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https://github.com/swc-project/swc.git
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fec189f2f3
bundler: - Prevent stack overflow. (denoland/deno#9752) testing: - Bump version - Fix handling of paths on windows. testing_macros: - Bump version - Correctly ignore files.
326 lines
8.9 KiB
TypeScript
326 lines
8.9 KiB
TypeScript
// Loaded from https://deno.land/x/cliffy@v0.18.0/command/completions/_zsh_completions_generator.ts
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import type { Command } from "../command.ts";
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import type { IArgument, IOption } from "../types.ts";
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interface ICompletionAction {
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arg: IArgument;
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label: string;
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name: string;
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cmd: string;
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}
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/** Generates zsh completions script. */
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export class ZshCompletionsGenerator {
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private actions: Map<string, ICompletionAction> = new Map();
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/** Generates zsh completions script for given command. */
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public static generate(cmd: Command) {
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return new ZshCompletionsGenerator(cmd).generate();
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}
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private constructor(protected cmd: Command) {}
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/** Generates zsh completions code. */
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private generate(): string {
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const path = this.cmd.getPath();
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const name = this.cmd.getName();
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const version: string | undefined = this.cmd.getVersion()
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? ` v${this.cmd.getVersion()}`
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: "";
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return `#!/usr/bin/env zsh
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# zsh completion support for ${path}${version}
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autoload -U is-at-least
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# shellcheck disable=SC2154
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(( $+functions[__${replaceSpecialChars(name)}_complete] )) ||
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function __${replaceSpecialChars(name)}_complete {
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local name="$1"; shift
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local action="$1"; shift
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integer ret=1
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local -a values
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local expl lines
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_tags "$name"
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while _tags; do
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if _requested "$name"; then
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# shellcheck disable=SC2034
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lines="$(${name} completions complete "\${action}" "\${@}")"
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values=("\${(ps:\\n:)lines}")
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if (( \${#values[@]} )); then
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while _next_label "$name" expl "$action"; do
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compadd -S '' "\${expl[@]}" "\${values[@]}"
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done
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fi
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fi
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done
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}
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${this.generateCompletions(this.cmd).trim()}
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# _${replaceSpecialChars(path)} "\${@}"
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compdef _${replaceSpecialChars(path)} ${path}
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`;
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}
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/** Generates zsh completions method for given command and child commands. */
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private generateCompletions(command: Command, path = ""): string {
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if (
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!command.hasCommands(false) && !command.hasOptions(false) &&
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!command.hasArguments()
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) {
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return "";
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}
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path = (path ? path + " " : "") + command.getName();
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return `# shellcheck disable=SC2154
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(( $+functions[_${replaceSpecialChars(path)}] )) ||
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function _${replaceSpecialChars(path)}() {` +
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(!command.getParent()
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? `
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local state`
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: "") +
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this.generateCommandCompletions(command, path) +
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this.generateSubCommandCompletions(command, path) +
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this.generateArgumentCompletions(command, path) +
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this.generateActions(command) +
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`\n}\n\n` +
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command.getCommands(false)
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.filter((subCommand: Command) => subCommand !== command)
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.map((subCommand: Command) =>
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this.generateCompletions(subCommand, path)
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)
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.join("");
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}
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private generateCommandCompletions(command: Command, path: string): string {
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const commands = command.getCommands(false);
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let completions: string = commands
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.map((subCommand: Command) =>
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`'${subCommand.getName()}:${subCommand.getShortDescription()}'`
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)
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.join("\n ");
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if (completions) {
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completions = `
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local -a commands
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# shellcheck disable=SC2034
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commands=(
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${completions}
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)
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_describe 'command' commands`;
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}
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if (command.hasArguments()) {
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const completionsPath: string = path.split(" ").slice(1).join(" ");
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// @TODO: support multiple arguments zsh completions
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const arg: IArgument = command.getArguments()[0];
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const action = this.addAction(arg, completionsPath);
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if (action && command.getCompletion(arg.action)) {
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completions += `\n __${
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replaceSpecialChars(this.cmd.getName())
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}_complete ${action.arg.name} ${action.arg.action} ${action.cmd}`;
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}
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}
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if (completions) {
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completions = `\n\n function _commands() {${completions}\n }`;
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}
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return completions;
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}
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private generateSubCommandCompletions(
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command: Command,
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path: string,
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): string {
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if (command.hasCommands(false)) {
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const actions: string = command
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.getCommands(false)
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.map((command: Command) =>
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`${command.getName()}) _${
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replaceSpecialChars(path + " " + command.getName())
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} ;;`
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)
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.join("\n ");
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return `\n
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function _command_args() {
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case "\${words[1]}" in\n ${actions}\n esac
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}`;
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}
