29:null 2a:["$","title",null,{"children":"Path of Exile gem economy | Mikal Hitsøy Henriksen | Observable"}] 2f:[] 2d:{"id":"540d94467239aab1","slug":null,"title":"Path of Exile gem economy","thumbnail":"1d2936e850d5b7f44659a8c80c3eb5075cd9da8855d040942a66543d3908ea08","access_level":"public","create_time":"$D2024-02-01T13:15:58.678Z","update_time":"$D2024-02-24T22:40:40.249Z","view_time":null,"first_public_time":"$D2024-02-01T13:15:58.678Z","fork":{"id":"e5124db384ebe173","slug":"path-of-exile-economy","title":"Path of Exile Economy","owner":{"id":"e334db7e51a78dca","login":"supermikal","name":"Mikal Hitsøy Henriksen"}},"stars":0,"starred":false,"owner":{"type":"team","id":"e334db7e51a78dca","login":"supermikal","name":"Mikal Hitsøy Henriksen","avatar_url":"https://avatars-next.observableusercontent.com/3494bf57b7ab1aa05cce1a2f4a53a5849448d33bb9fa90da0d1ea74a58548cdb","tier":"starter_2024"},"version":2288,"publish_version":null,"role":null,"authored":false,"authors":[{"type":"individual","id":"dd5ad0253f4ceb03","login":"supermikal","name":"Mikal Hitsøy Henriksen","avatar_url":"https://avatars-next.observableusercontent.com/3494bf57b7ab1aa05cce1a2f4a53a5849448d33bb9fa90da0d1ea74a58548cdb","tier":null}],"members":[{"type":"individual","id":"dd5ad0253f4ceb03","login":"supermikal","name":"Mikal Hitsøy Henriksen","avatar_url":"https://avatars-next.observableusercontent.com/3494bf57b7ab1aa05cce1a2f4a53a5849448d33bb9fa90da0d1ea74a58548cdb","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"title":"Path of Exile gem economy","cells":[{"id":1871,"value":"# Path of Exile gem economy","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined"},{"id":624,"value":"async function getData(url) {\n const r = await fetch(\"https://corsproxy.io/?\" + encodeURIComponent(url));\n return r.ok\n ? r.json()\n : md`## 🛑 ${r.status} ${r.statusText}\\n~~~\\n${[...r.headers]\n .map(([name, value]) => `${name}: ${value}`)\n .join(\"\\n\")}\\n\\n${await r.text()}\\n~~~`;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1557,"value":"data = await getData(\n \"https://poe.ninja/api/data/denseoverviews?league=Affliction\"\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1559,"value":"flatData = data.currencyOverviews.concat(data.itemOverviews).flatMap((cat) =>\n cat.lines.map((line) => ({\n name: line.name,\n type: cat.type,\n variant: line.variant,\n // \"chaos\" is the Chaos Orb item used as the de facto standard currency for trading, in addition to Divine Orbs for larger sums\n value: line.chaos\n }))\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":192,"value":"flatData","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":205,"value":"Divine Orbs are currently worth **${_.find(flatData, _.matchesProperty(\"name\", \"Divine Orb\")).value}** Chaos Orbs","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined"},{"id":219,"value":"## Gems\nRead more here: https://www.poewiki.net/wiki/Gem","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined"},{"id":1060,"value":"rawGems = flatData.filter((d) => d.type === \"SkillGem\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":2029,"value":"rawGems","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1701,"value":"length = rawGems.length","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1757,"value":"index = _.range(length)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1674,"value":"name = rawGems.map((d) => d.name)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1679,"value":"value = rawGems.map((d) => d.value)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1065,"value":"gemNames = _.uniq(name)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1082,"value":"gemNameBases = gemNames\n .filter(\n (it) =>\n !(\n it.startsWith(\"Vaal\") ||\n it.startsWith(\"Awakened\") ||\n gemNames.some((that) => it.includes(that + \" of \"))\n )\n )\n .sort((a, b) => b.length - a.length) // Longest names first","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1106,"value":"gemNameBases","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1094,"value":"// Manual sanity check that there are no transfigurd gems left\ngemNameBases.filter((it) => it.includes(\" of \"))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1640,"value":"baseName = name.map((d) =>\n d === \"Vaal Domination\"\n ? \"Dominating Blow\"\n : d === \"Vaal Breach\"\n ? \"Portal\"\n : gemNameBases.find((base) => d.toUpperCase().includes(base.toUpperCase()))\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1900,"value":"variant = rawGems.map((d) => d.variant)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1618,"value":"variantMatchGroups = variant.map(\n (d) => /^(?