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Simplify by removing diff feature. Now just writes each template as an independent copy.

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This commit is contained in:
SteveSandersonMS
2016-04-28 14:34:47 +01:00
parent 1830c20212
commit fc705e8bf8
4 changed files with 6 additions and 117 deletions
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59
templates/yeoman/src/CreateGenerator.ts
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@@ -1,10 +1,8 @@
import * as yeoman from 'yeoman-generator';
import * as glob from 'glob';
import * as gitignore from 'gitignore-parser';
import * as fs from 'fs';
import * as path from 'path';
import * as _ from 'lodash';
import * as diff from 'diff';
import * as mkdirp from 'mkdirp';
import * as rimraf from 'rimraf';
@@ -33,63 +31,18 @@ function listFilesExcludingGitignored(root: string): string[] {
.filter(fn => gitignoreEvaluator.accepts(fn));
}
function writeCommonFiles(outDir: string) {
let filesByTemplate = _.mapValues(templates, listFilesExcludingGitignored);
let commonFiles = _.intersection.apply(_, _.values(filesByTemplate));
commonFiles.forEach(fn => {
let templateRoots = _.values(templates);
let origContent = fs.readFileSync(path.join(templateRoots[0], fn));
if (isTextFile(fn)) {
// For text files, we copy the portion that's common to all the templates
let commonText = origContent.toString('utf8');
templateRoots.slice(1).forEach(otherTemplateRoot => {
let otherTemplateContent = fs.readFileSync(path.join(otherTemplateRoot, fn), 'utf8');
commonText = diff.diffLines(commonText, otherTemplateContent)
.filter(c => !(c.added || c.removed))
.map(c => c.value)
.join('');
});
writeFileEnsuringDirExists(outDir, fn, commonText);
} else {
// For binary (or maybe-binary) files, we only consider them common if they are identical across all templates
let isIdenticalEverywhere = !templateRoots.slice(1).some(otherTemplateRoot => {
return !fs.readFileSync(path.join(otherTemplateRoot, fn)).equals(origContent);
});
if (isIdenticalEverywhere) {
writeFileEnsuringDirExists(outDir, fn, origContent);
}
}
});
}
function writeDiffsForTemplate(sourceRoot: string, destRoot: string, commonRoot: string) {
function writeTemplate(sourceRoot: string, destRoot: string) {
listFilesExcludingGitignored(sourceRoot).forEach(fn => {
const commonFn = path.join(commonRoot, fn);
const sourceContent = fs.readFileSync(path.join(sourceRoot, fn));
if (!fs.existsSync(commonFn)) {
// This file is unique to this template - just copy as-is
writeFileEnsuringDirExists(destRoot, fn, sourceContent);
} else {
let commonText = fs.readFileSync(commonFn, 'utf8');
let sourceText = sourceContent.toString('utf8');
if (commonText !== sourceText) {
// Write a diff vs the common version of this file
let fileDiff = diff.createPatch(fn, commonText, sourceText, null, null);
writeFileEnsuringDirExists(destRoot, fn + '.patch', fileDiff);
}
}
});
const sourceContent = fs.readFileSync(path.join(sourceRoot, fn));
writeFileEnsuringDirExists(destRoot, fn, sourceContent);
});
}
const outputRoot = './generator-aspnet-spa';
const commonRoot = path.join(outputRoot, 'templates/common');
rimraf.sync(outputRoot);
writeCommonFiles(commonRoot);
_.forEach(templates, (templateRootDir, templateName) => {
writeDiffsForTemplate(templateRootDir, path.join(outputRoot, 'templates', templateName), commonRoot);
const outputDir = path.join(outputRoot, 'templates', templateName);
writeTemplate(templateRootDir, outputDir);
});