| 1 | {"version":3,"file":"observable.cjs","sources":["../observable.js"],"sourcesContent":["/**\n * Observable class prototype.\n *\n * @module observable\n */\n\nimport * as map from './map.js'\nimport * as set from './set.js'\nimport * as array from './array.js'\n\n/**\n * Handles named events.\n * @experimental\n *\n * This is basically a (better typed) duplicate of Observable, which will replace Observable in the\n * next release.\n *\n * @template {{[key: string]: function(...any):void}} EVENTS\n */\nexport class ObservableV2 {\n constructor () {\n /**\n * Some desc.\n * @type {Map<string, Set<any>>}\n */\n this._observers = map.create()\n }\n\n /**\n * @template {string} NAME\n * @param {NAME} name\n * @param {EVENTS[NAME]} f\n */\n on (name, f) {\n map.setIfUndefined(this._observers, /** @type {string} */ (name), set.create).add(f)\n return f\n }\n\n /**\n * @template {string} NAME\n * @param {NAME} name\n * @param {EVENTS[NAME]} f\n */\n once (name, f) {\n /**\n * @param {...any} args\n */\n const _f = (...args) => {\n this.off(name, /** @type {any} */ (_f))\n f(...args)\n }\n this.on(name, /** @type {any} */ (_f))\n }\n\n /**\n * @template {string} NAME\n * @param {NAME} name\n * @param {EVENTS[NAME]} f\n */\n off (name, f) {\n const observers = this._observers.get(name)\n if (observers !== undefined) {\n observers.delete(f)\n if (observers.size === 0) {\n this._observers.delete(name)\n }\n }\n }\n\n /**\n * Emit a named event. All registered event listeners that listen to the\n * specified name will receive the event.\n *\n * @todo This should catch exceptions\n *\n * @template {string} NAME\n * @param {NAME} name The event name.\n * @param {Parameters<EVENTS[NAME]>} args The arguments that are applied to the event listener.\n */\n emit (name, args) {\n // copy all listeners to an array first to make sure that no event is emitted to listeners that are subscribed while the event handler is called.\n return array.from((this._observers.get(name) || map.create()).values()).forEach(f => f(...args))\n }\n\n destroy () {\n this._observers = map.create()\n }\n}\n\n/* c8 ignore start */\n/**\n * Handles named events.\n *\n * @deprecated\n * @template N\n */\nexport class Observable {\n constructor () {\n /**\n * Some desc.\n * @type {Map<N, any>}\n */\n this._observers = map.create()\n }\n\n /**\n * @param {N} name\n * @param {function} f\n */\n on (name, f) {\n map.setIfUndefined(this._observers, name, set.create).add(f)\n }\n\n /**\n * @param {N} name\n * @param {function} f\n */\n once (name, f) {\n /**\n * @param {...any} args\n */\n const _f = (...args) => {\n this.off(name, _f)\n f(...args)\n }\n this.on(name, _f)\n }\n\n /**\n * @param {N} name\n * @param {function} f\n */\n off (name, f) {\n const observers = this._observers.get(name)\n if (observers !== undefined) {\n observers.delete(f)\n if (observers.size === 0) {\n this._observers.delete(name)\n }\n }\n }\n\n /**\n * Emit a named event. All registered event listeners that listen to the\n * specified name will receive the event.\n *\n * @todo This should catch exceptions\n *\n * @param {N} name The event name.\n * @param {Array<any>} args The arguments that are applied to the event listener.