Revert "MWPW-140452 - Icon authoring in milo using the federal repo a…

…nd individual SVG assets" (#3356)

Revert "MWPW-140452 - Icon authoring in milo using the federal repo and indiv…"

This reverts commit 81a5770.

libs/blocks/table/table.css

@@ -360,7 +360,6 @@
   width: 15px;
   height: 15px;
   cursor: pointer;
-  margin-inline: unset;
 }
 
 .table .section-head-title:hover .icon.expand {

libs/blocks/text/text.css

@@ -100,7 +100,7 @@
   position: relative;
 }
 
-.text-block .icon-list-item .icon.node-index-first {
+.text-block .icon-list-item .icon.margin-right:not(.margin-left) { /* target first node only */
   position: absolute;
   inset: 0 100% auto auto;
 }
@@ -122,6 +122,7 @@
 
 .text-block .icon-area {
   display: flex;
+  column-gap: var(--spacing-xs);
 }
 
 .text-block p.icon-area { /* NOT <a/> tags with icons in them */
@@ -217,6 +218,10 @@
   max-width: unset;
 }
 
+.text-block .icon-area.con-button {
+  column-gap: unset;
+}
+
 .text-block .icon-area picture {
   line-height: 0em;
   height: inherit; /* Safari + FF bug fix */

libs/features/georoutingv2/georoutingv2.css

@@ -83,7 +83,6 @@
 }
 
 .dialog-modal.locale-modal-v2 span.icon {
-  display: inline;
   vertical-align: middle;
 }
 

libs/features/georoutingv2/georoutingv2.js

@@ -194,7 +194,7 @@ function buildContent(currentPage, locale, geoData, locales) {
     { once: true },
   );
   img.src = `${config.miloLibs || config.codeRoot}/img/georouting/${flagFile}`;
-  const span = createTag('span', { class: 'icon node-index-first' }, img);
+  const span = createTag('span', { class: 'icon margin-inline-end' }, img);
   const mainAction = createTag('a', {
     class: 'con-button blue button-l', lang, role: 'button', 'aria-haspopup': !!locales, 'aria-expanded': false, href: '#',
   }, span);

libs/features/icons/icons.css

@@ -4,7 +4,7 @@
   border-bottom: none;
 }
 
-.milo-tooltip::before { 
+.milo-tooltip::before {
   content: attr(data-tooltip);
   position: absolute;
   top: 50%;

libs/features/icons/icons.js

@@ -1,9 +1,5 @@
-import { getFederatedContentRoot } from '../../utils/federated.js';
-import { loadLink, loadStyle } from '../../utils/utils.js';
-
 let fetchedIcons;
 let fetched = false;
-const federalIcons = {};
 
 async function getSVGsfromFile(path) {
   /* c8 ignore next */
@@ -26,7 +22,6 @@ async function getSVGsfromFile(path) {
   return miloIcons;
 }
 
-// TODO: remove after all consumers have stopped calling this method
 // eslint-disable-next-line no-async-promise-executor
 export const fetchIcons = (config) => new Promise(async (resolve) => {
   /* c8 ignore next */
@@ -39,112 +34,41 @@ export const fetchIcons = (config) => new Promise(async (resolve) => {
   resolve(fetchedIcons);
 });
 
-async function decorateToolTip(icon) {
+function decorateToolTip(icon) {
   const wrapper = icon.closest('em');
-  if (!wrapper) return;
   wrapper.className = 'tooltip-wrapper';
+  if (!wrapper) return;
   const conf = wrapper.textContent.split('|');
   // Text is the last part of a tooltip
   const content = conf.pop().trim();
   if (!content) return;
   icon.dataset.tooltip = content;
   // Position is the next to last part of a tooltip
   const place = conf.pop()?.trim().toLowerCase() || 'right';
-  const defaultIcon = 'info-outline';
-  icon.className = `icon icon-${defaultIcon} milo-tooltip ${place}`;
-  icon.dataset.name = defaultIcon;
+  icon.className = `icon icon-info milo-tooltip ${place}`;
   wrapper.parentElement.replaceChild(icon, wrapper);
 }
 
