diff --git a/packages/frontend/src/components/page/block.type.ts b/packages/frontend/src/components/page/block.type.ts
new file mode 100644
index 000000000..71249a8af
--- /dev/null
+++ b/packages/frontend/src/components/page/block.type.ts
@@ -0,0 +1,29 @@
+export type BlockBase = {
+	id: string;
+	type: string;
+};
+
+export type TextBlock = BlockBase & {
+	type: 'text';
+	text: string;
+};
+
+export type SectionBlock = BlockBase & {
+	type: 'section';
+	title: string;
+	children: Block[];
+};
+
+export type ImageBlock = BlockBase & {
+	type: 'image';
+	fileId: string | null;
+};
+
+export type NoteBlock = BlockBase & {
+	type: 'note';
+	detailed: boolean;
+	note: string | null;
+};
+
+export type Block =
+	TextBlock | SectionBlock | ImageBlock | NoteBlock;
diff --git a/packages/frontend/src/components/page/page.block.vue b/packages/frontend/src/components/page/page.block.vue
index 3f8a5dbc5..dddb9d76b 100644
--- a/packages/frontend/src/components/page/page.block.vue
+++ b/packages/frontend/src/components/page/page.block.vue
@@ -1,33 +1,19 @@
 <template>
-<component :is="'x-' + block.type" :key="block.id" :block="block" :hpml="hpml" :h="h"/>
+<component :is="'x-' + block.type" :key="block.id" :page="page" :block="block" :h="h"/>
 </template>
 
-<script lang="ts">
-import { defineComponent, PropType } from 'vue';
+<script lang="ts" setup>
+import { } from 'vue';
+import * as Misskey from 'misskey-js';
 import XText from './page.text.vue';
 import XSection from './page.section.vue';
 import XImage from './page.image.vue';
 import XNote from './page.note.vue';
-import { Hpml } from '@/scripts/hpml/evaluator';
-import { Block } from '@/scripts/hpml/block';
+import { Block } from './block.type';
 
-export default defineComponent({
-	components: {
-		XText, XSection, XImage, XNote,
-	},
-	props: {
-		block: {
-			type: Object as PropType<Block>,
-			required: true,
-		},
-		hpml: {
-			type: Object as PropType<Hpml>,
-			required: true,
-		},
-		h: {
-			type: Number,
-			required: true,
-		},
-	},
-});
+defineProps<{
+	block: Block,
+	h: number,
+	page: Misskey.entities.Page,
+}>();
 </script>
diff --git a/packages/frontend/src/components/page/page.image.vue b/packages/frontend/src/components/page/page.image.vue
index 6ea81d257..2edcfb8b1 100644
--- a/packages/frontend/src/components/page/page.image.vue
+++ b/packages/frontend/src/components/page/page.image.vue
@@ -5,15 +5,15 @@
 </template>
 
 <script lang="ts" setup>
-import { PropType } from 'vue';
+import { } from 'vue';
+import * as Misskey from 'misskey-js';
+import { ImageBlock } from './block.type';
 import ImgWithBlurhash from '@/components/MkImgWithBlurhash.vue';
-import { ImageBlock } from '@/scripts/hpml/block';
-import { Hpml } from '@/scripts/hpml/evaluator';
 
 const props = defineProps<{
-	block: PropType<ImageBlock>,
-	hpml: PropType<Hpml>,
+	block: ImageBlock,
+	page: Misskey.entities.Page,
 }>();
 
-const image = props.hpml.page.attachedFiles.find(x => x.id === props.block.fileId);
+const image = props.page.attachedFiles.find(x => x.id === props.block.fileId);
 </script>
diff --git a/packages/frontend/src/components/page/page.note.vue b/packages/frontend/src/components/page/page.note.vue
index 7c620184d..7133a7f5a 100644
--- a/packages/frontend/src/components/page/page.note.vue
+++ b/packages/frontend/src/components/page/page.note.vue
@@ -5,37 +5,25 @@
 </div>
 </template>
 
-<script lang="ts">
-import { defineComponent, onMounted, PropType, Ref, ref } from 'vue';
+<script lang="ts" setup>
+import { onMounted, Ref, ref } from 'vue';
+import * as Misskey from 'misskey-js';
+import { NoteBlock } from './block.type';
 import MkNote from '@/components/MkNote.vue';
 import MkNoteDetailed from '@/components/MkNoteDetailed.vue';
 import * as os from '@/os';
-import { NoteBlock } from '@/scripts/hpml/block';
 
-export default defineComponent({
-	components: {
-		MkNote,
-		MkNoteDetailed,
-	},
-	props: {
-		block: {
-			type: Object as PropType<NoteBlock>,
-			required: true,
-		},
-	},
-	setup(props, ctx) {
-		const note: Ref<Record<string, any> | null> = ref(null);
+const props = defineProps<{
+	block: NoteBlock,
+	page: Misskey.entities.Page,
+}>();
 
