700 lines
17 KiB
JavaScript
700 lines
17 KiB
JavaScript
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const path = require("path");
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const webpackSchema = require("../schemas/WebpackOptions.json");
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/** @typedef {TODO & { absolutePath: boolean, instanceof: string, cli: { helper?: boolean, exclude?: boolean } }} Schema */
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// TODO add originPath to PathItem for better errors
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/**
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* @typedef {object} PathItem
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* @property {any} schema the part of the schema
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* @property {string} path the path in the config
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*/
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/** @typedef {"unknown-argument" | "unexpected-non-array-in-path" | "unexpected-non-object-in-path" | "multiple-values-unexpected" | "invalid-value"} ProblemType */
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/**
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* @typedef {object} Problem
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* @property {ProblemType} type
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* @property {string} path
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* @property {string} argument
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* @property {any=} value
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* @property {number=} index
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* @property {string=} expected
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*/
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/**
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* @typedef {object} LocalProblem
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* @property {ProblemType} type
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* @property {string} path
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* @property {string=} expected
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*/
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/**
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* @typedef {object} ArgumentConfig
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* @property {string | undefined} description
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* @property {string} [negatedDescription]
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* @property {string} path
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* @property {boolean} multiple
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* @property {"enum"|"string"|"path"|"number"|"boolean"|"RegExp"|"reset"} type
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* @property {any[]=} values
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*/
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/** @typedef {"string" | "number" | "boolean"} SimpleType */
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/**
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* @typedef {object} Argument
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* @property {string | undefined} description
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* @property {SimpleType} simpleType
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* @property {boolean} multiple
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* @property {ArgumentConfig[]} configs
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*/
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/** @typedef {string | number | boolean | RegExp | (string | number | boolean | RegExp)} Value */
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/** @typedef {Record<string, Argument>} Flags */
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/**
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* @param {Schema=} schema a json schema to create arguments for (by default webpack schema is used)
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* @returns {Flags} object of arguments
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*/
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const getArguments = (schema = webpackSchema) => {
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/** @type {Flags} */
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const flags = {};
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/**
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* @param {string} input input
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* @returns {string} result
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*/
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const pathToArgumentName = input =>
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input
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.replace(/\./g, "-")
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.replace(/\[\]/g, "")
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.replace(
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/(\p{Uppercase_Letter}+|\p{Lowercase_Letter}|\d)(\p{Uppercase_Letter}+)/gu,
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"$1-$2"
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)
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.replace(/-?[^\p{Uppercase_Letter}\p{Lowercase_Letter}\d]+/gu, "-")
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.toLowerCase();
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/**
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* @param {string} path path
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* @returns {Schema} schema part
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*/
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const getSchemaPart = path => {
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const newPath = path.split("/");
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let schemaPart = schema;
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for (let i = 1; i < newPath.length; i++) {
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const inner = schemaPart[newPath[i]];
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if (!inner) {
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break;
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}
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schemaPart = inner;
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}
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return schemaPart;
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};
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/**
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* @param {PathItem[]} path path in the schema
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* @returns {string | undefined} description
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*/
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const getDescription = path => {
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for (const { schema } of path) {
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if (schema.cli) {
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if (schema.cli.helper) continue;
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if (schema.cli.description) return schema.cli.description;
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}
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if (schema.description) return schema.description;
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}
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};
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/**
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* @param {PathItem[]} path path in the schema
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* @returns {string | undefined} negative description
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*/
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const getNegatedDescription = path => {
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for (const { schema } of path) {
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if (schema.cli) {
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if (schema.cli.helper) continue;
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if (schema.cli.negatedDescription) return schema.cli.negatedDescription;
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}
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}
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};
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/**
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* @param {PathItem[]} path path in the schema
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* @returns {string | undefined} reset description
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*/
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const getResetDescription = path => {
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for (const { schema } of path) {
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if (schema.cli) {
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if (schema.cli.helper) continue;
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if (schema.cli.resetDescription) return schema.cli.resetDescription;
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}
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}
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};
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/**
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* @param {Schema} schemaPart schema
