TorrentPeers: Simplify peer geo flag handling

Signed-off-by: Jesse Chan <jc@linux.com>
2026-06-02 02:56:05 +00:00 · 2020-08-04 03:16:14 +08:00
parent 4ea381049a
commit c7f69407dd
5 changed files with 520 additions and 45 deletions
@@ -1,6 +1,7 @@
 const autoprefixer = require('autoprefixer');
 const path = require('path');
 const webpack = require('webpack');
+const CopyPlugin = require('copy-webpack-plugin');
 const HtmlWebpackPlugin = require('html-webpack-plugin');
 const CaseSensitivePathsPlugin = require('case-sensitive-paths-webpack-plugin');
 const InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin');
@@ -197,5 +198,16 @@ module.exports = {
    // makes the discovery automatic so you don't have to restart.
    // See https://github.com/facebookincubator/create-react-app/issues/186
    new WatchMissingNodeModulesPlugin(paths.appNodeModules),
+    new CopyPlugin({
+      patterns: [
+        {
+          from: 'client/src/images/flags/*.png',
+          to: 'static/images/flags',
+          transformPath(targetPath) {
+            return targetPath.replace('client/src/images/flags/', '');
+          },
+        },
+      ],
+    }),
  ],
 };
@@ -1,6 +1,7 @@
 const autoprefixer = require('autoprefixer');
 const path = require('path');
 const webpack = require('webpack');
+const CopyPlugin = require('copy-webpack-plugin');
 const HtmlWebpackPlugin = require('html-webpack-plugin');
 const InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin');
 const ManifestPlugin = require('webpack-manifest-plugin');
@@ -185,6 +186,17 @@ module.exports = {
    new ManifestPlugin({
      fileName: 'asset-manifest.json',
    }),
+    new CopyPlugin({
+      patterns: [
+        {
+          from: 'client/src/images/flags/*.png',
+          to: 'static/images/flags',
+          transformPath(targetPath) {
+            return targetPath.replace('client/src/images/flags/', '');
+          },
+        },
+      ],
+    }),
  ],
  performance: {
    // TODO: Add code-splitting and re-enable this when the bundle is smaller
@@ -8,63 +8,28 @@ import Checkmark from '../../icons/Checkmark';
 const checkmark = <Checkmark />;

 export default class TorrentPeers extends React.Component {
-  constructor() {
-    super();
-
-    this.state = {
-      erroredCountryImages: [],
-    };
-  }
-
-  flagImageAsErrored(countryCode) {
-    const {erroredCountryImages} = this.state;
-    erroredCountryImages.push(countryCode);
-    this.setState({erroredCountryImages});
-  }
-
-  getImageErrorHandlerFn(countryCode) {
-    return () => this.flagImageAsErrored(countryCode);
-  }
-
  render() {
    const {peers} = this.props;

    if (peers) {
-      const {erroredCountryImages} = this.state;
      const peerList = peers.map((peer) => {
        const {country: countryCode} = peer;
        const encryptedIcon = peer.isEncrypted ? checkmark : null;
        let peerCountry = null;

        if (countryCode) {
-          let image = null;
-
-          if (!erroredCountryImages.includes(countryCode)) {
-            let flagImageSrc;
-            try {
-              // We can ignore the lint warnings becuase we need all of the flags available for request.
-              // eslint-disable-next-line global-require,no-undef,import/no-dynamic-require
-              flagImageSrc = require(`../../../../images/flags/${countryCode.toLowerCase()}.png`);
-            } catch (err) {
-              this.flagImageAsErrored(countryCode);
-              flagImageSrc = null;
-            }
-
-            if (flagImageSrc) {
-              image = (
-                <img
-                  alt={countryCode}
-                  className="peers-list__flag__image"
-                  onError={this.getImageErrorHandlerFn(countryCode)}
-                  src={flagImageSrc}
-                />
-              );
-            }
-          }
-
+          const flagImageSrc = `static/images/flags/${countryCode.toLowerCase()}.png`;
          peerCountry = (
            <span className="peers-list__flag">
-              {image}
+              <img
+                alt={countryCode}
+                className="peers-list__flag__image"
+                src={flagImageSrc}
+                onError={(e) => {
+                  e.target.onerror = null;
+                  e.target.style.display = 'none';
+                }}
+              />
              <span className="peers-list__flag__text">{countryCode}</span>
            </span>
          );
@@ -1213,12 +1213,49 @@
        "glob-to-regexp": "^0.3.0"
      }
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+    "@nodelib/fs.walk": {
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+      "resolved": "https://registry.npmjs.org/@nodelib/fs.walk/-/fs.walk-1.2.4.tgz",
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+      "dev": true,
+      "requires": {
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+        "fastq": "^1.6.0"
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+    "@npmcli/move-file": {
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      "dev": true
    },
+    "aggregate-error": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/aggregate-error/-/aggregate-error-3.0.1.tgz",
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+      "dev": true,
+      "requires": {
+        "clean-stack": "^2.0.0",
+        "indent-string": "^4.0.0"
+      },
+      "dependencies": {
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+          "dev": true
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+      }
+    },
    "ajv": {
      "version": "6.10.0",
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@@ -3915,6 +3970,12 @@
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+    "clean-stack": {
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+      "resolved": "https://registry.npmjs.org/clean-stack/-/clean-stack-2.2.0.tgz",
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+      "dev": true
+    },
    "cli-boxes": {
      "version": "2.2.0",
      "resolved": "https://registry.npmjs.org/cli-boxes/-/cli-boxes-2.2.0.tgz",
@@ -4266,6 +4327,331 @@
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