80 lines
2.1 KiB
JavaScript
80 lines
2.1 KiB
JavaScript
const {
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getSubHelpDescription,
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getHelpDescription,
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error,
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capitaliseFirstLetter,
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} = require("../utils")
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class Command {
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constructor(command, func = null) {
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// if there are options, need to just get the command name
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this.command = command
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this.opts = []
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this.func = func
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}
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convertToCommander(lookup) {
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const parts = lookup.toLowerCase().split("-")
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// camel case, separate out first
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const first = parts.shift()
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return [first]
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.concat(parts.map(part => capitaliseFirstLetter(part)))
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.join("")
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}
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addHelp(help) {
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this.help = help
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return this
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}
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addSubOption(command, help, func, extras = []) {
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this.opts.push({ command, help, func, extras })
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return this
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}
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configure(program) {
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const thisCmd = this
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let command = program.command(thisCmd.command)
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if (this.help) {
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command = command.description(getHelpDescription(thisCmd.help))
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}
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for (let opt of thisCmd.opts) {
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command = command.option(opt.command, getSubHelpDescription(opt.help))
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}
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command.helpOption(
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"--help",
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getSubHelpDescription(`Get help with ${this.command} options`)
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)
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command.action(async options => {
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try {
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let executed = false,
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found = false
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for (let opt of thisCmd.opts) {
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let lookup = opt.command.split(" ")[0].replace("--", "")
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// need to handle how commander converts watch-plugin-dir to watchPluginDir
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lookup = this.convertToCommander(lookup)
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found = !executed && options[lookup]
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if (found && opt.func) {
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const input =
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Object.keys(options).length > 1 ? options : options[lookup]
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await opt.func(input)
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executed = true
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}
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}
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if (found && !executed) {
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console.log(
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error(`${Object.keys(options)[0]} is an option, not an operation.`)
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)
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} else if (!executed) {
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console.log(error(`Unknown ${this.command} option.`))
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command.help()
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}
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} catch (err) {
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console.log(error(err))
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}
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})
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}
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}
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module.exports = Command
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