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* @returns {Pick<ArgumentConfig, "type"|"values"> | undefined} partial argument config
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*/
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const schemaToArgumentConfig = schemaPart => {
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if (schemaPart.enum) {
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return {
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type: "enum",
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values: schemaPart.enum
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};
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}
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switch (schemaPart.type) {
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case "number":
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return {
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type: "number"
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};
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case "string":
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return {
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type: schemaPart.absolutePath ? "path" : "string"
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};
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case "boolean":
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return {
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type: "boolean"
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};
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}
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if (schemaPart.instanceof === "RegExp") {
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return {
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type: "RegExp"
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};
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}
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return undefined;
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};
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/**
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* @param {PathItem[]} path path in the schema
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* @returns {void}
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*/
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const addResetFlag = path => {
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const schemaPath = path[0].path;
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const name = pathToArgumentName(`${schemaPath}.reset`);
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const description =
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getResetDescription(path) ||
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`Clear all items provided in '${schemaPath}' configuration. ${getDescription(
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path
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)}`;
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flags[name] = {
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configs: [
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{
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type: "reset",
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multiple: false,
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description,
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path: schemaPath
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}
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],
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description: undefined,
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simpleType:
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/** @type {SimpleType} */
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(/** @type {unknown} */ (undefined)),
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multiple: /** @type {boolean} */ (/** @type {unknown} */ (undefined))
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};
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};
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/**
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* @param {PathItem[]} path full path in schema
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* @param {boolean} multiple inside of an array
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* @returns {number} number of arguments added
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*/
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const addFlag = (path, multiple) => {
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const argConfigBase = schemaToArgumentConfig(path[0].schema);
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if (!argConfigBase) return 0;
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const negatedDescription = getNegatedDescription(path);
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const name = pathToArgumentName(path[0].path);
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/** @type {ArgumentConfig} */
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const argConfig = {
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...argConfigBase,
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multiple,
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description: getDescription(path),
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path: path[0].path
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};
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if (negatedDescription) {
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argConfig.negatedDescription = negatedDescription;
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}
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if (!flags[name]) {
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flags[name] = {
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configs: [],
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description: undefined,
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simpleType:
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/** @type {SimpleType} */
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(/** @type {unknown} */ (undefined)),
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multiple: /** @type {boolean} */ (/** @type {unknown} */ (undefined))
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};
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}
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if (
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flags[name].configs.some(
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item => JSON.stringify(item) === JSON.stringify(argConfig)
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)
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) {
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return 0;
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}
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if (
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flags[name].configs.some(
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item => item.type === argConfig.type && item.multiple !== multiple
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)
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) {
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if (multiple) {
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throw new Error(
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`Conflicting schema for ${path[0].path} with ${argConfig.type} type (array type must be before single item type)`
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);
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}
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return 0;
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}
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flags[name].configs.push(argConfig);
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return 1;
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};
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// TODO support `not` and `if/then/else`
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// TODO support `const`, but we don't use it on our schema
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/**
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* @param {Schema} schemaPart the current schema
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* @param {string} schemaPath the current path in the schema
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* @param {{schema: object, path: string}[]} path all previous visited schemaParts
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* @param {string | null} inArray if inside of an array, the path to the array
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* @returns {number} added arguments
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*/
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const traverse = (schemaPart, schemaPath = "", path = [], inArray = null) => {
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while (schemaPart.$ref) {
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schemaPart = getSchemaPart(schemaPart.$ref);
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}
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const repetitions = path.filter(({ schema }) => schema === schemaPart);
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if (
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repetitions.length >= 2 ||
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repetitions.some(({ path }) => path === schemaPath)
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) {
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return 0;
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}
