ionicons
Version:
Premium icons for Ionic.
169 lines (166 loc) • 5.21 kB
JavaScript
import { g as getAssetPath } from './index-b72adede.js';
let CACHED_MAP;
const getIconMap = () => {
if (typeof window === 'undefined') {
return new Map();
}
else {
if (!CACHED_MAP) {
const win = window;
win.Ionicons = win.Ionicons || {};
CACHED_MAP = win.Ionicons.map = win.Ionicons.map || new Map();
}
return CACHED_MAP;
}
};
const addIcons = (icons) => {
Object.keys(icons).forEach(name => {
addToIconMap(name, icons[name]);
/**
* Developers can also pass in the SVG object directly
* and Ionicons can map the object to a kebab case name.
* Example: addIcons({ addCircleOutline });
* This will create an "addCircleOutline" entry and
* an "add-circle-outline" entry.
* Usage: <ion-icon name="add-circle-outline"></ion-icon>
* Using name="addCircleOutline" is valid too, but the
* kebab case naming is preferred.
*/
const toKebabCase = name.replace(/([a-z0-9]|(?=[A-Z]))([A-Z0-9])/g, "$1-$2").toLowerCase();
if (name !== toKebabCase) {
addToIconMap(toKebabCase, icons[name]);
}
});
};
const addToIconMap = (name, data) => {
const map = getIconMap();
const existingIcon = map.get(name);
if (existingIcon === undefined) {
map.set(name, data);
/**
* Importing and defining the same icon reference
* multiple times should not yield a warning.
*/
}
else if (existingIcon !== data) {
console.warn(`[Ionicons Warning]: Multiple icons were mapped to name "${name}". Ensure that multiple icons are not mapped to the same icon name.`);
}
};
const getUrl = (i) => {
let url = getSrc(i.src);
if (url) {
return url;
}
url = getName(i.name, i.icon, i.mode, i.ios, i.md);
if (url) {
return getNamedUrl(url, i);
}
if (i.icon) {
url = getSrc(i.icon);
if (url) {
return url;
}
url = getSrc(i.icon[i.mode]);
if (url) {
return url;
}
}
return null;
};
const getNamedUrl = (iconName, iconEl) => {
const url = getIconMap().get(iconName);
if (url) {
return url;
}
try {
return getAssetPath(`svg/${iconName}.svg`);
}
catch (e) {
/**
* In the custom elements build version of ionicons, referencing an icon
* by name will throw an invalid URL error because the asset path is not defined.
* This catches that error and logs something that is more developer-friendly.
* We also include a reference to the ion-icon element so developers can
* figure out which instance of ion-icon needs to be updated.
*/
console.warn(`[Ionicons Warning]: Could not load icon with name "${iconName}". Ensure that the icon is registered using addIcons or that the icon SVG data is passed directly to the icon component.`, iconEl);
}
};
const getName = (iconName, icon, mode, ios, md) => {
// default to "md" if somehow the mode wasn't set
mode = (mode && toLower(mode)) === 'ios' ? 'ios' : 'md';
// if an icon was passed in using the ios or md attributes
// set the iconName to whatever was passed in
if (ios && mode === 'ios') {
iconName = toLower(ios);
}
else if (md && mode === 'md') {
iconName = toLower(md);
}
else {
if (!iconName && icon && !isSrc(icon)) {
iconName = icon;
}
if (isStr(iconName)) {
iconName = toLower(iconName);
}
}
if (!isStr(iconName) || iconName.trim() === '') {
return null;
}
// only allow alpha characters and dash
const invalidChars = iconName.replace(/[a-z]|-|\d/gi, '');
if (invalidChars !== '') {
return null;
}
return iconName;
};
const getSrc = (src) => {
if (isStr(src)) {
src = src.trim();
if (isSrc(src)) {
return src;
}
}
return null;
};
const isSrc = (str) => str.length > 0 && /(\/|\.)/.test(str);
const isStr = (val) => typeof val === 'string';
const toLower = (val) => val.toLowerCase();
/**
* Elements inside of web components sometimes need to inherit global attributes
* set on the host. For example, the inner input in `ion-input` should inherit
* the `title` attribute that developers set directly on `ion-input`. This
* helper function should be called in componentWillLoad and assigned to a variable
* that is later used in the render function.
*
* This does not need to be reactive as changing attributes on the host element
* does not trigger a re-render.
*/
const inheritAttributes = (el, attributes = []) => {
const attributeObject = {};
attributes.forEach(attr => {
if (el.hasAttribute(attr)) {
const value = el.getAttribute(attr);
if (value !== null) {
attributeObject[attr] = el.getAttribute(attr);
}
el.removeAttribute(attr);
}
});
return attributeObject;
};
/**
* Returns `true` if the document or host element
* has a `dir` set to `rtl`. The host value will always
* take priority over the root document value.
*/
const isRTL = (hostEl) => {
if (hostEl) {
if (hostEl.dir !== '') {
return hostEl.dir.toLowerCase() === 'rtl';
}
}
return (document === null || document === void 0 ? void 0 : document.dir.toLowerCase()) === 'rtl';
};
export { addIcons as a, inheritAttributes as b, getName as c, isRTL as d, getUrl as g, isStr as i };