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const fs = require("fs");
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const path = require("path");
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const depts = {};
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async function handle(filename) {
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// 找clzName
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const code = fs.readFileSync(filename);
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const inheritRegResult = /BI\.(.*?)\s=\sBI\.inherit\(/.exec(code);
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let clzName;
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if (inheritRegResult) {
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clzName = inheritRegResult[1];
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} else {
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const clzRegResult = /export\s+class\s+(.*?)\s+/.exec(code);
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if (clzRegResult) {
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clzName = clzRegResult[1];
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} else {
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return;
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}
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const xtypeResult = /static xtype = (.*?)(;|\s)/.exec(code);
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// 找一下 xtype
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if (xtypeResult) {
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depts[xtypeResult[1]] = {
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clzName,
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clzPath: filename,
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};
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} else {
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// console.log(`${filename} 没有 xtype`);
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}
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}
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depts[clzName] = filename;
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}
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function isExist(filePath) {
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return fs.existsSync(filePath);
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}
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async function bfs(filename) {
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const stat = fs.statSync(filename);
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const isDir = stat.isDirectory();
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if (isDir) {
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const files = fs.readdirSync(filename);
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for (let i = 0; i < files.length; i++) {
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const file = files[i];
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await bfs(path.resolve(filename, file));
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}
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} else {
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await handle(filename);
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}
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}
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async function initDepts() {
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// dfs 构建依赖关系
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await bfs(path.resolve("src"));
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}
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function search(src, module) {
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let clzName = module;
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let clzPath = depts[module];
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if (!depts[clzName]) {
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return "";
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}
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if (clzName.indexOf("\"") >= 0) {
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clzName = depts[module].clzName;
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clzPath = depts[module].clzPath;
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}
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const dstName = path.basename(clzPath).replace(/.js$/g, "");
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const dstPath = path.normalize(clzPath).split("src")[1].split("\\").join("/").split("/");
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const srcPath = path.normalize(src).split("src")[1].split("\\").join("/").split("/");
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// console.log("src", src);
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// console.log("dst", depts[clzName]);
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dstPath.shift();
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dstPath.pop();
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srcPath.shift();
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srcPath.pop();
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const findDstIndexPath = (dstArr, startIndex) => {
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let i = startIndex;
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while (!isExist(path.resolve("src", dstArr.slice(0, i + 1).join("/"), "index.js")) && i < dstArr.length) {
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i++;
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}
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if (i < dstArr.length) {
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return dstArr.slice(startIndex, i + 1).join("/");
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} else {
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return `${dstArr.slice(startIndex).join("/")}/${dstName}`;
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}
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};
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// 不同包
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if (dstPath[0] !== srcPath[0]) {
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return `@/${dstPath[0]}`;
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}
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// 同包
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let i = 0;
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while (dstPath[i] === srcPath[i] && i < dstPath.length && i < srcPath.length) {
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i++;
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}
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// i 代表同名的位置
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i--;
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// 没有匹配完
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if (i < srcPath.length) {
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let result = "";
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// 回溯,向上找,回到目录 i
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for (let j = srcPath.length - 1; j > i; j--) {
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result += "../";
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}
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|
// 匹配过的下一个位置
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i++;
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if (i >= dstPath.length) {
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// 越界
|
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return `${result}${dstName}`;
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} else {
|
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// 看看这个目录下有没有 index
|
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|
return result + findDstIndexPath(dstPath, i);
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}
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} else if (i === srcPath.length) {
|
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if (i === dstPath.length) {
|
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return dstName;
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|
} else if (i < dstPath.length) {
|
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|
return findDstIndexPath(dstPath, i);
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|
}
|
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|
}
|
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|
}
|
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|
|
// search(process.argv[2], "Text").then(res => {
|
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|
|
// console.log(res);
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|
// });
|
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|
|
exports.initDepts = initDepts;
|
|
|
|
exports.search = search;
|
|
|
|
exports.depts = depts;
|
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