File size: 4,221 Bytes
6426ece |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 |
<!-- original from: https://github.com/touchifyapp/svelte-codemirror-editor/blob/main/src/lib/CodeMirror.svelte -->
<script lang="ts">
import type { ViewUpdate } from '@codemirror/view';
import { createEventDispatcher, onMount } from 'svelte';
import { EditorView, keymap, placeholder as placeholderExt } from '@codemirror/view';
import { StateEffect, EditorState, type Extension } from '@codemirror/state';
import { indentWithTab } from '@codemirror/commands';
import { oneDark } from '@codemirror/theme-one-dark';
import IconSpin from '../Icons/IconSpin.svelte';
import { basicSetup } from './basicSetup';
import CodeMirrorSearch from '$lib/CodeMirrorSearch/CodeMirrorSearch.svelte';
export let classNames = '';
export let loaderClassNames = '';
export let value = '';
export let fontSize: string | undefined = undefined;
export let basic = true;
export let extensions: Extension[] = [];
export let useTab = true;
export let editable = true;
export let readonly = false;
export let placeholder: string | HTMLElement | null | undefined = undefined;
export let focusOnMount = false;
export let view: EditorView | undefined = undefined;
const isBrowser = typeof window !== 'undefined';
const dispatch = createEventDispatcher<{ change: string }>();
let element: HTMLDivElement;
let isSearchOpen = false;
$: reconfigure(), extensions;
$: setDoc(value);
function setDoc(newDoc: string) {
if (view && newDoc !== view.state.doc.toString()) {
view.dispatch({
changes: {
from: 0,
to: view.state.doc.length,
insert: newDoc
}
});
}
}
function createEditorView(): EditorView {
return new EditorView({
parent: element,
state: createEditorState(value)
});
}
function handleChange(vu: ViewUpdate): void {
if (vu.docChanged) {
const doc = vu.state.doc;
const text = doc.toString();
dispatch('change', text);
}
}
function getExtensions() {
const stateExtensions = [
...getBaseExtensions(basic, useTab, placeholder, editable, readonly),
...getTheme(),
...extensions
];
return stateExtensions;
}
function createEditorState(value: string | null | undefined): EditorState {
return EditorState.create({
doc: value ?? undefined,
extensions: getExtensions()
});
}
function getBaseExtensions(
basic: boolean,
useTab: boolean,
placeholder: string | HTMLElement | null | undefined,
editable: boolean,
readonly: boolean
): Extension[] {
const extensions: Extension[] = [
EditorView.editable.of(editable),
EditorState.readOnly.of(readonly)
];
if (basic) {
extensions.push(basicSetup);
}
if (useTab) {
extensions.push(keymap.of([indentWithTab]));
}
if (placeholder) {
extensions.push(placeholderExt(placeholder));
}
if (fontSize) {
extensions.push(
EditorView.theme({
'&': {
fontSize: fontSize
}
})
);
}
extensions.push(EditorView.updateListener.of(handleChange));
return extensions;
}
function getTheme(): Extension[] {
const extensions: Extension[] = [];
const isDarkMode = document.querySelector('body')?.classList.contains('dark') ?? false;
if (isDarkMode) {
extensions.push(oneDark);
}
return extensions;
}
function reconfigure(): void {
view?.dispatch({
effects: StateEffect.reconfigure.of(getExtensions())
});
}
function onKeyDown(e: KeyboardEvent) {
const { ctrlKey, metaKey, key } = e;
const isOpenShortcut = key === 'f3' || ((metaKey || ctrlKey) && key === 'f');
if (isOpenShortcut) {
isSearchOpen = true;
e.preventDefault();
}
}
onMount(() => {
view = createEditorView();
if (view && focusOnMount) {
const tr = view.state.update({
selection: { anchor: view.state.doc.length }
});
view.dispatch(tr);
view.focus();
}
return () => view?.destroy();
});
</script>
{#if isBrowser}
<div class="relative">
<div class="codemirror-wrapper {classNames}" bind:this={element} on:keydown={onKeyDown} />
{#if isSearchOpen && view}
<CodeMirrorSearch {view} on:close={() => (isSearchOpen = false)} />
{/if}
</div>
{:else}
<div class="flex h-64 items-center justify-center {loaderClassNames}">
<IconSpin classNames="animate-spin text-xs" />
</div>
{/if}
|