\\d+)(?:\\/(?\\d+))?(?c)?$/.exec(d).groups\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1625,"value":"level = variantMatchGroups.map((d) => +d.level)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1628,"value":"quality = variantMatchGroups.map((d) => +(d.quality ?? 0))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1637,"value":"corrupted = variantMatchGroups.map((d) => !!d.corrupted)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1657,"value":"support = name.map((d) => d.endsWith(\"Support\"))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1659,"value":"vaal = name.map((d) => d.startsWith(\"Vaal\"))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1662,"value":"awakened = name.map((d) => d.startsWith(\"Awakened\"))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1664,"value":"exceptional = baseName.map(\n (d) =>\n d === \"Enhance Support\" ||\n d === \"Empower Support\" ||\n d === \"Enlighten Support\"\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1696,"value":"transfigured = {\n const out = Array.from({ length });\n for (var i = 0; i < length; i++) {\n out[i] = !vaal[i] && !awakened[i] && name[i] != baseName[i];\n }\n return out;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1704,"value":"maxLevel = {\n const out = Array.from({ length });\n for (var i = 0; i < length; i++) {\n out[i] =\n name[i] === \"Brand Recall\"\n ? 6\n : name[i] === \"Vaal Breach\"\n ? 1\n : exceptional[i]\n ? 3 + awakened[i]\n : awakened[i]\n ? 5\n : 20;\n }\n return out;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1735,"value":"groupedByName = name.reduce((g, d, i) => ((g[d] ??= []).push(i), g), {})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1829,"value":"groupedByBase = baseName.reduce((g, d, i) => ((g[d] ??= []).push(i), g), {})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":86,"value":"gemMaxValue = _.mapValues(groupedByBase, (g) => _.max(g.map((d) => value[d])))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1824,"value":"gemLevels = _.mapValues(groupedByName, (g) =>\n _.sortBy(_.uniq(g.map((d) => level[d])))\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1833,"value":"_.uniqBy(Object.values(gemLevels), _.join)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1051,"value":"### Gem Transformations","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined"},{"id":1806,"value":"subtype = index\n .map(\n (i) =>\n (corrupted[i] ? \"c\" : \"\") +\n (transfigured[i] ? \"t\" : \"\") +\n (awakened[i] ? \"a\" : \"\") +\n (vaal[i] ? \"v\" : \"\")\n )\n .map((d) => (d === \"\" ? \"n\" : d))","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1762,"value":"// Sanity check: Mutually exclusive properties\n_.uniq(subtype).sort()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1904,"value":"levelTag = index.map(\n (i) =>\n (quality[i] === 0\n ? \"0\"\n : quality[i] === 20\n ? \"m\"\n : quality[i] === 23\n ? \"o\"\n : quality[i].toString()) +\n (level[i] === 1\n ? \"1\"\n : level[i] === maxLevel[i]\n ? \"m\"\n : level[i] === maxLevel[i] + 1\n ? \"o\"\n : level[i].toString())\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1912,"value":"_.uniq(levelTag).sort()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":1955,"value":"// testing regex usage\n[\n /^(.)a\\1$/.test(\"bab\"), // named backref\n /^(?.)a\\k$/.test(\"bab\"), // named backref\n /^b(\\w)b$/.test(\"bab\"), // \\w is word\n /^b(\\s)b$/.test(\"b b\") // \\s is space\n]","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":2011,"value":"valid = {\n const validTransNormal =\n /^(?:01>m1|02>m2|0\\d>0m|0?m\\d?>mm) (?..?)>\\k$/,\n validTransCorruption = /^mm>.. (?:n>cv?|a>ca|t>ct)$/,\n validTransSubtype = /^01>01 n>[at]$/;\n return {\n normal: validTransNormal,\n corruption: validTransCorruption,\n subtype: validTransSubtype\n /*all: new RegExp(\n [validTransNormal, validTransSubtype, validTransCorruption]\n .map((re) => \"^(?:\" + re.source + \")$\")\n .join(\"|\")\n )*/\n };\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":2013,"value":"valid.normal.test(\"0m>mm a>a\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":2003,"value":"transitions = _.mapValues(groupedByBase, (ids) => {\n const out = [];\n\n for (let i = 0; i < ids.length; ++i) {\n const ii = ids[i];\n for (let j = 0; j < ids.length; ++j) {\n if (i === j) continue;\n const jj = ids[j];\n if (transfigured[ii] && transfigured[jj] && name[ii] !