YeonGyu-Kim
66 lines
2.4 KiB
TypeScript
66 lines
2.4 KiB
TypeScript
import { SOURCE_PRIORITY } from "./rules/constants.js";
|
|
import { defaultConfig } from "./rules/engine.js";
|
|
import type { PiRulesConfig, RuleSource } from "./rules/types.js";
|
|
|
|
const MODE_VALUES = new Set<PiRulesConfig["mode"]>(["static", "dynamic", "both", "off"]);
|
|
|
|
export function configFromEnvironment(env: NodeJS.ProcessEnv = process.env): PiRulesConfig {
|
|
const config = defaultConfig();
|
|
config.disabled = isTruthy(firstEnv(env, "CODEX_RULES_DISABLED", "PI_RULES_DISABLED"));
|
|
config.mode = parseMode(firstEnv(env, "CODEX_RULES_MODE", "PI_RULES_MODE")) ?? config.mode;
|
|
config.maxRuleChars =
|
|
parsePositiveInteger(firstEnv(env, "CODEX_RULES_MAX_RULE_CHARS", "PI_RULES_MAX_RULE_CHARS")) ??
|
|
config.maxRuleChars;
|
|
config.maxResultChars =
|
|
parsePositiveInteger(firstEnv(env, "CODEX_RULES_MAX_RESULT_CHARS", "PI_RULES_MAX_RESULT_CHARS")) ??
|
|
config.maxResultChars;
|
|
config.enabledSources = parseEnabledSources(
|
|
firstEnv(env, "CODEX_RULES_ENABLED_SOURCES", "PI_RULES_ENABLED_SOURCES"),
|
|
);
|
|
return config;
|
|
}
|
|
|
|
function firstEnv(env: NodeJS.ProcessEnv, ...names: string[]): string | undefined {
|
|
for (const name of names) {
|
|
const value = env[name];
|
|
if (typeof value === "string" && value.trim().length > 0) {
|
|
return value;
|
|
}
|
|
}
|
|
return undefined;
|
|
}
|
|
|
|
function isTruthy(value: string | undefined): boolean {
|
|
if (value === undefined) return false;
|
|
return ["1", "true", "yes", "on"].includes(value.trim().toLowerCase());
|
|
}
|
|
|
|
function parseMode(value: string | undefined): PiRulesConfig["mode"] | undefined {
|
|
if (value === undefined) return undefined;
|
|
const normalized = value.trim().toLowerCase();
|
|
return MODE_VALUES.has(normalized as PiRulesConfig["mode"]) ? (normalized as PiRulesConfig["mode"]) : undefined;
|
|
}
|
|
|
|
function parsePositiveInteger(value: string | undefined): number | undefined {
|
|
if (value === undefined) return undefined;
|
|
const parsed = Number.parseInt(value.trim(), 10);
|
|
return Number.isSafeInteger(parsed) && parsed > 0 ? parsed : undefined;
|
|
}
|
|
|
|
function parseEnabledSources(value: string | undefined): RuleSource[] | "auto" {
|
|
if (value === undefined || value.trim().toLowerCase() === "auto") {
|
|
return "auto";
|
|
}
|
|
|
|
const validSources = new Set(SOURCE_PRIORITY.keys());
|
|
const sources: RuleSource[] = [];
|
|
for (const rawSource of value.split(",")) {
|
|
const source = rawSource.trim();
|
|
if (!validSources.has(source as RuleSource)) {
|
|
continue;
|
|
}
|
|
sources.push(source as RuleSource);
|
|
}
|
|
return sources.length > 0 ? sources : "auto";
|
|
}
|