{"version":3,"file":"visibility.mjs","names":[],"sources":["../../src/expression/visibility.ts"],"sourcesContent":["import {createExpression, findGlobalStateRefs} from './index';\nimport {StyleExpression, type GlobalProperties, type StylePropertySpecification} from '../index';\nimport {type VisibilitySpecification} from '../types.g';\n\nconst visibilitySpec: StylePropertySpecification = {\n    type: 'enum',\n    'property-type': 'data-constant',\n    expression: {\n        interpolated: false,\n        parameters: ['global-state']\n    },\n    values: {visible: {}, none: {}},\n    transition: false,\n    default: 'visible'\n};\n\nexport interface VisibilityExpression {\n    /**\n     * Evaluates the visibility expression and returns either 'visible' or 'none'.\n     */\n    evaluate: () => 'visible' | 'none';\n    /**\n     * Updates the visibility specification.\n     */\n    setValue: (visibility: VisibilitySpecification) => void;\n    /**\n     * Returns the set of global state properties referenced by the expression.\n     */\n    getGlobalStateRefs: () => Set<string>;\n}\n\nclass VisibilityExpressionClass implements VisibilityExpression {\n    private _rootKey: string;\n    private _globalState: Record<string, any>;\n    private _globalStateRefs: Set<string>;\n    private _literalValue: 'visible' | 'none' | undefined;\n    private _compiledValue: StyleExpression;\n\n    constructor(\n        visibility: VisibilitySpecification,\n        rootKey: string,\n        globalState: Record<string, any>\n    ) {\n        this._rootKey = rootKey;\n        this._globalState = globalState;\n        this.setValue(visibility);\n    }\n\n    evaluate(): 'visible' | 'none' {\n        return this._literalValue ?? this._compiledValue.evaluate({} as GlobalProperties);\n    }\n\n    setValue(visibility: VisibilitySpecification) {\n        if (\n            visibility === null ||\n            visibility === undefined ||\n            visibility === 'visible' ||\n            visibility === 'none'\n        ) {\n            this._literalValue = visibility === 'none' ? 'none' : 'visible';\n            this._compiledValue = undefined;\n            this._globalStateRefs = new Set<string>();\n            return;\n        }\n        const compiled = createExpression(\n            visibility,\n            this._rootKey,\n            visibilitySpec,\n            this._globalState\n        );\n        if (compiled.result === 'error') {\n            this._literalValue = 'visible';\n            this._compiledValue = undefined;\n            throw new Error(compiled.value.map((err) => `${err.key}: ${err.message}`).join(', '));\n        }\n        this._literalValue = undefined;\n        this._compiledValue = compiled.value;\n        this._globalStateRefs = findGlobalStateRefs(compiled.value.expression);\n    }\n\n    getGlobalStateRefs() {\n        return this._globalStateRefs;\n    }\n}\n\n/**\n * Creates a visibility expression from a visibility specification.\n * @param visibility - the visibility specification, literal or expression\n * @param rootKey - location of the visibility value in the style JSON\n * (e.g. `layers[3].layout.visibility`), used to prefix runtime warnings\n * @param globalState - the global state object\n * @returns visibility expression object\n */\nexport default function createVisibility(\n    visibility: VisibilitySpecification,\n    rootKey: string,\n    globalState: Record<string, any>\n): VisibilityExpression {\n    return new VisibilityExpressionClass(visibility, rootKey, globalState);\n}\n"],"mappings":";;AAIA,MAAM,iBAA6C;CAC/C,MAAM;CACN,iBAAiB;CACjB,YAAY;EACR,cAAc;EACd,YAAY,CAAC,cAAc;CAC/B;CACA,QAAQ;EAAC,SAAS,CAAC;EAAG,MAAM,CAAC;CAAC;CAC9B,YAAY;CACZ,SAAS;AACb;AAiBA,IAAM,4BAAN,MAAgE;CAO5D,YACI,YACA,SACA,aACF;EACE,KAAK,WAAW;EAChB,KAAK,eAAe;EACpB,KAAK,SAAS,UAAU;CAC5B;CAEA,WAA+B;EAC3B,OAAO,KAAK,iBAAiB,KAAK,eAAe,SAAS,CAAC,CAAqB;CACpF;CAEA,SAAS,YAAqC;EAC1C,IACI,eAAe,QACf,eAAe,KAAA,KACf,eAAe,aACf,eAAe,QACjB;GACE,KAAK,gBAAgB,eAAe,SAAS,SAAS;GACtD,KAAK,iBAAiB,KAAA;GACtB,KAAK,mCAAmB,IAAI,IAAY;GACxC;EACJ;EACA,MAAM,WAAW,iBACb,YACA,KAAK,UACL,gBACA,KAAK,YACT;EACA,IAAI,SAAS,WAAW,SAAS;GAC7B,KAAK,gBAAgB;GACrB,KAAK,iBAAiB,KAAA;GACtB,MAAM,IAAI,MAAM,SAAS,MAAM,KAAK,QAAQ,GAAG,IAAI,IAAI,IAAI,IAAI,SAAS,CAAC,CAAC,KAAK,IAAI,CAAC;EACxF;EACA,KAAK,gBAAgB,KAAA;EACrB,KAAK,iBAAiB,SAAS;EAC/B,KAAK,mBAAmB,oBAAoB,SAAS,MAAM,UAAU;CACzE;CAEA,qBAAqB;EACjB,OAAO,KAAK;CAChB;AACJ;;;;;;;;;AAUA,SAAwB,iBACpB,YACA,SACA,aACoB;CACpB,OAAO,IAAI,0BAA0B,YAAY,SAAS,WAAW;AACzE"}