78 lines
2.7 KiB
JavaScript
78 lines
2.7 KiB
JavaScript
const gulp = require('gulp');
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const inlineCss = require('gulp-inline-css');
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const minifyHTML = require('gulp-minify-html');
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const minifyInline = require('gulp-minify-inline');
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const preprocess = require('gulp-preprocess');
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const rename = require('gulp-rename');
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const del = require('del');
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const { inlineImg } = require('./check-for-image-url');
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const { getConfigsForDir, getFilePathsForDir, getCssLinkTagsFromFilelist } = require('./util/util');
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function buildTask(options) {
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// Requires: 'dupe', 'less', 'sass', 'postcss', 'lint'.
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gulp.task('build', function build(done) {
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/**
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* Makes templates for a given directory & its configurations.
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*
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* @function makeTemplates
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* @param {String} dir Directory to make templates from.
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* @param {Array} confItems A list of configurations objects (usually persons) to make templates from.
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*/
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function makeTemplates(dir, confItems) {
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return confItems.map(async conf => {
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const cwd = `${options.workingDir}/${dir}`;
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/**
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* Find stylesheets relative to the CWD & generate <link> tags.
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* This way we can automagically inject them into <head>.
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*/
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const files = await getFilePathsForDir(cwd);
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const context = Object.assign(conf, {
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stylesheets: getCssLinkTagsFromFilelist(files)
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});
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return options
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.src([cwd + '/**/*.html', '!' + cwd + '/**/*.inc.html'])
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.pipe(preprocess({ context }))
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.pipe(inlineImg({ getHTTP: confItems[0]['inlineRemoteUrl'] }))
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.pipe(
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inlineCss({
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applyTableAttributes: true,
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applyWidthAttributes: true,
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preserveMediaQueries: true,
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removeStyleTags: false
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})
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)
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.pipe(minifyHTML({ quotes: true }))
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.pipe(minifyInline())
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.pipe(
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rename(function rename(path) {
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path.dirname = dir;
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path.basename += '-' + conf.id;
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return path;
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})
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)
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.pipe(gulp.dest(options.distDir));
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});
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}
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/*
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* Clean up & then read from workingDir to generate templates.
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* For each found config, a template group will be generated through `makeTemplates`.
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*/
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return del(options.distDir)
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.then(() => {
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/**
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* Loop through dirs and load their conf files.
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* Promisify all 'makeTemplate' calls and when resolved, let gulp know we're done.
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*/
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const configs = getConfigsForDir(options.workingDir, options.configurationFile);
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return Promise.all(configs.map(({ dir, confItems }) => makeTemplates(dir, confItems)));
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})
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.then(() => done())
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.catch(err => console.log(err));
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});
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}
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module.exports = buildTask;
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