Files
Automata/packages/editor-ui/src/components/InlineExpressionEditor/ExpressionOutput.vue

118 lines
3.0 KiB
Vue

<script setup lang="ts">
import { EditorState, type Extension } from '@codemirror/state';
import { EditorView } from '@codemirror/view';
import { useI18n } from '@/composables/useI18n';
import { highlighter } from '@/plugins/codemirror/resolvableHighlighter';
import type { Plaintext, Resolved, Segment } from '@/types/expressions';
import { computed, onBeforeUnmount, onMounted, ref, watch } from 'vue';
import { forceParse } from '@/utils/forceParse';
interface ExpressionOutputProps {
segments: Segment[];
extensions?: Extension[];
}
const props = withDefaults(defineProps<ExpressionOutputProps>(), { extensions: () => [] });
const i18n = useI18n();
const editor = ref<EditorView | null>(null);
const root = ref<HTMLElement | null>(null);
const resolvedExpression = computed(() => {
if (props.segments.length === 0) {
return i18n.baseText('parameterInput.emptyString');
}
return props.segments.reduce(
(acc, segment) => {
// skip duplicate segments
if (acc.cursor >= segment.to) return acc;
acc.resolved += segment.kind === 'resolvable' ? String(segment.resolved) : segment.plaintext;
acc.cursor = segment.to;
return acc;
},
{ resolved: '', cursor: 0 },
).resolved;
});
const plaintextSegments = computed<Plaintext[]>(() => {
return props.segments.filter((s): s is Plaintext => s.kind === 'plaintext');
});
const resolvedSegments = computed<Resolved[]>(() => {
if (props.segments.length === 0) {
const emptyExpression = resolvedExpression.value;
const emptySegment: Resolved = {
from: 0,
to: emptyExpression.length,
kind: 'resolvable',
error: null,
resolvable: '',
resolved: emptyExpression,
state: 'pending',
};
return [emptySegment];
}
let cursor = 0;
return props.segments
.map((segment) => {
segment.from = cursor;
cursor +=
segment.kind === 'plaintext'
? segment.plaintext.length
: segment.resolved
? (segment.resolved as string | number | boolean).toString().length
: 0;
segment.to = cursor;
return segment;
})
.filter((segment): segment is Resolved => segment.kind === 'resolvable');
});
watch(
() => props.segments,
() => {
if (!editor.value) return;
editor.value.dispatch({
changes: { from: 0, to: editor.value.state.doc.length, insert: resolvedExpression.value },
});
highlighter.addColor(editor.value as EditorView, resolvedSegments.value);
highlighter.removeColor(editor.value as EditorView, plaintextSegments.value);
},
);
onMounted(() => {
editor.value = new EditorView({
parent: root.value as HTMLElement,
state: EditorState.create({
doc: resolvedExpression.value,
extensions: [
EditorState.readOnly.of(true),
EditorView.lineWrapping,
EditorView.editable.of(false),
EditorView.domEventHandlers({ scroll: forceParse }),
...props.extensions,
],
}),
});
});
onBeforeUnmount(() => {
editor.value?.destroy();
});
defineExpose({ getValue: () => '=' + resolvedExpression.value });
</script>
<template>
<div ref="root" data-test-id="expression-output"></div>
</template>