Refactor prepublish script to use template file for icon objects (#1547)

* Refactor prepublish script to use template file for icon objects

... to hopefully increase readability

* Fix build and test issues

* Add missing semi-colon

* Explicitly check for errors when writing individual static .js files
This commit is contained in:
Eric Cornelissen 2019-08-15 13:23:35 +02:00 committed by Johan Fagerberg
parent 96a8ab301b
commit 87ab9c43a7
2 changed files with 36 additions and 9 deletions

View file

@ -11,10 +11,17 @@ const fs = require("fs");
const util = require("util");
const minify = require("uglify-js").minify;
const UTF8 = "utf8";
const dataFile = "../_data/simple-icons.json";
const indexFile = `${__dirname}/../index.js`;
const iconsDir = `${__dirname}/../icons`;
const indexTemplateFile = `${__dirname}/templates/index.js`;
const iconObjectTemplateFile = `${__dirname}/templates/icon-object.js`;
const indexTemplate = fs.readFileSync(indexTemplateFile, UTF8);
const iconObjectTemplate = fs.readFileSync(iconObjectTemplateFile, UTF8);
const data = require(dataFile);
const { titleToFilename } = require("./utils");
@ -27,27 +34,37 @@ function iconToKeyValue(icon) {
return `'${icon.title}':${iconToObject(icon)}`;
}
function iconToObject(icon) {
return `{title:'${escape(icon.title)}',slug:'${escape(icon.slug)}',svg:'${escape(icon.svg)}',get path(){return this.svg.match(/<path\\s+d="([^"]*)/)[1];},source:'${escape(icon.source)}',hex:'${icon.hex}'}`;
return util.format(iconObjectTemplate,
escape(icon.title),
escape(icon.slug),
escape(icon.svg),
escape(icon.source),
escape(icon.hex)
);
}
// 'main'
const icons = [];
data.icons.forEach(icon => {
const filename = titleToFilename(icon.title);
icon.svg = fs.readFileSync(`${iconsDir}/${filename}.svg`, "utf8");
icon.svg = fs.readFileSync(`${iconsDir}/${filename}.svg`, UTF8);
icon.slug = filename;
icons.push(icon)
icons.push(icon);
// write the static .js file for the icon
fs.writeFileSync(
`${iconsDir}/${filename}.js`,
`module.exports=${iconToObject(icon)};`
);
const { error, code } = minify(`module.exports=${iconToObject(icon)};`);
if (error) {
console.error(error);
process.exit(1);
} else {
fs.writeFileSync(`${iconsDir}/${filename}.js`, code);
}
});
// write our generic index.js
const indexTemplate = fs.readFileSync(indexTemplateFile, "utf8");
const { error, code } = minify(util.format(indexTemplate, icons.map(iconToKeyValue).join(',')));
const rawIndexJs = util.format(indexTemplate, icons.map(iconToKeyValue).join(','));
const { error, code } = minify(rawIndexJs);
if (error) {
console.error(error);
process.exit(1);

View file

@ -0,0 +1,10 @@
{
title: '%s',
slug: '%s',
svg: '%s',
get path() {
return this.svg.match(/<path\s+d="([^"]*)/)[1];
},
source: '%s',
hex: '%s',
}