monaco-editor/src/languageFeatures.ts
2020-08-28 10:12:54 +02:00

898 lines
30 KiB
TypeScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
'use strict';
import { LanguageServiceDefaultsImpl } from './monaco.contribution';
import * as ts from './lib/typescriptServices';
import { TypeScriptWorker } from './tsWorker';
import { libFileSet } from "./lib/lib.index"
import Uri = monaco.Uri;
import Position = monaco.Position;
import Range = monaco.Range;
import CancellationToken = monaco.CancellationToken;
import IDisposable = monaco.IDisposable;
//#region utils copied from typescript to prevent loading the entire typescriptServices ---
enum IndentStyle {
None = 0,
Block = 1,
Smart = 2
}
export function flattenDiagnosticMessageText(diag: string | ts.DiagnosticMessageChain | undefined, newLine: string, indent = 0): string {
if (typeof diag === "string") {
return diag;
}
else if (diag === undefined) {
return "";
}
let result = "";
if (indent) {
result += newLine;
for (let i = 0; i < indent; i++) {
result += " ";
}
}
result += diag.messageText;
indent++;
if (diag.next) {
for (const kid of diag.next) {
result += flattenDiagnosticMessageText(kid, newLine, indent);
}
}
return result;
}
function displayPartsToString(displayParts: ts.SymbolDisplayPart[] | undefined): string {
if (displayParts) {
return displayParts.map((displayPart) => displayPart.text).join("");
}
return "";
}
//#endregion
export abstract class Adapter {
constructor(protected _worker: (...uris: Uri[]) => Promise<TypeScriptWorker>) {
}
// protected _positionToOffset(model: monaco.editor.ITextModel, position: monaco.IPosition): number {
// return model.getOffsetAt(position);
// }
// protected _offsetToPosition(model: monaco.editor.ITextModel, offset: number): monaco.IPosition {
// return model.getPositionAt(offset);
// }
protected _textSpanToRange(model: monaco.editor.ITextModel, span: ts.TextSpan): monaco.IRange {
let p1 = model.getPositionAt(span.start);
let p2 = model.getPositionAt(span.start + span.length);
let { lineNumber: startLineNumber, column: startColumn } = p1;
let { lineNumber: endLineNumber, column: endColumn } = p2;
return { startLineNumber, startColumn, endLineNumber, endColumn };
}
}
// --- lib files
export class LibFiles {
private _libFiles: Record<string, string>;
private _hasFetchedLibFiles: boolean;
private _fetchLibFilesPromise: Promise<void> | null;
constructor(
private readonly _worker: (...uris: Uri[]) => Promise<TypeScriptWorker>
) {
this._libFiles = {};
this._hasFetchedLibFiles = false;
this._fetchLibFilesPromise = null;
}
public isLibFile(uri: Uri | null): boolean {
if (!uri) {
return false;
}
if (uri.path.indexOf("/lib.") === 0) {
return !!libFileSet[uri.path.slice(1)];
}
return false;
}
public getOrCreateModel(uri: Uri): monaco.editor.ITextModel | null {
const model = monaco.editor.getModel(uri);
if (model) {
return model;
}
if (this.isLibFile(uri) && this._hasFetchedLibFiles) {
return monaco.editor.createModel(this._libFiles[uri.path.slice(1)], "javascript", uri);
}
return null;
}
private _containsLibFile(uris: (Uri | null)[]): boolean {
for (let uri of uris) {
if (this.isLibFile(uri)) {
return true;
}
}
return false;
}
public async fetchLibFilesIfNecessary(uris: (Uri | null)[]): Promise<void> {
if (!this._containsLibFile(uris)) {
// no lib files necessary
return;
}
await this._fetchLibFiles();
}
private _fetchLibFiles(): Promise<void> {
if (!this._fetchLibFilesPromise) {
this._fetchLibFilesPromise = (
this._worker()
.then(w => w.getLibFiles())
.then((libFiles) => {
this._hasFetchedLibFiles = true;
this._libFiles = libFiles;
})
);
}
return this._fetchLibFilesPromise;
}
}
// --- diagnostics --- ---
enum DiagnosticCategory {
Warning = 0,
Error = 1,
Suggestion = 2,
Message = 3
}
export class DiagnosticsAdapter extends Adapter {
private _disposables: IDisposable[] = [];
private _listener: { [uri: string]: IDisposable } = Object.create(null);
constructor(
private readonly _libFiles: LibFiles,
