mosx
Version:
Multiview observable state management engine
1 lines • 47.6 kB
JavaScript
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Use "),a("code",[t._v("@mx.computed")]),t._v(" decorator to wrap computed property.")]),t._v(" "),a("div",{staticClass:"language-ts extra-class"},[a("pre",{pre:!0,attrs:{class:"language-ts"}},[a("code",[t._v("@mx"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("Object\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Item")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n\n "),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// computed property")]),t._v("\n @mx"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("computed "),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("get")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("flag")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" 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operator"}},[t._v("=")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token boolean"}},[t._v("true")]),t._v("\n\n"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("const")]),t._v(" item "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("new")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Item")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n\n"),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// get snapshot of item")]),t._v("\n"),a("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("Mosx"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("getSnapshot")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("item"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n"),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// { flag: 'Computed value' }")]),t._v("\n\n"),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// update observable property")]),t._v("\nitem"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("mobx "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token boolean"}},[t._v("false")]),t._v("\n\n"),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// get updated snapdhot of item")]),t._v("\n"),a("span",{pre:!0,attrs:{class:"token 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"),a("h2",{attrs:{id:"private-objects-and-properties"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#private-objects-and-properties"}},[t._v("#")]),t._v(" Private objects and properties")]),t._v(" "),a("p",[t._v("By default all "),a("code",[t._v("@mx")]),t._v(" objects/properties are public and visible for all listeners. If it is required to manage visibility of objects/properies you need to make them private.")]),t._v(" "),a("p",[t._v("Use "),a("code",[t._v("@mx.Object.private")]),t._v(" decorator for private objects:")]),t._v(" "),a("div",{staticClass:"language-ts extra-class"},[a("pre",{pre:!0,attrs:{class:"language-ts"}},[a("code",[t._v("@mx"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("Object"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("private")]),t._v("\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("PrivateItem")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("...")]),t._v("\n"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n")])])]),a("p",[t._v("Use "),a("code",[t._v("@mx.private")]),t._v(" decorator for private properties and "),a("code",[t._v("@mx.computed.private")]),t._v(" decorator for private computed properties:")]),t._v(" "),a("div",{staticClass:"language-ts extra-class"},[a("pre",{pre:!0,attrs:{class:"language-ts"}},[a("code",[t._v("@mx"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("Object\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Item")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n\n "),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// public property")]),t._v("\n @mx name "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token string"}},[t._v('"abc"')]),t._v("\n\n "),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// private property")]),t._v("\n @mx"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("private")]),t._v(" value "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token number"}},[t._v("100")]),t._v("\n\n "),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// private computed property")]),t._v("\n @mx"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("computed"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("private")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("get")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("flag")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// ...")]),t._v("\n "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("const")]),t._v(" item "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("new")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Item")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n\n"),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// get snapshot of item")]),t._v("\n"),a("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("Mosx"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("getSnapshot")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("item"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n"),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// { name: 'abc' }")]),t._v("\n")])])]),a("p",[t._v("Private objects and properties are not visible for tracker and in snapshots without access tags. Access for private objects and properties are described in Visibility management.")]),t._v(" "),a("h2",{attrs:{id:"visiblity-management"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#visiblity-management"}},[t._v("#")]),t._v(" Visiblity management")]),t._v(" "),a("h3",{attrs:{id:"access-tags"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#access-tags"}},[t._v("#")]),t._v(" Access tags")]),t._v(" "),a("p",[t._v("Access tags can be added to any Mosx object. All listeners with one of this tag can see all private properties of Mosx object. To manage access tags of object use "),a("code",[t._v("addTag, deleteTag, getTags")]),t._v(" methods:")]),t._v(" "),a("div",{staticClass:"language-ts extra-class"},[a("pre",{pre:!0,attrs:{class:"language-ts"}},[a("code",[t._v("@mx"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("Object\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Item")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// public property")]),t._v("\n @mx name "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token string"}},[t._v('"abc"')]),t._v("\n\n "),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// private property")]),t._v("\n @mx"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token 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punctuation"}},[t._v(")")]),t._v("\n\n"),a("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("Mosx"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("getSnapshot")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("item"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token string"}},[t._v('"123"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n"),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// { name: 'abc' }")]),t._v("\n"),a("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("Mosx"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("getSnapshot")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("item"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token string"}},[t._v('"234"')]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n"),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// { name: 'abc', value: 100 }")]),t._v("\n\n"),a("span",{pre:!0,attrs:{class:"token builtin"}},[t._v("console")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("Mosx"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("getTags")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("item"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n"),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v('// Set(1) {"234"}')]),t._v("\n")])])]),a("h3",{attrs:{id:"virtual-objects-tree-advanced"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#virtual-objects-tree-advanced"}},[t._v("#")]),t._v(" Virtual objects tree (advanced)")]),t._v(" "),a("p",[t._v("Every Mosx object has virtual Mosx parent and inherits parent tags and tracker. By default parent of all Mosx objects are root state Object. To manage virtual objects tree use "),a("code",[t._v("setParent")]),t._v(" method:")]),t._v(" "),a("div",{staticClass:"language-ts extra-class"},[a("pre",{pre:!0,attrs:{class:"language-ts"}},[a("code",[t._v("@mx"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("Object\n"),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("State")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n @mx players "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("new")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Array")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v("\n @mx objects "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" 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