install-nix-action/node_modules/cssstyle/scripts/download_latest_properties.js
Domen Kožar 70742d22d9
v6
2019-11-19 17:50:30 +01:00

88 lines
2.8 KiB
JavaScript

'use strict';
/*
* W3C provides JSON list of all CSS properties and their status in the standard
*
* documentation: https://www.w3.org/Style/CSS/all-properties.en.html
* JSON url: ( https://www.w3.org/Style/CSS/all-properties.en.json )
*
* Download that file, filter out duplicates and filter the properties based on the wanted standard level
*
* ED - Editors' Draft (not a W3C Technical Report)
* FPWD - First Public Working Draft
* WD - Working Draft
* LC - Last Call Working Draft
* CR - Candidate Recommendation
* PR - Proposed Recommendation
* REC - Recommendation
* NOTE - Working Group Note
*/
var fs = require('fs');
var path = require('path');
var request = require('request');
const { camelToDashed } = require('../lib/parsers');
var url = 'https://www.w3.org/Style/CSS/all-properties.en.json';
console.log('Downloading CSS properties...');
function toCamelCase(propName) {
return propName.replace(/-([a-z])/g, function(g) {
return g[1].toUpperCase();
});
}
request(url, function(error, response, body) {
if (!error && response.statusCode === 200) {
var allCSSProperties = JSON.parse(body);
// Filter out all properties newer than Working Draft
var workingDraftAndOlderProperties = allCSSProperties.filter(function(cssProp) {
// TODO: --* css Needs additional logic to this module, so filter it out for now
return cssProp.status !== 'ED' && cssProp.status !== 'FPWD' && cssProp.property !== '--*';
});
// Remove duplicates, there can be many properties in different states of standard
// and add only property names to the list
var CSSpropertyNames = [];
workingDraftAndOlderProperties.forEach(function(cssProp) {
const camelCaseName = toCamelCase(cssProp.property);
if (CSSpropertyNames.indexOf(camelCaseName) === -1) {
CSSpropertyNames.push(camelCaseName);
}
});
var out_file = fs.createWriteStream(path.resolve(__dirname, './../lib/allProperties.js'), {
encoding: 'utf-8',
});
var date_today = new Date();
out_file.write(
"'use strict';\n\n// autogenerated - " +
(date_today.getMonth() + 1 + '/' + date_today.getDate() + '/' + date_today.getFullYear()) +
'\n\n'
);
out_file.write('/*\n *\n * https://www.w3.org/Style/CSS/all-properties.en.html\n */\n\n');
out_file.write('var allProperties = new Set();\n');
out_file.write('module.exports = allProperties;\n');
CSSpropertyNames.forEach(function(property) {
out_file.write('allProperties.add(' + JSON.stringify(camelToDashed(property)) + ');\n');
});
out_file.end(function(err) {
if (err) {
throw err;
}
console.log('Generated ' + Object.keys(CSSpropertyNames).length + ' properties.');
});
} else {
throw error;
}
});