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10 KiB
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10 KiB
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{"ast":null,"code":"import { addUniqueItem, removeItem } from 'motion-utils';\nclass NodeStack {\n constructor() {\n this.members = [];\n }\n add(node) {\n addUniqueItem(this.members, node);\n node.scheduleRender();\n }\n remove(node) {\n removeItem(this.members, node);\n if (node === this.prevLead) {\n this.prevLead = undefined;\n }\n if (node === this.lead) {\n const prevLead = this.members[this.members.length - 1];\n if (prevLead) {\n this.promote(prevLead);\n }\n }\n }\n relegate(node) {\n const indexOfNode = this.members.findIndex(member => node === member);\n if (indexOfNode === 0) return false;\n /**\n * Find the next projection node that is present\n */\n let prevLead;\n for (let i = indexOfNode; i >= 0; i--) {\n const member = this.members[i];\n if (member.isPresent !== false) {\n prevLead = member;\n break;\n }\n }\n if (prevLead) {\n this.promote(prevLead);\n return true;\n } else {\n return false;\n }\n }\n promote(node, preserveFollowOpacity) {\n const prevLead = this.lead;\n if (node === prevLead) return;\n this.prevLead = prevLead;\n this.lead = node;\n node.show();\n if (prevLead) {\n prevLead.instance && prevLead.scheduleRender();\n node.scheduleRender();\n node.resumeFrom = prevLead;\n if (preserveFollowOpacity) {\n node.resumeFrom.preserveOpacity = true;\n }\n if (prevLead.snapshot) {\n node.snapshot = prevLead.snapshot;\n node.snapshot.latestValues = prevLead.animationValues || prevLead.latestValues;\n }\n if (node.root && node.root.isUpdating) {\n node.isLayoutDirty = true;\n }\n const {\n crossfade\n } = node.options;\n if (crossfade === false) {\n prevLead.hide();\n }\n /**\n * TODO:\n * - Test border radius when previous node was deleted\n * - boxShadow mixing\n * - Shared between element A in scrolled container and element B (scroll stays the same or changes)\n * - Shared between element A in transformed container and element B (transform stays the same or changes)\n * - Shared between element A in scrolled page and element B (scroll stays the same or changes)\n * ---\n * - Crossfade opacity of root nodes\n * - layoutId changes after animation\n * - layoutId changes mid animation\n */\n }\n }\n exitAnimationComplete() {\n this.members.forEach(node => {\n const {\n options,\n resumingFrom\n } = node;\n options.onExitComplete && options.onExitComplete();\n if (resumingFrom) {\n resumingFrom.options.onExitComplete && resumingFrom.options.onExitComplete();\n }\n });\n }\n scheduleRender() {\n this.members.forEach(node => {\n node.instance && node.scheduleRender(false);\n });\n }\n /**\n * Clear any leads that have been removed this render to prevent them from being\n * used in future animations and to prevent memory leaks\n */\n removeLeadSnapshot() {\n if (this.lead && this.lead.snapshot) {\n this.lead.snapshot = undefined;\n }\n }\n}\nexport { NodeStack };","map":{"version":3,"names":["addUniqueItem","removeItem","NodeStack","constructor","members","add","node","scheduleRender","remove","prevLead","undefined","lead","length","promote","relegate","indexOfNode","findIndex","member","i","isPresent","preserveFollowOpacity","show","instance","resumeFrom","preserveOpacity","snapshot","latestValues","animationValues","root","isUpdating","isLayoutDirty","crossfade","options","hide","exitAnimationComplete","forEach","resumingFrom","onExitComplete","removeLeadSnapshot"],"sources":["/Users/apple/Documents/cursor/Web课件/AI课/education_web_多Agent协作系统/node_modules/framer-motion/dist/es/projection/shared/stack.mjs"],"sourcesContent":["import { addUniqueItem, removeItem } from 'motion-utils';\n\nclass NodeStack {\n constructor() {\n this.members = [];\n
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