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return "";
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}
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private generateArgumentCompletions(command: Command, path: string): string {
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/* clear actions from previously parsed command. */
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this.actions.clear();
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const options: string[] = this.generateOptions(command, path);
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let argIndex = 0;
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// @TODO: add stop early option: -A "-*"
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// http://zsh.sourceforge.net/Doc/Release/Completion-System.html
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let argsCommand = "\n\n _arguments -w -s -S -C";
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if (command.hasOptions()) {
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argsCommand += ` \\\n ${options.join(" \\\n ")}`;
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}
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if (
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command.hasCommands(false) || (
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command.getArguments()
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.filter((arg) => command.getCompletion(arg.action)).length
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)
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) {
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argsCommand += ` \\\n '${++argIndex}: :_commands'`;
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}
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if (command.hasArguments() || command.hasCommands(false)) {
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const args: string[] = [];
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for (const arg of command.getArguments().slice(1)) {
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const completionsPath: string = path.split(" ").slice(1).join(" ");
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const action = this.addAction(arg, completionsPath);
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args.push(
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`${++argIndex}${arg.optionalValue ? "::" : ":"}${action.name}`,
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);
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}
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argsCommand += args.map((arg: string) => `\\\n '${arg}'`).join("");
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if (command.hasCommands(false)) {
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argsCommand += ` \\\n '*:: :->command_args'`;
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}
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}
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return argsCommand;
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}
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private generateOptions(command: Command, path: string) {
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const options: string[] = [];
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const cmdArgs: string[] = path.split(" ");
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const _baseName: string = cmdArgs.shift() as string;
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const completionsPath: string = cmdArgs.join(" ");
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const excludedFlags: string[] = command.getOptions(false)
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.map((option) => option.standalone ? option.flags : false)
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.flat()
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.filter((flag) => typeof flag === "string") as string[];
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for (const option of command.getOptions(false)) {
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options.push(this.generateOption(option, completionsPath, excludedFlags));
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}
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return options;
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}
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private generateOption(
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option: IOption,
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completionsPath: string,
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excludedOptions: string[],
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): string {
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const flags = option.flags;
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let excludedFlags = option.conflicts?.length
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? [
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...excludedOptions,
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...option.conflicts.map((opt) => "--" + opt.replace(/^--/, "")),
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]
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: excludedOptions;
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excludedFlags = option.collect ? excludedFlags : [
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...excludedFlags,
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...flags,
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];
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let args = "";
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for (const arg of option.args) {
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const action = this.addAction(arg, completionsPath);
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if (arg.variadic) {
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args += `${arg.optionalValue ? "::" : ":"}${arg.name}:->${action.name}`;
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} else {
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args += `${arg.optionalValue ? "::" : ":"}${arg.name}:->${action.name}`;
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}
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}
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let description: string = option.description
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.trim()
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.split("\n")
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.shift() as string;
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// escape brackets and quotes
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description = description
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.replace(/\[/g, "\\[")
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.replace(/]/g, "\\]")
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.replace(/"/g, '\\"')
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.replace(/'/g, "'\"'\"'");
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const collect: string = option.collect ? "*" : "";
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if (option.standalone) {
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return `'(- *)'{${collect}${flags}}'[${description}]${args}'`;
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} else {
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const excluded: string = excludedFlags.length
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? `'(${excludedFlags.join(" ")})'`
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: "";
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if (collect || flags.length > 1) {
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return `${excluded}{${collect}${flags}}'[${description}]${args}'`;
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} else {
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return `${excluded}${flags}'[${description}]${args}'`;
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}
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}
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}
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private addAction(arg: IArgument, cmd: string): ICompletionAction {
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const action = `${arg.name}-${arg.action}`;
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if (!this.actions.has(action)) {
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this.actions.set(action, {
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arg: arg,
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label: `${arg.name}: ${arg.action}`,
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name: action,
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cmd,
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});
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}
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return this.actions.get(action) as ICompletionAction;
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}
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private generateActions(command: Command): string {
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let actions: string[] = [];
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if (this.actions.size) {
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actions = Array
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.from(this.actions)
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.map(([name, action]) =>
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`${name}) __${
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replaceSpecialChars(this.cmd.getName())
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}_complete ${action.arg.name} ${action.arg.action} ${action.cmd} ;;`
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);
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}
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if (command.hasCommands(false)) {
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actions.unshift(`command_args) _command_args ;;`);
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}
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if (actions.length) {
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return `\n\n case "$state" in\n ${actions.join("\n ")}\n esac`;
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}
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return "";
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}
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}
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function replaceSpecialChars(str: string): string {
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return str.replace(/[^a-zA-Z0-9]/g, "_");
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}
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