114 lines
3.5 KiB
JavaScript
114 lines
3.5 KiB
JavaScript
"use strict";
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const fs = require("fs");
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const resolve = require("path").resolve;
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const git = require("./git");
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const local = require("./local");
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const npm = require("./npm");
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const utils = require("./utils");
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const ChangelogPath = resolve(__dirname, "../CHANGELOG.md");
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async function generate() {
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// Get each section of the Changelog
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let existing = fs.readFileSync(ChangelogPath).toString().split("\n");
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let sections = [ ];
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let lastLine = existing[0];
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existing.slice(1).forEach((line) => {
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if (line.substring(0, 5) === "=====" || line.substring(0, 5) === "-----") {
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sections.push({
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title: lastLine,
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underline: line.substring(0, 1),
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body: [ ]
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});
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lastLine = null;
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return;
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} else if (lastLine) {
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sections[sections.length - 1].body.push(lastLine);
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}
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lastLine = line;
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});
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sections[sections.length - 1].body.push(lastLine);
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let lastVersion = await npm.getPackageVersion("ethers");
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let logs = await git.run([ "log", (lastVersion.gitHead + "..") ]);
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let changes = [ ];
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logs.split("\n").forEach((line) => {
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if (line.toLowerCase().substring(0, 6) === "commit") {
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changes.push({
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commit: line.substring(6).trim(),
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body: [ ]
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});
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} else if (line.toLowerCase().substring(0, 5) === "date:") {
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changes[changes.length - 1].date = utils.getDateTime(new Date(line.substring(5).trim()));
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} else if (line.substring(0, 1) === " ") {
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line = line.trim();
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if (line === "") { return; }
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changes[changes.length - 1].body += line + " ";
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}
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});
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// @TODO:
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// ethers/version ([date](tag))
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let newSection = {
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title: `ethers/v${ local.loadPackage("ethers").version } (${utils.getDateTime(new Date())})`,
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underline: "-",
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body: [ ]
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}
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// Delete duplicate sections for the same version (ran update multiple times)
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while (sections[1].title === newSection.title) {
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sections.splice(1, 1);
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}
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changes.forEach((change) => {
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let body = change.body.trim();
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let link = body.match(/(\((.*#.*)\))/)
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let commit = `[${ change.commit.substring(0, 7) }](https://github.com/ethers-io/ethers.js/commit/${ change.commit })`;
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if (link) {
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body = body.replace(/ *(\(.*#.*)\) */, "");
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link = link[2].replace(/#([0-9]+)/g, (all, issue) => {
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return `[#${ issue }](https://github.com/ethers-io/ethers.js/issues/${ issue })`;
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}) + "; " + commit;
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} else {
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link = commit;
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}
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newSection.body.push(` - ${ body } (${ link })`);
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});
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sections.splice(1, 0, newSection);
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let formatted = [ ];
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sections.forEach((section) => {
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formatted.push(section.title);
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formatted.push(utils.repeat(section.underline, section.title.length));
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formatted.push("");
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section.body.forEach((line) => {
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line = line.trim();
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if (line === "") { return; }
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if (line.substring(0, 1) === "-") {
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line = "- " + line.substring(1).trim();
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}
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if (section.underline === "-") {
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line = " " + line;
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}
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formatted.push(line);
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});
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formatted.push("");
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});
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return formatted.join("\n") + "\n";
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}
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module.exports = {
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generate: generate,
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ChangelogPath: ChangelogPath,
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}
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