Import other modules into monorepo
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import {Injectable, Inject} from "../di"
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import {infer, ErrorWithContext} from "../util"
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import {CLIOption} from "./directive/options/CLIOption"
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import {PositionalOption} from "./directive/options/PositionalOption";
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import {FlagOption} from "./directive/options/FlagOption";
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import {AppClass} from "../lifecycle/AppClass";
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import {Logging} from "../service/Logging";
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/**
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* Type alias for a definition of a command-line option.
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*
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* This can be either an instance of CLIOption or a string describing an option.
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*
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* @example
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* Some examples of positional/flag options defined by strings:
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* `'{file name} | canonical name of the resource to create'`
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*
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* `'--push -p {value} | the value to be pushed'`
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*
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* `'--force -f | do a force push'`
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*/
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export type OptionDefinition = CLIOption<any> | string
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/**
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* An error thrown when an invalid option was detected.
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*/
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export class OptionValidationError extends ErrorWithContext {}
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/**
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* A base class representing a sub-command in the command-line utility.
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*/
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@Injectable()
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export abstract class Directive extends AppClass {
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@Inject()
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protected readonly logging!: Logging
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/** Parsed option values. */
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private _optionValues: any
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/**
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* Get the keyword or array of keywords that will specify this directive.
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*
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* @example
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* If this returns `['up', 'start']`, the directive can be run by either of:
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*
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* ```shell
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* ./ex up
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* ./ex start
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* ```
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*/
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public abstract getKeywords(): string | string[]
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/**
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* Get the usage description of this directive. Should be brief (1 sentence).
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*/
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public abstract getDescription(): string
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/**
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* Optionally, specify a longer usage text that is shown on the directive's `--help` page.
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*/
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public getHelpText(): string {
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return ''
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}
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/**
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* Get an array of options defined for this command.
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*/
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public getOptions(): OptionDefinition[] {
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return []
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}
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/**
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* Called when the directive is run from the command line.
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*
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* The raw arguments are provided as `argv`, but you are encouraged to use
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* `getOptions()` and `option()` helpers to access the parsed options instead.
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*
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* @param argv
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*/
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public abstract handle(argv: string[]): void | Promise<void>
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/**
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* Sets the parsed option values.
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* @param optionValues
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* @private
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*/
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private _setOptionValues(optionValues: any) {
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this._optionValues = optionValues;
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}
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/**
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* Get the value of a parsed option. If none exists, return `defaultValue`.
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* @param name
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* @param defaultValue
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*/
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public option(name: string, defaultValue?: any) {
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if ( name in this._optionValues ) {
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return this._optionValues[name]
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}
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return defaultValue
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}
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/**
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* Invoke this directive with the specified arguments.
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*
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* If usage was requested (see `didRequestUsage()`), it prints the extended usage info.
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*
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* Otherwise, it parses the options from `argv` and calls `handle()`.
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*
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* @param argv
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*/
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async invoke(argv: string[]) {
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const options = this.getResolvedOptions()
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if ( this.didRequestUsage(argv) ) {
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// @ts-ignore
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const positionalArguments: PositionalOption<any>[] = options.filter(opt => opt instanceof PositionalOption)
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// @ts-ignore
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const flagArguments: FlagOption<any>[] = options.filter(opt => opt instanceof FlagOption)
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const positionalDisplay: string = positionalArguments.map(x => `<${x.getArgumentName()}>`).join(' ')
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const flagDisplay: string = flagArguments.length ? ' [...flags]' : ''
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console.log([
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'',
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`DIRECTIVE: ${this.getMainKeyword()} - ${this.getDescription()}`,
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'',
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`USAGE: ${this.getMainKeyword()} ${positionalDisplay}${flagDisplay}`,
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].join('\n'))
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if ( positionalArguments.length ) {
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console.log([
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'',
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`POSITIONAL ARGUMENTS:`,
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...(positionalArguments.map(arg => {
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return ` ${arg.getArgumentName()}${arg.message ? ' - ' + arg.message : ''}`
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})),
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].join('\n'))
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}
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if ( flagArguments.length ) {
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console.log([
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'',
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`FLAGS:`,
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...(flagArguments.map(arg => {
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return ` ${arg.shortFlag ? arg.shortFlag + ', ' : ''}${arg.longFlag}${arg.argumentDescription ? ' {' + arg.argumentDescription + '}' : ''}${arg.message ? ' - ' + arg.message : ''}`
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})),
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].join('\n'))
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}
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const help = this.getHelpText()
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if ( help ) {
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console.log('\n' + help)
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}
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console.log('\n')
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} else {
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try {
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const optionValues = this.parseOptions(options, argv)
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this._setOptionValues(optionValues)
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await this.handle(argv)
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} catch (e) {
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console.error(e.message)
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if ( e instanceof OptionValidationError ) {
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// expecting, value, requirements
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if ( e.context.expecting ) {
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console.error(` - Expecting: ${e.context.expecting}`)
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}
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if ( e.context.requirements && Array.isArray(e.context.requirements) ) {
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for ( const req of e.context.requirements ) {
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console.error(` - ${req}`)
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}
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}
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if ( e.context.value ) {
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console.error(` - ${e.context.value}`)
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}
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}
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console.error('\nUse --help for more info.')
