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41 lines
875 B
TypeScript
41 lines
875 B
TypeScript
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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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// TODO(kitsonk) Replace with `deno_std/colors/mod.ts` when we can load modules
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// which end in `.ts`.
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import { noColor } from "./os";
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interface Code {
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open: string;
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close: string;
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regexp: RegExp;
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}
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let enabled = !noColor;
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function code(open: number, close: number): Code {
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return {
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open: `\x1b[${open}m`,
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close: `\x1b[${close}m`,
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regexp: new RegExp(`\\x1b\\[${close}m`, "g")
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};
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}
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function run(str: string, code: Code): string {
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return enabled
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? `${code.open}${str.replace(code.regexp, code.open)}${code.close}`
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: str;
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}
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export function bold(str: string): string {
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return run(str, code(1, 22));
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}
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export function yellow(str: string): string {
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return run(str, code(33, 39));
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}
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export function cyan(str: string): string {
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return run(str, code(36, 39));
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}
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