50e36bc312
* Move remove-prohibited-tags logic from PlainTextInput * Make CodeMirror export a promise * Offer lifecycle hooks for PlainTextInput for easily accessing code mirror instance * Fix </> breaking Mathjax * remove debug statement (dae)
91 lines
2.5 KiB
Svelte
91 lines
2.5 KiB
Svelte
<!--
|
|
Copyright: Ankitects Pty Ltd and contributors
|
|
License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
|
|
-->
|
|
<script context="module" lang="ts">
|
|
import type CodeMirrorLib from "codemirror";
|
|
|
|
export interface CodeMirrorAPI {
|
|
readonly editor: Promise<CodeMirrorLib.Editor>;
|
|
setOption<T extends keyof CodeMirrorLib.EditorConfiguration>(
|
|
key: T,
|
|
value: CodeMirrorLib.EditorConfiguration[T],
|
|
): Promise<void>;
|
|
}
|
|
</script>
|
|
|
|
<script lang="ts">
|
|
import { createEventDispatcher, getContext, onMount } from "svelte";
|
|
import type { Writable } from "svelte/store";
|
|
|
|
import { directionKey } from "../lib/context-keys";
|
|
import { promiseWithResolver } from "../lib/promise";
|
|
import { pageTheme } from "../sveltelib/theme";
|
|
import {
|
|
darkTheme,
|
|
lightTheme,
|
|
openCodeMirror,
|
|
setupCodeMirror,
|
|
} from "./code-mirror";
|
|
|
|
export let configuration: CodeMirrorLib.EditorConfiguration;
|
|
export let code: Writable<string>;
|
|
|
|
const defaultConfiguration = {
|
|
rtlMoveVisually: true,
|
|
};
|
|
|
|
const [editorPromise, resolve] = promiseWithResolver<CodeMirrorLib.Editor>();
|
|
|
|
/**
|
|
* Convenience function for editor.setOption.
|
|
*/
|
|
function setOption<T extends keyof CodeMirrorLib.EditorConfiguration>(
|
|
key: T,
|
|
value: CodeMirrorLib.EditorConfiguration[T],
|
|
): void {
|
|
editorPromise.then((editor) => editor.setOption(key, value));
|
|
}
|
|
|
|
const direction = getContext<Writable<"ltr" | "rtl">>(directionKey);
|
|
|
|
$: setOption("direction", $direction);
|
|
$: setOption("theme", $pageTheme.isDark ? darkTheme : lightTheme);
|
|
|
|
let apiPartial: Partial<CodeMirrorAPI>;
|
|
export { apiPartial as api };
|
|
|
|
Object.assign(apiPartial, {
|
|
editor: editorPromise,
|
|
setOption,
|
|
});
|
|
|
|
const dispatch = createEventDispatcher();
|
|
|
|
onMount(() =>
|
|
editorPromise.then((editor) => {
|
|
setupCodeMirror(editor, code);
|
|
editor.on("change", () => dispatch("change", editor.getValue()));
|
|
editor.on("focus", () => dispatch("focus"));
|
|
editor.on("blur", () => dispatch("blur"));
|
|
}),
|
|
);
|
|
</script>
|
|
|
|
<div class="code-mirror">
|
|
<textarea
|
|
tabindex="-1"
|
|
hidden
|
|
use:openCodeMirror={{
|
|
configuration: { ...configuration, ...defaultConfiguration },
|
|
resolve,
|
|
}}
|
|
/>
|
|
</div>
|
|
|
|
<style lang="scss">
|
|
.code-mirror :global(.CodeMirror) {
|
|
height: auto;
|
|
}
|
|
</style>
|