private finishInitialization()

in packages/web-components/fast-element/src/components/controller.ts [369:422]
34 lines of code
13 McCabe index (conditional complexity)

    private finishInitialization(): void {
        const element = this.element;
        const boundObservables = this.boundObservables;

        // If we have any observables that were bound, re-apply their values.
        if (boundObservables !== null) {
            const propertyNames = Object.keys(boundObservables);

            for (let i = 0, ii = propertyNames.length; i < ii; ++i) {
                const propertyName = propertyNames[i];
                (element as any)[propertyName] = boundObservables[propertyName];
            }

            this.boundObservables = null;
        }

        const definition = this.definition;

        // 1. Template overrides take top precedence.
        if (this._template === null) {
            if ((this.element as any).resolveTemplate) {
                // 2. Allow for element instance overrides next.
                this._template = (this.element as any).resolveTemplate();
            } else if (definition.template) {
                // 3. Default to the static definition.
                this._template = definition.template || null;
            }
        }

        // If we have a template after the above process, render it.
        // If there's no template, then the element author has opted into
        // custom rendering and they will managed the shadow root's content themselves.
        if (this._template !== null) {
            this.renderTemplate(this._template);
        }

        // 1. Styles overrides take top precedence.
        if (this._styles === null) {
            if ((this.element as any).resolveStyles) {
                // 2. Allow for element instance overrides next.
                this._styles = (this.element as any).resolveStyles();
            } else if (definition.styles) {
                // 3. Default to the static definition.
                this._styles = definition.styles || null;
            }
        }

        // If we have styles after the above process, add them.
        if (this._styles !== null) {
            this.addStyles(this._styles);
        }

        this.needsInitialization = false;
    }