ts-mdls/dist/mdls.js

Lightweigth, dependency free, fully typed wrapper of the macOS `mdls` command

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const child_process_1 = require("child_process");
const util_1 = require("util");
const metadataAttributeParsers_1 = require("./utilities/metadataAttributeParsers");
const exec = (0, util_1.promisify)(child_process_1.exec);
function mdls(path, attributeKeys) {
    return __awaiter(this, void 0, void 0, function* () {
        if (process.platform !== "darwin")
            throw new Error(process.platform + " is not supported.");
        const names = attributeKeys === null || attributeKeys === void 0 ? void 0 : attributeKeys.map((a) => `-name ${a}`).join(" ");
        const { stdout } = yield exec(`/usr/bin/mdls ${names !== null && names !== void 0 ? names : ""} '${path}'`);
        const rawAttributes = stdout
            .split(/\s+(?=kMD)/)
            .map((a) => a.split("=").map((i) => i.trim()));
        const result = {};
        for (const rawAttribute of rawAttributes) {
            const key = rawAttribute[0];
            const value = rawAttribute[1];
            const parser = metadataAttributeParsers_1.metadatAttributeParsers[key];
            if (parser === undefined) {
                continue;
            }
            else {
                result[key] = parser(value);
            }
        }
        return result;
    });
}
exports.default = mdls;
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