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}
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}
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}
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/**
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* Resolve the array of option definitions to CLIOption instances.
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* Of note, this resolves the string-form definitions to actual CLIOption instances.
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*/
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public getResolvedOptions(): CLIOption<any>[] {
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return this.getOptions().map(option => {
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if ( typeof option === 'string' ) {
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return this.instantiateOptionFromString(option)
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} else {
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return option
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}
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})
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}
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/**
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* Get the main keyword displayed for this directive.
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* @example
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* If `getKeywords()` returns `['up', 'start']`, this will return `'up'`.
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*/
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public getMainKeyword(): string {
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const kws = this.getKeywords()
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if ( Array.isArray(kws) ) {
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return kws[0]
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}
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return kws
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}
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/**
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* Returns true if the given keyword should invoke this directive.
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* @param name
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*/
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public matchesKeyword(name: string) {
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let kws = this.getKeywords()
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if ( !Array.isArray(kws) ) kws = [kws]
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return kws.includes(name)
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}
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/**
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* Print the given output to the log as success text.
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* @param output
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*/
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success(output: any) {
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this.logging.success(output, true)
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}
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/**
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* Print the given output to the log as error text.
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* @param output
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*/
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error(output: any) {
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this.logging.error(output, true)
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}
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/**
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* Print the given output to the log as warning text.
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* @param output
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*/
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warn(output: any) {
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this.logging.warn(output, true)
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}
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/**
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* Print the given output to the log as info text.
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* @param output
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*/
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info(output: any) {
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this.logging.info(output, true)
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}
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/**
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* Print the given output to the log as debugging text.
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* @param output
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*/
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debug(output: any) {
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this.logging.debug(output, true)
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}
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/**
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* Print the given output to the log as verbose text.
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* @param output
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*/
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verbose(output: any) {
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this.logging.verbose(output, true)
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}
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/**
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* Get the flag option that signals help. Usually, this is named 'help'
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* and supports the flags '--help' and '-?'.
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*/
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getHelpOption() {
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return new FlagOption('--help', '-?', 'usage information about this directive')
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}
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/**
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* Process the raw CLI arguments using an array of option class instances to build
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* a mapping of option names to provided values.
