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debt - load onigasm lazy

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This commit is contained in:
Benjamin Pasero
2019-09-10 14:53:42 +02:00
parent afffb1e7a7
commit 8bd809ffc9
2 changed files with 10 additions and 8 deletions
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17
src/vs/workbench/services/textMate/browser/textMateService.ts
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@@ -6,8 +6,7 @@
import { ITextMateService } from 'vs/workbench/services/textMate/common/textMateService';
import { registerSingleton } from 'vs/platform/instantiation/common/extensions';
import { AbstractTextMateService } from 'vs/workbench/services/textMate/browser/abstractTextMateService';
import * as vscodeTextmate from 'vscode-textmate';
import * as onigasm from 'onigasm-umd';
import { IOnigLib } from 'vscode-textmate';
import { IModeService } from 'vs/editor/common/services/modeService';
import { IFileService } from 'vs/platform/files/common/files';
import { ILogService } from 'vs/platform/log/common/log';
@@ -34,21 +33,25 @@ export class TextMateService extends AbstractTextMateService {
return import('vscode-textmate');
}
protected _loadOnigLib(): Promise<vscodeTextmate.IOnigLib> | undefined {
protected _loadOnigLib(): Promise<IOnigLib> | undefined {
return loadOnigasm();
}
}
let onigasmPromise: Promise<vscodeTextmate.IOnigLib> | null = null;
async function loadOnigasm(): Promise<vscodeTextmate.IOnigLib> {
let onigasmPromise: Promise<IOnigLib> | null = null;
async function loadOnigasm(): Promise<IOnigLib> {
if (!onigasmPromise) {
onigasmPromise = doLoadOnigasm();
}
return onigasmPromise;
}
async function doLoadOnigasm(): Promise<vscodeTextmate.IOnigLib> {
const wasmBytes = await loadOnigasmWASM();
async function doLoadOnigasm(): Promise<IOnigLib> {
const [wasmBytes, onigasm] = await Promise.all([
loadOnigasmWASM(),
import('onigasm-umd')
]);
await onigasm.loadWASM(wasmBytes);
return {
createOnigScanner(patterns: string[]) { return new onigasm.OnigScanner(patterns); },