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if (schemaPart.cli && schemaPart.cli.exclude) return 0;
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const fullPath = [{ schema: schemaPart, path: schemaPath }, ...path];
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let addedArguments = 0;
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addedArguments += addFlag(fullPath, Boolean(inArray));
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if (schemaPart.type === "object") {
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if (schemaPart.properties) {
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for (const property of Object.keys(schemaPart.properties)) {
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addedArguments += traverse(
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/** @type {Schema} */
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(schemaPart.properties[property]),
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schemaPath ? `${schemaPath}.${property}` : property,
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fullPath,
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inArray
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);
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}
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}
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return addedArguments;
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}
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if (schemaPart.type === "array") {
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if (inArray) {
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return 0;
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}
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if (Array.isArray(schemaPart.items)) {
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const i = 0;
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for (const item of schemaPart.items) {
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addedArguments += traverse(
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/** @type {Schema} */
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(item),
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`${schemaPath}.${i}`,
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fullPath,
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schemaPath
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);
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}
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return addedArguments;
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}
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addedArguments += traverse(
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/** @type {Schema} */
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(schemaPart.items),
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`${schemaPath}[]`,
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fullPath,
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schemaPath
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);
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if (addedArguments > 0) {
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addResetFlag(fullPath);
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addedArguments++;
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}
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return addedArguments;
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}
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const maybeOf = schemaPart.oneOf || schemaPart.anyOf || schemaPart.allOf;
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if (maybeOf) {
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const items = maybeOf;
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for (let i = 0; i < items.length; i++) {
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addedArguments += traverse(
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/** @type {Schema} */
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(items[i]),
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schemaPath,
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fullPath,
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inArray
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);
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}
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return addedArguments;
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}
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return addedArguments;
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};
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traverse(schema);
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// Summarize flags
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for (const name of Object.keys(flags)) {
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/** @type {Argument} */
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const argument = flags[name];
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argument.description = argument.configs.reduce((desc, { description }) => {
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if (!desc) return description;
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if (!description) return desc;
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if (desc.includes(description)) return desc;
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return `${desc} ${description}`;
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}, /** @type {string | undefined} */ (undefined));
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argument.simpleType =
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/** @type {SimpleType} */
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(
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argument.configs.reduce((t, argConfig) => {
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/** @type {SimpleType} */
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let type = "string";
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switch (argConfig.type) {
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case "number":
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type = "number";
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break;
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case "reset":
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case "boolean":
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type = "boolean";
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break;
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case "enum": {
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const values =
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/** @type {NonNullable<ArgumentConfig["values"]>} */
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(argConfig.values);
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if (values.every(v => typeof v === "boolean")) type = "boolean";
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if (values.every(v => typeof v === "number")) type = "number";
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break;
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}
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}
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if (t === undefined) return type;
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return t === type ? t : "string";
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}, /** @type {SimpleType | undefined} */ (undefined))
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);
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argument.multiple = argument.configs.some(c => c.multiple);
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}
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|
||
|
|
return flags;
|
||
|
|
};
|
||
|
|
|
||
|
|
const cliAddedItems = new WeakMap();
|
||
|
|
|
||
|
|
/** @typedef {string | number} Property */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Configuration} config configuration
|
||
|
|
* @param {string} schemaPath path in the config
|
||
|
|
* @param {number | undefined} index index of value when multiple values are provided, otherwise undefined
|
||
|
|
* @returns {{ problem?: LocalProblem, object?: any, property?: Property, value?: any }} problem or object with property and value
|
||
|
|
*/
|
||
|
|
const getObjectAndProperty = (config, schemaPath, index = 0) => {
|
||
|
|
if (!schemaPath) return { value: config };
|
||
|
|
const parts = schemaPath.split(".");
|
||
|
|
const property = /** @type {string} */ (parts.pop());
|
||
|
|
let current = config;
|
||
|
|
let i = 0;
|
||
|
|
for (const part of parts) {
|
||
|
|
const isArray = part.endsWith("[]");
|
||
|
|
const name = isArray ? part.slice(0, -2) : part;
|
||
|
|
let value = current[name];
|
||
|
|
if (isArray) {
|
||
|
|
if (value === undefined) {
|
||
|
|
value = {};
|
||
|
|
current[name] = [...Array.from({ length: index }), value];
|
||
|
|
cliAddedItems.set(current[name], index + 1);
|
||
|
|
} else if (!Array.isArray(value)) {
|
||
|
|
return {
|
||
|
|
problem: {
|
||
|
|
type: "unexpected-non-array-in-path",
|
||
|
|
path: parts.slice(0, i).join(".")
|
||
|
|
}
|
||
|
|
};
|
||
|
|
} else {
|
||
|
|
let addedItems = cliAddedItems.get(value) || 0;
|
||
|
|
while (addedItems <= index) {
|
||
|
|
value.push(undefined);
|
||
|
|
addedItems++;
|
||
|
|
}
|
||
|
|
cliAddedItems.set(value, addedItems);
|
||
|
|
const x = value.length - addedItems + index;
|
||
|
|
if (value[x] === undefined) {
|
||
|
|
value[x] = {};
|
||
|
|
} else if (value[x] === null || typeof value[x] !== "object") {
|
||
|
|
return {
|
||
|
|
problem: {
|
||
|
|
type: "unexpected-non-object-in-path",
|
||
|
|
path: parts.slice(0, i).join(".")
