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esm - npm Package Compare versions

Comparing version 3.0.70 to 3.0.71

3

package.json
{
"name": "esm",
"version": "3.0.70",
"version": "3.0.71",
"description": "Tomorrow's ECMAScript modules today!",

@@ -10,2 +10,3 @@ "keywords": "commonjs, ecmascript, export, import, modules, node, require",

"main": "esm.js",
"runkitExample": "require = require(\"esm\")(module)\nrequire(\"lodash-es\")",
"engines": {

@@ -12,0 +13,0 @@ "node": ">=6"

@@ -62,3 +62,3 @@ # esm

* [`import`](https://ponyfoo.com/articles/es6-modules-in-depth#import) / [`export`](https://ponyfoo.com/articles/es6-modules-in-depth#export)
* [`import`](https://ponyfoo.com/articles/es6-modules-in-depth#import)/[`export`](https://ponyfoo.com/articles/es6-modules-in-depth#export)
* [`import.meta`](https://github.com/tc39/proposal-import-meta)

@@ -83,3 +83,3 @@ * [Dynamic `import`](https://github.com/tc39/proposal-dynamic-import)

<table><tr><td colspan=2><code>{</code><tr><td valign=top><code>"await":</code><td><p>A boolean for top-level <a href=https://node.green/#ES2017-features-async-functions-await><code>await</code></a> in modules <a href=https://github.com/mylesborins/proposal-top-level-await/#optional-constraint-top-level-await-can-only-be-used-in-modules-without-exports>without ESM exports</a>.<tr><td valign=top><code>"cjs":</code><td><p>A boolean or object for toggling CJS features in ESM.<details><summary>Features</summary><table><tr><td colspan=2><code>{</code><tr><td valign=top><code>"cache":</code><td><p>A boolean for storing ES modules in <code>require.cache</code>.<tr><td valign=top><code>"extensions":</code><td><p>A boolean for respecting <code>require.extensions</code> in ESM.<tr><td valign=top><code>"interop":</code><td><p>A boolean for <code>__esModule</code> interoperability.<tr><td valign=top><code>"mutableNamespace":</code><td><p>A boolean for mutable <a href=https://ponyfoo.com/articles/es6-modules-in-depth#import-all-the-things>namespace objects</a>.<tr><td valign=top><code>"namedExports":</code><td><p>A boolean for <a href=https://ponyfoo.com/articles/es6-modules-in-depth#importing-named-exports>importing named exports</a> of CJS modules.<tr><td valign=top><code>"paths":</code><td><p>A boolean for following CJS <a href=https://github.com/nodejs/node-eps/blob/master/002-es-modules.md#432-removal-of-non-local-dependencies>path rules</a> in ESM.<tr><td valign=top><code>"vars":</code><td><p>A boolean for <code>__dirname</code>, <code>__filename</code>, and <code>require</code> in ESM.<tr><td colspan=2><code>}</code></table></details><tr><td valign=top><code>"mainFields":</code><td><p>An array of fields, e.g. <code>["main"]</code>, to check when importing a package.<tr><td valign=top><code>"mode":</code><td><p>A string mode:<ul><li><code>"auto"</code> detect files with <code>import</code>, <code>import.meta</code>, <code>export</code>,<br><a href=https://github.com/tc39/proposal-modules-pragma><code>"use module"</code></a>, or <code>.mjs</code> as ESM<li><code>"all"</code> script files are treated as ESM<li><code>"strict"</code> to treat <strong>only</strong> <code>.mjs</code> files as ESM</ul><tr><td colspan=2><code>}</code></table>
<table><tr><td colspan=2><code>{</code><tr><td valign=top><code>"await":</code><td><p>A boolean for top-level <a href=https://node.green/#ES2017-features-async-functions-await><code>await</code></a> in modules <a href=https://github.com/mylesborins/proposal-top-level-await/#optional-constraint-top-level-await-can-only-be-used-in-modules-without-exports>without ESM exports</a>.<tr><td valign=top><code>"cjs":</code><td><p>A boolean or object for toggling CJS features in ESM.<details><summary>Features</summary><table><tr><td colspan=2><code>{</code><tr><td valign=top><code>"cache":</code><td><p>A boolean for storing ES modules in <code>require.cache</code>.<tr><td valign=top><code>"extensions":</code><td><p>A boolean for respecting <code>require.extensions</code> in ESM.<tr><td valign=top><code>"interop":</code><td><p>A boolean for <code>__esModule</code> interoperability.<tr><td valign=top><code>"mutableNamespace":</code><td><p>A boolean for mutable <a href=https://ponyfoo.com/articles/es6-modules-in-depth#import-all-the-things>namespace objects</a>.<tr><td valign=top><code>"namedExports":</code><td><p>A boolean for <a href=https://ponyfoo.com/articles/es6-modules-in-depth#importing-named-exports>importing named exports</a> of CJS modules.<tr><td valign=top><code>"paths":</code><td><p>A boolean for following CJS <a href=https://github.com/nodejs/node-eps/blob/master/002-es-modules.md#432-removal-of-non-local-dependencies>path rules</a> in ESM.<tr><td valign=top><code>"vars":</code><td><p>A boolean for <code>__dirname</code>, <code>__filename</code>, and <code>require</code> in ESM.<tr><td colspan=2><code>}</code></table></details><tr><td valign=top><code>"force":</code><td><p>A boolean to apply these options to all module loads.<tr><td valign=top><code>"mainFields":</code><td><p>An array of fields, e.g. <code>["main"]</code>, checked when importing a package.<tr><td valign=top><code>"mode":</code><td><p>A string mode:<ul><li><code>"auto"</code> detect files with <code>import</code>, <code>import.meta</code>, <code>export</code>,<br><a href=https://github.com/tc39/proposal-modules-pragma><code>"use module"</code></a>, or <code>.mjs</code> as ESM<li><code>"all"</code> script files are treated as ESM<li><code>"strict"</code> to treat <strong>only</strong> <code>.mjs</code> files as ESM</ul><tr><td colspan=2><code>}</code></table>

