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Copy pathconfigureNightly.ts
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73 lines (59 loc) · 3 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 packageJsonContents = sys.readFile(packageJsonFilePath);
const packageJsonValue: PackageJson = JSON.parse(packageJsonContents);
const nightlyVersion = getNightlyVersionString(packageJsonValue.version);
// Modify the package.json structure
packageJsonValue.version = nightlyVersion;
// Acquire and modify the source file that exposes the version string.
const tsFilePath = ts.normalizePath(sys.args[1]);
const tsFileContents = sys.readFile(tsFilePath);
const versionAssignmentRegExp = /export\s+const\s+version\s+=\s+".*";/;
const modifiedTsFileContents = tsFileContents.replace(versionAssignmentRegExp, `export const version = "${nightlyVersion}";`);
// Ensure we are actually changing something - the user probably wants to know that the update failed.
if (tsFileContents === modifiedTsFileContents) {
let err = `\n '${tsFilePath}' was not updated while configuring for a nightly publish.\n `;
if (tsFileContents.match(versionAssignmentRegExp)) {
err += `Ensure that you have not already run this script; otherwise, erase your changes using 'git checkout -- "${tsFilePath}"'.`;
}
else {
err += `The file seems to no longer have a string matching '${versionAssignmentRegExp}'.`;
}
throw err + "\n";
}
// Finally write the changes to disk.
sys.writeFile(packageJsonFilePath, JSON.stringify(packageJsonValue, /*replacer:*/ undefined, /*space:*/ 4))
sys.writeFile(tsFilePath, modifiedTsFileContents);
}
function getNightlyVersionString(versionString: string): string {
// If the version string already contains "-nightly",
// then get the base string and update based on that.
const dashNightlyPos = versionString.indexOf("-dev");
if (dashNightlyPos >= 0) {
versionString = versionString.slice(0, dashNightlyPos);
}
// 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 `${versionString}-dev.${timeStr}`;
}
main();