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givemoneyto.me/index.ts

120 lines
3 KiB
TypeScript

import { readFileSync, writeFileSync } from 'fs';
import glob from 'glob';
import Handlebars from 'handlebars';
import jsyaml from 'js-yaml';
import mkdirp from 'mkdirp';
import Bundler from 'parcel-bundler';
import { dirname, join } from 'path';
import ProgressBar from 'progress';
import rimraf from 'rimraf';
import { mapObject, range } from 'underscore';
interface Account {
image: string;
link: string;
}
const BUILD_DIR = join(__dirname, 'build');
const SRC_DIR = join(__dirname, 'src');
const PROGRESS_BAR_FORMAT = '[:bar] :rate/ps :percent :current/:total';
const MAX_VALUE = process.env.MAX_VALUE
? parseInt(process.env.MAX_VALUE, 10)
: 2;
const BUNDLER_OPTIONS = {
outDir: BUILD_DIR,
watch: false,
minify: true,
};
function readAccounts(): ReadonlyArray<Account> {
const rawAccounts: object = jsyaml.safeLoad(
readFileSync(join(__dirname, 'accounts.yml')).toString()
);
return Object.values(
mapObject(rawAccounts, (val, key) => {
return {
...val,
name: key,
};
})
);
}
function statusOutput(message: string) {
console.log('> ' + message + '...');
}
function isPrecision(value: number, precision: number) {
return parseFloat(value.toFixed(precision)) === value;
}
function writeTemplate(
template: HandlebarsTemplateDelegate,
value: string,
context: any
) {
const outputFile = join(BUILD_DIR, value, 'index.html');
mkdirp.sync(dirname(outputFile));
writeFileSync(outputFile, template(context));
}
function humanize(value: number) {
if (isPrecision(value, 0)) {
return value.toString();
}
return value.toFixed(2);
}
(async function() {
rimraf.sync(BUILD_DIR);
statusOutput('Reading accounts');
const accounts = readAccounts();
statusOutput('Creating template');
const bundler = new Bundler(join(SRC_DIR, 'template.html'), BUNDLER_OPTIONS);
await bundler.bundle();
statusOutput('Compiling HTML template');
Handlebars.registerPartial(
'accounts',
readFileSync(join(SRC_DIR, 'accounts.html')).toString()
);
const template = Handlebars.compile(
readFileSync(join(BUILD_DIR, 'template.html')).toString()
);
const possibleValues = range(0, MAX_VALUE, 0.01);
const bar = new ProgressBar(PROGRESS_BAR_FORMAT, {
total: possibleValues.length,
width: 40,
});
const baseContext = {
accounts,
};
statusOutput('Generating pages');
possibleValues.forEach(i => {
if (i) {
const value = parseFloat(i.toFixed(2));
const context = {
...baseContext,
displayValue: "£" + humanize(value),
value: humanize(value)
};
writeTemplate(template, value.toString(), context);
if (isPrecision(value, 1)) {
writeTemplate(template, value.toString() + '0', context);
}
if (isPrecision(value, 0)) {
writeTemplate(template, value.toString() + '.00', context);
}
}
bar.tick();
});
writeTemplate(template, '', { ...baseContext, displayValue: 'money' });
const filesOutput = glob.sync(join(BUILD_DIR, '**/index.html')).length;
console.log(`Generated ${filesOutput} files.`);
})();