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*/
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parseOptions(options: CLIOption<any>[], args: string[]) {
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// @ts-ignore
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let positionalArguments: PositionalOption<any>[] = options.filter(cls => cls instanceof PositionalOption)
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// @ts-ignore
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const flagArguments: FlagOption<any>[] = options.filter(cls => cls instanceof FlagOption)
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const optionValue: any = {}
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flagArguments.push(this.getHelpOption())
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let expectingFlagArgument = false
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let positionalFlagName = ''
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for ( const value of args ) {
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if ( value.startsWith('--') ) {
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if ( expectingFlagArgument ) {
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throw new OptionValidationError(`Unexpected flag argument. Expecting argument for flag: ${positionalFlagName}`, {
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expecting: positionalFlagName,
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})
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} else {
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const flagArgument = flagArguments.filter(x => x.longFlag === value)
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if ( flagArgument.length < 1 ) {
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throw new OptionValidationError(`Unknown flag argument: ${value}`, {
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value,
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})
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} else {
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if ( flagArgument[0].argumentDescription ) {
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positionalFlagName = flagArgument[0].getArgumentName()
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expectingFlagArgument = true
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} else {
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optionValue[flagArgument[0].getArgumentName()] = true
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}
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}
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}
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} else if ( value.startsWith('-') ) {
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if ( expectingFlagArgument ) {
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throw new OptionValidationError(`Unknown flag argument: ${value}`, {
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expecting: positionalFlagName,
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})
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} else {
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const flagArgument = flagArguments.filter(x => x.shortFlag === value)
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if ( flagArgument.length < 1 ) {
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throw new OptionValidationError(`Unknown flag argument: ${value}`, {
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value
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})
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} else {
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if ( flagArgument[0].argumentDescription ) {
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positionalFlagName = flagArgument[0].getArgumentName()
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expectingFlagArgument = true
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} else {
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optionValue[flagArgument[0].getArgumentName()] = true
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}
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}
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}
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} else if ( expectingFlagArgument ) {
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const inferredValue = infer(value)
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const optionInstance = flagArguments.filter(x => x.getArgumentName() === positionalFlagName)[0]
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if ( !optionInstance.validate(inferredValue) ) {
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throw new OptionValidationError(`Invalid value for argument: ${positionalFlagName}`, {
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requirements: optionInstance.getRequirementDisplays(),
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})
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}
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optionValue[positionalFlagName] = inferredValue
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expectingFlagArgument = false
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} else {
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if ( positionalArguments.length < 1 ) {
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throw new OptionValidationError(`Unknown positional argument: ${value}`, {
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value
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})
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} else {
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const inferredValue = infer(value)
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if ( !positionalArguments[0].validate(inferredValue) ) {
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throw new OptionValidationError(`Invalid value for argument: ${positionalArguments[0].getArgumentName()}`, {
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requirements: positionalArguments[0].getRequirementDisplays(),
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})
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}
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optionValue[positionalArguments[0].getArgumentName()] = infer(value)
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positionalArguments = positionalArguments.slice(1)
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}
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}
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}
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if ( expectingFlagArgument ) {
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throw new OptionValidationError(`Missing argument for flag: ${positionalFlagName}`, {
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expecting: positionalFlagName
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})
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}
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if ( positionalArguments.length > 0 ) {
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throw new OptionValidationError(`Missing required argument: ${positionalArguments[0].getArgumentName()}`, {
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expecting: positionalArguments[0].getArgumentName()
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})
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}
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return optionValue
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}
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/**
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* Create an instance of CLIOption based on a string definition of a particular format.
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*
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* e.g. '{file name} | canonical name of the resource to create'
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* e.g. '--push -p {value} | the value to be pushed'
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* e.g. '--force -f | do a force push'
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*
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* @param string
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*/
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protected instantiateOptionFromString(string: string): CLIOption<any> {
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if ( string.startsWith('{') ) {
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// The string is a positional argument
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const stringParts = string.split('|').map(x => x.trim())
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const name = stringParts[0].replace(/\{|\}/g, '')
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return stringParts.length > 1 ? (new PositionalOption(name, stringParts[1])) : (new PositionalOption(name))
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} else {
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// The string is a flag argument
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const stringParts = string.split('|').map(x => x.trim())
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// Parse the flag parts first
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const hasArgument = stringParts[0].indexOf('{') >= 0
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const flagString = hasArgument ? stringParts[0].substr(0, stringParts[0].indexOf('{')).trim() : stringParts[0].trim()
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const flagParts = flagString.split(' ')
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let longFlag = flagParts[0].startsWith('--') ? flagParts[0] : undefined
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if ( !longFlag && flagParts.length > 1 ) {
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if ( flagParts[1].startsWith('--') ) {
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longFlag = flagParts[1]
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}
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}
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let shortFlag = flagParts[0].length === 2 ? flagParts[0] : undefined
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if ( !shortFlag && flagParts.length > 1 ) {
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if ( flagParts[1].length === 2 ) {
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shortFlag = flagParts[1]
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}
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}
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const argumentDescription = hasArgument ? stringParts[0].substring(stringParts[0].indexOf('{')+1, stringParts[0].indexOf('}')) : undefined
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const description = stringParts.length > 1 ? stringParts[1] : undefined
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return new FlagOption(longFlag, shortFlag, description, argumentDescription)
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}
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}
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/**
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* Determines if, at any point in the arguments, the help option's short or long flag appears.