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
value = value[x];
|
||
|
|
}
|
||
|
|
} else if (value === undefined) {
|
||
|
|
value = current[name] = {};
|
||
|
|
} else if (value === null || typeof value !== "object") {
|
||
|
|
return {
|
||
|
|
problem: {
|
||
|
|
type: "unexpected-non-object-in-path",
|
||
|
|
path: parts.slice(0, i).join(".")
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
current = value;
|
||
|
|
i++;
|
||
|
|
}
|
||
|
|
const value = current[property];
|
||
|
|
if (property.endsWith("[]")) {
|
||
|
|
const name = property.slice(0, -2);
|
||
|
|
const value = current[name];
|
||
|
|
if (value === undefined) {
|
||
|
|
current[name] = [...Array.from({ length: index }), undefined];
|
||
|
|
cliAddedItems.set(current[name], index + 1);
|
||
|
|
return { object: current[name], property: index, value: undefined };
|
||
|
|
} else if (!Array.isArray(value)) {
|
||
|
|
current[name] = [value, ...Array.from({ length: index }), undefined];
|
||
|
|
cliAddedItems.set(current[name], index + 1);
|
||
|
|
return { object: current[name], property: index + 1, value: undefined };
|
||
|
|
}
|
||
|
|
let addedItems = cliAddedItems.get(value) || 0;
|
||
|
|
while (addedItems <= index) {
|
||
|
|
value.push(undefined);
|
||
|
|
addedItems++;
|
||
|
|
}
|
||
|
|
cliAddedItems.set(value, addedItems);
|
||
|
|
const x = value.length - addedItems + index;
|
||
|
|
if (value[x] === undefined) {
|
||
|
|
value[x] = {};
|
||
|
|
} else if (value[x] === null || typeof value[x] !== "object") {
|
||
|
|
return {
|
||
|
|
problem: {
|
||
|
|
type: "unexpected-non-object-in-path",
|
||
|
|
path: schemaPath
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
object: value,
|
||
|
|
property: x,
|
||
|
|
value: value[x]
|
||
|
|
};
|
||
|
|
}
|
||
|
|
return { object: current, property, value };
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Configuration} config configuration
|
||
|
|
* @param {string} schemaPath path in the config
|
||
|
|
* @param {any} value parsed value
|
||
|
|
* @param {number | undefined} index index of value when multiple values are provided, otherwise undefined
|
||
|
|
* @returns {LocalProblem | null} problem or null for success
|
||
|
|
*/
|
||
|
|
const setValue = (config, schemaPath, value, index) => {
|
||
|
|
const { problem, object, property } = getObjectAndProperty(
|
||
|
|
config,
|
||
|
|
schemaPath,
|
||
|
|
index
|
||
|
|
);
|
||
|
|
if (problem) return problem;
|
||
|
|
object[/** @type {Property} */ (property)] = value;
|
||
|
|
return null;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {ArgumentConfig} argConfig processing instructions
|
||
|
|
* @param {Configuration} config configuration
|
||
|
|
* @param {Value} value the value
|
||
|
|
* @param {number | undefined} index the index if multiple values provided
|
||
|
|
* @returns {LocalProblem | null} a problem if any
|
||
|
|
*/
|
||
|
|
const processArgumentConfig = (argConfig, config, value, index) => {
|
||
|
|
if (index !== undefined && !argConfig.multiple) {
|
||
|
|
return {
|
||
|
|
type: "multiple-values-unexpected",
|
||
|
|
path: argConfig.path
|
||
|
|
};
|
||
|
|
}
|
||
|
|
const parsed = parseValueForArgumentConfig(argConfig, value);
|
||
|
|
if (parsed === undefined) {
|
||
|
|
return {
|
||
|
|
type: "invalid-value",
|
||
|
|
path: argConfig.path,
|
||
|
|
expected: getExpectedValue(argConfig)
|
||
|
|
};
|
||
|
|
}
|
||
|
|
const problem = setValue(config, argConfig.path, parsed, index);
|
||
|
|
if (problem) return problem;
|
||
|
|
return null;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {ArgumentConfig} argConfig processing instructions
|
||
|
|
* @returns {string | undefined} expected message
|
||
|
|
*/
|
||
|
|
const getExpectedValue = argConfig => {
|
||
|
|
switch (argConfig.type) {
|
||
|
|
case "boolean":
|
||
|
|
return "true | false";
|
||
|
|
case "RegExp":
|
||
|
|
return "regular expression (example: /ab?c*/)";