-		onMounted(() => {
-			os.api('notes/show', { noteId: props.block.note })
-				.then(result => {
-					note.value = result;
-				});
+const note: Ref<Misskey.entities.Note | null> = ref(null);
+
+onMounted(() => {
+	os.api('notes/show', { noteId: props.block.note })
+		.then(result => {
+			note.value = result;
 		});
-
-		return {
-			note,
-		};
-	},
 });
 </script>
diff --git a/packages/frontend/src/components/page/page.section.vue b/packages/frontend/src/components/page/page.section.vue
index 50181b390..dc06a231f 100644
--- a/packages/frontend/src/components/page/page.section.vue
+++ b/packages/frontend/src/components/page/page.section.vue
@@ -3,34 +3,23 @@
 	<component :is="'h' + h">{{ block.title }}</component>
 
 	<div class="children">
-		<XBlock v-for="child in block.children" :key="child.id" :block="child" :hpml="hpml" :h="h + 1"/>
+		<XBlock v-for="child in block.children" :key="child.id" :page="page" :block="child" :h="h + 1"/>
 	</div>
 </section>
 </template>
 
-<script lang="ts">
-import { defineComponent, defineAsyncComponent, PropType } from 'vue';
-import { SectionBlock } from '@/scripts/hpml/block';
-import { Hpml } from '@/scripts/hpml/evaluator';
+<script lang="ts" setup>
+import { defineAsyncComponent } from 'vue';
+import * as Misskey from 'misskey-js';
+import { SectionBlock } from './block.type';
 
-export default defineComponent({
-	components: {
-		XBlock: defineAsyncComponent(() => import('./page.block.vue')),
-	},
-	props: {
-		block: {
-			type: Object as PropType<SectionBlock>,
-			required: true,
-		},
-		hpml: {
-			type: Object as PropType<Hpml>,
-			required: true,
-		},
-		h: {
-			required: true,
-		},
-	},
-});
+const XBlock = defineAsyncComponent(() => import('./page.block.vue'));
+
+defineProps<{
+	block: SectionBlock,
+	h: number,
+	page: Misskey.entities.Page,
+}>();
 </script>
 
 <style lang="scss" scoped>
diff --git a/packages/frontend/src/components/page/page.text.vue b/packages/frontend/src/components/page/page.text.vue
index e0e4959ef..c324d55a7 100644
--- a/packages/frontend/src/components/page/page.text.vue
+++ b/packages/frontend/src/components/page/page.text.vue
@@ -1,56 +1,26 @@
 <template>
 <div class="mrdgzndn">
-	<Mfm :key="text" :text="text" :is-note="false" :i="$i"/>
+	<Mfm :text="block.text" :is-note="false" :i="$i"/>
 	<MkUrlPreview v-for="url in urls" :key="url" :url="url" class="url"/>
 </div>
 </template>
 
-<script lang="ts">
-import { defineAsyncComponent, defineComponent, PropType } from 'vue';
+<script lang="ts" setup>
+import { defineAsyncComponent } from 'vue';
 import * as mfm from 'mfm-js';
-import { TextBlock } from '@/scripts/hpml/block';
-import { Hpml } from '@/scripts/hpml/evaluator';
+import * as Misskey from 'misskey-js';
+import { TextBlock } from './block.type';
 import { extractUrlFromMfm } from '@/scripts/extract-url-from-mfm';
 import { $i } from '@/account';
 
-export default defineComponent({
-	components: {
-		MkUrlPreview: defineAsyncComponent(() => import('@/components/MkUrlPreview.vue')),
-	},
-	props: {
-		block: {
-			type: Object as PropType<TextBlock>,
-			required: true,
-		},
-		hpml: {
-			type: Object as PropType<Hpml>,
-			required: true,
-		},
-	},
-	data() {
-		return {
-			text: this.hpml.interpolate(this.block.text),
-			$i,
-		};
-	},
-	computed: {
-		urls(): string[] {
-			if (this.text) {
-				return extractUrlFromMfm(mfm.parse(this.text));
-			} else {
-				return [];
-			}
-		},
-	},
-	watch: {
-		'hpml.vars': {
-			handler() {
-				this.text = this.hpml.interpolate(this.block.text);
-			},
-			deep: true,
-		},
-	},
-});
+const MkUrlPreview = defineAsyncComponent(() => import('@/components/MkUrlPreview.vue'));
+
+const props = defineProps<{
+	block: TextBlock,
+	page: Misskey.entities.Page,
+}>();
+
+const urls = props.block.text ? extractUrlFromMfm(mfm.parse(props.block.text)) : [];
 </script>
 
