14590701503

Committed 22 Apr 2025 08:50AM UTC coverage: 50.118% (-0.9%) from 50.98%

Build # 14590701503

Build Type

Pull #82

github

Committed by

blva

Commit Message

lint

Pull Request Pull Request #82: add create project tool

Run Details

23 of 150 branches covered (15.33%)

Branch coverage included in aggregate %.

8 of 31 new or added lines in 3 files covered. (25.81%)

4 existing lines in 1 file now uncovered.

401 of 696 relevant lines covered (57.61%)

36.62 hits per line

Source File
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35.71

/src/config.ts

import path from "path";
import os from "os";
import argv from "yargs-parser";

import packageJson from "../package.json" with { type: "json" };
import { ReadConcernLevel, ReadPreferenceMode, W } from "mongodb";

// If we decide to support non-string config options, we'll need to extend the mechanism for parsing
// env variables.
interface UserConfig {
    apiBaseUrl?: string;
    apiClientId?: string;
    apiClientSecret?: string;
    logPath: string;
    connectionString?: string;
    connectOptions: {
        readConcern: ReadConcernLevel;
        readPreference: ReadPreferenceMode;
        writeConcern: W;
        timeoutMS: number;
    };
    disabledTools: Array<string>;
}

const defaults: UserConfig = {
    logPath: getLogPath(),
    connectOptions: {
        readConcern: "local",
        readPreference: "secondaryPreferred",
        writeConcern: "majority",
        timeoutMS: 30_000,
    },
    disabledTools: [],
};

const mergedUserConfig = {
    ...defaults,
    ...getEnvConfig(),
    ...getCliConfig(),
};

const config = {
    ...mergedUserConfig,
    version: packageJson.version,
};

export default config;

function getLogPath(): string {
    const localDataPath =
        process.platform === "win32"
            ? path.join(process.env.LOCALAPPDATA || process.env.APPDATA || os.homedir(), "mongodb")
            : path.join(os.homedir(), ".mongodb");

    const logPath = path.join(localDataPath, "mongodb-mcp", ".app-logs");

    return logPath;
}

// Gets the config supplied by the user as environment variables. The variable names
// are prefixed with `MDB_MCP_` and the keys match the UserConfig keys, but are converted
// to SNAKE_UPPER_CASE.
function getEnvConfig(): Partial<UserConfig> {
    function setValue(obj: Record<string, unknown>, path: string[], value: string): void {
        const currentField = path.shift();
        if (!currentField) {
            return;
        }
        if (path.length === 0) {
            const numberValue = Number(value);
            if (!isNaN(numberValue)) {
                obj[currentField] = numberValue;
                return;
            }

            const booleanValue = value.toLocaleLowerCase();
            if (booleanValue === "true" || booleanValue === "false") {
                obj[currentField] = booleanValue === "true";
                return;
            }

            // Try to parse an array of values
            if (value.indexOf(",") !== -1) {
                obj[currentField] = value.split(",").map((v) => v.trim());
                return;
            }

            obj[currentField] = value;
            return;
        }

        if (!obj[currentField]) {
            obj[currentField] = {};
        }

        setValue(obj[currentField] as Record<string, unknown>, path, value);
    }

    const result: Record<string, unknown> = {};
    const mcpVariables = Object.entries(process.env).filter(
        ([key, value]) => value !== undefined && key.startsWith("MDB_MCP_")
    ) as [string, string][];
    for (const [key, value] of mcpVariables) {
        const fieldPath = key
            .replace("MDB_MCP_", "")
            .split(".")
            .map((part) => SNAKE_CASE_toCamelCase(part));

        setValue(result, fieldPath, value);
    }

    return result;
}

function SNAKE_CASE_toCamelCase(str: string): string {
    return str.toLowerCase().replace(/([-_][a-z])/g, (group) => group.toUpperCase().replace("_", ""));
}

// Reads the cli args and parses them into a UserConfig object.
function getCliConfig() {
    return argv(process.argv.slice(2), {
        array: ["disabledTools"],
    }) as unknown as Partial<UserConfig>;
}

