69 lines
2.0 KiB
Plaintext
69 lines
2.0 KiB
Plaintext
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import * as fs from "fs-extra";
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import path from "path";
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import { PreState } from "@changesets/types";
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import { getPackages } from "@manypkg/get-packages";
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import {
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PreExitButNotInPreModeError,
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PreEnterButInPreModeError,
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} from "@changesets/errors";
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export async function readPreState(cwd: string): Promise<PreState | undefined> {
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let preStatePath = path.resolve(cwd, ".changeset", "pre.json");
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// TODO: verify that the pre state isn't broken
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let preState: PreState | undefined;
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try {
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let contents = await fs.readFile(preStatePath, "utf8");
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try {
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preState = JSON.parse(contents);
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} catch (err) {
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if (err instanceof SyntaxError) {
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console.error("error parsing json:", contents);
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}
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throw err;
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}
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} catch (err) {
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if ((err as any).code !== "ENOENT") {
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throw err;
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}
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}
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return preState;
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}
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export async function exitPre(cwd: string) {
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let preStatePath = path.resolve(cwd, ".changeset", "pre.json");
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// TODO: verify that the pre state isn't broken
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let preState = await readPreState(cwd);
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if (preState === undefined) {
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throw new PreExitButNotInPreModeError();
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}
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await fs.outputFile(
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preStatePath,
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JSON.stringify({ ...preState, mode: "exit" }, null, 2) + "\n"
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);
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}
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export async function enterPre(cwd: string, tag: string) {
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let packages = await getPackages(cwd);
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let preStatePath = path.resolve(packages.root.dir, ".changeset", "pre.json");
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let preState: PreState | undefined = await readPreState(packages.root.dir);
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// can't reenter if pre mode still exists, but we should allow exited pre mode to be reentered
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if (preState?.mode === "pre") {
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throw new PreEnterButInPreModeError();
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}
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let newPreState: PreState = {
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mode: "pre",
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tag,
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initialVersions: {},
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changesets: preState?.changesets ?? [],
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};
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for (let pkg of packages.packages) {
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newPreState.initialVersions[pkg.packageJson.name] = pkg.packageJson.version;
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}
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await fs.outputFile(
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preStatePath,
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JSON.stringify(newPreState, null, 2) + "\n"
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);
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}
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