'use strict';

var obsidian = require('obsidian');

const defSnippetFolder = "css-snippets";
class CssSnippetsPlugin extends obsidian.Plugin {
    constructor(app, pluginManifest) {
        super(app, pluginManifest);
    }
    async onload() {
        this.addCommand({
            id: "refresh-styles",
            name: "Reload",
            callback: async () => {
                this.loadSnippets();
            },
        });
        this.addCommand({
            id: "unload-styles",
            name: "Unload",
            callback: async () => {
                this.unloadSnippets();
            },
        });
        this.loadedStyles = Array(0);
        this.loadSnippets();
    }
    onunload() {
        this.unloadSnippets();
    }
    async loadSnippets() {
        this.unloadSnippets();
        // enumerate the style files
        let style_files = await this.app.vault.adapter.list(defSnippetFolder);
        style_files.files;
        for (let fstyle of style_files.files) {
            // console.log( "Found file: ", fstyle );
            if (fstyle.indexOf(".css") < 0) ;
            let content = await this.app.vault.adapter.read(fstyle);
            let css = content;
            var style = document.createElement("style");
            style.innerHTML = css;
            document.head.appendChild(style);
            this.loadedStyles.push(style);
        }
    }
    async unloadSnippets() {
        for (let tag of this.loadedStyles) {
            // console.log( "Removing style tag: ", tag );
            document.head.removeChild(tag);
        }
        this.loadedStyles = Array(0);
    }
}

module.exports = CssSnippetsPlugin;
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