80 lines
2.5 KiB
JavaScript
80 lines
2.5 KiB
JavaScript
"use strict";
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// Copyright 2024 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Colours = void 0;
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/**
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* Handles figuring out if we can use ANSI colours and handing out the escape codes.
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*
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* This is for package-internal use only, and may change at any time.
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*
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* @private
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* @internal
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*/
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class Colours {
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/**
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* @param stream The stream (e.g. process.stderr)
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* @returns true if the stream should have colourization enabled
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*/
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static isEnabled(stream) {
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return (stream.isTTY &&
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(typeof stream.getColorDepth === 'function'
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? stream.getColorDepth() > 2
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: true));
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}
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static refresh() {
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Colours.enabled = Colours.isEnabled(process.stderr);
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if (!this.enabled) {
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Colours.reset = '';
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Colours.bright = '';
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Colours.dim = '';
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Colours.red = '';
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Colours.green = '';
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Colours.yellow = '';
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Colours.blue = '';
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Colours.magenta = '';
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Colours.cyan = '';
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Colours.white = '';
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Colours.grey = '';
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}
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else {
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Colours.reset = '\u001b[0m';
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Colours.bright = '\u001b[1m';
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Colours.dim = '\u001b[2m';
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Colours.red = '\u001b[31m';
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Colours.green = '\u001b[32m';
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Colours.yellow = '\u001b[33m';
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Colours.blue = '\u001b[34m';
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Colours.magenta = '\u001b[35m';
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Colours.cyan = '\u001b[36m';
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Colours.white = '\u001b[37m';
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Colours.grey = '\u001b[90m';
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}
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}
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}
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exports.Colours = Colours;
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Colours.enabled = false;
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Colours.reset = '';
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Colours.bright = '';
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Colours.dim = '';
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Colours.red = '';
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Colours.green = '';
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Colours.yellow = '';
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Colours.blue = '';
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Colours.magenta = '';
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Colours.cyan = '';
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Colours.white = '';
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Colours.grey = '';
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Colours.refresh();
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//# sourceMappingURL=colours.js.map
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