cli: remove old diff implementation

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>
This commit is contained in:
Patrik Oldsberg
2024-09-21 12:52:33 +02:00
parent 84097c7da0
commit 4e771ba2d0
5 changed files with 0 additions and 586 deletions
-354
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@@ -1,354 +0,0 @@
/*
* Copyright 2020 The Backstage 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.
*/
import chalk from 'chalk';
import { diffLines } from 'diff';
import { sep, posix } from 'path';
import { FileDiff, PromptFunc, FileHandler, WriteFileFunc } from './types';
function sortObjectKeys(obj: Record<string, unknown>) {
const sortedKeys = Object.keys(obj).sort();
for (const key of sortedKeys) {
const value = obj[key];
delete obj[key];
obj[key] = value;
}
}
class PackageJsonHandler {
static async handler(
{ path, write, missing, targetContents, templateContents }: FileDiff,
prompt: PromptFunc,
variant?: string,
) {
console.log('Checking package.json');
if (missing) {
throw new Error(`${path} doesn't exist`);
}
const pkg = JSON.parse(templateContents);
const targetPkg = JSON.parse(targetContents);
const handler = new PackageJsonHandler(
write,
prompt,
pkg,
targetPkg,
variant,
);
await handler.handle();
}
static async appHandler(file: FileDiff, prompt: PromptFunc) {
return PackageJsonHandler.handler(file, prompt, 'app');
}
constructor(
private readonly writeFunc: WriteFileFunc,
private readonly prompt: PromptFunc,
private readonly pkg: any,
private readonly targetPkg: any,
private readonly variant?: string,
) {}
async handle() {
await this.syncField('main');
if (this.variant !== 'app') {
await this.syncField('main:src');
}
await this.syncField('types');
await this.syncFiles();
await this.syncScripts();
await this.syncPublishConfig();
await this.syncDependencies('dependencies');
await this.syncDependencies('peerDependencies', true);
await this.syncDependencies('devDependencies');
await this.syncReactDeps();
}
// Make sure a field inside package.json is in sync. This mutates the targetObj and writes package.json on change.
private async syncField(
fieldName: string,
obj: any = this.pkg,
targetObj: any = this.targetPkg,
prefix?: string,
sort?: boolean,
optional?: boolean,
) {
const fullFieldName = chalk.cyan(
prefix ? `${prefix}[${fieldName}]` : fieldName,
);
const newValue = obj[fieldName];
const coloredNewValue = chalk.cyan(JSON.stringify(newValue));
if (fieldName in targetObj) {
const oldValue = targetObj[fieldName];
if (JSON.stringify(oldValue) === JSON.stringify(newValue)) {
return;
}
const coloredOldValue = chalk.cyan(JSON.stringify(oldValue));
const msg = `package.json has mismatched field, ${fullFieldName}, change from ${coloredOldValue} to ${coloredNewValue}?`;
if (await this.prompt(msg)) {
targetObj[fieldName] = newValue;
if (sort) {
sortObjectKeys(targetObj);
}
await this.write();
}
} else if (fieldName in obj && optional !== true) {
if (
await this.prompt(
`package.json is missing field ${fullFieldName}, set to ${coloredNewValue}?`,
)
) {
targetObj[fieldName] = newValue;
if (sort) {
sortObjectKeys(targetObj);
}
await this.write();
}
}
}
private async syncFiles() {
const { configSchema } = this.targetPkg;
const hasSchemaFile = typeof configSchema === 'string';
if (!this.targetPkg.files) {
const expected = hasSchemaFile ? ['dist', configSchema] : ['dist'];
if (
await this.prompt(
`package.json is missing field "files", set to ${JSON.stringify(
expected,
)}?`,
)
) {
this.targetPkg.files = expected;
await this.write();
}
} else {
const missing = [];
if (!this.targetPkg.files.includes('dist')) {
missing.push('dist');
}
if (hasSchemaFile && !this.targetPkg.files.includes(configSchema)) {
missing.push(configSchema);
}
if (missing.length) {
if (
await this.prompt(
`package.json is missing ${JSON.stringify(
missing,
)} in the "files" field, add?`,
)
) {
this.targetPkg.files.push(...missing);
await this.write();
}
}
}
}
private async syncScripts() {
const pkgScripts = this.pkg.scripts;
const targetScripts = (this.targetPkg.scripts =
this.targetPkg.scripts || {});
if (!pkgScripts) {
return;
}
// Skip diffing package scripts that have been migrated to the new commands