private _defaults: LanguageServiceDefaultsImpl,
private _selector: string,
worker: (...uris: Uri[]) => Promise<TypeScriptWorker>
) {
super(worker);
const onModelAdd = (model: monaco.editor.IModel): void => {
if (model.getModeId() !== _selector) {
return;
}
let handle: number;
const changeSubscription = model.onDidChangeContent(() => {
clearTimeout(handle);
handle = setTimeout(() => this._doValidate(model), 500);
});
this._listener[model.uri.toString()] = {
dispose() {
changeSubscription.dispose();
clearTimeout(handle);
}
};
this._doValidate(model);
};
const onModelRemoved = (model: monaco.editor.IModel): void => {
monaco.editor.setModelMarkers(model, this._selector, []);
const key = model.uri.toString();
if (this._listener[key]) {
this._listener[key].dispose();
delete this._listener[key];
}
};
this._disposables.push(monaco.editor.onDidCreateModel(onModelAdd));
this._disposables.push(monaco.editor.onWillDisposeModel(onModelRemoved));
this._disposables.push(monaco.editor.onDidChangeModelLanguage(event => {
onModelRemoved(event.model);
onModelAdd(event.model);
}));
this._disposables.push({
dispose() {
for (const model of monaco.editor.getModels()) {
onModelRemoved(model);
}
}
});
const recomputeDiagostics = () => {
// redo diagnostics when options change
for (const model of monaco.editor.getModels()) {
onModelRemoved(model);
onModelAdd(model);
}
};
this._disposables.push(this._defaults.onDidChange(recomputeDiagostics));
this._disposables.push(this._defaults.onDidExtraLibsChange(recomputeDiagostics));
monaco.editor.getModels().forEach(onModelAdd);
}
public dispose(): void {
this._disposables.forEach(d => d && d.dispose());
this._disposables = [];
}
private async _doValidate(model: monaco.editor.ITextModel): Promise<void> {
const worker = await this._worker(model.uri);
if (model.isDisposed()) {
// model was disposed in the meantime
return;
}
const promises: Promise<ts.Diagnostic[]>[] = [];
const { noSyntaxValidation, noSemanticValidation, noSuggestionDiagnostics } = this._defaults.getDiagnosticsOptions();
if (!noSyntaxValidation) {
promises.push(worker.getSyntacticDiagnostics(model.uri.toString()));
}
if (!noSemanticValidation) {
promises.push(worker.getSemanticDiagnostics(model.uri.toString()));
}
if (!noSuggestionDiagnostics) {
promises.push(worker.getSuggestionDiagnostics(model.uri.toString()));
}
const allDiagnostics = await Promise.all(promises);
if (!allDiagnostics || model.isDisposed()) {
// model was disposed in the meantime
return;
}
const diagnostics = allDiagnostics
.reduce((p, c) => c.concat(p), [])
.filter(d => (this._defaults.getDiagnosticsOptions().diagnosticCodesToIgnore || []).indexOf(d.code) === -1);
// Fetch lib files if necessary
const relatedUris = diagnostics
.map(d => d.relatedInformation || [])
.reduce((p, c) => c.concat(p), [])
.map(relatedInformation => relatedInformation.file ? monaco.Uri.parse(relatedInformation.file.fileName) : null);
await this._libFiles.fetchLibFilesIfNecessary(relatedUris);
if (model.isDisposed()) {
// model was disposed in the meantime
return;
}
monaco.editor.setModelMarkers(model, this._selector, diagnostics.map(d => this._convertDiagnostics(model, d)));
}
private _convertDiagnostics(model: monaco.editor.ITextModel, diag: ts.Diagnostic): monaco.editor.IMarkerData {
const diagStart = diag.start || 0;
const diagLength = diag.length || 1;
const { lineNumber: startLineNumber, column: startColumn } = model.getPositionAt(diagStart);
const { lineNumber: endLineNumber, column: endColumn } = model.getPositionAt(diagStart + diagLength);
return {
severity: this._tsDiagnosticCategoryToMarkerSeverity(diag.category),
startLineNumber,
startColumn,
endLineNumber,
endColumn,
message: flattenDiagnosticMessageText(diag.messageText, '\n'),
code: diag.code.toString(),
tags: diag.reportsUnnecessary ? [monaco.MarkerTag.Unnecessary] : [],
relatedInformation: this._convertRelatedInformation(model, diag.relatedInformation),
};
}
