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Support page header setting of changelog file #18

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Support page header setting of changelog file #18

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22 changes: 20 additions & 2 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -83,8 +83,18 @@ class ConventionalChangelog extends Plugin {
});
}

async writeChangelog() {
getOldChangelog() {
const { infile } = this.options;
return new Promise((resolve, reject) => {
const readStream = fs.createReadStream(infile);
const resolver = result => resolve(result.toString().trim());
readStream.pipe(concat(resolver));
readStream.on('error', reject);
});
}

async writeChangelog() {
const { infile, header } = this.options;
let { changelog } = this.config.getContext();

let hasInfile = false;
Expand All @@ -95,12 +105,20 @@ class ConventionalChangelog extends Plugin {
this.debug(err);
}

let oldChangelog = ""
try{
oldChangelog = await this.getOldChangelog();
oldChangelog = oldChangelog.replace(new RegExp(EOL, 'g'), '\n').replace(header, '');
}catch(err){
this.debug(err);
}

if (!hasInfile) {
changelog = await this.generateChangelog({ releaseCount: 0 });
this.debug({ changelog });
}

await prependFile(infile, changelog + EOL + EOL);
fs.writeFileSync(infile, header + EOL + EOL + changelog + EOL + EOL + oldChangelog);

if (!hasInfile) {
await this.exec(`git add ${infile}`);
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