Creates block ref on current line and copies to clipboard as asterisk alias link to be pasted somewhere else

obsidian.templater.block-ref.copy-alias.js

<%*
const curSelection = tp.file.selection();
const cmEditorAct = app.workspace.activeLeaf.view.editor;
const curLineNum = cmEditorAct.getCursor().line;
const curLine = cmEditorAct.getLine(curLineNum);
cmEditorAct.setSelection({ line: curLineNum, ch: 0 }, { line: curLineNum, ch: 9999 });
const blockRef = curLine.match(/ \^(.*)/);

let id;
if (!blockRef) {
    function createBlockHash() {
        let result = '';
        var characters = 'abcdefghijklmnopqrstuvwxyz0123456789';
        var charactersLength = characters.length;
        for ( var i = 0; i < 7; i++ ) {
            result += characters.charAt(Math.floor(Math.random() * charactersLength));
        }
        return result;
    }
    id = createBlockHash();
    tR = tp.file.selection() + ` ^${id}`.split("\n").join("");
} else {
    id = blockRef[1];
    tR = tp.file.selection();
}

const textAlias = (curSelection ? curSelection : `*`);
const block = `[[${tp.file.title}#^${id}|${textAlias}]]`.split("\n").join("");
navigator.clipboard.writeText(block).then(text => text);
%>