62 lines
1.7 KiB
TypeScript
62 lines
1.7 KiB
TypeScript
import * as fs from 'node:fs';
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import { unified } from 'unified';
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import remarkParse from 'remark-parse';
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import { Heading, List, Node } from 'mdast';
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import { toString } from 'mdast-util-to-string';
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export class Release {
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public readonly releaseName: string;
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public readonly categories: ReleaseCategory[];
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constructor(releaseName: string, categories: ReleaseCategory[] = []) {
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this.releaseName = releaseName;
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this.categories = [...categories];
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}
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}
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export class ReleaseCategory {
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public readonly categoryName: string;
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public readonly items: string[];
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constructor(categoryName: string, items: string[] = []) {
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this.categoryName = categoryName;
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this.items = [...items];
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}
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}
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function isHeading(node: Node): node is Heading {
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return node.type === 'heading';
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}
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function isList(node: Node): node is List {
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return node.type === 'list';
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}
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export function parseChangeLog(path: string): Release[] {
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const input = fs.readFileSync(path, { encoding: 'utf8' });
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const processor = unified().use(remarkParse);
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const releases: Release[] = [];
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const root = processor.parse(input);
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let release: Release | null = null;
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let category: ReleaseCategory | null = null;
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for (const it of root.children) {
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if (isHeading(it) && it.depth === 2) {
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// リリース
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release = new Release(toString(it));
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releases.push(release);
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} else if (isHeading(it) && it.depth === 3 && release) {
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// リリース配下のカテゴリ
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category = new ReleaseCategory(toString(it));
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release.categories.push(category);
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} else if (isList(it) && category) {
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for (const listItem of it.children) {
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// カテゴリ配下のリスト項目
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category.items.push(toString(listItem));
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}
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}
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}
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return releases;
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}
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