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fix: obey identifierBase in all prerelease increment situations #550

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6 changes: 3 additions & 3 deletions classes/semver.js
Original file line number Diff line number Diff line change
Expand Up @@ -176,6 +176,7 @@ class SemVer {
// preminor will bump the version up to the next minor release, and immediately
// down to pre-release. premajor and prepatch work the same way.
inc (release, identifier, identifierBase) {
const base = Number(identifierBase) ? 1 : 0
switch (release) {
case 'premajor':
this.prerelease.length = 0
Expand Down Expand Up @@ -248,7 +249,7 @@ class SemVer {
// 1.0.0 'pre' would become 1.0.0-0 which is the wrong direction.
case 'pre':
if (this.prerelease.length === 0) {
this.prerelease = [0]
this.prerelease = [base]
} else {
let i = this.prerelease.length
while (--i >= 0) {
Expand All @@ -259,11 +260,10 @@ class SemVer {
}
if (i === -1) {
// didn't increment anything
this.prerelease.push(0)
this.prerelease.push(base)
}
}
if (identifier) {
const base = Number(identifierBase) ? 1 : 0
// 1.2.0-beta.1 bumps to 1.2.0-beta.2,
// 1.2.0-beta.fooblz or 1.2.0-beta bumps to 1.2.0-beta.0
if (compareIdentifiers(this.prerelease[0], identifier) === 0) {
Expand Down
5 changes: 5 additions & 0 deletions test/fixtures/increments.js
Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,7 @@ module.exports = [
['1.2.3-1', 'preminor', '1.3.0-dev.0', false, 'dev'],
['1.2.0', 'premajor', '2.0.0-dev.0', false, 'dev'],
['1.2.3-1', 'premajor', '2.0.0-dev.0', false, 'dev'],
['1.2.3-1', 'premajor', '2.0.0-dev.1', false, 'dev', 1],
['1.2.0-1', 'minor', '1.2.0', false, 'dev'],
['1.0.0-1', 'major', '1.0.0', 'dev'],
['1.2.3-dev.bar', 'prerelease', '1.2.3-dev.0', false, 'dev'],
Expand All @@ -99,6 +100,10 @@ module.exports = [
['1.2.0', 'premajor', '2.0.0-dev.0', false, 'dev', '0'],
['1.2.3-1', 'premajor', '2.0.0-dev.0', false, 'dev', '0'],
['1.2.3-dev.bar', 'prerelease', '1.2.3-dev.0', false, 'dev', '0'],
['1.2.3-dev.bar', 'prerelease', '1.2.3-dev.1', false, 'dev', '1'],
['1.2.3-dev.bar', 'prerelease', '1.2.3-dev.bar.0', false, '', '0'],
['1.2.3-dev.bar', 'prerelease', '1.2.3-dev.bar.1', false, '', '1'],
['1.2.0', 'preminor', '1.3.0-dev.1', false, 'dev', '1'],
['1.2.3-1', 'preminor', '1.3.0-dev.0', false, 'dev'],
['1.2.0', 'prerelease', '1.2.1-1', false, '', '1'],
]