362 lines
12 KiB
JavaScript
362 lines
12 KiB
JavaScript
import { getAssetPath, proxyCustomElement, HTMLElement, Build, h, Host } from '@stencil/core/internal/client';
|
|
|
|
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) => {
|
|
const map = getIconMap();
|
|
Object.keys(icons).forEach(name => map.set(name, icons[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);
|
|
}
|
|
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) => {
|
|
const url = getIconMap().get(iconName);
|
|
if (url) {
|
|
return url;
|
|
}
|
|
return getAssetPath(`svg/${iconName}.svg`);
|
|
};
|
|
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';
|
|
};
|
|
|
|
const validateContent = (svgContent) => {
|
|
const div = document.createElement('div');
|
|
div.innerHTML = svgContent;
|
|
// setup this way to ensure it works on our buddy IE
|
|
for (let i = div.childNodes.length - 1; i >= 0; i--) {
|
|
if (div.childNodes[i].nodeName.toLowerCase() !== 'svg') {
|
|
div.removeChild(div.childNodes[i]);
|
|
}
|
|
}
|
|
// must only have 1 root element
|
|
const svgElm = div.firstElementChild;
|
|
if (svgElm && svgElm.nodeName.toLowerCase() === 'svg') {
|
|
const svgClass = svgElm.getAttribute('class') || '';
|
|
svgElm.setAttribute('class', (svgClass + ' s-ion-icon').trim());
|
|
// root element must be an svg
|
|
// lets double check we've got valid elements
|
|
// do not allow scripts
|
|
if (isValid(svgElm)) {
|
|
return div.innerHTML;
|
|
}
|
|
}
|
|
return '';
|
|
};
|
|
const isValid = (elm) => {
|
|
if (elm.nodeType === 1) {
|
|
if (elm.nodeName.toLowerCase() === 'script') {
|
|
return false;
|
|
}
|
|
for (let i = 0; i < elm.attributes.length; i++) {
|
|
const name = elm.attributes[i].name;
|
|
if (isStr(name) && name.toLowerCase().indexOf('on') === 0) {
|
|
return false;
|
|
}
|
|
}
|
|
for (let i = 0; i < elm.childNodes.length; i++) {
|
|
if (!isValid(elm.childNodes[i])) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
};
|
|
const isSvgDataUrl = (url) => url.startsWith('data:image/svg+xml');
|
|
const isEncodedDataUrl = (url) => url.indexOf(';utf8,') !== -1;
|
|
|
|
const ioniconContent = new Map();
|
|
const requests = new Map();
|
|
let parser;
|
|
const getSvgContent = (url, sanitize) => {
|
|
// see if we already have a request for this url
|
|
let req = requests.get(url);
|
|
if (!req) {
|
|
if (typeof fetch !== 'undefined' && typeof document !== 'undefined') {
|
|
/**
|
|
* If the url is a data url of an svg, then try to parse it
|
|
* with the DOMParser. This works with content security policies enabled.
|
|
*/
|
|
if (isSvgDataUrl(url) && isEncodedDataUrl(url)) {
|
|
if (!parser) {
|
|
/**
|
|
* Create an instance of the DOM parser. This creates a single
|
|
* parser instance for the entire app, which is more efficient.
|
|
*/
|
|
parser = new DOMParser();
|
|
}
|
|
const doc = parser.parseFromString(url, 'text/html');
|
|
const svg = doc.querySelector('svg');
|
|
if (svg) {
|
|
ioniconContent.set(url, svg.outerHTML);
|
|
}
|
|
return Promise.resolve();
|
|
}
|
|
else {
|
|
// we don't already have a request
|
|
req = fetch(url).then((rsp) => {
|
|
if (rsp.ok) {
|
|
return rsp.text().then((svgContent) => {
|
|
if (svgContent && sanitize !== false) {
|
|
svgContent = validateContent(svgContent);
|
|
}
|
|
ioniconContent.set(url, svgContent || '');
|
|
});
|
|
}
|
|
ioniconContent.set(url, '');
|
|
});
|
|
// cache for the same requests
|
|
requests.set(url, req);
|
|
}
|
|
}
|
|
else {
|
|
// set to empty for ssr scenarios and resolve promise
|
|
ioniconContent.set(url, '');
|
|
return Promise.resolve();
|
|
}
|
|
}
|
|
return req;
|
|
};
|
|
|
|
const iconCss = ":host{display:inline-block;width:1em;height:1em;contain:strict;fill:currentColor;-webkit-box-sizing:content-box !important;box-sizing:content-box !important}:host .ionicon{stroke:currentColor}.ionicon-fill-none{fill:none}.ionicon-stroke-width{stroke-width:32px;stroke-width:var(--ionicon-stroke-width, 32px)}.icon-inner,.ionicon,svg{display:block;height:100%;width:100%}:host(.flip-rtl) .icon-inner{-webkit-transform:scaleX(-1);transform:scaleX(-1)}:host(.icon-small){font-size:18px !important}:host(.icon-large){font-size:32px !important}:host(.ion-color){color:var(--ion-color-base) !important}:host(.ion-color-primary){--ion-color-base:var(--ion-color-primary, #3880ff)}:host(.ion-color-secondary){--ion-color-base:var(--ion-color-secondary, #0cd1e8)}:host(.ion-color-tertiary){--ion-color-base:var(--ion-color-tertiary, #f4a942)}:host(.ion-color-success){--ion-color-base:var(--ion-color-success, #10dc60)}:host(.ion-color-warning){--ion-color-base:var(--ion-color-warning, #ffce00)}:host(.ion-color-danger){--ion-color-base:var(--ion-color-danger, #f14141)}:host(.ion-color-light){--ion-color-base:var(--ion-color-light, #f4f5f8)}:host(.ion-color-medium){--ion-color-base:var(--ion-color-medium, #989aa2)}:host(.ion-color-dark){--ion-color-base:var(--ion-color-dark, #222428)}";
|
|
|
|
const Icon = /*@__PURE__*/ proxyCustomElement(class extends HTMLElement {
|
|
constructor() {
|
|
super();
|
|
this.__registerHost();
|
|
this.__attachShadow();
|
|
this.iconName = null;
|
|
this.inheritedAttributes = {};
|
|
this.isVisible = false;
|
|
/**
|
|
* The mode determines which platform styles to use.