const hasNewScript = Object.values(targetScripts).some(script =>
String(script).includes('backstage-cli package '),
);
if (hasNewScript) {
return;
}
for (const key of Object.keys(pkgScripts)) {
await this.syncField(key, pkgScripts, targetScripts, 'scripts');
}
}
private async syncPublishConfig() {
const pkgPublishConf = this.pkg.publishConfig;
const targetPublishConf = this.targetPkg.publishConfig;
// If template doesn't have a publish config we're done
if (!pkgPublishConf) {
return;
}
// Publish config can be removed the the target, skip in that case
if (!targetPublishConf) {
if (await this.prompt('Missing publishConfig, do you want to add it?')) {
this.targetPkg.publishConfig = pkgPublishConf;
await this.write();
}
return;
}
for (const key of Object.keys(pkgPublishConf)) {
// Don't want to mess with peoples internal setup
if (!['access', 'registry'].includes(key)) {
await this.syncField(
key,
pkgPublishConf,
targetPublishConf,
'publishConfig',
);
}
}
}
private async syncDependencies(fieldName: string, required: boolean = false) {
const pkgDeps = this.pkg[fieldName];
const targetDeps = (this.targetPkg[fieldName] =
this.targetPkg[fieldName] || {});
if (!pkgDeps && !required) {
return;
}
// Hardcoded removal of these during migration
await this.syncField('@backstage/core', {}, targetDeps, fieldName, true);
await this.syncField(
'@backstage/core-api',
{},
targetDeps,
fieldName,
true,
);
for (const key of Object.keys(pkgDeps)) {
if (this.variant === 'app' && key.startsWith('plugin-')) {
continue;
}
await this.syncField(
key,
pkgDeps,
targetDeps,
fieldName,
true,
!required,
);
}
}
private async syncReactDeps() {
const targetDeps = (this.targetPkg.dependencies =
this.targetPkg.dependencies || {});
// Remove these from from deps since they're now in peerDeps
await this.syncField('react', {}, targetDeps, 'dependencies');
await this.syncField('react-dom', {}, targetDeps, 'dependencies');
}
private async write() {
await this.writeFunc(`${JSON.stringify(this.targetPkg, null, 2)}\n`);
}
}
// Make sure the file is an exact match of the template
async function exactMatchHandler(
{ path, write, missing, targetContents, templateContents }: FileDiff,
prompt: PromptFunc,
) {
console.log(`Checking ${path}`);
const coloredPath = chalk.cyan(path);
if (missing) {
if (await prompt(`Missing ${coloredPath}, do you want to add it?`)) {
await write(templateContents);
}
return;
}
if (targetContents === templateContents) {
return;
}
const diffs = diffLines(targetContents, templateContents);
for (const diff of diffs) {
if (diff.added) {
process.stdout.write(chalk.green(`+${diff.value}`));
} else if (diff.removed) {
process.stdout.write(chalk.red(`-${diff.value}`));
} else {
process.stdout.write(` ${diff.value}`);
}
}
if (
await prompt(
`Outdated ${coloredPath}, do you want to apply the above patch?`,
)
) {
await write(templateContents);
}
}
// Adds the file if it is missing, but doesn't check existing files
async function existsHandler(
{ path, write, missing, templateContents }: FileDiff,
prompt: PromptFunc,
) {
console.log(`Making sure ${path} exists`);
const coloredPath = chalk.cyan(path);
if (missing) {
if (await prompt(`Missing ${coloredPath}, do you want to add it?`)) {
await write(templateContents);
}
return;
}
}
async function skipHandler({ path }: FileDiff) {
console.log(`Skipping ${path}`);
}
export const handlers = {
skip: skipHandler,
exists: existsHandler,
exactMatch: exactMatchHandler,
packageJson: PackageJsonHandler.handler,
appPackageJson: PackageJsonHandler.appHandler,
};
export async function handleAllFiles(
fileHandlers: FileHandler[],
files: FileDiff[],
promptFunc: PromptFunc,
) {
for (const file of files) {
const path = file.path.split(sep).join(posix.sep);
const fileHandler = fileHandlers.find(handler =>
handler.patterns.some(pattern =>
typeof pattern === 'string' ? pattern === path : pattern.test(path),
),
);
if (fileHandler) {
await fileHandler.handler(file, promptFunc);
} else {
throw new Error(`No template file handler found for ${path}`);
}
}
}
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@@ -1,20 +0,0 @@
/*
* Copyright 2020 The Backstage 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.