private _convertRelatedInformation(model: monaco.editor.ITextModel, relatedInformation?: ts.DiagnosticRelatedInformation[]): monaco.editor.IRelatedInformation[] | undefined {
if (!relatedInformation) {
return;
}
const result: monaco.editor.IRelatedInformation[] = [];
relatedInformation.forEach((info) => {
let relatedResource: monaco.editor.ITextModel | null = model;
if (info.file) {
const relatedResourceUri = monaco.Uri.parse(info.file.fileName);
relatedResource = this._libFiles.getOrCreateModel(relatedResourceUri);
}
if (!relatedResource) {
return;
}
const infoStart = info.start || 0;
const infoLength = info.length || 1;
const { lineNumber: startLineNumber, column: startColumn } = relatedResource.getPositionAt(infoStart);
const { lineNumber: endLineNumber, column: endColumn } = relatedResource.getPositionAt(infoStart + infoLength);
result.push({
resource: relatedResource.uri,
startLineNumber,
startColumn,
endLineNumber,
endColumn,
message: flattenDiagnosticMessageText(info.messageText, '\n')
});
});
return result;
}
private _tsDiagnosticCategoryToMarkerSeverity(category: ts.DiagnosticCategory): monaco.MarkerSeverity {
switch (category) {
case DiagnosticCategory.Error: return monaco.MarkerSeverity.Error
case DiagnosticCategory.Message: return monaco.MarkerSeverity.Info
case DiagnosticCategory.Warning: return monaco.MarkerSeverity.Warning
case DiagnosticCategory.Suggestion: return monaco.MarkerSeverity.Hint
}
return monaco.MarkerSeverity.Info;
}
}
// --- suggest ------
interface MyCompletionItem extends monaco.languages.CompletionItem {
label: string;
uri: Uri;
position: Position;
}
export class SuggestAdapter extends Adapter implements monaco.languages.CompletionItemProvider {
public get triggerCharacters(): string[] {
return ['.'];
}
public async provideCompletionItems(model: monaco.editor.ITextModel, position: Position, _context: monaco.languages.CompletionContext, token: CancellationToken): Promise<monaco.languages.CompletionList | undefined> {
const wordInfo = model.getWordUntilPosition(position);
const wordRange = new Range(position.lineNumber, wordInfo.startColumn, position.lineNumber, wordInfo.endColumn);
const resource = model.uri;
const offset = model.getOffsetAt(position);
const worker = await this._worker(resource);
const info = await worker.getCompletionsAtPosition(resource.toString(), offset);
if (!info || model.isDisposed()) {
return;
}
const suggestions: MyCompletionItem[] = info.entries.map(entry => {
let range = wordRange;
if (entry.replacementSpan) {
const p1 = model.getPositionAt(entry.replacementSpan.start);
const p2 = model.getPositionAt(entry.replacementSpan.start + entry.replacementSpan.length);
range = new Range(p1.lineNumber, p1.column, p2.lineNumber, p2.column);
}
return {
uri: resource,
position: position,
range: range,
label: entry.name,
insertText: entry.name,
sortText: entry.sortText,
kind: SuggestAdapter.convertKind(entry.kind)
};
});
return {
suggestions
};
}
public async resolveCompletionItem(model: monaco.editor.ITextModel, _position: Position, item: monaco.languages.CompletionItem, token: CancellationToken): Promise<monaco.languages.CompletionItem> {
const myItem = <MyCompletionItem>item;
const resource = myItem.uri;
const position = myItem.position;
const offset = model.getOffsetAt(position);
const worker = await this._worker(resource);
const details = await worker.getCompletionEntryDetails(resource.toString(), offset, myItem.label);
if (!details || model.isDisposed()) {
return myItem;
}
return <MyCompletionItem>{
uri: resource,
position: position,
label: details.name,
kind: SuggestAdapter.convertKind(details.kind),
detail: displayPartsToString(details.displayParts),
documentation: {
value: displayPartsToString(details.documentation)
}
};
}
private static convertKind(kind: string): monaco.languages.CompletionItemKind {
switch (kind) {
case Kind.primitiveType:
case Kind.keyword:
return monaco.languages.CompletionItemKind.Keyword;
case Kind.variable:
case Kind.localVariable:
return monaco.languages.CompletionItemKind.Variable;
