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129 lines
3.3 KiB
129 lines
3.3 KiB
2 years ago
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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\sclass\s(.*?)\sextend/.exec(code);
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if (clzRegResult) {
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clzName = clzRegResult[1];
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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, clzName) {
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if (!depts[clzName]) {
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return "";
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}
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const dstName = path.basename(depts[clzName]).replace(/.js$/g, "");
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const dstPath = path.normalize(depts[clzName]).split("src")[1].split("\\").join("/").split("/");
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const srcPath = path.normalize(src).split("src")[1].split("\\").join("/").split("/");
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// console.log("src", src);
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// console.log("dst", depts[clzName]);
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dstPath.shift();
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dstPath.pop();
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srcPath.shift();
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srcPath.pop();
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const findDstIndexPath = (dstArr, startIndex) => {
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let i = startIndex;
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while (!isExist(path.resolve("src", dstArr.slice(0, i + 1).join("/"), "index.js"))) {
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i++;
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}
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if (i < dstArr.length) {
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return dstArr.slice(startIndex, i + 1).join("/");
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} else {
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return `${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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if (i < srcPath.length) {
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let result = "";
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const rawI = i;
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// 回溯
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for (let j = 0; j < srcPath.length - rawI; j++) {
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result += "../";
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i--;
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}
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i++;
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// dstPath 也没有了
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if (i < dstPath.length) {
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return result + findDstIndexPath(dstPath, i);
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// 还有好多没有匹配完
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// while (i < srcPath) {
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// // exists(srcPath.slice(0, i).join())
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// result += srcPath[i];
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// i++;
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// }
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} else if (i === dstPath.length) {
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return `${result}${dstName}`;
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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;
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exports.search = search;
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