responsive-html-email-signa.../tasks/check-for-unused.js

76 lines
2.3 KiB
JavaScript

const gulp = require('gulp');
const chalk = require('chalk');
const { getConfigsForDir, getFilePathsForDir, getHtmlTemplatesFromFilelist, log } = require('./util/util');
const OUTPUT_KEYWORD = '@echo';
function checkForUnusedTask(options) {
gulp.task('check-for-unused', async done => {
const configs = getConfigsForDir(options.workingDir, options.configurationFile);
const unusedItems = await checkForUnusedItemsInConfigs(options.workingDir, configs);
outputWarningsForUnusedItems(unusedItems, configs);
done();
});
}
/**
* Outputs warnings for unused items.
*
* @param { Array<Array<string>> } unusedItems
* @param { Array<object> } configs
*/
const outputWarningsForUnusedItems = (unusedItems, configs) => {
const find = OUTPUT_KEYWORD;
const regex = new RegExp(find, 'g');
unusedItems.forEach((unusedInConfigs, index) => {
const { dir } = configs[index];
unusedInConfigs.forEach(unusedInConfItems => {
const unusedItemsToLog = unusedInConfItems
.filter(item => item !== `${OUTPUT_KEYWORD} id`)
.filter(item => item !== '@echo inlineRemoteUrl');
if (unusedItemsToLog.length) {
log.warn(
`${unusedItemsToLog.length} unused properties in ${dir}: ${unusedItemsToLog
.reduce((acc, cur) => (acc ? `${acc}, ${chalk.white(cur)}` : chalk.white(cur)), '')
.replace(regex, '')}`
);
}
});
});
};
/**
* In a directory, checks for unused configs.
*
* @param { string } rootDir
* @param { Array } configs Array of configs.
*/
const checkForUnusedItemsInConfigs = (rootDir, configs) =>
Promise.all(
configs.map(async ({ dir, confItems }) => {
return Promise.all(
confItems.map(async confItem => {
const definedStrings = Object.keys(confItem).map(key => `${OUTPUT_KEYWORD} ${key}`);
const cwd = `${rootDir}/${dir}`;
const files = await getFilePathsForDir(cwd);
const htmlTemplates = await getHtmlTemplatesFromFilelist(files);
const concatenatedTemplates = htmlTemplates.join('');
return definedStrings.filter(str => !concatenatedTemplates.includes(str));
})
);
})
);
const self = {
checkForUnusedTask,
outputWarningsForUnusedItems,
checkForUnusedItemsInConfigs
};
module.exports = self;