LyAhn
779a18f56e
JS regex has no \z anchor — it matched a literal 'z', so appending to the last section under [Unreleased] silently failed and duplicated the heading. Use $(?![\s\S]) to anchor to true end-of-input.
74 lines
2.2 KiB
JavaScript
74 lines
2.2 KiB
JavaScript
#!/usr/bin/env node
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import { readFileSync, writeFileSync } from "node:fs";
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import { resolve } from "node:path";
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const SECTION_BY_TYPE = {
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added: "Added",
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changed: "Changed",
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deprecated: "Deprecated",
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removed: "Removed",
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fixed: "Fixed",
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security: "Security",
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};
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function usage() {
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console.error([
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"Usage:",
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" pnpm changelog:add -- --type fixed --message \"Fix thing\"",
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"",
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`Types: ${Object.keys(SECTION_BY_TYPE).join(", ")}`,
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].join("\n"));
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process.exit(1);
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}
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function argValue(name) {
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const index = process.argv.indexOf(`--${name}`);
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if (index === -1) return null;
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return process.argv[index + 1] ?? null;
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}
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const type = argValue("type")?.toLowerCase();
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const message = argValue("message")?.trim();
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if (!type || !message || !SECTION_BY_TYPE[type]) {
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usage();
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}
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const section = SECTION_BY_TYPE[type];
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const changelogPath = resolve("CHANGELOG.md");
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let changelog = readFileSync(changelogPath, "utf8");
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if (!/^## \[Unreleased\]/m.test(changelog)) {
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changelog = changelog.replace(
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/(\r?\n)(## \[[^\r\n]+\])/,
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`$1## [Unreleased]$1$1$2`,
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);
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}
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// JS regex has no \z anchor, so match to the next version heading or true
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// end-of-input ($ with nothing following — \n-tolerant under the m flag).
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const unreleasedMatch = changelog.match(/^## \[Unreleased\][\s\S]*?(?=^## \[|$(?![\s\S]))/m);
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if (!unreleasedMatch) {
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throw new Error("Could not find or create an Unreleased section.");
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}
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const unreleased = unreleasedMatch[0];
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const lineEnding = changelog.includes("\r\n") ? "\r\n" : "\n";
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const bullet = `- ${message}`;
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let nextUnreleased;
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const sectionRegex = new RegExp(`(^### ${section}\\s*)([\\s\\S]*?)(?=^### |$(?![\\s\\S]))`, "m");
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const sectionMatch = unreleased.match(sectionRegex);
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if (sectionMatch) {
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const body = sectionMatch[2].trimEnd();
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const replacement = `${sectionMatch[1]}${body ? `${body}${lineEnding}` : ""}${bullet}${lineEnding}${lineEnding}`;
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nextUnreleased = unreleased.replace(sectionRegex, replacement);
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} else {
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const insert = `${lineEnding}### ${section}${lineEnding}${lineEnding}${bullet}${lineEnding}`;
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nextUnreleased = unreleased.trimEnd() + insert + lineEnding;
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}
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changelog = changelog.replace(unreleased, nextUnreleased);
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writeFileSync(changelogPath, changelog);
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