generator-react-native-vector-icons/generators/app/templates/app.plugin.js

Generates React Native vector icons font library

/**
 * This is a generated file. If you modify it manually, your changes will be lost!
 * Make your changes in `generator-react-native-vector-icons` package instead.
 */
const { withInfoPlist } = require('@expo/config-plugins');
<% if (copyCustomFonts) { -%>
const fs = require('node:fs');
const path = require('node:path');
<% } -%>

module.exports = (config) =>
  withInfoPlist(config, (c) => {
<% if (copyCustomFonts) { -%>
    const projectRoot = c.modRequest.projectRoot;
    const appPkg = JSON.parse(fs.readFileSync(path.join(projectRoot, 'package.json'), 'utf-8'));
    const fontDirName = appPkg.reactNativeVectorIcons?.fontDir || 'rnvi-fonts';
    const fontsDir = path.join(projectRoot, fontDirName, '<%= packageName %>');
    if (!fs.existsSync(fontsDir)) {
      throw new Error(
        `Custom fonts directory not found at ${fontsDir}. See the package README for setup instructions.`
      );
    }

    const fonts = fs.readdirSync(fontsDir).filter((f) => f.endsWith('.ttf'));
    if (fonts.length === 0) {
      throw new Error(
        `No .ttf fonts found in ${fontsDir}. See the package README for setup instructions.`
      );
    }
<% } else if (typeof meta !== 'undefined' && meta && meta.styles) { -%>
    const fonts = [<% Object.values(meta.styles).forEach((style, i) => { %><%= i > 0 ? ', ' : '' %>'<%= style.name %>'<% }); %>];
<% } else { -%>
    const fonts = ['<%= fontFileName %>.ttf'];
<% } -%>

    c.modResults.UIAppFonts = [...new Set([...(c.modResults.UIAppFonts || []), ...fonts])];

    return c;
  });