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- import Option from "./Option.ts";
- export const removeBrackets = (v: string) => v.replace(/[<[].+/, '').trim();
- export const findAllBrackets = (v: string) => {
- const ANGLED_BRACKET_RE_GLOBAL = /<([^>]+)>/g;
- const SQUARE_BRACKET_RE_GLOBAL = /\[([^\]]+)\]/g;
- const res = [];
- const parse = (match: string[]) => {
- let variadic = false;
- let value = match[1];
- if (value.startsWith('...')) {
- value = value.slice(3);
- variadic = true;
- }
- return {
- required: match[0].startsWith('<'),
- value,
- variadic
- };
- };
- let angledMatch;
- while (angledMatch = ANGLED_BRACKET_RE_GLOBAL.exec(v)) {
- res.push(parse(angledMatch));
- }
- let squareMatch;
- while (squareMatch = SQUARE_BRACKET_RE_GLOBAL.exec(v)) {
- res.push(parse(squareMatch));
- }
- return res;
- };
- interface MriOptions {
- alias: {
- [k: string]: string[];
- };
- boolean: string[];
- }
- export const getMriOptions = (options: Option[]) => {
- const result: MriOptions = {
- alias: {},
- boolean: []
- };
- for (const [index, option] of options.entries()) {
- // We do not set default values in mri options
- // Since its type (typeof) will be used to cast parsed arguments.
- // Which mean `--foo foo` will be parsed as `{foo: true}` if we have `{default:{foo: true}}`
- // Set alias
- if (option.names.length > 1) {
- result.alias[option.names[0]] = option.names.slice(1);
- } // Set boolean
- if (option.isBoolean) {
- if (option.negated) {
- // For negated option
- // We only set it to `boolean` type when there's no string-type option with the same name
- const hasStringTypeOption = options.some((o, i) => {
- return i !== index && o.names.some(name => option.names.includes(name)) && typeof o.required === 'boolean';
- });
- if (!hasStringTypeOption) {
- result.boolean.push(option.names[0]);
- }
- } else {
- result.boolean.push(option.names[0]);
- }
- }
- }
- return result;
- };
- export const findLongest = (arr: string[]) => {
- return arr.sort((a, b) => {
- return a.length > b.length ? -1 : 1;
- })[0];
- };
- export const padRight = (str: string, length: number) => {
- return str.length >= length ? str : `${str}${' '.repeat(length - str.length)}`;
- };
- export const camelcase = (input: string) => {
- return input.replace(/([a-z])-([a-z])/g, (_, p1, p2) => {
- return p1 + p2.toUpperCase();
- });
- };
- export const setDotProp = (obj: {
- [k: string]: any;
- }, keys: string[], val: any) => {
- let i = 0;
- let length = keys.length;
- let t = obj;
- let x;
- for (; i < length; ++i) {
- x = t[keys[i]];
- t = t[keys[i]] = i === length - 1 ? val : x != null ? x : !!~keys[i + 1].indexOf('.') || !(+keys[i + 1] > -1) ? {} : [];
- }
- };
- export const setByType = (obj: {
- [k: string]: any;
- }, transforms: {
- [k: string]: any;
- }) => {
- for (const key of Object.keys(transforms)) {
- const transform = transforms[key];
- if (transform.shouldTransform) {
- obj[key] = Array.prototype.concat.call([], obj[key]);
- if (typeof transform.transformFunction === 'function') {
- obj[key] = obj[key].map(transform.transformFunction);
- }
- }
- }
- };
- export const getFileName = (input: string) => {
- const m = /([^\\\/]+)$/.exec(input);
- return m ? m[1] : '';
- };
- export const camelcaseOptionName = (name: string) => {
- // Camelcase the option name
- // Don't camelcase anything after the dot `.`
- return name.split('.').map((v, i) => {
- return i === 0 ? camelcase(v) : v;
- }).join('.');
- };
- export class CACError extends Error {
- constructor(message: string) {
- super(message);
- this.name = this.constructor.name;
- if (typeof Error.captureStackTrace === 'function') {
- Error.captureStackTrace(this, this.constructor);
- } else {
- this.stack = new Error(message).stack;
- }
- }
- }
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