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* @returns {boolean} - true if the help flag appeared
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*/
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didRequestUsage(argv: string[]) {
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const help_option = this.getHelpOption()
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for ( const arg of argv ) {
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if ( arg.trim() === help_option.longFlag || arg.trim() === help_option.shortFlag ) {
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return true
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}
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}
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return false
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}
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}
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import {UniversalPath} from '../util'
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/**
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* Interface defining a template that can be generated using the TemplateDirective.
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*/
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export interface Template {
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/**
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* The name of the template as it will be specified from the command line.
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*
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* @example
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* If this is `'mytemplate'`, then the template will be created with:
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*
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* ```shell
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* ./ex new mytemplate some:path
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* ```
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*/
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name: string,
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/**
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* The suffix of the file generated by this template.
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* @example `.mytemplate.ts`
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* @example `.controller.ts`
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*/
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fileSuffix: string,
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/**
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* Brief description of the template displayed on the --help page for the TemplateDirective.
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* Should be brief (1 sentence).
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*/
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description: string,
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/**
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* Array of path-strings that are resolved relative to the base `app` directory.
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* @example `['http', 'controllers']`
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* @example `['units']`
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*/
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baseAppPath: string[],
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/**
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* Render the given template to a string which will be written to the file.
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* Note: this method should NOT write the contents to `targetFilePath`.
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*
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* @example
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* If the user enters:
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*
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* ```shell
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* ./ex new mytemplate path:to:NewInstance
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* ```
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*
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* Then, the following params are:
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* ```typescript
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* {
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* name: 'NewInstance',
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* fullCanonicalPath: 'path:to:NewInstance',
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* targetFilePath: UniversalPath { }
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* }
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* ```
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*
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* @param name - the singular name of the resource
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* @param fullCanonicalName - the full canonical name of the resource
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* @param targetFilePath - the UniversalPath where the file will be written
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*/
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render: (name: string, fullCanonicalName: string, targetFilePath: UniversalPath) => string | Promise<string>
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}
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@ -0,0 +1,31 @@
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import {Directive} from "../Directive"
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import {CommandLineApplication} from "../service"
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import {Injectable} from "../../di"
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import {ErrorWithContext} from "../../util"
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import {Unit} from "../../lifecycle/Unit";
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/**
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* A directive that starts the framework's final target normally.
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* In most cases, this runs the HTTP server, which would have been replaced
|
||||
* by the CommandLineApplication unit.
|
||||
*/
|
||||
@Injectable()
|
||||
export class RunDirective extends Directive {
|
||||
getDescription(): string {
|
||||
return 'run the application normally'
|
||||
}
|
||||
|
||||
getKeywords(): string | string[] {
|
||||
return ['run', 'up']
|
||||
}
|
||||
|
||||
async handle(): Promise<void> {
|
||||
if ( !CommandLineApplication.getReplacement() ) {
|
||||
throw new ErrorWithContext(`Cannot run application: no run target specified.`)
|
||||
}
|
||||
|
||||
const unit = <Unit> this.make(CommandLineApplication.getReplacement())
|
||||
await this.app().startUnit(unit)
|
||||
await this.app().stopUnit(unit)
|
||||
}
|
||||
}
|
@ -0,0 +1,47 @@
|
||||
import {Directive} from "../Directive"
|
||||
import * as colors from "colors/safe"
|
||||
import * as repl from 'repl'
|
||||
import {DependencyKey} from "../../di";
|
||||
|
||||
/**
|
||||
* Launch an interactive REPL shell from within the application.
|
||||
* This is very useful for debugging and testing things during development.
|
||||
*/
|
||||
export class ShellDirective extends Directive {
|
||||
protected options: any = {
|
||||
welcome: `powered by Extollo, ยฉ ${(new Date).getFullYear()} Garrett Mills\nAccess your application using the "app" global.`,
|
||||
prompt: `${colors.blue('(')}extollo${colors.blue(') โค ')}`,
|
||||
}
|
||||
|
||||
/**
|
||||
* The created Node.js REPL server.
