138 lines
3.8 KiB
JavaScript
138 lines
3.8 KiB
JavaScript
#!/usr/bin/env node
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"use strict";
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const fs = require("fs");
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const path = require("path");
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const rimraf = require("rimraf");
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const semver = require("semver");
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const changelogUnreleasedDir = path.join(__dirname, "../changelog_unreleased");
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const blogDir = path.join(__dirname, "../website/blog");
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const introFile = path.join(changelogUnreleasedDir, "blog-post-intro.md");
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const previousVersion = require("prettier/package.json").version;
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const version = require("../package.json").version.replace(/-.+/, "");
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const postGlob = path.join(blogDir, `????-??-??-${version}.md`);
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const postFile = path.join(
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blogDir,
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`${new Date().toISOString().replace(/T.+/, "")}-${version}.md`
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);
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const categories = [
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{ dir: "javascript", title: "JavaScript" },
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{ dir: "typescript", title: "TypeScript" },
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{ dir: "flow", title: "Flow" },
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{ dir: "json", title: "JSON" },
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{ dir: "css", title: "CSS" },
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{ dir: "scss", title: "SCSS" },
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{ dir: "less", title: "Less" },
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{ dir: "html", title: "HTML" },
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{ dir: "vue", title: "Vue" },
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{ dir: "angular", title: "Angular" },
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{ dir: "lwc", title: "LWC" },
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{ dir: "handlebars", title: "Handlebars (alpha)" },
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{ dir: "graphql", title: "GraphQL" },
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{ dir: "markdown", title: "Markdown" },
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{ dir: "mdx", title: "MDX" },
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{ dir: "yaml", title: "YAML" },
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{ dir: "api", title: "API" },
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{ dir: "cli", title: "CLI" },
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];
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const categoriesByDir = categories.reduce((result, category) => {
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result[category.dir] = category;
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return result;
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}, {});
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const dirs = fs
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.readdirSync(changelogUnreleasedDir, { withFileTypes: true })
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.filter((entry) => entry.isDirectory());
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for (const dir of dirs) {
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const dirPath = path.join(changelogUnreleasedDir, dir.name);
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const category = categoriesByDir[dir.name];
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if (!category) {
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throw new Error("Unknown category: " + dir.name);
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}
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category.entries = fs
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.readdirSync(path.join(changelogUnreleasedDir, dir.name))
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.filter((fileName) => /^pr-\d+\.md$/.test(fileName))
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.map((fileName) => {
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const [title, ...rest] = fs
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.readFileSync(path.join(dirPath, fileName), "utf8")
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.trim()
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.split("\n");
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return {
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breaking: title.includes("[BREAKING]"),
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highlight: title.includes("[HIGHLIGHT]"),
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content: [processTitle(title), ...rest].join("\n"),
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};
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});
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}
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rimraf.sync(postGlob);
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fs.writeFileSync(
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postFile,
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replaceVersions(
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[
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fs.readFileSync(introFile, "utf8").trim(),
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"<!--truncate-->",
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...printEntries({
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title: "Highlights",
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filter: (entry) => entry.highlight,
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}),
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...printEntries({
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title: "Breaking changes",
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filter: (entry) => entry.breaking && !entry.highlight,
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}),
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...printEntries({
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title: "Other changes",
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filter: (entry) => !entry.breaking && !entry.highlight,
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}),
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].join("\n\n") + "\n"
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)
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);
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function processTitle(title) {
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return title
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.replace(/\[(BREAKING|HIGHLIGHT)]/g, "")
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.replace(/\s+/g, " ")
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.replace(/^#{4} [a-z]/, (s) => s.toUpperCase())
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.replace(/(?<![[`])@([\w-]+)/g, "[@$1](https://github.com/$1)")
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.replace(
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/(?<![[`])#(\d{4,})/g,
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"[#$1](https://github.com/prettier/prettier/pull/$1)"
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);
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}
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function printEntries({ title, filter }) {
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const result = [];
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for (const { entries = [], title } of categories) {
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const filteredEntries = entries.filter(filter);
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if (filteredEntries.length) {
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result.push("### " + title);
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result.push(...filteredEntries.map((entry) => entry.content));
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}
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}
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if (result.length) {
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result.unshift("## " + title);
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}
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return result;
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}
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function formatVersion(version) {
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return `${semver.major(version)}.${semver.minor(version)}`;
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}
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function replaceVersions(data) {
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return data
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.replace(/prettier stable/gi, `Prettier ${formatVersion(previousVersion)}`)
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.replace(/prettier master/gi, `Prettier ${formatVersion(version)}`);
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}
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