\n */\n emit (name, args) {\n // copy all listeners to an array first to make sure that no event is emitted to listeners that are subscribed while the event handler is called.\n return array.from((this._observers.get(name) || map.create()).values()).forEach(f => f(...args))\n }\n\n destroy () {\n this._observers = map.create()\n }\n}\n/* c8 ignore end */\n"],"names":["map.create","map.setIfUndefined","set.create","array.from"],"mappings":";;;;;;;;AAAA;AACA;AACA;AACA;AACA;AAKA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACO,MAAM,YAAY,CAAC;AAC1B,EAAE,WAAW,CAAC,GAAG;AACjB;AACA;AACA;AACA;AACA,IAAI,IAAI,CAAC,UAAU,GAAGA,UAAU,GAAE;AAClC,GAAG;AACH;AACA;AACA;AACA;AACA;AACA;AACA,EAAE,EAAE,CAAC,CAAC,IAAI,EAAE,CAAC,EAAE;AACf,IAAIC,kBAAkB,CAAC,IAAI,CAAC,UAAU,yBAAyB,IAAI,GAAGC,UAAU,CAAC,CAAC,GAAG,CAAC,CAAC,EAAC;AACxF,IAAI,OAAO,CAAC;AACZ,GAAG;AACH;AACA;AACA;AACA;AACA;AACA;AACA,EAAE,IAAI,CAAC,CAAC,IAAI,EAAE,CAAC,EAAE;AACjB;AACA;AACA;AACA,IAAI,MAAM,EAAE,GAAG,CAAC,GAAG,IAAI,KAAK;AAC5B,MAAM,IAAI,CAAC,GAAG,CAAC,IAAI,sBAAsB,EAAE,GAAE;AAC7C,MAAM,CAAC,CAAC,GAAG,IAAI,EAAC;AAChB,MAAK;AACL,IAAI,IAAI,CAAC,EAAE,CAAC,IAAI,sBAAsB,EAAE,GAAE;AAC1C,GAAG;AACH;AACA;AACA;AACA;AACA;AACA;AACA,EAAE,GAAG,CAAC,CAAC,IAAI,EAAE,CAAC,EAAE;AAChB,IAAI,MAAM,SAAS,GAAG,IAAI,CAAC,UAAU,CAAC,GAAG,CAAC,IAAI,EAAC;AAC/C,IAAI,IAAI,SAAS,KAAK,SAAS,EAAE;AACjC,MAAM,SAAS,CAAC,MAAM,CAAC,CAAC,EAAC;AACzB,MAAM,IAAI,SAAS,CAAC,IAAI,KAAK,CAAC,EAAE;AAChC,QAAQ,IAAI,CAAC,UAAU,CAAC,MAAM,CAAC,IAAI,EAAC;AACpC,OAAO;AACP,KAAK;AACL,GAAG;AACH;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,EAAE,IAAI,CAAC,CAAC,IAAI,EAAE,IAAI,EAAE;AACpB;AACA,IAAI,OAAOC,UAAU,CAAC,CAAC,IAAI,CAAC,UAAU,CAAC,GAAG,CAAC,IAAI,CAAC,IAAIH,UAAU,EAAE,EAAE,MAAM,EAAE,CAAC,CAAC,OAAO,CAAC,CAAC,IAAI,CAAC,CAAC,GAAG,IAAI,CAAC,CAAC;AACpG,GAAG;AACH;AACA,EAAE,OAAO,CAAC,GAAG;AACb,IAAI,IAAI,CAAC,UAAU,GAAGA,UAAU,GAAE;AAClC,GAAG;AACH,CAAC;AACD;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACO,MAAM,UAAU,CAAC;AACxB,EAAE,WAAW,CAAC,GAAG;AACjB;AACA;AACA;AACA;AACA,IAAI,IAAI,CAAC,UAAU,GAAGA,UAAU,GAAE;AAClC,GAAG;AACH;AACA;AACA;AACA;AACA;AACA,EAAE,EAAE,CAAC,CAAC,IAAI,EAAE,CAAC,EAAE;AACf,IAAIC,kBAAkB,CAAC,IAAI,CAAC,UAAU,EAAE,IAAI,EAAEC,UAAU,CAAC,CAAC,GAAG,CAAC,CAAC,EAAC;AAChE,GAAG;AACH;AACA;AACA;AACA;AACA;AACA,EAAE,IAAI,CAAC,CAAC,IAAI,EAAE,CAAC,EAAE;AACjB;AACA;AACA;AACA,IAAI,MAAM,EAAE,GAAG,CAAC,GAAG,IAAI,KAAK;AAC5B,MAAM,IAAI,CAAC,GAAG,CAAC,IAAI,EAAE,EAAE,EAAC;AACxB,MAAM,CAAC,CAAC,GAAG,IAAI,EAAC;AAChB,MAAK;AACL,IAAI,IAAI,CAAC,EAAE,CAAC,IAAI,EAAE,EAAE,EAAC;AACrB,GAAG;AACH;AACA;AACA;AACA;AACA;AACA,EAAE,GAAG,CAAC,CAAC,IAAI,EAAE,CAAC,EAAE;AAChB,IAAI,MAAM,SAAS,GAAG,IAAI,CAAC,UAAU,CAAC,GAAG,CAAC,IAAI,EAAC;AAC/C,IAAI,IAAI,SAAS,KAAK,SAAS,EAAE;AACjC,MAAM,SAAS,CAAC,MAAM,CAAC,CAAC,EAAC;AACzB,MAAM,IAAI,SAAS,CAAC,IAAI,KAAK,CAAC,EAAE;AAChC,QAAQ,IAAI,CAAC,UAAU,CAAC,MAAM,CAAC,IAAI,EAAC;AACpC,OAAO;AACP,KAAK;AACL,GAAG;AACH;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,EAAE,IAAI,CAAC,CAAC,IAAI,EAAE,IAAI,EAAE;AACpB;AACA,IAAI,OAAOC,UAAU,CAAC,CAAC,IAAI,CAAC,UAAU,CAAC,GAAG,CAAC,IAAI,CAAC,IAAIH,UAAU,EAAE,EAAE,MAAM,EAAE,CAAC,CAAC,OAAO,CAAC,CAAC,IAAI,CAAC,CAAC,GAAG,IAAI,CAAC,CAAC;AACpG,GAAG;AACH;AACA,EAAE,OAAO,CAAC,GAAG;AACb,IAAI,IAAI,CAAC,UAAU,GAAGA,UAAU,GAAE;AAClC,GAAG;AACH,CAAC;AACD;;;;;"} |