Initial work on image conversion

This commit is contained in:
Valerii Iatsko 2018-07-27 11:48:46 +02:00
parent e3224bd7d8
commit ee72e64bf8
6 changed files with 2145 additions and 1 deletions

1
.gitignore vendored Normal file
View File

@ -0,0 +1 @@
node_modules

5
.prettierrc Normal file
View File

@ -0,0 +1,5 @@
{
"semi": true,
"singleQuote": true,
"trailingComma": "es5"
}

23
.vscode/settings.json vendored Normal file
View File

@ -0,0 +1,23 @@
{
// Enable per-language
"[javascript]": {
"editor.formatOnSave": true
},
// ESLint packageManager
"eslint.packageManager": "yarn",
// Excludes
"files.exclude": {
"**/.cache": true,
"**/.idea": true,
"**/.git": true,
"**/.svn": true,
"**/.hg": true,
"**/CVS": true,
"**/.DS_Store": true
},
"search.exclude": {
"**/public": true
}
}

View File

@ -5,5 +5,13 @@
"repository": "git@github.com:viatsko/awesome-vscode.git", "repository": "git@github.com:viatsko/awesome-vscode.git",
"author": "Valerii Iatsko <viatsko@viatsko.me>", "author": "Valerii Iatsko <viatsko@viatsko.me>",
"license": "CC0-1.0", "license": "CC0-1.0",
"private": true "private": true,
"scripts": {
"scripts:download-convert-images": "node ./scripts/download-convert-images.js"
},
"dependencies": {
"gifsicle": "^3.0.4",
"node-fetch": "^2.2.0",
"sharp": "^0.20.5"
}
} }

View File

@ -0,0 +1,112 @@
const { spawn } = require('child_process');
const fs = require('fs');
const gifsicle = require('gifsicle');
const fetch = require('node-fetch');
const path = require('path');
const sharp = require('sharp');
const url = require('url');
/* regex, used to find all external image links in README.md */
const imagesRegEx = new RegExp('(https?://.*.(?:png|jpe?g|gif))', 'ig');
/* calculating paths */
const root = path.join(__dirname, '..');
const imagesPath = path.join(root, 'extensions', 'screenshots');
const readmeFile = path.join(root, 'README.md');
/* returns an array of external images in a file */
const findExternalImageLinks = filename => {
const contents = fs.readFileSync(filename, {
encoding: 'UTF-8',
});
const result = [];
let m;
while ((m = imagesRegEx.exec(contents))) {
result.push(m[0]);
}
return result;
};
const getBasename = link => {
return path.basename(url.parse(link).pathname);
};
const convertGif = async filename => {
const absolutePath = path.resolve(filename);
return new Promise((resolve, reject) => {
const gifStream = spawn(gifsicle, [
'--resize-fit-width',
'600',
absolutePath,
]);
const fileStream = fs.createWriteStream(
`${absolutePath.substr(0, absolutePath.lastIndexOf('.'))}`
);
gifStream.stdout.pipe(fileStream);
fileStream.on('finish', () => {
resolve();
});
});
};
const convertSharp = async filename => {
const absolutePath = path.resolve(filename);
return sharp(filename)
.resize(600)
.toFile(absolutePath.substr(0, absolutePath.lastIndexOf('.')));
};
(async () => {
const externalImageLinks = findExternalImageLinks(readmeFile);
for (const link of externalImageLinks) {
/* assuming that links within this repo don't need any convertation */
if (
link.indexOf(
'https://raw.githubusercontent.com/viatsko/awesome-vscode'
) !== -1
) {
continue;
}
/* getting just a filename out of a link */
const basename = getBasename(link).toLowerCase();
/* localPath is where the file will be stored in this repo */
const localPath = `${path.join(imagesPath, basename)}.tmp`;
/* downloading file */
const res = await fetch(link);
await new Promise((resolve, reject) => {
const fileStream = fs.createWriteStream(localPath);
res.body.pipe(fileStream);
res.body.on('error', err => {
reject(err);
});
fileStream.on('finish', function() {
resolve();
});
});
process.stdout.write(`Downloaded ${link}\n`);
if (/gif$/i.test(basename)) {
await convertGif(localPath);
process.stdout.write(`Converted .gif ${link}\n`);
} else {
await convertSharp(localPath);
process.stdout.write(`Converted using sharp ${link}\n`);
}
}
})();

1995
yarn.lock Normal file

File diff suppressed because it is too large Load Diff