@@ -89,3 +89,3 @@ DevOpts

<table><tr><td colspan=2><code>{</code><tr><td valign=top><code>"cache":</code><td><p>A boolean for toggling cache creation or string path of the cache directory.<tr><td valign=top><code>"debug":</code><td><p>A boolean for unmasking methods and stack traces.<tr><td valign=top><code>"sourceMap":</code><td><p>A boolean for including inline source maps.<tr><td colspan=2><code>}</code></table>
<table><tr><td colspan=2><code>{</code><tr><td valign=top><code>"cache":</code><td><p>A boolean for toggling cache creation or cache directory path.<tr><td valign=top><code>"debug":</code><td><p>A boolean for unmasking methods and stack traces.<tr><td valign=top><code>"sourceMap":</code><td><p>A boolean for including inline source maps.<tr><td colspan=2><code>}</code></table>

@@ -97,7 +97,7 @@ Tips

* Add a “module” field to the `package.json` containing the relative path to the main ES module.
* Add a “module” field to `package.json` with the path to the main ES module.
:bulb: This is done automagically with `npm init esm` or `yarn create esm`.<br>
:bulb: This is automagically done with `npm init esm` or `yarn create esm`.
* When bundling with `browserify` use the [`esmify`](https://github.com/mattdesl/esmify) plugin
* Use [`esmify`](https://github.com/mattdesl/esmify) with [`browserify`](http://browserify.org/).

@@ -116,22 +116,20 @@ ### :wrench: Extensions

* Load `esm` before other runtime loaders or APM packages like<br>
- [`@babel/register`](https://babeljs.io/docs/en/next/babel-register.html)
- [`newrelic`](https://github.com/newrelic/node-newrelic)
- [`sqreen`](https://docs.sqreen.io/sqreen-for-nodejs/getting-started-2/)
* Load `esm` before APMs/loaders like
[`@babel/register`](https://babeljs.io/docs/en/next/babel-register.html),
[`newrelic`](https://github.com/newrelic/node-newrelic), and
[`sqreen`](https://docs.sqreen.io/sqreen-for-nodejs/getting-started-2/).
* Load `esm` with the “node-args” options of packages like<br>
- [`node-tap`](https://www.node-tap.org/cli/):<br>
`--node-arg=-r --node-arg=esm`
- [`pm2`](https://pm2.io/doc/en/runtime/reference/pm2-cli/#pm2-flags):<br>
`--node-args="-r esm"`
* Load `esm` with the “node-args” options of<br>
- [`node-tap`](https://www.node-tap.org/cli/): `--node-arg=-r --node-arg=esm`
- [`pm2`](https://pm2.io/doc/en/runtime/reference/pm2-cli/#pm2-flags): `--node-args="-r esm"`
* Load `esm` with the “require” option of packages like<br>
- [`ava`](https://github.com/avajs/ava/blob/master/docs/recipes/es-modules.md)
- [`mocha`](https://mochajs.org/#-r---require-module-name)
- [`nodemon`](https://nodemon.io/)
- [`nyc`](https://github.com/istanbuljs/nyc#require-additional-modules)
- [`qunit`](https://github.com/qunitjs/qunit/releases/tag/2.6.0)
- [`tape`](https://github.com/substack/tape#preloading-modules)
- [`ts-node`](https://github.com/TypeStrong/ts-node#cli-options)
- [`webpack`](https://webpack.js.org/api/cli/#config-options)
* Load `esm` with “require” options of
[`ava`](https://github.com/avajs/ava/blob/master/docs/recipes/es-modules.md),
[`mocha`](https://mochajs.org/#-r---require-module-name),
[`nodemon`](https://nodemon.io/),
[`nyc`](https://github.com/istanbuljs/nyc#require-additional-modules),
[`qunit`](https://github.com/qunitjs/qunit/releases/tag/2.6.0),
[`tape`](https://github.com/substack/tape#preloading-modules),
[`ts-node`](https://github.com/TypeStrong/ts-node#cli-options), and
[`webpack`](https://webpack.js.org/api/cli/#config-options).

@@ -138,0 +136,0 @@ :reminder_ribbon: When using a package’s “require” option remember that,

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