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[BUMP] automation for version bumps (#605)
* [BUILD] added npm version/postversion and script to bump transport and package json * [BUILD] added script to bump the version
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/* | ||
* Copyright 2021 The NATS Authors | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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||
type SemVer = { | ||
major: number; | ||
minor: number; | ||
micro: number; | ||
qualifier: number; | ||
}; | ||
function parseSemVer( | ||
s = "", | ||
): SemVer { | ||
const m = s.match(/(\d+).(\d+).(\d+)(.*)/); | ||
if (m) { | ||
let qualifier = Number.MAX_SAFE_INTEGER; | ||
if (m[4] !== null) { | ||
const mm = m[4].match(/(\d+)/); | ||
if (mm) { | ||
qualifier = parseInt(mm[1]); | ||
} | ||
} | ||
return { | ||
major: parseInt(m[1]), | ||
minor: parseInt(m[2]), | ||
micro: parseInt(m[3]), | ||
qualifier, | ||
}; | ||
} | ||
throw new Error(`'${s}' is not a semver value`); | ||
} | ||
function compare(a: SemVer, b: SemVer): number { | ||
if (a.major < b.major) return -1; | ||
if (a.major > b.major) return 1; | ||
if (a.minor < b.minor) return -1; | ||
if (a.minor > b.minor) return 1; | ||
if (a.micro < b.micro) return -1; | ||
if (a.micro > b.micro) return 1; | ||
if (a.qualifier < b.qualifier) return -1; | ||
if (a.qualifier > b.qualifier) return 1; | ||
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return 0; | ||
} | ||
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const SRC = "src/node_transport.ts"; | ||
async function getPackageVersion(): Promise<string> { | ||
const pkg = await Deno.readTextFile("package.json"); | ||
const m = JSON.parse(pkg); | ||
return m.version; | ||
} | ||
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async function replaceSourceVersion(from: string, to: string): Promise<void> { | ||
const src = await Deno.readTextFile(SRC); | ||
const s = `const VERSION = "${from}";`; | ||
const t = `const VERSION = "${to}";`; | ||
const w = src.replace(s, t); | ||
await Deno.writeTextFile(SRC, w); | ||
} | ||
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async function getSourceVersion(): Promise<string> { | ||
const src = await Deno.readTextFile(SRC); | ||
const lines = src.split("\n"); | ||
const line = lines.find((txt) => { | ||
return txt.indexOf("const VERSION") === 0; | ||
}); | ||
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if (!line) { | ||
return Promise.reject(new Error("didn't find 'const VERSION'")); | ||
} | ||
const chunks = line?.split(" "); | ||
if ( | ||
chunks.length === 4 && | ||
chunks[0] === "const" && | ||
chunks[1] === "VERSION" && | ||
chunks[2] === "=" | ||
) { | ||
const v = chunks[3].replace(";", ""); | ||
return JSON.parse(v); | ||
} else { | ||
return Promise.reject(`unable to parse ${line}`); | ||
} | ||
} | ||
try { | ||
const pv = await getPackageVersion(); | ||
const sv = await await getSourceVersion(); | ||
const pkg = parseSemVer(pv); | ||
const src = parseSemVer(sv); | ||
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if (compare(pkg, src) <= 0) { | ||
throw new Error( | ||
`package version is not greater than source was expected ${pv} > ${sv}`, | ||
); | ||
} | ||
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await replaceSourceVersion(sv, pv); | ||
} catch (err) { | ||
console.error(`[ERROR] ${err.message}`); | ||
Deno.exit(1); | ||
} | ||
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Deno.exit(0); |
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