Skip to content

[docs] Update/simplify info around Metro for env setup#3673

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
huntie merged 1 commit into from
Jul 3, 2023
Merged

[docs] Update/simplify info around Metro for env setup #3673

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 4 additions & 4 deletions docs/_getting-started-linux-android.md
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -126,9 +126,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -147,7 +145,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down
8 changes: 4 additions & 4 deletions docs/_getting-started-macos-android.md
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -141,9 +141,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -162,7 +160,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down
8 changes: 4 additions & 4 deletions docs/_getting-started-macos-ios.md
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -104,9 +104,7 @@ You might also want to ensure that all "shell script build phase" of your Xcode

### Step 1: Start Metro

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -125,7 +123,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Swift or Objective-C, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

### Step 2: Start your application

Expand Down
8 changes: 4 additions & 4 deletions docs/_getting-started-windows-android.md
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -157,9 +157,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -178,7 +176,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down
, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
[docs] Update/simplify info around Metro for env setup by huntie · Pull Request #3673 · react/react-native-website · GitHub
Skip to content
[docs] Update/simplify info around Metro for env setup#3673

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

huntie
merged 1 commit into

from

Jul 3, 2023
 Merged


[docs] Update/simplify info around Metro for env setup
#3673
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


1 commit


Select commit


File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


8 changes: 4 additions & 4 deletions
docs/_getting-started-linux-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -126,9 +126,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -147,7 +145,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-macos-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -141,9 +141,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -162,7 +160,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-macos-ios.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -104,9 +104,7 @@ You might also want to ensure that all "shell script build phase" of your Xcode

### Step 1: Start Metro

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -125,7 +123,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Swift or Objective-C, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

### Step 2: Start your application

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-windows-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -157,9 +157,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -178,7 +176,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
[docs] Update/simplify info around Metro for env setup by huntie · Pull Request #3673 · react/react-native-website · GitHub
Skip to content
[docs] Update/simplify info around Metro for env setup#3673

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

huntie
merged 1 commit into

from

Jul 3, 2023
 Merged


[docs] Update/simplify info around Metro for env setup
#3673
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


1 commit


Select commit


File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


8 changes: 4 additions & 4 deletions
docs/_getting-started-linux-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -126,9 +126,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -147,7 +145,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-macos-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -141,9 +141,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -162,7 +160,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-macos-ios.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -104,9 +104,7 @@ You might also want to ensure that all "shell script build phase" of your Xcode

### Step 1: Start Metro

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -125,7 +123,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Swift or Objective-C, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

### Step 2: Start your application

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-windows-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -157,9 +157,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -178,7 +176,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
[docs] Update/simplify info around Metro for env setup by huntie · Pull Request #3673 · react/react-native-website · GitHub
Skip to content
[docs] Update/simplify info around Metro for env setup#3673

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

huntie
merged 1 commit into

from

Jul 3, 2023
 Merged


[docs] Update/simplify info around Metro for env setup
#3673
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


1 commit


Select commit


File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


8 changes: 4 additions & 4 deletions
docs/_getting-started-linux-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -126,9 +126,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -147,7 +145,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-macos-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -141,9 +141,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -162,7 +160,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-macos-ios.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -104,9 +104,7 @@ You might also want to ensure that all "shell script build phase" of your Xcode

### Step 1: Start Metro

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -125,7 +123,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Swift or Objective-C, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

### Step 2: Start your application

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-windows-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -157,9 +157,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -178,7 +176,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
[docs] Update/simplify info around Metro for env setup by huntie · Pull Request #3673 · react/react-native-website · GitHub
Skip to content
[docs] Update/simplify info around Metro for env setup#3673

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

huntie
merged 1 commit into

from

Jul 3, 2023
 Merged


[docs] Update/simplify info around Metro for env setup
#3673
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


