24 lines
1.2 KiB
JavaScript
24 lines
1.2 KiB
JavaScript
export function applyFormat(editor, format) {
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const wrap = (before, after = before, placeholder = "tekst") => {
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const start = editor.selectionStart, end = editor.selectionEnd;
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const selected = editor.value.slice(start, end) || placeholder;
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editor.setRangeText(before + selected + after, start, end, "select");
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};
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const prefix = (value) => {
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const start = editor.selectionStart, end = editor.selectionEnd;
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const lineStart = editor.value.lastIndexOf("\n", start - 1) + 1;
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const selected = editor.value.slice(lineStart, end);
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editor.setRangeText(selected.split("\n").map((line, index) => typeof value === "function" ? value(index) + line : value + line).join("\n"), lineStart, end, "select");
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};
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if (format === "bold") wrap("**");
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if (format === "italic") wrap("*");
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if (format === "strike") wrap("~~");
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if (format === "heading") prefix("## ");
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if (format === "bullet") prefix("- ");
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if (format === "number") prefix((index) => `${index + 1}. `);
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if (format === "quote") prefix("> ");
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if (format === "link") wrap("[", "](https://)", "description");
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editor.focus();
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editor.dispatchEvent(new Event("input", { bubbles: true }));
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}
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