{"version":3,"file":"store.ByS0nB7B.js","sources":["../../../../../../../../node_modules/svelte/src/internal/client/reactivity/store.js"],"sourcesContent":["/** @import { StoreReferencesContainer } from '#client' */\n/** @import { Store } from '#shared' */\nimport { subscribe_to_store } from '../../../store/utils.js';\nimport { noop } from '../../shared/utils.js';\nimport { get } from '../runtime.js';\nimport { teardown } from './effects.js';\nimport { mutable_source, set } from './sources.js';\n\n/**\n * Gets the current value of a store. If the store isn't subscribed to yet, it will create a proxy\n * signal that will be updated when the store is. The store references container is needed to\n * track reassignments to stores and to track the correct component context.\n * @template V\n * @param {Store<V> | null | undefined} store\n * @param {string} store_name\n * @param {StoreReferencesContainer} stores\n * @returns {V}\n */\nexport function store_get(store, store_name, stores) {\n\tconst entry = (stores[store_name] ??= {\n\t\tstore: null,\n\t\tsource: mutable_source(undefined),\n\t\tunsubscribe: noop\n\t});\n\n\tif (entry.store !== store) {\n\t\tentry.unsubscribe();\n\t\tentry.store = store ?? null;\n\n\t\tif (store == null) {\n\t\t\tentry.source.v = undefined; // see synchronous callback comment below\n\t\t\tentry.unsubscribe = noop;\n\t\t} else {\n\t\t\tvar is_synchronous_callback = true;\n\n\t\t\tentry.unsubscribe = subscribe_to_store(store, (v) => {\n\t\t\t\tif (is_synchronous_callback) {\n\t\t\t\t\t// If the first updates to the store value (possibly multiple of them) are synchronously\n\t\t\t\t\t// inside a derived, we will hit the `state_unsafe_mutation` error if we `set` the value\n\t\t\t\t\tentry.source.v = v;\n\t\t\t\t} else {\n\t\t\t\t\tset(entry.source, v);\n\t\t\t\t}\n\t\t\t});\n\n\t\t\tis_synchronous_callback = false;\n\t\t}\n\t}\n\n\treturn get(entry.source);\n}\n\n/**\n * Unsubscribe from a store if it's not the same as the one in the store references container.\n * We need this in addition to `store_get` because someone could unsubscribe from a store but\n * then never subscribe to the new one (if any), causing the subscription to stay open wrongfully.\n * @param {Store<any> | null | undefined} store\n * @param {string} store_name\n * @param {StoreReferencesContainer} stores\n */\nexport function store_unsub(store, store_name, stores) {\n\t/** @type {StoreReferencesContainer[''] | undefined} */\n\tlet entry = stores[store_name];\n\n\tif (entry && entry.store !== store) {\n\t\t// Don't reset store yet, so that store_get above can resubscribe to new store if necessary\n\t\tentry.unsubscribe();\n\t\tentry.unsubscribe = noop;\n\t}\n\n\treturn store;\n}\n\n/**\n * Sets the new value of a store and returns that value.\n * @template V\n * @param {Store<V>} store\n * @param {V} value\n * @returns {V}\n */\nexport function store_set(store, value) {\n\tstore.set(value);\n\treturn value;\n}\n\n/**\n * @param {StoreReferencesContainer} stores\n * @param {string} store_name\n */\nexport function invalidate_store(stores, store_name) {\n\tvar entry = stores[store_name];\n\tif (entry.store !== null) {\n\t\tstore_set(entry.store, entry.source.v);\n\t}\n}\n\n/**\n * Unsubscribes from all auto-subscribed stores on destroy\n * @returns {StoreReferencesContainer}\n */\nexport function setup_stores() {\n\t/** @type {StoreReferencesContainer} */\n\tconst stores = {};\n\n\tteardown(() => {\n\t\tfor (var store_name in stores) {\n\t\t\tconst ref = stores[store_name];\n\t\t\tref.unsubscribe();\n\t\t}\n\t});\n\n\treturn stores;\n}\n\n/**\n * Updates a store with a new value.\n * @param {Store<V>} store  the store to update\n * @param {any} expression  the expression that mutates the store\n * @param {V} new_value  the new store value\n * @template V\n */\nexport function store_mutate(store, expression, new_value) {\n\tstore.set(new_value);\n\treturn expression;\n}\n\n/**\n * @param {Store<number>} store\n * @param {number} store_value\n * @param {1 | -1} [d]\n * @returns {number}\n */\nexport function update_store(store, store_value, d = 1) {\n\tstore.set(store_value + d);\n\treturn store_value;\n}\n\n/**\n * @param {Store<number>} store\n * @param {number} store_value\n * @param {1 | -1} [d]\n * @returns {number}\n */\nexport function update_pre_store(store, store_value, d = 1) {\n\tconst value = store_value + d;\n\tstore.set(value);\n\treturn value;\n}\n"],"names":["store_get","store","store_name","stores","entry","mutable_source","noop","is_synchronous_callback","subscribe_to_store","v","set","get","store_set","value","setup_stores","teardown"],"mappings":"qHAkBO,SAASA,EAAUC,EAAOC,EAAYC,EAAQ,CACpD,MAAMC,EAASD,EAAAD,KAAAC,EAAAD,GAAuB,CACrC,MAAO,KACP,OAAQG,EAAe,MAAS,EAChC,YAAaC,CACf,GAEC,GAAIF,EAAM,QAAUH,EAInB,GAHAG,EAAM,YAAa,EACnBA,EAAM,MAAQH,GAAS,KAEnBA,GAAS,KACZG,EAAM,OAAO,EAAI,OACjBA,EAAM,YAAcE,MACd,CACN,IAAIC,EAA0B,GAE9BH,EAAM,YAAcI,EAAmBP,EAAQQ,GAAM,CAChDF,EAGHH,EAAM,OAAO,EAAIK,EAEjBC,EAAIN,EAAM,OAAQK,CAAC,CAExB,CAAI,EAEDF,EAA0B,EAC7B,CAGC,OAAOI,EAAIP,EAAM,MAAM,CACxB,CA8BO,SAASQ,EAAUX,EAAOY,EAAO,CACvC,OAAAZ,EAAM,IAAIY,CAAK,EACRA,CACR,CAiBO,SAASC,GAAe,CAE9B,MAAMX,EAAS,CAAE,EAEjB,OAAAY,EAAS,IAAM,CACd,QAASb,KAAcC,EACVA,EAAOD,CAAU,EACzB,YAAa,CAEpB,CAAE,EAEMC,CACR","x_google_ignoreList":[0]}