.x/docs/api/modules.html" title="Node/CJS Modules">Require</a> for modules</li>
<li><code>lazy-require/edition-browsers/index.js</code> is <a href="https://en.wikipedia.org/wiki/ECMAScript#ES.Next" title="ECMAScript Next">ESNext</a> compiled for web browsers with <a href="https://nodejs.org/dist/latest-v5.x/docs/api/modules.html" title="Node/CJS Modules">Require</a> for modules</li></ul>
<!-- /INSTALL -->
<!-- HISTORY/ -->

@@ -132,3 +152,2 @@

<!-- CONTRIBUTE/ -->

@@ -142,3 +161,2 @@

<!-- BACKERS/ -->

@@ -152,3 +170,3 @@

<ul><li><a href="http://balupton.com">Benjamin Lupton</a> — <a href="https://github.com/bevry/lazy-require/commits?author=balupton" title="View the GitHub contributions of Benjamin Lupton on repository bevry/lazy-require">view contributions</a></li></ul>
<ul><li><a href="https://github.com/balupton">Benjamin Lupton</a> — <a href="https://github.com/bevry/lazy-require/commits?author=balupton" title="View the GitHub contributions of Benjamin Lupton on repository bevry/lazy-require">view contributions</a></li></ul>

@@ -173,5 +191,4 @@ <h3>Sponsors</h3>

<ul><li><a href="http://balupton.com">Benjamin Lupton</a> — <a href="https://github.com/bevry/lazy-require/commits?author=balupton" title="View the GitHub contributions of Benjamin Lupton on repository bevry/lazy-require">view contributions</a></li>
<li><a href="http://robloach.net">Rob Loach</a> — <a href="https://github.com/bevry/lazy-require/commits?author=RobLoach" title="View the GitHub contributions of Rob Loach on repository bevry/lazy-require">view contributions</a></li>
<li><a href="http://github.com/apps/dependabot-preview">dependabot-preview[bot]</a> — <a href="https://github.com/bevry/lazy-require/commits?author=dependabot-preview[bot]" title="View the GitHub contributions of dependabot-preview[bot] on repository bevry/lazy-require">view contributions</a></li></ul>
<ul><li><a href="https://github.com/balupton">Benjamin Lupton</a> — <a href="https://github.com/bevry/lazy-require/commits?author=balupton" title="View the GitHub contributions of Benjamin Lupton on repository bevry/lazy-require">view contributions</a></li>
<li><a href="https://github.com/RobLoach">Rob Loach</a> — <a href="https://github.com/bevry/lazy-require/commits?author=RobLoach" title="View the GitHub contributions of Rob Loach on repository bevry/lazy-require">view contributions</a></li></ul>

@@ -182,3 +199,2 @@ <a href="https://github.com/bevry/lazy-require/blob/master/CONTRIBUTING.md#files">Discover how you can contribute by heading on over to the <code>CONTRIBUTING.md</code> file.</a>

<!-- LICENSE/ -->

@@ -185,0 +201,0 @@

4

source/index.js

@@ -75,3 +75,3 @@ /* eslint no-sync:0 */

// Asynchronous
lazyRequire.require(name, opts, function(error, result) {
lazyRequire.require(name, opts, function (error, result) {
if (result) return next(error, result)

@@ -199,3 +199,3 @@ lazyRequire.installAsync(name, opts, next)

// Install
safeps.spawn(args, opts, function(err) {
safeps.spawn(args, opts, function (err) {
// Check

@@ -202,0 +202,0 @@ if (err) return next(err)

.github/FUNDING.yml
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