|
||||
* @protected
|
||||
*/
|
||||
protected repl?: repl.REPLServer
|
||||
|
||||
getDescription(): string {
|
||||
return 'launch an interactive shell inside your application'
|
||||
}
|
||||
|
||||
getKeywords(): string | string[] {
|
||||
return ['shell']
|
||||
}
|
||||
|
||||
getHelpText(): string {
|
||||
return ''
|
||||
}
|
||||
|
||||
async handle(): Promise<void> {
|
||||
const state: any = {
|
||||
app: this.app(),
|
||||
make: (target: DependencyKey, ...parameters: any[]) => this.make(target, ...parameters),
|
||||
}
|
||||
|
||||
await new Promise<void>(res => {
|
||||
console.log(this.options.welcome)
|
||||
this.repl = repl.start(this.options.prompt)
|
||||
Object.assign(this.repl.context, state)
|
||||
this.repl.on('exit', () => res())
|
||||
})
|
||||
}
|
||||
}
|
@ -0,0 +1,90 @@
|
||||
import {Directive, OptionDefinition} from "../Directive"
|
||||
import {PositionalOption} from "./options/PositionalOption"
|
||||
import {CommandLine} from "../service"
|
||||
import {Inject, Injectable} from "../../di";
|
||||
import {ErrorWithContext} from "../../util";
|
||||
|
||||
/**
|
||||
* Create a new file based on a template registered with the CommandLine service.
|
||||
*/
|
||||
@Injectable()
|
||||
export class TemplateDirective extends Directive {
|
||||
@Inject()
|
||||
protected readonly cli!: CommandLine
|
||||
|
||||
getKeywords(): string | string[] {
|
||||
return ['new', 'make']
|
||||
}
|
||||
|
||||
getDescription(): string {
|
||||
return 'create a new file from a registered template'
|
||||
}
|
||||
|
||||
getOptions(): OptionDefinition[] {
|
||||
const registeredTemplates = this.cli.getTemplates()
|
||||
const template = new PositionalOption('template_name', 'the template to base the new file on (e.g. model, controller)')
|
||||
template.whitelist(...registeredTemplates.pluck('name').all())
|
||||
|
||||
const destination = new PositionalOption('file_name', 'canonical name of the file to create (e.g. auth:Group, dash:Activity)')
|
||||
|
||||
return [template, destination]
|
||||
}
|
||||
|
||||
getHelpText(): string {
|
||||
const registeredTemplates = this.cli.getTemplates()
|
||||
|
||||
return [
|
||||
'Modules in Extollo register templates that can be used to quickly create common file types.',
|
||||
'',
|
||||
'For example, you can create a new model from @extollo/orm using the "model" template:',
|
||||
'',
|
||||
'./ex new model auth:Group',
|
||||
'',
|
||||
'This would create a new Group model in the ./src/app/models/auth/Group.model.ts file.',
|
||||
'',
|
||||
'AVAILABLE TEMPLATES:',
|
||||
'',
|
||||
...(registeredTemplates.map(template => {
|
||||
return ` - ${template.name}: ${template.description}`
|
||||
}).all())
|
||||
].join('\n')
|
||||
}
|
||||
|
||||
async handle(argv: string[]) {
|
||||
const templateName: string = this.option('template_name')
|
||||
const destinationName: string = this.option('file_name')
|
||||
|
||||
if ( destinationName.includes('/') || destinationName.includes('\\') ) {
|
||||
this.error(`The destination should be a canonical name, not a file path.`)
|
||||
this.error(`Reference sub-directories using the : character instead.`)
|
||||
this.error(`Did you mean ${destinationName.replace(/\/|\\/g, ':')}?`)
|
||||
process.exitCode = 1
|
||||
return
|
||||
}
|
||||
|
||||
const template = this.cli.getTemplate(templateName)
|
||||
if ( !template ) {
|
||||
throw new ErrorWithContext(`Unable to find template supposedly registered with name: ${templateName}`, {
|
||||
templateName,
|
||||
destinationName,
|
||||
})
|
||||
}
|
||||
|
||||
const name = destinationName.split(':').reverse()[0]
|
||||
const path = this.app().path('..', 'src', 'app', ...template.baseAppPath, ...(`${destinationName}${template.fileSuffix}`).split(':'))
|
||||
|
||||
if ( await path.exists() ) {
|
||||
this.error(`File already exists: ${path}`)
|
||||
process.exitCode = 1
|
||||
return
|
||||
}
|
||||
|
||||
// Make sure the parent direction exists
|
||||
await path.concat('..').mkdir()
|
||||
|
||||
const contents = await template.render(name, destinationName, path.clone())
|
||||
await path.write(contents)
|
||||
|
||||
this.success(`Created new ${template.name} in ${path}`)
|
||||
}
|
||||
}
|
@ -0,0 +1,54 @@
|
||||
import {Directive} from "../Directive"
|
||||
import {Injectable, Inject} from "../../di"
|
||||
import {padRight} from "../../util"
|
||||
import {CommandLine} from "../service"
|
||||
|
||||
/**
|
||||
* Directive that prints the help message and usage information about
|
||||
* directives registered with the command line utility.
