72 lines
1.6 KiB
TypeScript
72 lines
1.6 KiB
TypeScript
import * as yaml from "js-yaml";
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import { err, ok, Result } from "neverthrow";
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import { appError, AppError, AppErrorVariant } from "@/error";
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import {
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EMPTY_PROJECT_CONFIG,
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normalizeTag,
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type ProjectConfig,
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} from "@/model/projectConfig";
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/**
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* Parse task-folder config.yml content.
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* Accepts missing/empty tags → [].
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*/
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export function parseProjectConfig(
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content: string,
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): Result<ProjectConfig, AppError> {
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if (content.trim() === "") {
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return ok({ ...EMPTY_PROJECT_CONFIG });
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}
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let data: unknown;
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try {
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data = yaml.load(content);
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} catch (error) {
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const detail = error instanceof Error ? error.message : "invalid YAML";
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return err(appError(AppErrorVariant.INVALID_PROJECT_CONFIG, { detail }));
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}
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if (data === null || data === undefined) {
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return ok({ ...EMPTY_PROJECT_CONFIG });
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}
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if (typeof data !== "object" || Array.isArray(data)) {
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return err(
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appError(AppErrorVariant.INVALID_PROJECT_CONFIG, {
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detail: "root must be a mapping",
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}),
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);
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}
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const record = data as Record<string, unknown>;
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if (record.tags === undefined) {
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return ok({ tags: [] });
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}
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if (!Array.isArray(record.tags)) {
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return err(
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appError(AppErrorVariant.INVALID_PROJECT_CONFIG, {
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detail: "tags must be an array of strings",
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}),
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);
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}
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const tags: string[] = [];
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const seen = new Set<string>();
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for (const item of record.tags) {
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if (typeof item !== "string") {
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return err(
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appError(AppErrorVariant.INVALID_PROJECT_CONFIG, {
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detail: "tags must be an array of strings",
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}),
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);
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}
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const tag = normalizeTag(item);
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if (!tag || seen.has(tag)) continue;
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seen.add(tag);
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tags.push(tag);
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}
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return ok({ tags });
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}
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