expo-font
Version:
Load fonts at runtime and use them in React Native components.
52 lines (51 loc) • 2.2 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.toValidAndroidResourceName = toValidAndroidResourceName;
exports.resolveFontPaths = resolveFontPaths;
const promises_1 = __importDefault(require("fs/promises"));
const node_module_1 = __importDefault(require("node:module"));
const path_1 = __importDefault(require("path"));
function isErrorWithCode(error, code) {
return typeof error === 'object' && error !== null && 'code' in error && error.code === code;
}
function resolveFontPath(p, projectRoot) {
return node_module_1.default.createRequire(path_1.default.join(projectRoot, 'package.json')).resolve(p);
}
// rule: File-based resource names must contain only lowercase a-z, 0-9, or underscore
function toValidAndroidResourceName(value) {
const valueWithoutFileExtension = path_1.default.parse(value).name;
const withUnderscores = valueWithoutFileExtension
.replace(/([a-z])([A-Z])/g, '$1_$2')
.replace(/([A-Z])([A-Z][a-z])/g, '$1_$2');
return withUnderscores
.toLowerCase()
.replace(/[^a-z0-9]/g, '_')
.replace(/_+/g, '_');
}
async function resolveFontPaths(fonts, projectRoot) {
const promises = fonts.map(async (p) => {
let resolvedPath = path_1.default.resolve(projectRoot, p);
let stat;
try {
stat = await promises_1.default.stat(resolvedPath);
}
catch (error) {
if (!isErrorWithCode(error, 'ENOENT')) {
throw error;
}
resolvedPath = resolveFontPath(p, projectRoot);
stat = await promises_1.default.stat(resolvedPath);
}
if (stat.isDirectory()) {
const dir = await promises_1.default.readdir(resolvedPath);
return dir.map((file) => path_1.default.join(resolvedPath, file));
}
return [resolvedPath];
});
return (await Promise.all(promises))
.flat()
.filter((p) => p.endsWith('.ttf') || p.endsWith('.otf') || p.endsWith('.woff') || p.endsWith('.woff2'));
}