case Kind.memberVariable:
case Kind.memberGetAccessor:
case Kind.memberSetAccessor:
return monaco.languages.CompletionItemKind.Field;
case Kind.function:
case Kind.memberFunction:
case Kind.constructSignature:
case Kind.callSignature:
case Kind.indexSignature:
return monaco.languages.CompletionItemKind.Function;
case Kind.enum:
return monaco.languages.CompletionItemKind.Enum;
case Kind.module:
return monaco.languages.CompletionItemKind.Module;
case Kind.class:
return monaco.languages.CompletionItemKind.Class;
case Kind.interface:
return monaco.languages.CompletionItemKind.Interface;
case Kind.warning:
return monaco.languages.CompletionItemKind.File;
}
return monaco.languages.CompletionItemKind.Property;
}
}
export class SignatureHelpAdapter extends Adapter implements monaco.languages.SignatureHelpProvider {
public signatureHelpTriggerCharacters = ['(', ','];
public async provideSignatureHelp(model: monaco.editor.ITextModel, position: Position, token: CancellationToken): Promise<monaco.languages.SignatureHelpResult | undefined> {
const resource = model.uri;
const offset = model.getOffsetAt(position);
const worker = await this._worker(resource);
const info = await worker.getSignatureHelpItems(resource.toString(), offset);
if (!info || model.isDisposed()) {
return;
}
const ret: monaco.languages.SignatureHelp = {
activeSignature: info.selectedItemIndex,
activeParameter: info.argumentIndex,
signatures: []
};
info.items.forEach(item => {
const signature: monaco.languages.SignatureInformation = {
label: '',
parameters: []
};
signature.documentation = displayPartsToString(item.documentation);
signature.label += displayPartsToString(item.prefixDisplayParts);
item.parameters.forEach((p, i, a) => {
const label = displayPartsToString(p.displayParts);
const parameter: monaco.languages.ParameterInformation = {
label: label,
documentation: displayPartsToString(p.documentation)
};
signature.label += label;
signature.parameters.push(parameter);
if (i < a.length - 1) {
signature.label += displayPartsToString(item.separatorDisplayParts);
}
});
signature.label += displayPartsToString(item.suffixDisplayParts);
ret.signatures.push(signature);
});
return {
value: ret,
dispose() { }
};
}
}
// --- hover ------
export class QuickInfoAdapter extends Adapter implements monaco.languages.HoverProvider {
public async provideHover(model: monaco.editor.ITextModel, position: Position, token: CancellationToken): Promise<monaco.languages.Hover | undefined> {
const resource = model.uri;
const offset = model.getOffsetAt(position);
const worker = await this._worker(resource);
const info = await worker.getQuickInfoAtPosition(resource.toString(), offset);
if (!info || model.isDisposed()) {
return;
}
const documentation = displayPartsToString(info.documentation);
const tags = info.tags ? info.tags.map(tag => {
const label = `*@${tag.name}*`;
if (!tag.text) {
return label;
}
return label + (tag.text.match(/\r\n|\n/g) ? ' \n' + tag.text : ` - ${tag.text}`);
}).join(' \n\n') : '';
const contents = displayPartsToString(info.displayParts);
return {
range: this._textSpanToRange(model, info.textSpan),
contents: [{
value: '```js\n' + contents + '\n```\n'
}, {
value: documentation + (tags ? '\n\n' + tags : '')
}]
};
}
}
// --- occurrences ------
export class OccurrencesAdapter extends Adapter implements monaco.languages.DocumentHighlightProvider {
public async provideDocumentHighlights(model: monaco.editor.ITextModel, position: Position, token: CancellationToken): Promise<monaco.languages.DocumentHighlight[] | undefined> {
const resource = model.uri;
const offset = model.getOffsetAt(position)
const worker = await this._worker(resource);
const entries = await worker.getOccurrencesAtPosition(resource.toString(), offset);
if (!entries || model.isDisposed()) {
return;
}
return entries.map(entry => {
return <monaco.languages.DocumentHighlight>{
range: this._textSpanToRange(model, entry.textSpan),