-export function getIconData(icon) {
-  const fedRoot = getFederatedContentRoot();
-  const name = [...icon.classList].find((c) => c.startsWith('icon-'))?.substring(5);
-  const path = `${fedRoot}/federal/assets/icons/svgs/${name}.svg`;
-  return { path, name };
-}
-
-function preloadInViewIconResources(config) {
-  const { base } = config;
-  loadStyle(`${base}/features/icons/icons.css`);
-}
-
-const preloadInViewIcons = async (icons = []) => icons.forEach((icon) => {
-  const { path } = getIconData(icon);
-  loadLink(path, { rel: 'preload', as: 'fetch', crossorigin: 'anonymous' });
-});
-
-function filterDuplicatedIcons(icons) {
-  if (!icons.length) return [];
-  const uniqueIconKeys = new Set();
-  const uniqueIcons = [];
-  for (const icon of icons) {
-    const key = [...icon.classList].find((c) => c.startsWith('icon-'))?.substring(5);
-    if (!uniqueIconKeys.has(key)) {
-      uniqueIconKeys.add(key);
-      uniqueIcons.push(icon);
-    }
-  }
-  return uniqueIcons;
-}
-
-export async function decorateIcons(area, icons, config) {
-  if (!icons.length) return;
-  const uniqueIcons = filterDuplicatedIcons(icons);
-  if (!uniqueIcons.length) return;
-  preloadInViewIcons(uniqueIcons);
-  preloadInViewIconResources(config);
-  icons.forEach((icon) => {
-    const iconName = [...icon.classList].find((c) => c.startsWith('icon-'))?.substring(5);
-    if (!iconName) return;
-    icon.dataset.name = iconName;
-  });
-}
-
-export default async function loadIcons(icons) {
-  const fedRoot = getFederatedContentRoot();
-  const iconRequests = [];
-  const iconsToFetch = new Map();
-
+export default async function loadIcons(icons, config) {
+  const iconSVGs = await fetchIcons(config);
+  if (!iconSVGs) return;
   icons.forEach(async (icon) => {
-    const isToolTip = icon.classList.contains('icon-tooltip');
-    if (isToolTip) decorateToolTip(icon);
-    const iconName = icon.dataset.name;
-    if (icon.dataset.svgInjected || !iconName) return;
-    if (!federalIcons[iconName] && !iconsToFetch.has(iconName)) {
-      const url = `${fedRoot}/federal/assets/icons/svgs/${iconName}.svg`;
-      iconsToFetch.set(iconName, fetch(url)
-        .then(async (res) => {
-          if (!res.ok) throw new Error(`Failed to fetch SVG for ${iconName}: ${res.statusText}`);
-          const text = await res.text();
-          const parser = new DOMParser();
-          const svgDoc = parser.parseFromString(text, 'image/svg+xml');
-          const svgElement = svgDoc.querySelector('svg');
-          if (!svgElement) {
-            window.lana?.log(`No SVG element found in fetched content for ${iconName}`);
-            return;
-          }
-          const svgClone = svgElement.cloneNode(true);
-          svgClone.classList.add('icon-milo', `icon-milo-${iconName}`);
-          federalIcons[iconName] = svgClone;
-        })
-        /* c8 ignore next 3 */
-        .catch((error) => {
-          window.lana?.log(`Error fetching SVG for ${iconName}:`, error);
-        }));
-    }
-    iconRequests.push(iconsToFetch.get(iconName));
+    const { classList } = icon;
+    if (classList.contains('icon-tooltip')) decorateToolTip(icon);
+    const iconName = icon.classList[1].replace('icon-', '');
+    const existingIcon = icon.querySelector('svg');
+    if (!iconSVGs[iconName] || existingIcon) return;
     const parent = icon.parentElement;
-    if (parent && parent.parentElement.tagName === 'LI') parent.parentElement.classList.add('icon-list-item');
-  });
-
-  await Promise.all(iconRequests);
-
-  icons.forEach((icon) => {
-    const iconName = icon.dataset.name;
-    if (iconName && federalIcons[iconName] && !icon.dataset.svgInjected) {
-      const svgClone = federalIcons[iconName].cloneNode(true);
-      icon.appendChild(svgClone);
-      icon.dataset.svgInjected = 'true';
+    if (parent.childNodes.length > 1) {
+      if (parent.lastChild === icon) {
+        icon.classList.add('margin-inline-start');
+      } else if (parent.firstChild === icon) {
+        icon.classList.add('margin-inline-end');
+        if (parent.parentElement.tagName === 'LI') parent.parentElement.classList.add('icon-list-item');
+      } else {
+        icon.classList.add('margin-inline-start', 'margin-inline-end');
+      }
     }
+    icon.insertAdjacentHTML('afterbegin', iconSVGs[iconName].outerHTML);
   });
 }

libs/styles/styles.css

@@ -128,7 +128,6 @@
   --icon-size-s: 32px;
   --icon-size-xs: 24px;
   --icon-size-xxs: 16px;
-  --icon-spacing: 8px;
 
   /* z-index */
   --above-all: 9000; /* Used for page tools that overlay page content */
@@ -350,7 +349,6 @@
   line-height: 20px;
   min-height: 21px;
   padding: 7px 18px 8px;
-  --icon-spacing: 12px;
 }
 
 .xl-button .con-button,
@@ -360,7 +358,6 @@
   line-height: 24px;
   min-height: 28px;
   padding: 10px 24px 8px;
-  --icon-spacing: 14px;
 }
 
