nehan/dist/dynamic-style.js

Html layout engine for paged-media written in Typescript

import { DynamicStyleContext, CssParser } from "./public-api";
export class DynamicStyle {
    constructor(selector, name, callback) {
        this.selector = selector;
        this.name = name;
        this.callback = callback;
    }
    call(element, parentCtx) {
        const callbackCtx = new DynamicStyleContext({
            selector: this.selector,
            name: this.name,
            element: element,
            parentContext: parentCtx
        });
        const callResult = this.callback(callbackCtx) || {};
        if (typeof callResult === "string") {
            const declrBlock = { [this.name]: callResult };
            return CssParser.parseDeclarationBlock(this.selector, declrBlock);
        }
        return CssParser.parseDeclarationBlock(this.selector, callResult);
    }
}
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