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configureNightly.ts
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83 lines (69 loc) · 4 KB
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/// <reference path="../src/compiler/sys.ts" />
/**
* A minimal description for a parsed package.json object.
*/
interface PackageJson {
name: string;
version: string;
keywords: string[];
}
function main(): void {
const sys = ts.sys;
if (sys.args.length < 2) {
sys.write("Usage:" + sys.newLine)
sys.write("\tnode configureNightly.js <package.json location> <file containing version>" + sys.newLine);
return;
}
// Acquire the version from the package.json file and modify it appropriately.
const packageJsonFilePath = ts.normalizePath(sys.args[0]);
const packageJsonValue: PackageJson = JSON.parse(sys.readFile(packageJsonFilePath));
const { majorMinor, patch } = parsePackageJsonVersion(packageJsonValue.version);
const nightlyPatch = getNightlyPatch(patch);
// Acquire and modify the source file that exposes the version string.
const tsFilePath = ts.normalizePath(sys.args[1]);
const tsFileContents = ts.sys.readFile(tsFilePath);
const modifiedTsFileContents = updateTsFile(tsFilePath, tsFileContents, majorMinor, patch, nightlyPatch);
// Ensure we are actually changing something - the user probably wants to know that the update failed.
if (tsFileContents === modifiedTsFileContents) {
let err = `\n '${tsFilePath}' was not updated while configuring for a nightly publish.\n `;
err += `Ensure that you have not already run this script; otherwise, erase your changes using 'git checkout -- "${tsFilePath}"'.`;
throw err + "\n";
}
// Finally write the changes to disk.
// Modify the package.json structure
packageJsonValue.version = `${majorMinor}.${nightlyPatch}`;
sys.writeFile(packageJsonFilePath, JSON.stringify(packageJsonValue, /*replacer:*/ undefined, /*space:*/ 4))
sys.writeFile(tsFilePath, modifiedTsFileContents);
}
function updateTsFile(tsFilePath: string, tsFileContents: string, majorMinor: string, patch: string, nightlyPatch: string): string {
const majorMinorRgx = /export const versionMajorMinor = "(\d+\.\d+)"/;
const majorMinorMatch = majorMinorRgx.exec(tsFileContents);
ts.Debug.assert(majorMinorMatch !== null, "", () => `The file seems to no longer have a string matching '${majorMinorRgx}'.`);
const parsedMajorMinor = majorMinorMatch[1];
ts.Debug.assert(parsedMajorMinor === majorMinor, "versionMajorMinor does not match.", () => `${tsFilePath}: '${parsedMajorMinor}'; package.json: '${majorMinor}'`);
const versionRgx = /export const version = `\$\{versionMajorMinor\}\.(\d)`;/;
const patchMatch = versionRgx.exec(tsFileContents);
ts.Debug.assert(patchMatch !== null, "The file seems to no longer have a string matching", () => versionRgx.toString());
const parsedPatch = patchMatch[1];
if (parsedPatch !== patch) {
throw new Error(`patch does not match. ${tsFilePath}: '${parsedPatch}; package.json: '${patch}'`);
}
return tsFileContents.replace(versionRgx, `export const version = \`\${versionMajorMinor}.${nightlyPatch}\`;`);
}
function parsePackageJsonVersion(versionString: string): { majorMinor: string, patch: string } {
const versionRgx = /(\d+\.\d+)\.(\d+)($|\-)/;
const match = versionString.match(versionRgx);
ts.Debug.assert(match !== null, "package.json 'version' should match", () => versionRgx.toString());
return { majorMinor: match[1], patch: match[2] };
}
/** e.g. 0-dev.20170707 */
function getNightlyPatch(plainPatch: string): string {
// We're going to append a representation of the current time at the end of the current version.
// String.prototype.toISOString() returns a 24-character string formatted as 'YYYY-MM-DDTHH:mm:ss.sssZ',
// but we'd prefer to just remove separators and limit ourselves to YYYYMMDD.
// UTC time will always be implicit here.
const now = new Date();
const timeStr = now.toISOString().replace(/:|T|\.|-/g, "").slice(0, 8);
return `${plainPatch}-dev.${timeStr}`;
}
main();