== name[jj])\n continue;\n\n const trans =\n levelTag[ii] +\n \">\" +\n levelTag[jj] +\n \" \" +\n subtype[ii] +\n \">\" +\n subtype[jj];\n const isNormal = valid.normal.test(trans),\n isCorruption = valid.corruption.test(trans),\n isTransfig = valid.subtype.test(trans);\n if (isNormal | isCorruption | isTransfig)\n out.push({\n from: ii,\n to: jj,\n trans,\n mode: isNormal\n ? \"n\"\n : isCorruption\n ? \"c\"\n : isTransfig\n ? trans[trans.length - 1]\n : \"never\",\n gain: value[jj] - value[ii]\n });\n }\n }\n return out;\n})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":2043,"value":"Plot.plot({\n width,\n height: width,\n // axis: { x: { type: \"ordinal\" } },\n color: {\n type: \"diverging-symlog\",\n scheme: \"RdYlGn\"\n // transform: (d) => Math.log(d)\n // legend: true\n },\n marks: [\n Plot.frame({ fill: \"black\" }),\n Plot.arrow(transitions.Absolution, {\n // fx: (d) => subtype[d.from],\n //fy: (d) => levelTag[d.from]+\n //subtype[d.from],\n // fy: (d) => subtype[d.to],\n x1: (d) => subtype[d.from],\n x2: (d) => subtype[d.to],\n y1: (d) => levelTag[d.from],\n y2: (d) => levelTag[d.to],\n // marker: \"arrow\",\n // sort: { x: \"y2\" },\n // stroke: \"gain\",\n stroke: \"gain\",\n // fy: (d) => levelTag[d.from] + subtype[d.from],\n fy: \"mode\",\n strokeWidth: 3\n // fill: \"red\"\n })\n ]\n})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":2278,"value":"Plot.plot({\n width,\n height: width,\n // axis: { x: { type: \"ordinal\" } },\n y: { type: \"log\" },\n color: {\n // type: \"diverging-symlog\",\n // scheme: \"RdYlGn\"\n // transform: (d) => Math.log(d)\n legend: true\n },\n marks: [\n Plot.frame({ fill: \"black\" }),\n Plot.arrow(transitions.Absolution, {\n // fx: (d) => subtype[d.from],\n //fy: (d) => levelTag[d.from]+\n //subtype[d.from],\n // fy: (d) => subtype[d.to],\n x1: (d) => levelTag[d.from] + subtype[d.from],\n x2: (d) => levelTag[d.to] + subtype[d.to],\n y1: (d) => value[d.from],\n y2: (d) => value[d.to],\n // marker: \"arrow\",\n // sort: { x: \"y2\" },\n // stroke: \"gain\",\n stroke: \"mode\",\n // fy: \"mode\",\n strokeWidth: 3\n // fill: \"red\"\n })\n ]\n})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":2160,"value":"htl.html`${[\n Plot.plot({\n // height: 2 * width,\n // axis: { x: { type: \"ordinal\" } },\n // y: { type: \"log\" },\n color: {\n type: \"diverging-symlog\",\n scheme: \"RdYlGn\",\n // transform: (d) => Math.log(d)\n legend: true\n },\n marks: [\n Plot.frame({ fill: \"black\" }),\n Plot.cell(transitions.Absolution, {\n // fx: (d) => subtype[d.from],\n //fy: (d) => levelTag[d.from]+\n //subtype[d.from],\n // fy: (d) => subtype[d.to],\n x: (d) => levelTag[d.from] + subtype[d.from],\n // x2: (d) => levelTag[d.to] + subtype[d.to],\n // y1: (d) => value[d.from],\n // y2: (d) => value[d.to],\n y: (d) => levelTag[d.to] + subtype[d.to],\n // length: (d) => Math.log(d.gain),\n // marker: \"arrow\",\n // sort: { x: \"length\", y: \"-length\" },\n fill: \"gain\"\n // stroke: \"mode\"\n // fy: \"mode\",\n // strokeWidth: 3\n // fill: \"red\"\n })\n ]\n })\n]}`","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":2183,"value":"Plot.plot({\n width,\n height: width,\n x: { type: \"symlog\" },\n y: { axis: false },\n\n color: {\n type: \"diverging-symlog\",\n scheme: \"RdYlGn\"\n // transform: (d) => Math.log(d)\n // legend: true\n },\n marks: [\n Plot.frame({ fill: \"#222\" }),\n Plot.text(transitions.Absolution, {\n frameAnchor: \"left\",\n x: 0,\n y: \"trans\",\n text: \"trans\",\n fill: \"white\",\n dx: 10,\n filter: (d) => d.gain < 0\n }),\n Plot.text(transitions.Absolution, {\n frameAnchor: \"right\",\n x: 0,\n y: \"trans\",\n text: \"trans\",\n fill: \"white\",\n dx: -10,\n filter: (d) => d.gain >= 0\n }),\n Plot.barX(transitions.Absolution, {\n x: \"gain\",\n y: \"trans\",\n fill: \"gain\"\n // fy: (d) => d.mode + levelTag[d.from]\n }),\n Plot.tickX(transitions.Absolution, {\n x: 0,\n y: \"trans\",\n stroke: (d) => ({ t: \"blue\", c: \"red\", n: \"green\" }[d.mode] ?? \"pink\"),\n strokeWidth: 10,\n sort: { y: \"stroke\" }\n })\n ]\n})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":2083,"value":"_(transitions)\n .mapValues((ts, name) =>\n _(ts)\n .flatMap((t) => [t.from, t.to])\n .uniq()\n .filter((t) => !groupedByBase[name].includes(t))\n .value()\n )\n .omitBy(_.isEmpty)\n .value()","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"}],"files":"$W2f","stdlib":"1","titling":"auto"}} 2e:"$2d:body"