kind: entry.isWriteAccess ? monaco.languages.DocumentHighlightKind.Write : monaco.languages.DocumentHighlightKind.Text
};
});
}
}
// --- definition ------
export class DefinitionAdapter extends Adapter {
constructor(
private readonly _libFiles: LibFiles,
worker: (...uris: Uri[]) => Promise<TypeScriptWorker>
) {
super(worker);
}
public async provideDefinition(model: monaco.editor.ITextModel, position: Position, token: CancellationToken): Promise<monaco.languages.Definition | undefined> {
const resource = model.uri;
const offset = model.getOffsetAt(position);
const worker = await this._worker(resource);
const entries = await worker.getDefinitionAtPosition(resource.toString(), offset);
if (!entries || model.isDisposed()) {
return;
}
// Fetch lib files if necessary
await this._libFiles.fetchLibFilesIfNecessary(entries.map(entry => Uri.parse(entry.fileName)));
if (model.isDisposed()) {
return;
}
const result: monaco.languages.Location[] = [];
for (let entry of entries) {
const uri = Uri.parse(entry.fileName);
const refModel = this._libFiles.getOrCreateModel(uri);
if (refModel) {
result.push({
uri: uri,
range: this._textSpanToRange(refModel, entry.textSpan)
});
}
}
return result;
}
}
// --- references ------
export class ReferenceAdapter extends Adapter implements monaco.languages.ReferenceProvider {
constructor(
private readonly _libFiles: LibFiles,
worker: (...uris: Uri[]) => Promise<TypeScriptWorker>
) {
super(worker);
}
public async provideReferences(model: monaco.editor.ITextModel, position: Position, context: monaco.languages.ReferenceContext, token: CancellationToken): Promise<monaco.languages.Location[] | undefined> {
const resource = model.uri;
const offset = model.getOffsetAt(position);
const worker = await this._worker(resource);
const entries = await worker.getReferencesAtPosition(resource.toString(), offset);
if (!entries || model.isDisposed()) {
return;
}
// Fetch lib files if necessary
await this._libFiles.fetchLibFilesIfNecessary(entries.map(entry => Uri.parse(entry.fileName)));
if (model.isDisposed()) {
return;
}
const result: monaco.languages.Location[] = [];
for (let entry of entries) {
const uri = Uri.parse(entry.fileName);
const refModel = this._libFiles.getOrCreateModel(uri);
if (refModel) {
result.push({
uri: uri,
range: this._textSpanToRange(refModel, entry.textSpan)
});
}
}
return result;
}
}
// --- outline ------
export class OutlineAdapter extends Adapter implements monaco.languages.DocumentSymbolProvider {
public async provideDocumentSymbols(model: monaco.editor.ITextModel, token: CancellationToken): Promise<monaco.languages.DocumentSymbol[] | undefined> {
const resource = model.uri;
const worker = await this._worker(resource);
const items = await worker.getNavigationBarItems(resource.toString());
if (!items || model.isDisposed()) {
return;
}
const convert = (bucket: monaco.languages.DocumentSymbol[], item: ts.NavigationBarItem, containerLabel?: string): void => {
let result: monaco.languages.DocumentSymbol = {
name: item.text,
detail: '',
kind: <monaco.languages.SymbolKind>(outlineTypeTable[item.kind] || monaco.languages.SymbolKind.Variable),
range: this._textSpanToRange(model, item.spans[0]),
selectionRange: this._textSpanToRange(model, item.spans[0]),
tags: [],
containerName: containerLabel
};
if (item.childItems && item.childItems.length > 0) {
for (let child of item.childItems) {
convert(bucket, child, result.name);
}
}
bucket.push(result);
}
let result: monaco.languages.DocumentSymbol[] = [];
items.forEach(item => convert(result, item));
return result;
}
}
export class Kind {
public static unknown: string = '';
public static keyword: string = 'keyword';
public static script: string = 'script';
public static module: string = 'module';
public static class: string = 'class';
public static interface: string = 'interface';
public static type: string = 'type';
public static enum: string = 'enum';
public static variable: string = 'var';
public static localVariable: string = 'local var';