1	import path from "path";	6✔
2	import os from "os";	6✔
3	import argv from "yargs-parser";	6✔
4
5	import packageJson from "../package.json" with { type: "json" };	6✔
6	import { ReadConcernLevel, ReadPreferenceMode, W } from "mongodb";
7
8	// If we decide to support non-string config options, we'll need to extend the mechanism for parsing
9	// env variables.
10	interface UserConfig {
11	apiBaseUrl?: string;
12	apiClientId?: string;
13	apiClientSecret?: string;
14	logPath: string;
15	connectionString?: string;
16	connectOptions: {
17	readConcern: ReadConcernLevel;
18	readPreference: ReadPreferenceMode;
19	writeConcern: W;
20	timeoutMS: number;
21	};
22	disabledTools: Array<string>;
23	}
24
25	const defaults: UserConfig = {	6✔
26	logPath: getLogPath(),
27	connectOptions: {
28	readConcern: "local",
29	readPreference: "secondaryPreferred",
30	writeConcern: "majority",
31	timeoutMS: 30_000,
32	},
33	disabledTools: [],
34	};
35
36	const mergedUserConfig = {	6✔
37	...defaults,
38	...getEnvConfig(),
39	...getCliConfig(),
40	};
41
42	const config = {	6✔
43	...mergedUserConfig,
44	version: packageJson.version,
45	};
46
47	export default config;	6✔
48
49	function getLogPath(): string {
50	const localDataPath =
51	process.platform === "win32"	6!
52	? path.join(process.env.LOCALAPPDATA \|\| process.env.APPDATA \|\| os.homedir(), "mongodb")	×
53	: path.join(os.homedir(), ".mongodb");
54
55	const logPath = path.join(localDataPath, "mongodb-mcp", ".app-logs");	6✔
56
57	return logPath;	6✔
58	}
59
60	// Gets the config supplied by the user as environment variables. The variable names
61	// are prefixed with `MDB_MCP_` and the keys match the UserConfig keys, but are converted
62	// to SNAKE_UPPER_CASE.
63	function getEnvConfig(): Partial<UserConfig> {
64	function setValue(obj: Record<string, unknown>, path: string[], value: string): void {
65	const currentField = path.shift();	×
66	if (!currentField) {	×
67	return;	×
68	}
69	if (path.length === 0) {	×
70	const numberValue = Number(value);	×
71	if (!isNaN(numberValue)) {	×
72	obj[currentField] = numberValue;	×
73	return;	×
74	}
75
76	const booleanValue = value.toLocaleLowerCase();	×
77	if (booleanValue === "true" \|\| booleanValue === "false") {	×
78	obj[currentField] = booleanValue === "true";	×
79	return;	×
80	}
81
82	// Try to parse an array of values
83	if (value.indexOf(",") !== -1) {	×
84	obj[currentField] = value.split(",").map((v) => v.trim());	×
85	return;	×
86	}
87
88	obj[currentField] = value;	×
89	return;	×
90	}
91
92	if (!obj[currentField]) {	×
93	obj[currentField] = {};	×
94	}
95
96	setValue(obj[currentField] as Record<string, unknown>, path, value);	×
97	}
98
99	const result: Record<string, unknown> = {};	6✔
100	const mcpVariables = Object.entries(process.env).filter(	6✔
101	([key, value]) => value !== undefined && key.startsWith("MDB_MCP_")	912✔
102	) as [string, string][];
103	for (const [key, value] of mcpVariables) {	6✔
104	const fieldPath = key	×
105	.replace("MDB_MCP_", "")
106	.split(".")
107	.map((part) => SNAKE_CASE_toCamelCase(part));	×
108
109	setValue(result, fieldPath, value);	×
110	}
111
112	return result;	6✔
113	}
114
115	function SNAKE_CASE_toCamelCase(str: string): string {
116	return str.toLowerCase().replace(/([-_][a-z])/g, (group) => group.toUpperCase().replace("_", ""));	×
117	}
118
119	// Reads the cli args and parses them into a UserConfig object.
120	function getCliConfig() {
121	return argv(process.argv.slice(2), {	6✔
122	array: ["disabledTools"],
123	}) as unknown as Partial<UserConfig>;
124	}

mongodb-js / mongodb-mcp-server / 14590701503

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