|
||
|
|
case "enum":
|
||
|
|
return /** @type {NonNullable<ArgumentConfig["values"]>} */ (
|
||
|
|
argConfig.values
|
||
|
|
)
|
||
|
|
.map(v => `${v}`)
|
||
|
|
.join(" | ");
|
||
|
|
case "reset":
|
||
|
|
return "true (will reset the previous value to an empty array)";
|
||
|
|
default:
|
||
|
|
return argConfig.type;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {ArgumentConfig} argConfig processing instructions
|
||
|
|
* @param {Value} value the value
|
||
|
|
* @returns {any | undefined} parsed value
|
||
|
|
*/
|
||
|
|
const parseValueForArgumentConfig = (argConfig, value) => {
|
||
|
|
switch (argConfig.type) {
|
||
|
|
case "string":
|
||
|
|
if (typeof value === "string") {
|
||
|
|
return value;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case "path":
|
||
|
|
if (typeof value === "string") {
|
||
|
|
return path.resolve(value);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case "number":
|
||
|
|
if (typeof value === "number") return value;
|
||
|
|
if (typeof value === "string" && /^[+-]?\d*(\.\d*)[eE]\d+$/) {
|
||
|
|
const n = Number(value);
|
||
|
|
if (!Number.isNaN(n)) return n;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case "boolean":
|
||
|
|
if (typeof value === "boolean") return value;
|
||
|
|
if (value === "true") return true;
|
||
|
|
if (value === "false") return false;
|
||
|
|
break;
|
||
|
|
case "RegExp":
|
||
|
|
if (value instanceof RegExp) return value;
|
||
|
|
if (typeof value === "string") {
|
||
|
|
// cspell:word yugi
|
||
|
|
const match = /^\/(.*)\/([yugi]*)$/.exec(value);
|
||
|
|
if (match && !/[^\\]\//.test(match[1]))
|
||
|
|
return new RegExp(match[1], match[2]);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case "enum": {
|
||
|
|
const values =
|
||
|
|
/** @type {NonNullable<ArgumentConfig["values"]>} */
|
||
|
|
(argConfig.values);
|
||
|
|
if (values.includes(value)) return value;
|
||
|
|
for (const item of values) {
|
||
|
|
if (`${item}` === value) return item;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case "reset":
|
||
|
|
if (value === true) return [];
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/** @typedef {any} Configuration */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Flags} args object of arguments
|
||
|
|
* @param {Configuration} config configuration
|
||
|
|
* @param {Record<string, Value[]>} values object with values
|
||
|
|
* @returns {Problem[] | null} problems or null for success
|
||
|
|
*/
|
||
|
|
const processArguments = (args, config, values) => {
|
||
|
|
/** @type {Problem[]} */
|
||
|
|
const problems = [];
|
||
|
|
for (const key of Object.keys(values)) {
|
||
|
|
const arg = args[key];
|
||
|
|
if (!arg) {
|
||
|
|
problems.push({
|
||
|
|
type: "unknown-argument",
|
||
|
|
path: "",
|
||
|
|
argument: key
|
||
|
|
});
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* @param {Value} value value
|
||
|
|
* @param {number | undefined} i index
|
||
|
|
*/
|
||
|
|
const processValue = (value, i) => {
|
||
|
|
const currentProblems = [];
|
||
|
|
for (const argConfig of arg.configs) {
|
||
|
|
const problem = processArgumentConfig(argConfig, config, value, i);
|
||
|
|
if (!problem) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
currentProblems.push({
|
||
|
|
...problem,
|
||
|
|
argument: key,
|
||
|
|
value,
|
||
|
|
index: i
|
||
|
|
});
|
||
|
|
}
|
||
|
|
problems.push(...currentProblems);
|
||
|
|
};
|
||
|
|
const value = values[key];
|
||
|
|
if (Array.isArray(value)) {
|
||
|
|
for (let i = 0; i < value.length; i++) {
|
||
|
|
processValue(value[i], i);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
processValue(value, undefined);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (problems.length === 0) return null;
|
||
|
|
return problems;
|
||
|
|
};
|
||
|
|
|
||
|
|
module.exports.getArguments = getArguments;
|
||
|
|
module.exports.processArguments = processArguments;
|