public static function: string = 'function';
public static localFunction: string = 'local function';
public static memberFunction: string = 'method';
public static memberGetAccessor: string = 'getter';
public static memberSetAccessor: string = 'setter';
public static memberVariable: string = 'property';
public static constructorImplementation: string = 'constructor';
public static callSignature: string = 'call';
public static indexSignature: string = 'index';
public static constructSignature: string = 'construct';
public static parameter: string = 'parameter';
public static typeParameter: string = 'type parameter';
public static primitiveType: string = 'primitive type';
public static label: string = 'label';
public static alias: string = 'alias';
public static const: string = 'const';
public static let: string = 'let';
public static warning: string = 'warning';
}
let outlineTypeTable: { [kind: string]: monaco.languages.SymbolKind } = Object.create(null);
outlineTypeTable[Kind.module] = monaco.languages.SymbolKind.Module;
outlineTypeTable[Kind.class] = monaco.languages.SymbolKind.Class;
outlineTypeTable[Kind.enum] = monaco.languages.SymbolKind.Enum;
outlineTypeTable[Kind.interface] = monaco.languages.SymbolKind.Interface;
outlineTypeTable[Kind.memberFunction] = monaco.languages.SymbolKind.Method;
outlineTypeTable[Kind.memberVariable] = monaco.languages.SymbolKind.Property;
outlineTypeTable[Kind.memberGetAccessor] = monaco.languages.SymbolKind.Property;
outlineTypeTable[Kind.memberSetAccessor] = monaco.languages.SymbolKind.Property;
outlineTypeTable[Kind.variable] = monaco.languages.SymbolKind.Variable;
outlineTypeTable[Kind.const] = monaco.languages.SymbolKind.Variable;
outlineTypeTable[Kind.localVariable] = monaco.languages.SymbolKind.Variable;
outlineTypeTable[Kind.variable] = monaco.languages.SymbolKind.Variable;
outlineTypeTable[Kind.function] = monaco.languages.SymbolKind.Function;
outlineTypeTable[Kind.localFunction] = monaco.languages.SymbolKind.Function;
// --- formatting ----
export abstract class FormatHelper extends Adapter {
protected static _convertOptions(options: monaco.languages.FormattingOptions): ts.FormatCodeOptions {
return {
ConvertTabsToSpaces: options.insertSpaces,
TabSize: options.tabSize,
IndentSize: options.tabSize,
IndentStyle: IndentStyle.Smart,
NewLineCharacter: '\n',
InsertSpaceAfterCommaDelimiter: true,
InsertSpaceAfterSemicolonInForStatements: true,
InsertSpaceBeforeAndAfterBinaryOperators: true,
InsertSpaceAfterKeywordsInControlFlowStatements: true,
InsertSpaceAfterFunctionKeywordForAnonymousFunctions: true,
InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: false,
InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: false,
InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: false,
PlaceOpenBraceOnNewLineForControlBlocks: false,
PlaceOpenBraceOnNewLineForFunctions: false
};
}
protected _convertTextChanges(model: monaco.editor.ITextModel, change: ts.TextChange): monaco.languages.TextEdit {
return {
text: change.newText,
range: this._textSpanToRange(model, change.span)
};
}
}
export class FormatAdapter extends FormatHelper implements monaco.languages.DocumentRangeFormattingEditProvider {
public async provideDocumentRangeFormattingEdits(model: monaco.editor.ITextModel, range: Range, options: monaco.languages.FormattingOptions, token: CancellationToken): Promise<monaco.languages.TextEdit[] | undefined> {
const resource = model.uri;
const startOffset = model.getOffsetAt({ lineNumber: range.startLineNumber, column: range.startColumn });
const endOffset = model.getOffsetAt({ lineNumber: range.endLineNumber, column: range.endColumn });
const worker = await this._worker(resource);
const edits = await worker.getFormattingEditsForRange(resource.toString(), startOffset, endOffset, FormatHelper._convertOptions(options));
if (!edits || model.isDisposed()) {
return;
}
return edits.map(edit => this._convertTextChanges(model, edit));
}
}
