mirror of https://github.com/node-red/node-red.git
132 lines
3.7 KiB
JavaScript
132 lines
3.7 KiB
JavaScript
#!/usr/bin/env node
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// This script can be used to build custom colour-scheme css files.
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//
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// 1. Create a copy of packages/node_modules/@node-red/editor-client/src/sass/colors.scss
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// and change the values to the desired colours.
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//
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// 2. Run this script, providing the path to the custom file using the --in option
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//
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// 3. Save the output of the script to a file - either redirect its output,
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// or use the --out option.
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//
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// 4. Edit your settings file to set the theme:
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// editorTheme: {
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// page: {
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// css: "/path/to/file/generated/by/this/script"
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// }
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// }
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//
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// 5. Restart Node-RED
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//
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const os = require("os");
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const nopt = require("nopt");
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const path = require("path");
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const fs = require("fs-extra");
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const sass = require("sass");
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const knownOpts = {
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"help": Boolean,
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"long": Boolean,
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"in": [path],
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"out": [path]
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};
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const shortHands = {
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"?":["--help"]
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};
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nopt.invalidHandler = function(k,v,t) {}
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const parsedArgs = nopt(knownOpts,shortHands,process.argv,2)
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if (parsedArgs.help) {
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console.log("Usage: build-custom-theme [-?] [--in FILE] [--out FILE]");
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console.log("");
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console.log("Options:");
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console.log(" --in FILE Custom colors sass file");
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console.log(" --out FILE Where you write the result");
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console.log(" --long Do not compress the output");
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console.log(" -?, --help Show this help");
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console.log("");
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process.exit();
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}
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const ruleRegex = /(\$.*?) *: *(\S[\S\s]*?);/g;
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var match;
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const customColors = {};
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if (parsedArgs.in && fs.existsSync(parsedArgs.in)) {
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let customColorsFile = fs.readFileSync(parsedArgs.in,"utf-8");
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while((match = ruleRegex.exec(customColorsFile)) !== null) {
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customColors[match[1]] = match[2];
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}
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}
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// Load base colours
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let colorsFile = fs.readFileSync(path.join(__dirname,"../packages/node_modules/@node-red/editor-client/src/sass/colors.scss"),"utf-8")
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let updatedColors = [];
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while((match = ruleRegex.exec(colorsFile)) !== null) {
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updatedColors.push(match[1]+": "+(customColors[match[1]]||match[2])+";")
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}
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(async function() {
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const tmpDir = os.tmpdir();
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const workingDir = await fs.mkdtemp(`${tmpDir}${path.sep}`);
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await fs.copy(path.join(__dirname,"../packages/node_modules/@node-red/editor-client/src/sass/"),workingDir)
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await fs.writeFile(path.join(workingDir,"colors.scss"),updatedColors.join("\n"))
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const result = sass.renderSync({
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outputStyle: "expanded",
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file: path.join(workingDir,"style-custom-theme.scss"),
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});
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const css = result.css.toString()
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const lines = css.split("\n");
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const colorCSS = []
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const nonColorCSS = [];
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let inKeyFrameBlock = false;
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lines.forEach(l => {
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if (inKeyFrameBlock) {
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nonColorCSS.push(l);
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if (/^}/.test(l)) {
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inKeyFrameBlock = false;
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}
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} else if (/^@keyframes/.test(l)) {
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nonColorCSS.push(l);
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inKeyFrameBlock = true;
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} else if (!/^ /.test(l)) {
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colorCSS.push(l);
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nonColorCSS.push(l);
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} else if (/color|border|background|fill|stroke|outline|box-shadow/.test(l)) {
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colorCSS.push(l);
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} else {
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nonColorCSS.push(l);
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}
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});
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const nrPkg = require("../package.json");
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const now = new Date().toISOString();
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const header = `/*
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* Theme generated with Node-RED ${nrPkg.version} on ${now}
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*/`;
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var output = sass.renderSync({outputStyle: parsedArgs.long?"expanded":"compressed",data:colorCSS.join("\n")});
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if (parsedArgs.out) {
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await fs.writeFile(parsedArgs.out,header+"\n"+output.css);
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} else {
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console.log(header);
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console.log(output.css.toString());
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}
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await fs.remove(workingDir);
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})()
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