standard-commit/dist/lib/parsemsg.js

conventional commit

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.sanitizeCommitMessage = exports.parseCommitMessage = exports.parseIssues = exports.parseBreaking = exports.parseBody = exports.parseCommitHeader = exports.unwrap = void 0;
const linewrap_1 = __importDefault(require("linewrap"));
const os_1 = require("os");
const wrapLines = (0, linewrap_1.default)(72);
const splitLinePattern = /$/gm;
const splitWordsPattern = /\s+/gm;
const headerPattern = /^(\w*)(?:\(([\w$.\-* ]*)\))?: (.*)/;
function unwrap(block) {
    return block.split(splitWordsPattern).join(' ');
}
exports.unwrap = unwrap;
function parseCommitHeader(message) {
    const match = message.match(headerPattern);
    let type, scope, subject;
    if (match) {
        type = match[1];
        scope = match[2];
        subject = match[3];
    }
    else {
        const header = message.split(splitLinePattern)[0];
        subject = header && header.trim();
    }
    const commit = { type, subject };
    if (scope)
        commit.scope = scope;
    return commit;
}
exports.parseCommitHeader = parseCommitHeader;
function parseBody(message) {
    const bodyLines = message.split(/\r?\n/);
    const numlines = bodyLines.length;
    const body = [];
    let block = null;
    for (let i = 1; i < numlines; i++) {
        const line = bodyLines[i];
        if (/^(BREAKING CHANGE|close|closes|fix|fixes|resolve|resolves)./.test(line)) {
            break;
        }
        if (line.match(/^\s*$/)) {
            block && body.push(unwrap(wrapLines(block)));
            block = null;
        }
        else {
            block = block ? [block, line].join(os_1.EOL) : line;
        }
    }
    return body.length ? body : undefined;
}
exports.parseBody = parseBody;
function parseBreaking(message) {
    const match = /^BREAKING CHANGE:(.*)$/gm.exec(message);
    if (match && match[1])
        return match[1].trim();
}
exports.parseBreaking = parseBreaking;
function parseIssues(message) {
    const r = /^(close|closes|fix|fixes|resolve|resolves)\s+(.*)$/gm;
    const issues = [];
    let match;
    while ((match = r.exec(message)) !== null) {
        issues.push(match[2].trim());
    }
    return issues.length ? issues : undefined;
}
exports.parseIssues = parseIssues;
function parseCommitMessage(message) {
    const text = sanitizeCommitMessage(message);
    const commit = parseCommitHeader(text);
    const body = parseBody(text);
    const breaking = parseBreaking(text);
    const issues = parseIssues(text);
    if (breaking)
        commit.breaking = breaking;
    if (issues)
        commit.issues = issues;
    if (body)
        commit.body = body;
    return commit;
}
exports.parseCommitMessage = parseCommitMessage;
function sanitizeCommitMessage(message) {
    // strip comments
    return message.replace(/^#.*$/gm, '');
}
exports.sanitizeCommitMessage = sanitizeCommitMessage;