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resultHelper.ts
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251 lines (219 loc) · 6.61 KB
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import { ResultFile, ResultDir } from '@alilc/lowcode-types';
import nm from 'nanomatch';
import { CodeGeneratorError } from '../types/error';
import { FlattenFile } from '../types/file';
export function createResultFile(name: string, ext = 'jsx', content = ''): ResultFile {
return {
name,
ext,
content,
};
}
export function createResultDir(name: string): ResultDir {
return {
name,
dirs: [],
files: [],
};
}
export function addDirectory(target: ResultDir, dir: ResultDir): void {
if (target.dirs.findIndex((d) => d.name === dir.name) < 0) {
target.dirs.push(dir);
} else {
throw new CodeGeneratorError(
`Adding same directory to one directory: ${dir.name} -> ${target.name}`,
);
}
}
export function addFile(target: ResultDir, file: ResultFile): void {
if (target.files.findIndex((f) => f.name === file.name && f.ext === file.ext) < 0) {
target.files.push(file);
} else {
throw new CodeGeneratorError(
`Adding same file to one directory: ${file.name} -> ${target.name}`,
);
}
}
export function flattenResult(dir: ResultDir, cwd = ''): FlattenFile[] {
if (!dir.files.length && !dir.dirs.length) {
return [];
}
return [
...dir.files.map(
(file): FlattenFile => ({
pathName: joinPath(cwd, `${file.name}${file.ext ? `.${file.ext}` : ''}`),
content: file.content,
}),
),
].concat(...dir.dirs.map((subDir) => flattenResult(subDir, joinPath(cwd, subDir.name))));
}
export type GlobOptions = {
/** 是否查找 ".xxx" 文件, 默认: 否 */
dot?: boolean;
};
/**
* 查找文件
* @param result 出码结果
* @param fileGlobExpr 文件名匹配表达式
* @param resultDirPath 出码结果的路径（默认是 '.'）
* @returns 匹配的第一个文件或 null （找不到）
*/
export function findFile(
result: ResultDir,
fileGlobExpr: string,
options: GlobOptions = {},
resultDirPath = getResultNameOrDefault(result, ''),
): ResultFile | null {
const maxDepth = !/\/|\*\*/.test(fileGlobExpr) ? 1 : undefined; // 如果 glob 表达式里面压根不会匹配子目录，则深度限制为 1
const files = scanFiles(result, resultDirPath, maxDepth);
for (let [filePath, file] of files) {
if (nm.isMatch(filePath, fileGlobExpr, options)) {
return file;
}
}
return null;
}
/**
* 使用 glob 语法查找多个文件
* @param result 出码结果
* @param fileGlobExpr 文件名匹配表达式
* @param resultDirPath 出码结果的路径（默认是 '.'）
* @returns 找到的文件列表的迭代器 [ [文件路径, 文件信息], ... ]
*/
export function* globFiles(
result: ResultDir,
fileGlobExpr: string,
options: GlobOptions = {},
resultDirPath = getResultNameOrDefault(result, ''),
): IterableIterator<[string, ResultFile]> {
const files = scanFiles(result, resultDirPath);
for (let [filePath, file] of files) {
if (nm.isMatch(filePath, fileGlobExpr, options)) {
yield [filePath, file];
}
}
}
/**
* 遍历所有的文件
*/
export function* scanFiles(
result: ResultDir,
resultDirPath = getResultNameOrDefault(result, ''),
maxDepth = 10000,
): IterableIterator<[string, ResultFile]> {
for (let file of result.files) {
const fileName = getFileNameWithExt(file);
yield [joinPath(resultDirPath, fileName), file];
}
for (let subDir of result.dirs) {
yield* scanFiles(subDir, joinPath(resultDirPath, subDir.name), maxDepth - 1);
}
}
export function getFileNameWithExt(file: ResultFile) {
return `${file.name}${file.ext ? `.${file.ext}` : ''}`;
}
function getResultNameOrDefault(result: ResultDir, defaultDir = '/') {
return result.name && result.name !== '.' ? result.name : defaultDir;
}
function joinPath(...pathParts: string[]): string {
return pathParts
.filter((x) => x !== '' && x !== '.')
.join('/')
.replace(/\\+/g, '/')
.replace(/\/+/g, '/');
}
export function* scanDirs(
result: ResultDir,
resultDirPath = getResultNameOrDefault(result, ''),
maxDepth = 10000,
): IterableIterator<[string, ResultDir]> {
yield [resultDirPath, result];
for (let subDir of result.dirs) {
yield* scanDirs(subDir, joinPath(resultDirPath, subDir.name), maxDepth - 1);
}
}
export function* globDirs(
result: ResultDir,
dirGlobExpr: string,
options: GlobOptions = {},
resultDirPath = getResultNameOrDefault(result, ''),
): IterableIterator<[string, ResultDir]> {
const dirs = scanDirs(result, resultDirPath);
for (let [dirPath, dir] of dirs) {
if (nm.isMatch(dirPath, dirGlobExpr, options)) {
yield [dirPath, dir];
}
}
}
export function findDir(
result: ResultDir,
dirGlobExpr: string,
options: GlobOptions = {},
resultDirPath = getResultNameOrDefault(result, ''),
): ResultDir | null {
const dirs = scanDirs(result, resultDirPath);
for (let [dirPath, dir] of dirs) {
if (nm.isMatch(dirPath, dirGlobExpr, options)) {
return dir;
}
}
return null;
}
/**
* 从结果中移除一些文件
* @param result 出码结果目录
* @param filePathGlobExpr 要移除的文件路径（glob 表达式）
* @param globOptions glob 参数
* @returns 移除了多少文件
*/
export function removeFilesFromResult(
result: ResultDir,
filePathGlobExpr: string,
globOptions: GlobOptions = {},
): number {
let removedCount = 0;
const [dirPath, fileName] = splitPath(filePathGlobExpr);
const dirs = dirPath ? globDirs(result, dirPath) : [['', result] as const];
for (let [, dir] of dirs) {
const files = globFiles(dir, fileName, globOptions, '.');
for (let [, file] of files) {
dir.files.splice(dir.files.indexOf(file), 1);
removedCount += 1;
}
}
return removedCount;
}
/**
* 从结果中移除一些目录
* @param result 出码结果目录
* @param dirPathGlobExpr 要移除的目录路径（glob 表达式）
* @param globOptions glob 参数
* @returns 移除了多少文件
*/
export function removeDirsFromResult(
result: ResultDir,
dirPathGlobExpr: string,
globOptions: GlobOptions = {},
): number {
let removedCount = 0;
const [dirPath, fileName] = splitPath(dirPathGlobExpr);
const dirs = dirPath ? globDirs(result, dirPath) : [['', result] as const];
for (let [, dir] of dirs) {
const foundDirs = globDirs(dir, fileName, globOptions, '.');
for (let [, foundDir] of foundDirs) {
dir.dirs.splice(dir.dirs.indexOf(foundDir), 1);
removedCount += 1;
}
}
return removedCount;
}
/**
* 将文件路径拆分为目录路径和文件名
* @param filePath
* @returns [fileDirPath, fileName]
*/
function splitPath(filePath: string) {
const parts = filePath.split('/');
const fileName = parts.pop() || '';
return [joinPath(...parts), fileName];
}