|
|
*/
|
|
this.mode = getIonMode();
|
|
/**
|
|
* If enabled, ion-icon will be loaded lazily when it's visible in the viewport.
|
|
* Default, `false`.
|
|
*/
|
|
this.lazy = false;
|
|
/**
|
|
* When set to `false`, SVG content that is HTTP fetched will not be checked
|
|
* if the response SVG content has any `<script>` elements, or any attributes
|
|
* that start with `on`, such as `onclick`.
|
|
* @default true
|
|
*/
|
|
this.sanitize = true;
|
|
}
|
|
componentWillLoad() {
|
|
this.inheritedAttributes = inheritAttributes(this.el, ['aria-label']);
|
|
}
|
|
connectedCallback() {
|
|
// purposely do not return the promise here because loading
|
|
// the svg file should not hold up loading the app
|
|
// only load the svg if it's visible
|
|
this.waitUntilVisible(this.el, '50px', () => {
|
|
this.isVisible = true;
|
|
this.loadIcon();
|
|
});
|
|
}
|
|
disconnectedCallback() {
|
|
if (this.io) {
|
|
this.io.disconnect();
|
|
this.io = undefined;
|
|
}
|
|
}
|
|
waitUntilVisible(el, rootMargin, cb) {
|
|
if (Build.isBrowser && this.lazy && typeof window !== 'undefined' && window.IntersectionObserver) {
|
|
const io = (this.io = new window.IntersectionObserver((data) => {
|
|
if (data[0].isIntersecting) {
|
|
io.disconnect();
|
|
this.io = undefined;
|
|
cb();
|
|
}
|
|
}, { rootMargin }));
|
|
io.observe(el);
|
|
}
|
|
else {
|
|
// browser doesn't support IntersectionObserver
|
|
// so just fallback to always show it
|
|
cb();
|
|
}
|
|
}
|
|
loadIcon() {
|
|
if (Build.isBrowser && this.isVisible) {
|
|
const url = getUrl(this);
|
|
if (url) {
|
|
if (ioniconContent.has(url)) {
|
|
// sync if it's already loaded
|
|
this.svgContent = ioniconContent.get(url);
|
|
}
|
|
else {
|
|
// async if it hasn't been loaded
|
|
getSvgContent(url, this.sanitize).then(() => (this.svgContent = ioniconContent.get(url)));
|
|
}
|
|
}
|
|
}
|
|
this.iconName = getName(this.name, this.icon, this.mode, this.ios, this.md);
|
|
}
|
|
render() {
|
|
const { iconName, el, inheritedAttributes } = this;
|
|
const mode = this.mode || 'md';
|
|
const flipRtl = this.flipRtl ||
|
|
(iconName && (iconName.indexOf('arrow') > -1 || iconName.indexOf('chevron') > -1) && this.flipRtl !== false);
|
|
return (h(Host, Object.assign({ role: "img", class: Object.assign(Object.assign({ [mode]: true }, createColorClasses(this.color)), { [`icon-${this.size}`]: !!this.size, 'flip-rtl': !!flipRtl && isRTL(el) }) }, inheritedAttributes), Build.isBrowser && this.svgContent ? (h("div", { class: "icon-inner", innerHTML: this.svgContent })) : (h("div", { class: "icon-inner" }))));
|
|
}
|
|
static get assetsDirs() { return ["svg"]; }
|
|
get el() { return this; }
|
|
static get watchers() { return {
|
|
"name": ["loadIcon"],
|
|
"src": ["loadIcon"],
|
|
"icon": ["loadIcon"],
|
|
"ios": ["loadIcon"],
|
|
"md": ["loadIcon"]
|
|
}; }
|
|
static get style() { return iconCss; }
|
|
}, [1, "ion-icon", {
|
|
"mode": [1025],
|
|
"color": [1],
|
|
"ios": [1],
|
|
"md": [1],
|
|
"flipRtl": [4, "flip-rtl"],
|
|
"name": [513],
|
|
"src": [1],
|
|
"icon": [8],
|
|
"size": [1],
|
|
"lazy": [4],
|
|
"sanitize": [4],
|
|
"svgContent": [32],
|
|
"isVisible": [32]
|
|
}]);
|
|
const getIonMode = () => (Build.isBrowser && typeof document !== 'undefined' && document.documentElement.getAttribute('mode')) || 'md';
|
|
const createColorClasses = (color) => {
|
|
return color
|
|
? {
|
|
'ion-color': true,
|
|
[`ion-color-${color}`]: true,
|
|
}
|
|
: null;
|
|
};
|
|
function defineCustomElement$1() {
|
|
if (typeof customElements === "undefined") {
|
|
return;
|
|
}
|
|
const components = ["ion-icon"];
|
|
components.forEach(tagName => { switch (tagName) {
|
|
case "ion-icon":
|
|
if (!customElements.get(tagName)) {
|
|
customElements.define(tagName, Icon);
|
|
}
|
|
break;
|
|
} });
|
|
}
|
|
|
|
const IonIcon = Icon;
|
|
const defineCustomElement = defineCustomElement$1;
|
|
|
|
export { IonIcon, addIcons as a, defineCustomElement };
|