 .xxl-button .con-button,
@@ -370,7 +367,6 @@
   line-height: 27px;
   min-height: 27px;
   padding: 14px 30px 15px;
-  --icon-spacing: 14px;
 }
 
 .con-button.button-justified {
@@ -563,23 +559,19 @@ div[data-failed="true"]::before {
   color: var(--color-gray-300);
 }
 
-span.icon {
-  width: 1em;
-  display: inline-block;
-  margin-inline: var(--icon-spacing);
-}
+span.icon.margin-right { margin-right: 8px; }
 
-span.icon.node-index-first { margin-inline-start: unset; }
-span.icon.node-index-middle { margin-inline: var(--icon-spacing); }
-span.icon.node-index-last { margin-inline-end: unset; }
-span.icon.node-index-only { margin-inline: unset; }
+span.icon.margin-left { margin-left: 8px; }
 
-span.icon svg {
-  height: 1em;
-  position: relative;
-  top: .1em;
-  width: auto;
-}
+span.icon.margin-inline-end { margin-inline-end: 8px; }
+
+span.icon.margin-inline-start { margin-inline-start: 8px; }
+
+.button-l .con-button span.icon.margin-left,
+.con-button.button-l span.icon.margin-left { margin-left: 12px; }
+
+.button-xl .con-button span.icon.margin-left,
+.con-button.button-xl span.icon.margin-left { margin-left: 14px; }
 
 /* Con Block Utils */
 .con-block.xs-spacing { padding: var(--spacing-xs) 0; }

libs/utils/utils.js

@@ -790,6 +790,16 @@ function decorateHeader() {
   if (promo?.length) header.classList.add('has-promo');
 }
 
+async function decorateIcons(area, config) {
+  const icons = area.querySelectorAll('span.icon');
+  if (icons.length === 0) return;
+  const { base } = config;
+  loadStyle(`${base}/features/icons/icons.css`);
+  loadLink(`${base}/img/icons/icons.svg`, { rel: 'preload', as: 'fetch', crossorigin: 'anonymous' });
+  const { default: loadIcons } = await import('../features/icons/icons.js');
+  await loadIcons(icons, config);
+}
+
 export async function customFetch({ resource, withCacheRules }) {
   const options = {};
   if (withCacheRules) {
@@ -1266,8 +1276,9 @@ function decorateDocumentExtras() {
   decorateHeader();
 }
 
-async function documentPostSectionLoading(area, config) {
+async function documentPostSectionLoading(config) {
   decorateFooterPromo();
+
   const appendage = getMetadata('title-append');
   if (appendage) {
     import('../features/title-append/title-append.js').then((module) => module.default(appendage));
@@ -1331,25 +1342,14 @@ async function resolveInlineFrags(section) {
   section.preloadLinks = newlyDecoratedSection.preloadLinks;
 }
 
-export function setIconsIndexClass(icons) {
-  [...icons].forEach((icon) => {
-    const parent = icon.parentNode;
-    const children = parent.childNodes;
-    const nodeIndex = [...children].indexOf.call(children, icon);
-    let indexClass = (nodeIndex === children.length - 1) ? 'last' : 'middle';
-    if (nodeIndex === 0) indexClass = 'first';
-    if (children.length === 1) indexClass = 'only';
-    icon.classList.add(`node-index-${indexClass}`);
-  });
-}
-
 async function processSection(section, config, isDoc) {
   await resolveInlineFrags(section);
   const firstSection = section.el.dataset.idx === '0';
   const stylePromises = firstSection ? preloadBlockResources(section.blocks) : [];
   preloadBlockResources(section.preloadLinks);
   await Promise.all([
     decoratePlaceholders(section.el, config),
+    decorateIcons(section.el, config),
   ]);
   const loadBlocks = [...stylePromises];
   if (section.preloadLinks.length) {
@@ -1382,11 +1382,6 @@ export async function loadArea(area = document) {
     decorateDocumentExtras();
   }
 
-  const allIcons = area.querySelectorAll('span.icon');
-  if (allIcons.length) {
-    setIconsIndexClass(allIcons);
-  }
-
   const sections = decorateSections(area, isDoc);
 
   const areaBlocks = [];
@@ -1399,21 +1394,13 @@ export async function loadArea(area = document) {
     });
   }
 
-  if (allIcons.length) {
-    const { default: loadIcons, decorateIcons } = await import('../features/icons/icons.js');
-    const areaIcons = area.querySelectorAll('span.icon');
-    await decorateIcons(area, areaIcons, config);
-    await loadIcons(areaIcons);
-  }
-
   const currentHash = window.location.hash;
   if (currentHash) {
     scrollToHashedElement(currentHash);
   }
 
-  if (isDoc) {
-    await documentPostSectionLoading(area, config);
-  }
+  if (isDoc) await documentPostSectionLoading(config);
+
   await loadDeferred(area, areaBlocks, config);
 }