@descope/sdk-mixins/dist/esm/mixins/injectStyleMixin.js

Descope JavaScript SDK mixins

import { createSingletonMixin, compose } from '@descope/sdk-helpers';
import { cspNonceMixin } from './cspNonceMixin.js';

// we should mimic the CSSStyleSheet API for the fns we are using
class CSSStyleSheetMock {
    constructor(ref, nonce, { prepend = false } = {}) {
        this.styleEle = document.createElement('style');
        this.styleEle.setAttribute('nonce', nonce);
        this.ref = ref;
        if (!this.ref) {
            return;
        }
        if (prepend) {
            this.ref.prepend(this.styleEle);
        }
        else {
            this.ref.append(this.styleEle);
        }
    }
    replaceSync(cssString) {
        this.styleEle.textContent = cssString;
    }
    get cssRules() {
        var _a;
        return (_a = this.styleEle.sheet) === null || _a === void 0 ? void 0 : _a.cssRules;
    }
}
const injectStyleMixin = createSingletonMixin((superclass) => {
    const BaseClass = compose(cspNonceMixin)(superclass);
    return class InjectStyleMixinClass extends BaseClass {
        injectStyle(cssString, { prepend = false } = {}) {
            let style;
            try {
                style = new CSSStyleSheet();
            }
            catch (e) {
                // fallback for browsers that don't support CSSStyleSheet
                style = new CSSStyleSheetMock(this.shadowRoot, this.nonce, {
                    prepend,
                });
            }
            if (cssString) {
                style.replaceSync(cssString);
            }
            if (style instanceof CSSStyleSheet) {
                const ref = this.shadowRoot;
                if (ref && 'adoptedStyleSheets' in ref) {
                    const adoptedStyleSheets = [...(ref.adoptedStyleSheets || [])];
                    adoptedStyleSheets[prepend ? 'unshift' : 'push'](style);
                    ref.adoptedStyleSheets = adoptedStyleSheets;
                }
            }
            return style;
        }
    };
});

export { injectStyleMixin };
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