78 lines
2.1 KiB
TypeScript
78 lines
2.1 KiB
TypeScript
import { readFileSync, writeFileSync } from 'fs';
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import Handlebars from 'handlebars';
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import mkdirp from 'mkdirp';
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import Bundler from 'parcel-bundler';
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import { dirname, join } from 'path';
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import ProgressBar from 'progress';
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import rimraf from 'rimraf';
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import { range } from 'underscore';
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const BUILD_DIR = join(__dirname, 'build');
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const SRC_DIR = join(__dirname, 'src');
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const PROGRESS_BAR_FORMAT = '[:bar] :rate/ps :percent :current/:total';
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const MAX_VALUE = process.env.MAX_VALUE
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? parseInt(process.env.MAX_VALUE, 10)
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: 10;
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const BUNDLER_OPTIONS = {
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outDir: BUILD_DIR,
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watch: false,
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minify: true,
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};
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function statusOutput(message: string) {
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console.log('> ' + message + '...');
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}
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function isPrecision(value: number, precision: number) {
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return parseFloat(value.toFixed(precision)) === value;
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}
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function writeTemplate(
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template: HandlebarsTemplateDelegate,
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value: string,
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context: any
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) {
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const outputFile = join(BUILD_DIR, value, 'index.html');
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mkdirp.sync(dirname(outputFile));
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writeFileSync(outputFile, template(context));
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}
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(async function() {
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rimraf.sync(BUILD_DIR);
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statusOutput('Creating template');
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const bundler = new Bundler(join(SRC_DIR, 'template.html'), BUNDLER_OPTIONS);
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await bundler.bundle();
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statusOutput('Compiling HTML template');
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const template = Handlebars.compile(
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readFileSync(join(BUILD_DIR, 'template.html')).toString()
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);
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const possibleValues = range(0, MAX_VALUE, 0.01);
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const bar = new ProgressBar(PROGRESS_BAR_FORMAT, {
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total: possibleValues.length,
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width: 40,
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});
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statusOutput('Generating pages');
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possibleValues.forEach(i => {
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if (i) {
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const value = parseFloat(i.toFixed(2));
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const context = {
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value: value.toFixed(2),
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};
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writeTemplate(template, value.toString(), context);
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if (isPrecision(value, 1)) {
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writeTemplate(template, value.toString() + '0', context);
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}
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if (isPrecision(value, 0)) {
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writeTemplate(template, value.toString() + '.0', context);
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writeTemplate(template, value.toString() + '.00', context);
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}
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}
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bar.tick();
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});
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writeTemplate(template, '', {value: ''});
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})();
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