1 commit


Select commit


File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


8 changes: 4 additions & 4 deletions
docs/_getting-started-linux-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -126,9 +126,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -147,7 +145,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-macos-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -141,9 +141,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -162,7 +160,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-macos-ios.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -104,9 +104,7 @@ You might also want to ensure that all "shell script build phase" of your Xcode

### Step 1: Start Metro

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -125,7 +123,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Swift or Objective-C, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

### Step 2: Start your application

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-windows-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -157,9 +157,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -178,7 +176,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
[docs] Update/simplify info around Metro for env setup by huntie · Pull Request #3673 · react/react-native-website · GitHub
Skip to content
[docs] Update/simplify info around Metro for env setup#3673

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

huntie
merged 1 commit into

from

Jul 3, 2023
 Merged


[docs] Update/simplify info around Metro for env setup
#3673
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


1 commit


Select commit


File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


8 changes: 4 additions & 4 deletions
docs/_getting-started-linux-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -126,9 +126,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -147,7 +145,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-macos-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -141,9 +141,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -162,7 +160,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-macos-ios.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -104,9 +104,7 @@ You might also want to ensure that all "shell script build phase" of your Xcode

### Step 1: Start Metro

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -125,7 +123,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Swift or Objective-C, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

### Step 2: Start your application

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-windows-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -157,9 +157,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -178,7 +176,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
[docs] Update/simplify info around Metro for env setup by huntie · Pull Request #3673 · react/react-native-website · GitHub
Skip to content
[docs] Update/simplify info around Metro for env setup#3673

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

huntie
merged 1 commit into

from

Jul 3, 2023
 Merged


[docs] Update/simplify info around Metro for env setup
#3673
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


1 commit


Select commit


File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


8 changes: 4 additions & 4 deletions
docs/_getting-started-linux-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -126,9 +126,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -147,7 +145,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-macos-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -141,9 +141,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -162,7 +160,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-macos-ios.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -104,9 +104,7 @@ You might also want to ensure that all "shell script build phase" of your Xcode

### Step 1: Start Metro

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -125,7 +123,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Swift or Objective-C, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

### Step 2: Start your application

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-windows-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -157,9 +157,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -178,7 +176,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
[docs] Update/simplify info around Metro for env setup by huntie · Pull Request #3673 · react/react-native-website · GitHub
Skip to content
[docs] Update/simplify info around Metro for env setup#3673

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

huntie
merged 1 commit into

from

Jul 3, 2023
 Merged


[docs] Update/simplify info around Metro for env setup
#3673
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


1 commit


Select commit


File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


8 changes: 4 additions & 4 deletions
docs/_getting-started-linux-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -126,9 +126,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -147,7 +145,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-macos-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -141,9 +141,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -162,7 +160,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-macos-ios.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -104,9 +104,7 @@ You might also want to ensure that all "shell script build phase" of your Xcode

### Step 1: Start Metro

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -125,7 +123,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Swift or Objective-C, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

### Step 2: Start your application

Expand Down

8 changes: 4 additions & 4 deletions
docs/_getting-started-windows-android.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -157,9 +157,7 @@ Click "Next" then "Finish" to create your AVD. At this point you should be able

<h3>Step 1: Start Metro</h3>

First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—[Metro Docs](https://facebook.github.io/metro/docs/concepts)

To start Metro, run following command inside your React Native project folder:
[**Metro**](https://facebook.github.io/metro/) is the JavaScript build tool for React Native. To start the Metro development server, run the following from your project folder:

<Tabs groupId="package-manager" queryString defaultValue={constants.defaultPackageManager} values={constants.packageManagers}>
<TabItem value="npm">
Expand All@@ -178,7 +176,9 @@ yarn start
</TabItem>
</Tabs>

> If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more widely supported JavaScript.
:::note
If you're familiar with web development, Metro is similar to bundlers such as Vite and Webpack, but is designed end-to-end for React Native. For instance, Metro uses [Babel](https://babel.dev/) to transform syntax such as JSX into executable JavaScript.
:::

<h3>Step 2: Start your application</h3>

Expand Down