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@flow\nimport courier from './courier';\nimport normalizeSlots from './normalizeSlots';\n\nimport type {\n Ctor,\n CreateRenderFnOptions,\n CreateRenderFn,\n CreateRenderFnc,\n} from './annotations';\n\nconst isObject = test => Object.prototype.toString.call(test) === '[object Object]';\nconst isFn = test => Object.prototype.toString.call(test) === '[object Function]';\n\nconst justBindOptions = [\n 'listeners',\n 'nativeOn',\n 'scopedSlots',\n];\n\nconst justBindFn = key => justBindOptions.indexOf(key) > -1;\n\nconst getOptionsKeys = options => Object\n .keys(options)\n .concat(['listeners', 'props', 'attrs'])\n .filter((k, i, a) => a.indexOf(k) === i);\n\nconst createOptionHandlers = (originalOptions, keys) => {\n const options: {\n [dataName: string]: Function\n } = {};\n\n keys.forEach(key => {\n const option = originalOptions[key];\n\n if (!option){\n options[key] = owner => owner;\n return;\n }\n\n if (isFn(option)){\n // $FlowFixMe\n options[key] = option;\n return;\n }\n\n if (isObject(option)){\n const optionKeys = Object.keys(option);\n\n if (!optionKeys.some(k => isFn(option[k]))){\n options[key] = (owner) => Object.assign({}, owner, option);\n return;\n }\n\n options[key] = function(owner) {\n const result = Object.assign({}, owner);\n const justBind = justBindFn(key);\n\n optionKeys.forEach(k => {\n let value = option && option[k];\n\n if (isFn(value)){\n if (justBind){\n value = value.bind(this);\n }else{\n value = value.call(this, owner);\n }\n }\n result[k] = value;\n });\n return result;\n };\n return;\n }\n\n options[key] = () => option;\n });\n\n return options;\n};\n\nconst preprocessOptions = (originalOptions) => {\n const keys = getOptionsKeys(originalOptions);\n const options = createOptionHandlers(originalOptions, keys);\n\n return (context, isFunctional) => {\n const result: {\n on: Object,\n props: Object,\n attrs: Object,\n scopedSlots?: Object,\n } = {\n on: {},\n props: {},\n attrs: {},\n };\n\n keys.forEach(key => {\n const owner = isFunctional ?\n context[key] || context.data[key] :\n context[`$${key}`];\n\n const value = options[key].call(context, owner);\n\n if (key === 'listeners'){\n key = 'on';\n }\n\n result[key] = value;\n });\n\n return result;\n };\n};\n\n\nexport const createRenderFn: CreateRenderFn = (Component, options) => {\n const getData = preprocessOptions(options || {});\n\n return function renderHoc(\n h: (\n ctor: Object,\n data: Object,\n slots: Array<any>\n ) => any,\n context?: Object\n ) {\n //const data = processOptions(this || context || {}, options || {});\n const data = getData(context || this, !!context);\n const scopedSlots: Object = (context && context.data && context.data.scopedSlots) ||\n (this && this.$scopedSlots);\n const slots: Array<any> = (context && context.children) || (this && this.$slots && normalizeSlots(this.$slots)) || [];\n\n data.scopedSlots = data.scopedSlots || scopedSlots;\n\n return h(Component, data, slots);\n };\n};\n\nexport const createRenderFnc: CreateRenderFnc = courier(2, (\n options: CreateRenderFnOptions,\n Component: Ctor\n) => {\n return createRenderFn(Component, options);\n});\n"]} |