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render.ts
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import { appendStyle, extractInfo, stringifyAttrs } from "./utils.js";
/**
* Default render for icons
*
* @param icon Icon string
* @returns Rendered icon content
*/
export const defaultRender = (icon: string): string => {
const { attrs, content, size, color } = extractInfo({ content: icon });
if (size) appendStyle(attrs, `font-size:${size}`);
if (color) appendStyle(attrs, `color:${color}`);
return `\
<i icon="${content}"${stringifyAttrs(attrs)}>\
</i>`;
};
/**
* Render for [iconify-icon](https://iconify.design/docs/iconify-icon/)
*
* @param icon Icon string
* @returns Rendered icon content
*/
export const iconifyRender = (icon: string): string => {
const { attrs, content, size, color } = extractInfo({ content: icon });
if (size) appendStyle(attrs, `font-size:${size}`);
if (color) appendStyle(attrs, `color:${color}`);
return `<iconify-icon icon="${content}"${stringifyAttrs(attrs)}></iconify-icon>`;
};
/** Fontawesome families short aliases */
export const FONTAWESOME_FAMILY_SHORT_ALIAS: string[] = [
// free
"fas",
"fab",
// part of pro
"far",
// pro only
"fal",
"fat",
"fass",
"fasr",
];
/** Fontawesome styles short aliases */
export const FONTAWESOME_STYLES_SHORT_ALIAS: string[] = [
// pro only
"fad",
"fass",
"fasr",
];
/** Fontawesome short aliases */
export const FONTAWESOME_SHORT_ALIAS: string[] = [
...FONTAWESOME_FAMILY_SHORT_ALIAS,
...FONTAWESOME_STYLES_SHORT_ALIAS,
];
/** Fontawesome families classes */
export const FONTAWESOME_FAMILIES: string[] = [
...FONTAWESOME_FAMILY_SHORT_ALIAS,
// free
"fa-solid",
"fa-brands",
// part of pro
"fa-regular",
// pro only
"fa-light",
"fa-thin",
];
/** Fontawesome styles classes */
export const FONTAWESOME_STYLES: string[] = [
...FONTAWESOME_STYLES_SHORT_ALIAS,
"fa-duotone",
"fa-sharp",
"fa-sharp-duotone",
];
/** All fontawesome families and styles classes */
export const FONTAWESOME_FAMILIES_AND_STYLES: string[] = [
...FONTAWESOME_FAMILIES,
...FONTAWESOME_STYLES,
];
/**
* Check if a class is a valid fontawesome short alias
*
* @param cls Class string
* @returns Whether the class is a fontawesome short alias
*/
export const isFontawesomeShortAlias = (cls: string): boolean =>
FONTAWESOME_SHORT_ALIAS.includes(cls);
/**
* Check if a class is a valid fontawesome family
*
* @param cls Class string
* @returns Whether the class is a fontawesome family
*/
export const isFontawesomeFamily = (cls: string): boolean => FONTAWESOME_FAMILIES.includes(cls);
/**
* Ensure every class is prefixed with `fa-` or a valid short alias
*
* @param icon Icon class string
* @returns Prefixed icon class string
*/
export const appendFontawesomePrefix = (icon: string): string =>
icon.startsWith("fa-") || isFontawesomeShortAlias(icon) ? icon : `fa-${icon}`;
/**
* Render for [fontawesome](https://fontawesome.com/) icons
*
* @param icon Icon string
* @returns Rendered icon content
*/
export const fontawesomeRender = (icon: string): string => {
const { attrs, content, size, color } = extractInfo({ content: icon });
if (size) appendStyle(attrs, `font-size:${size}`);
if (color) appendStyle(attrs, `color:${color}`);
const classes = content.split(/\s+/);
const finalClasses: string[] = [];
const iconNameIndex = classes.findIndex((cls) => cls.includes(":"));
// a icon name with explicit family (possibly with style) not found
if (iconNameIndex === -1) {
// oxlint-disable-next-line unicorn/no-array-callback-reference
finalClasses.push(...classes.map(appendFontawesomePrefix));
// if no family is specified, default to solid
if (finalClasses.every((cls) => !isFontawesomeFamily(cls))) finalClasses.push("fa-solid");
} else {
// get explicit icon name and it's family
const [iconName] = classes.splice(iconNameIndex, 1);
const [type, name] = iconName.split(":", 2);
finalClasses.push(
type.length <= 2 ? `fa${type}` : appendFontawesomePrefix(type),
appendFontawesomePrefix(name),
// oxlint-disable-next-line unicorn/no-array-callback-reference
...classes.map(appendFontawesomePrefix),
);
}
return `\
<i class="${finalClasses.join(" ")}"${stringifyAttrs(attrs)}></i>\
`;
};
/**
* Render for [iconfont](https://www.iconfont.cn/) icons
*
* @param icon Icon string
* @returns Rendered icon content
*/
export const iconfontRender = (icon: string): string => {
const { attrs, content, size, color } = extractInfo({ content: icon });
if (size) appendStyle(attrs, `font-size:${size}`);
if (color) appendStyle(attrs, `color:${color}`);
// add `iconfont` class and `icon-` prefix for first class
return `<span class="iconfont icon-${content}"${stringifyAttrs(attrs)}></span>`;
};