|
||||
*/
|
||||
@Injectable()
|
||||
export class UsageDirective extends Directive {
|
||||
@Inject()
|
||||
protected readonly cli!: CommandLine
|
||||
|
||||
public getKeywords(): string | string[] {
|
||||
return 'help'
|
||||
}
|
||||
|
||||
public getDescription(): string {
|
||||
return 'print information about available commands'
|
||||
}
|
||||
|
||||
public handle(argv: string[]): void | Promise<void> {
|
||||
const directiveStrings = this.cli.getDirectives()
|
||||
.map(cls => this.make<Directive>(cls))
|
||||
.map<[string, string]>(dir => {
|
||||
return [dir.getMainKeyword(), dir.getDescription()]
|
||||
})
|
||||
|
||||
const maxLen = directiveStrings.max<number>(x => x[0].length)
|
||||
|
||||
const printStrings = directiveStrings.map(grp => {
|
||||
return [padRight(grp[0], maxLen + 1), grp[1]]
|
||||
})
|
||||
.map(grp => {
|
||||
return ` ${grp[0]}: ${grp[1]}`
|
||||
})
|
||||
.toArray()
|
||||
|
||||
console.log(this.cli.getASCIILogo())
|
||||
console.log([
|
||||
'',
|
||||
'Welcome to Extollo! Specify a command to get started.',
|
||||
'',
|
||||
`USAGE: ex <directive> [..options]`,
|
||||
'',
|
||||
...printStrings,
|
||||
'',
|
||||
'For usage information about a particular command, pass the --help flag.',
|
||||
'-------------------------------------------',
|
||||
`powered by Extollo, ยฉ ${(new Date).getFullYear()} Garrett Mills`,
|
||||
].join('\n'))
|
||||
}
|
||||
}
|
@ -0,0 +1,244 @@
|
||||
/**
|
||||
* A CLI option. Supports basic comparative, and set-based validation.
|
||||
* @class
|
||||
*/
|
||||
export abstract class CLIOption<T> {
|
||||
|
||||
/**
|
||||
* Do we use the whitelist?
|
||||
* @type {boolean}
|
||||
* @private
|
||||
*/
|
||||
protected _useWhitelist: boolean = false
|
||||
|
||||
/**
|
||||
* Do we use the blacklist?
|
||||
* @type {boolean}
|
||||
* @private
|
||||
*/
|
||||
protected _useBlacklist: boolean = false
|
||||
|
||||
/**
|
||||
* Do we use the less-than comparison?
|
||||
* @type {boolean}
|
||||
* @private
|
||||
*/
|
||||
protected _useLessThan: boolean = false
|
||||
|
||||
/**
|
||||
* Do we use the greater-than comparison?
|
||||
* @type {boolean}
|
||||
* @private
|
||||
*/
|
||||
protected _useGreaterThan: boolean = false
|
||||
|
||||
/**
|
||||
* Do we use the equality operator?
|
||||
* @type {boolean}
|
||||
* @private
|
||||
*/
|
||||
protected _useEquality: boolean = false
|
||||
|
||||
/**
|
||||
* Is this option optional?
|
||||
* @type {boolean}
|
||||
* @private
|
||||
*/
|
||||
protected _optional: boolean = false
|
||||
|
||||
/**
|
||||
* Whitelisted values.
|
||||
* @type {Array<*>}
|
||||
* @private
|
||||
*/
|
||||
protected _whitelist: T[] = []
|
||||
|
||||
/**
|
||||
* Blacklisted values.
|
||||
* @type {Array<*>}
|
||||
* @private
|
||||
*/
|
||||
protected _blacklist: T[] = []
|
||||
|
||||
/**
|
||||
* Value to be compared in less than.
|
||||
* @type {*}
|
||||
* @private
|
||||
*/
|
||||
protected _lessThanValue?: T
|
||||
|
||||
/**
|
||||
* If true, the less than will be less than or equal to.
|
||||
* @type {boolean}
|
||||
* @private
|
||||
*/
|
||||
protected _lessThanBit: boolean = false
|
||||
|
||||
/**
|
||||
* Value to be compared in greater than.
