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list all .bash_aliases pretty
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| #!/usr/bin/env node | |
| // @ts-check | |
| import { readFileSync } from "fs" | |
| const aliases = readFileSync("/root/.bash_aliases", { encoding: "utf8" }) | |
| const dim = (/** @type string */ str) => `\x1b[2m${str}\x1b[0m` | |
| const bright = (/** @type string */ str) => `\x1b[34m${str}\x1b[0m` | |
| const lines = aliases.trim().split("\n") | |
| /** | |
| * @type Array<[string[], string]> | |
| */ | |
| const mapped = lines.map((a) => { | |
| const removedAlias = a.replace("alias ", "") | |
| const removedQuotes = removedAlias.replace(/\"|\'/g, "") | |
| const [shorthand, longhand] = removedQuotes.split("=") | |
| return [[shorthand], longhand] | |
| }) | |
| const deduplicated = ((shortcuts) => { | |
| /** | |
| * @type Array<[string[], string]> | |
| */ | |
| const ret = [] | |
| for (const [[shorthand], longhand] of shortcuts) { | |
| // check if the longhand already exists in the return object | |
| const existingIndex = ret.findIndex(([shorthands]) => shorthands.includes(longhand)) | |
| // if yes: add it to the already exitsing shortcut | |
| // if no: add it to the return object | |
| if (existingIndex >= 0) { | |
| ret[existingIndex][0].push(shorthand) | |
| } else ret.push([[shorthand], longhand]) | |
| } | |
| return ret | |
| })(mapped) | |
| const joinedShorthands = deduplicated.map(([shorthands, longhand]) => [ | |
| [...shorthands].reverse().join(", "), | |
| longhand, | |
| ]) | |
| const joinedShortcut = joinedShorthands.map( | |
| ([shorthand, longhand]) => `${bright(shorthand)}\n ${dim(longhand)}`, | |
| ) | |
| const joinedLines = joinedShortcut.join("\n") | |
| console.log(joinedLines) |
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