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Added RANDOM, RANDOM_HEX snippet variables #82529

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merged 1 commit into from Oct 16, 2019
Merged

Added RANDOM, RANDOM_HEX snippet variables #82529

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3 changes: 2 additions & 1 deletion src/vs/editor/contrib/snippet/snippetSession.ts
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Expand Up @@ -18,7 +18,7 @@ import { IClipboardService } from 'vs/platform/clipboard/common/clipboardService
import { IWorkspaceContextService } from 'vs/platform/workspace/common/workspace';
import { optional } from 'vs/platform/instantiation/common/instantiation';
import { Choice, Placeholder, SnippetParser, Text, TextmateSnippet, Marker } from './snippetParser';
import { ClipboardBasedVariableResolver, CompositeSnippetVariableResolver, ModelBasedVariableResolver, SelectionBasedVariableResolver, TimeBasedVariableResolver, CommentBasedVariableResolver, WorkspaceBasedVariableResolver } from './snippetVariables';
import { ClipboardBasedVariableResolver, CompositeSnippetVariableResolver, ModelBasedVariableResolver, SelectionBasedVariableResolver, TimeBasedVariableResolver, CommentBasedVariableResolver, WorkspaceBasedVariableResolver, RandomBasedVariableResolver } from './snippetVariables';
import { registerThemingParticipant } from 'vs/platform/theme/common/themeService';
import * as colors from 'vs/platform/theme/common/colorRegistry';
import { withNullAsUndefined } from 'vs/base/common/types';
Expand Down Expand Up @@ -450,6 +450,7 @@ export class SnippetSession {
new CommentBasedVariableResolver(model),
new TimeBasedVariableResolver,
new WorkspaceBasedVariableResolver(workspaceService),
new RandomBasedVariableResolver,
]));

const offset = model.getOffsetAt(start) + delta;
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17 changes: 17 additions & 0 deletions src/vs/editor/contrib/snippet/snippetVariables.ts
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Expand Up @@ -46,6 +46,8 @@ export const KnownSnippetVariableNames: { [key: string]: true } = Object.freeze(
'LINE_COMMENT': true,
'WORKSPACE_NAME': true,
'WORKSPACE_FOLDER': true,
'RANDOM': true,
'RANDOM_HEX': true,
});

export class CompositeSnippetVariableResolver implements VariableResolver {
Expand Down Expand Up @@ -316,3 +318,18 @@ export class WorkspaceBasedVariableResolver implements VariableResolver {
return (folderpath ? normalizeDriveLetter(folderpath) : '/');
}
}

export class RandomBasedVariableResolver implements VariableResolver {
resolve(variable: Variable): string | undefined {
const { name } = variable;

if (name === 'RANDOM') {
return Math.random().toString().slice(-6);
}
else if (name === 'RANDOM_HEX') {
return Math.random().toString(16).slice(-6);
}

return undefined;
}
}