ovsjs/lib/index.js

A technology similar to JSX, but unlike JSX which still uses XML syntax, OVS uses OOP syntax similar to Flutter and SwiftUI to develop UI.

// Vite 插件
import { createFilter } from "vite";
import SubhutiLexer from "subhuti/SubhutiLexer.js";
import { es6Tokens } from "subhuti/syntax/es6/Es6Tokens.js";
import OvsMappingParser from "./ovs/OvsMapping.js";
import OvsParser from "./ovs/OvsParser.js";
function traverseClearTokens(currentNode) {
    if (!currentNode || !currentNode.children || !currentNode.children.length)
        return;
    // 将当前节点添加到 Map 中
    // 递归遍历子节点
    if (currentNode.children && currentNode.children.length > 0) {
        currentNode.children.forEach(child => traverseClearTokens(child));
    }
    currentNode.tokens = undefined;
    return currentNode;
}
export function vitePluginOvsTransform(code) {
    const lexer = new SubhutiLexer(es6Tokens);
    const tokens = lexer.lexer(code);
    const parser = new OvsParser(tokens);
    let res = parser.Program();
    let code1 = parser.exec();
    const mapping = new OvsMappingParser();
    mapping.openMappingMode(res);
    code1 = mapping.exec(res);
    return `
    import { h } from "vue";\n
    ${code1}
    `;
}
export default function vitePluginOvs() {
    const filter = createFilter(/\.ovs$/, null);
    // @ts-ignore
    return {
        enforce: 'pre',
        transform(code, id) {
            if (!filter(id)) {
                return;
            }
            code = vitePluginOvsTransform(code);
            return code;
        }
    };
}
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