Carlos Florêncio
67 lines
2.1 KiB
TypeScript
67 lines
2.1 KiB
TypeScript
import type { languages, editor, IRange } from "monaco-editor";
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export type ScriptPlaceholder = {
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key: string;
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description: string;
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example: string;
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executor_types: string[];
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};
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/**
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* Creates a Monaco CompletionItemProvider that suggests {{placeholder}} values.
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* Triggers on `{` and filters by executor type.
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*/
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export function createPlaceholderCompletionProvider(
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monaco: typeof import("monaco-editor"),
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placeholders: ScriptPlaceholder[],
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executorType?: string,
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): languages.CompletionItemProvider {
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return {
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triggerCharacters: ["{"],
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provideCompletionItems(
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model: editor.ITextModel,
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position: { lineNumber: number; column: number },
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): languages.ProviderResult<languages.CompletionList> {
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const line = model.getLineContent(position.lineNumber);
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const textBefore = line.substring(0, position.column - 1);
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// Only trigger after `{{`
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if (!textBefore.endsWith("{{") && !textBefore.match(/\{\{[\w.]*$/)) {
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return { suggestions: [] };
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}
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// Find the range to replace (from {{ to cursor)
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const match = textBefore.match(/\{\{([\w.]*)$/);
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const startCol = match ? position.column - match[1].length : position.column;
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const range: IRange = {
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startLineNumber: position.lineNumber,
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startColumn: startCol,
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endLineNumber: position.lineNumber,
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endColumn: position.column,
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};
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const filtered = executorType
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? placeholders.filter(
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(p) => p.executor_types.length === 0 || p.executor_types.includes(executorType),
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)
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: placeholders;
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const suggestions: languages.CompletionItem[] = filtered.map((p, i) => ({
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label: {
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label: `{{${p.key}}}`,
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description: p.description,
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},
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kind: monaco.languages.CompletionItemKind.Variable,
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detail: p.description,
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documentation: p.example ? `Example: ${p.example}` : undefined,
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insertText: `${p.key}}}`,
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range,
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sortText: String(i).padStart(3, "0"),
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}));
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return { suggestions };
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},
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};
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}
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