*/
export * from './handlers';
export * from './prompts';
export * from './read';
export * from './types';
-53
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@@ -1,53 +0,0 @@
/*
* Copyright 2020 The Backstage 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.
*/
import chalk from 'chalk';
import inquirer from 'inquirer';
import { PromptFunc } from './types';
export const inquirerPromptFunc: PromptFunc = async msg => {
const { result } = await inquirer.prompt({
type: 'confirm',
name: 'result',
message: chalk.blue(msg),
});
return result;
};
export const makeCheckPromptFunc = () => {
let failed = false;
const promptFunc: PromptFunc = async msg => {
failed = true;
console.log(chalk.red(`[Check Failed] ${msg}`));
return false;
};
const finalize = () => {
if (failed) {
throw new Error(
'Check failed, the plugin is not in sync with the latest template',
);
}
};
return [promptFunc, finalize] as const;
};
export const yesPromptFunc: PromptFunc = async msg => {
console.log(`Accepting: "${msg}"`);
return true;
};
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@@ -1,120 +0,0 @@
/*
* Copyright 2020 The Backstage 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.
*/
import fs from 'fs-extra';
import {
dirname,
resolve as resolvePath,
relative as relativePath,
} from 'path';
import handlebars from 'handlebars';
import recursiveReadDir from 'recursive-readdir';
import { paths } from '../paths';
import { FileDiff } from './types';
import { createPackageVersionProvider } from '../../lib/version';
export type TemplatedFile = {
path: string;
contents: string;
};
async function readTemplateFile(
templateFile: string,
templateVars: any,
): Promise<string> {
const contents = await fs.readFile(templateFile, 'utf8');
if (!templateFile.endsWith('.hbs')) {
return contents;
}
const packageVersionProvider = createPackageVersionProvider(undefined);
return handlebars.compile(contents)(templateVars, {
helpers: {
versionQuery(name: string, hint: string | unknown) {
return packageVersionProvider(
name,
typeof hint === 'string' ? hint : undefined,
);
},
},
});
}
async function readTemplate(
templateDir: string,
templateVars: any,
): Promise<TemplatedFile[]> {
const templateFilePaths = await recursiveReadDir(templateDir).catch(error => {
throw new Error(`Failed to read template directory: ${error.message}`);
});
const templatedFiles = new Array<TemplatedFile>();
for (const templateFile of templateFilePaths) {
const path = relativePath(templateDir, templateFile).replace(/\.hbs$/, '');
const contents = await readTemplateFile(templateFile, templateVars);
templatedFiles.push({ path, contents });
}
return templatedFiles;
}
async function diffTemplatedFiles(
targetDir: string,
templatedFiles: TemplatedFile[],
): Promise<FileDiff[]> {
const fileDiffs = new Array<FileDiff>();
for (const { path, contents: templateContents } of templatedFiles) {
const targetPath = resolvePath(targetDir, path);
const targetExists = await fs.pathExists(targetPath);
const write = async (contents: string) => {
await fs.ensureDir(dirname(targetPath));
await fs.writeFile(targetPath, contents, 'utf8');
};
if (targetExists) {
const targetContents = await fs.readFile(targetPath, 'utf8');
fileDiffs.push({
path,
write,
missing: false,
targetContents,
templateContents,
});
} else {
fileDiffs.push({
path,
write,
missing: true,
targetContents: '',
templateContents,
});
}
}
return fileDiffs;
}
// Read all template files for a given template, along with all matching files in the target dir
export async function diffTemplateFiles(template: string, templateData: any) {
const templateDir = paths.resolveOwn('templates', template);
const templatedFiles = await readTemplate(templateDir, templateData);
const fileDiffs = await diffTemplatedFiles(paths.targetDir, templatedFiles);
return fileDiffs;
}
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@@ -1,39 +0,0 @@
/*
* Copyright 2020 The Backstage 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.
*/
export type WriteFileFunc = (contents: string) => Promise<void>;
export type FileDiff = {
// Relative path within the target directory
path: string;
// Whether the target file exists in the target directory.
missing: boolean;
// Contents of the file in the target directory, or an empty string if the file is missing.
targetContents: string;
// Contents of the compiled template file
templateContents: string;
// Write new contents to the target file
write: WriteFileFunc;
};
export type PromptFunc = (msg: string) => Promise<boolean>;
export type HandlerFunc = (file: FileDiff, prompt: PromptFunc) => Promise<void>;
export type FileHandler = {
patterns: Array<string | RegExp>;
handler: HandlerFunc;
};