takin/lib/utils/lookupFile.js

Front end engineering base toolchain and scaffold

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.lookupFile = void 0;
const fs_extra_1 = __importDefault(require("fs-extra"));
const path_1 = __importDefault(require("path"));
const asArray_1 = require("../utils/asArray");
/**
 * 查找文件
 * @param dirs - 目录地址
 * @param files - 文件名
 * @param extnames - 后缀名
 * @param options - 查找选项
 * @returns `undefined` 或 文件路径 或 文件内容
 */
function lookupFile(dirs, files, extnames, options = {}) {
    const { pathOnly = false, depth = 1 } = options;
    if (depth === 0)
        return;
    for (const dir of (0, asArray_1.asArray)(dirs)) {
        for (const file of files) {
            for (const extname of extnames) {
                const fullPath = [path_1.default.join(dir, file), extname].join('');
                if (fs_extra_1.default.pathExistsSync(fullPath) && fs_extra_1.default.statSync(fullPath).isFile()) {
                    return pathOnly ? fullPath : fs_extra_1.default.readFileSync(fullPath, 'utf-8');
                }
            }
        }
        const parentDir = path_1.default.dirname(dir);
        if (parentDir !== dir) {
            const res = lookupFile(parentDir, files, extnames, {
                pathOnly,
                depth: depth - 1
            });
            if (res != null)
                return res;
        }
    }
}
exports.lookupFile = lookupFile;
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