|
||||
* @type {*}
|
||||
* @private
|
||||
*/
|
||||
protected _greaterThanValue?: T
|
||||
|
||||
/**
|
||||
* If true, the greater than will be greater than or equal to.
|
||||
* @type {boolean}
|
||||
* @private
|
||||
*/
|
||||
protected _greateerThanBit: boolean = false
|
||||
|
||||
/**
|
||||
* The value to be used to check equality.
|
||||
* @type {*}
|
||||
* @private
|
||||
*/
|
||||
protected _equalityValue?: T
|
||||
|
||||
/**
|
||||
* Whitelist the specified item or items and enable the whitelist.
|
||||
* @param {...*} items - the items to whitelist
|
||||
*/
|
||||
whitelist(...items: T[]) {
|
||||
this._useWhitelist = true
|
||||
items.forEach(item => this._whitelist.push(item))
|
||||
}
|
||||
|
||||
/**
|
||||
* Blacklist the specified item or items and enable the blacklist.
|
||||
* @param {...*} items - the items to blacklist
|
||||
*/
|
||||
blacklist(...items: T[]) {
|
||||
this._useBlacklist = true
|
||||
items.forEach(item => this._blacklist.push(item))
|
||||
}
|
||||
|
||||
/**
|
||||
* Specifies the value to be used in less-than comparison and enables less-than comparison.
|
||||
* @param {*} value
|
||||
*/
|
||||
lessThan(value: T) {
|
||||
this._useLessThan = true
|
||||
this._lessThanValue = value
|
||||
}
|
||||
|
||||
/**
|
||||
* Specifies the value to be used in less-than or equal-to comparison and enables that comparison.
|
||||
* @param {*} value
|
||||
*/
|
||||
lessThanOrEqualTo(value: T) {
|
||||
this._lessThanBit = true
|
||||
this.lessThan(value)
|
||||
}
|
||||
|
||||
/**
|
||||
* Specifies the value to be used in greater-than comparison and enables that comparison.
|
||||
* @param {*} value
|
||||
*/
|
||||
greaterThan(value: T) {
|
||||
this._useGreaterThan = true
|
||||
this._greaterThanValue = value
|
||||
}
|
||||
|
||||
/**
|
||||
* Specifies the value to be used in greater-than or equal-to comparison and enables that comparison.
|
||||
* @param {*} value
|
||||
*/
|
||||
greaterThanOrEqualTo(value: T) {
|
||||
this._greateerThanBit = true
|
||||
this.greaterThan(value)
|
||||
}
|
||||
|
||||
/**
|
||||
* Specifies the value to be used in equality comparison and enables that comparison.
|
||||
* @param {*} value
|
||||
*/
|
||||
equals(value: T) {
|
||||
this._useEquality = true
|
||||
this._equalityValue = value
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if the specified value passes the configured comparisons.
|
||||
* @param {*} value
|
||||
* @returns {boolean}
|
||||
*/
|
||||
validate(value: any) {
|
||||
let is_valid = true
|
||||
if ( this._useEquality ) {
|
||||
is_valid = is_valid && (this._equalityValue === value)
|
||||
}
|
||||
|
||||
if ( this._useLessThan && typeof this._lessThanValue !== 'undefined' ) {
|
||||
if ( this._lessThanBit ) {
|
||||
is_valid = is_valid && (value <= this._lessThanValue)
|
||||
} else {
|
||||
is_valid = is_valid && (value < this._lessThanValue)
|
||||
}
|
||||
}
|
||||
|
||||
if ( this._useGreaterThan && typeof this._greaterThanValue !== 'undefined' ) {
|
||||
if ( this._greateerThanBit ) {
|
||||
is_valid = is_valid && (value >= this._greaterThanValue)
|
||||
} else {
|
||||
is_valid = is_valid && (value > this._greaterThanValue)
|
||||
}
|
||||
}
|
||||
|
||||
if ( this._useWhitelist ) {
|
||||
is_valid = is_valid && this._whitelist.some(x => {
|
||||
return x === value
|
||||
})
|
||||
}
|
||||
|
||||
if ( this._useBlacklist ) {
|
||||
is_valid = is_valid && !(this._blacklist.some(x => x === value))
|
||||
}
|
||||
|
||||
return is_valid
|
||||