feat: add molang package

1. upgrade bukkit chat 2. fix config update error Signed-off-by: MiaoWoo <admin@yumc.pw>
2022-02-12 16:29:40 +08:00
parent 5ed61829e1
commit 6816e51239
73 changed files with 3103 additions and 129 deletions
--- a/packages/molang/src/env/env.ts
+++ b/packages/molang/src/env/env.ts
@@ -0,0 +1,143 @@
+import { standardEnv } from './standardEnv'
+
+export type TVariableHandler = (
+	variableName: string,
+	variables: Record<string, unknown>
+) => unknown
+
+export interface IEnvConfig {
+	useRadians?: boolean
+	convertUndefined?: boolean
+	variableHandler?: TVariableHandler
+	isFlat?: boolean
+}
+
+export class ExecutionEnvironment {
+	protected env: Record<string, any>
+
+	constructor(env: Record<string, any>, public readonly config: IEnvConfig) {
+		if (!env) throw new Error(`Provided environment must be an object`)
+
+		if (config.isFlat)
+			this.env = Object.assign(
+				env,
+				standardEnv(config.useRadians ?? false)
+			)
+		else
+			this.env = {
+				...standardEnv(config.useRadians ?? false),
+				...this.flattenEnv(env),
+			}
+	}
+
+	updateConfig({
+		variableHandler,
+		convertUndefined,
+		useRadians,
+	}: IEnvConfig) {
+		if (convertUndefined !== undefined)
+			this.config.convertUndefined = convertUndefined
+		if (typeof variableHandler === 'function')
+			this.config.variableHandler = variableHandler
+
+		if (!!this.config.useRadians !== !!useRadians) {
+			this.env = Object.assign(this.env, standardEnv(!!useRadians))
+		}
+	}
+
+	protected flattenEnv(
+		newEnv: Record<string, any>,
+		addKey = '',
+		current: any = {}
+	) {
+		for (let key in newEnv) {
+			if (key[1] === '.') {
+				switch (key[0]) {
+					case 'q':
+						key = 'query' + key.substring(1, key.length)
+						break
+					case 't':
+						key = 'temp' + key.substring(1, key.length)
+						break
+					case 'v':
+						key = 'variable' + key.substring(1, key.length)
+						break
+					case 'c':
+						key = 'context' + key.substring(1, key.length)
+						break
+					case 'f':
+						key = 'function' + key.substring(1, key.length)
+						break
+				}
+			}
+
+			if (newEnv[key].__isContext) {
+				current[`${addKey}${key}`] = newEnv[key].env
+			} else if (
+				typeof newEnv[key] === 'object' &&
+				!Array.isArray(newEnv[key])
+			) {
+				this.flattenEnv(newEnv[key], `${addKey}${key}.`, current)
+			} else {
+				current[`${addKey}${key}`] = newEnv[key]
+			}
+		}
+
+		return current
+	}
+
+	setAt(lookup: string, value: unknown) {
+		if (lookup[1] === '.') {
+			switch (lookup[0]) {
+				case 'q':
+					lookup = 'query' + lookup.substring(1, lookup.length)
+					break
+				case 't':
+					lookup = 'temp' + lookup.substring(1, lookup.length)
+					break
+				case 'v':
+					lookup = 'variable' + lookup.substring(1, lookup.length)
+					break
+				case 'c':
+					lookup = 'context' + lookup.substring(1, lookup.length)
+					break
+				case 'f':
+					lookup = 'function' + lookup.substring(1, lookup.length)
+					break
+			}
+		}
+
+		return (this.env[lookup] = value)
+	}
+
+	getFrom(lookup: string) {
+		if (lookup[1] === '.') {
+			switch (lookup[0]) {
+				case 'q':
+					lookup = 'query' + lookup.substring(1, lookup.length)
+					break
+				case 't':
+					lookup = 'temp' + lookup.substring(1, lookup.length)
+					break
+				case 'v':
+					lookup = 'variable' + lookup.substring(1, lookup.length)
+					break
+				case 'c':
+					lookup = 'context' + lookup.substring(1, lookup.length)
+					break
+				case 'f':
+					lookup = 'function' + lookup.substring(1, lookup.length)
+					break
+			}
+		}
+
+		const res =
+			this.env[lookup] ?? this.config.variableHandler?.(lookup, this.env)
+		return res === undefined && this.config.convertUndefined ? 0 : res
+	}
+}
+
+export class Context {
+	public readonly __isContext = true
+	constructor(public readonly env: any) {}
+}