export class FormatOnTypeAdapter extends FormatHelper implements monaco.languages.OnTypeFormattingEditProvider {
get autoFormatTriggerCharacters() {
return [';', '}', '\n'];
}
public async provideOnTypeFormattingEdits(model: monaco.editor.ITextModel, position: Position, ch: string, options: monaco.languages.FormattingOptions, token: CancellationToken): Promise<monaco.languages.TextEdit[] | undefined> {
const resource = model.uri;
const offset = model.getOffsetAt(position);
const worker = await this._worker(resource);
const edits = await worker.getFormattingEditsAfterKeystroke(resource.toString(), offset, ch, FormatHelper._convertOptions(options));
if (!edits || model.isDisposed()) {
return;
}
return edits.map(edit => this._convertTextChanges(model, edit));
}
}
// --- code actions ------
export class CodeActionAdaptor extends FormatHelper implements monaco.languages.CodeActionProvider {
public async provideCodeActions(model: monaco.editor.ITextModel, range: Range, context: monaco.languages.CodeActionContext, token: CancellationToken): Promise<monaco.languages.CodeActionList> {
const resource = model.uri;
const start = model.getOffsetAt({ lineNumber: range.startLineNumber, column: range.startColumn });
const end = model.getOffsetAt({ lineNumber: range.endLineNumber, column: range.endColumn });
const formatOptions = FormatHelper._convertOptions(model.getOptions());
const errorCodes = context.markers.filter(m => m.code).map(m => m.code).map(Number);
const worker = await this._worker(resource);
const codeFixes = await worker.getCodeFixesAtPosition(resource.toString(), start, end, errorCodes, formatOptions);
if (!codeFixes || model.isDisposed()) {
return { actions: [], dispose: () => { } };
}
const actions = codeFixes.filter(fix => {
// Removes any 'make a new file'-type code fix
return fix.changes.filter(change => change.isNewFile).length === 0;
}).map(fix => {
return this._tsCodeFixActionToMonacoCodeAction(model, context, fix);
});
return {
actions: actions,
dispose: () => { }
};
}
private _tsCodeFixActionToMonacoCodeAction(model: monaco.editor.ITextModel, context: monaco.languages.CodeActionContext, codeFix: ts.CodeFixAction): monaco.languages.CodeAction {
const edits: monaco.languages.WorkspaceTextEdit[] = [];
for (const change of codeFix.changes) {
for (const textChange of change.textChanges) {
edits.push({
resource: model.uri,
edit: {
range: this._textSpanToRange(model, textChange.span),
text: textChange.newText
}
});
}
}
const action: monaco.languages.CodeAction = {
title: codeFix.description,
edit: { edits: edits },
diagnostics: context.markers,
kind: "quickfix"
};
return action;
}
}
// --- rename ----
export class RenameAdapter extends Adapter implements monaco.languages.RenameProvider {
public async provideRenameEdits(model: monaco.editor.ITextModel, position: Position, newName: string, token: CancellationToken): Promise<monaco.languages.WorkspaceEdit & monaco.languages.Rejection | undefined> {
const resource = model.uri;
const fileName = resource.toString();
const offset = model.getOffsetAt(position);
const worker = await this._worker(resource);
const renameInfo = await worker.getRenameInfo(fileName, offset, { allowRenameOfImportPath: false });
if (renameInfo.canRename === false) { // use explicit comparison so that the discriminated union gets resolved properly
return {
edits: [],
rejectReason: renameInfo.localizedErrorMessage
};
}
if (renameInfo.fileToRename !== undefined) {
throw new Error("Renaming files is not supported.");
}
const renameLocations = await worker.findRenameLocations(fileName, offset, /*strings*/ false, /*comments*/ false, /*prefixAndSuffix*/ false);
if (!renameLocations || model.isDisposed()) {
return;
}
const edits: monaco.languages.WorkspaceTextEdit[] = [];
for (const renameLocation of renameLocations) {
edits.push({
resource: monaco.Uri.parse(renameLocation.fileName),
edit: {
range: this._textSpanToRange(model, renameLocation.textSpan),
text: newName
}
});
}
return { edits };
}
}