 <style lang="scss" scoped>
diff --git a/packages/frontend/src/components/page/page.vue b/packages/frontend/src/components/page/page.vue
index 5f1f62581..f9291c4d2 100644
--- a/packages/frontend/src/components/page/page.vue
+++ b/packages/frontend/src/components/page/page.vue
@@ -1,44 +1,17 @@
 <template>
-<div v-if="hpml" class="iroscrza" :class="{ center: page.alignCenter, serif: page.font === 'serif' }">
-	<XBlock v-for="child in page.content" :key="child.id" :block="child" :hpml="hpml" :h="2"/>
+<div class="iroscrza" :class="{ center: page.alignCenter, serif: page.font === 'serif' }">
+	<XBlock v-for="child in page.content" :key="child.id" :block="child" :h="2"/>
 </div>
 </template>
 
-<script lang="ts">
-import { defineComponent, onMounted, nextTick, PropType } from 'vue';
+<script lang="ts" setup>
+import { onMounted, nextTick } from 'vue';
+import * as Misskey from 'misskey-js';
 import XBlock from './page.block.vue';
-import { Hpml } from '@/scripts/hpml/evaluator';
-import { url } from '@/config';
-import { $i } from '@/account';
 
-export default defineComponent({
-	components: {
-		XBlock,
-	},
-	props: {
-		page: {
-			type: Object as PropType<Record<string, any>>,
-			required: true,
-		},
-	},
-	setup(props, ctx) {
-		const hpml = new Hpml(props.page, {
-			randomSeed: Math.random(),
-			visitor: $i,
-			url: url,
-		});
-
-		onMounted(() => {
-			nextTick(() => {
-				hpml.eval();
-			});
-		});
-
-		return {
-			hpml,
-		};
-	},
-});
+defineProps<{
+	page: Misskey.entities.Page,
+}>();
 </script>
 
 <style lang="scss" scoped>
diff --git a/packages/frontend/src/scripts/hpml/block.ts b/packages/frontend/src/scripts/hpml/block.ts
deleted file mode 100644
index 804c5c112..000000000
--- a/packages/frontend/src/scripts/hpml/block.ts
+++ /dev/null
@@ -1,109 +0,0 @@
-// blocks
-
-export type BlockBase = {
-	id: string;
-	type: string;
-};
-
-export type TextBlock = BlockBase & {
-	type: 'text';
-	text: string;
-};
-
-export type SectionBlock = BlockBase & {
-	type: 'section';
-	title: string;
-	children: (Block | VarBlock)[];
-};
-
-export type ImageBlock = BlockBase & {
-	type: 'image';
-	fileId: string | null;
-};
-
-export type ButtonBlock = BlockBase & {
-	type: 'button';
-	text: any;
-	primary: boolean;
-	action: string;
-	content: string;
-	event: string;
-	message: string;
-	var: string;
-	fn: string;
-};
-
-export type IfBlock = BlockBase & {
-	type: 'if';
-	var: string;
-	children: Block[];
-};
-
-export type TextareaBlock = BlockBase & {
-	type: 'textarea';
-	text: string;
-};
-
-export type PostBlock = BlockBase & {
-	type: 'post';
-	text: string;
-	attachCanvasImage: boolean;
-	canvasId: string;
-};
-
-export type CanvasBlock = BlockBase & {
-	type: 'canvas';
-	name: string; // canvas id
-	width: number;
-	height: number;
-};
-
-export type NoteBlock = BlockBase & {
-	type: 'note';
-	detailed: boolean;
-	note: string | null;
-};
-
-export type Block =
-	TextBlock | SectionBlock | ImageBlock | ButtonBlock | IfBlock | TextareaBlock | PostBlock | CanvasBlock | NoteBlock | VarBlock;
-
-// variable blocks
-
-export type VarBlockBase = BlockBase & {
-	name: string;
-};
-
-export type NumberInputVarBlock = VarBlockBase & {
-	type: 'numberInput';
-	text: string;
-};
-
-export type TextInputVarBlock = VarBlockBase & {
-	type: 'textInput';
-	text: string;
-};
-
-export type SwitchVarBlock = VarBlockBase & {
-	type: 'switch';
-	text: string;
-};
-
-export type RadioButtonVarBlock = VarBlockBase & {
-	type: 'radioButton';
-	title: string;
-	values: string[];
-};
-
-export type CounterVarBlock = VarBlockBase & {
-	type: 'counter';
-	text: string;
-	inc: number;
-};
-
-export type VarBlock =
-	NumberInputVarBlock | TextInputVarBlock | SwitchVarBlock | RadioButtonVarBlock | CounterVarBlock;
-
-const varBlock = ['numberInput', 'textInput', 'switch', 'radioButton', 'counter'];
-export function isVarBlock(block: Block): block is VarBlock {
-	return varBlock.includes(block.type);
-}
diff --git a/packages/frontend/src/scripts/hpml/evaluator.ts b/packages/frontend/src/scripts/hpml/evaluator.ts
deleted file mode 100644
index 9adfba7f2..000000000
--- a/packages/frontend/src/scripts/hpml/evaluator.ts
+++ /dev/null
@@ -1,171 +0,0 @@
-import { ref, Ref, unref } from 'vue';
-import { collectPageVars } from '../collect-page-vars';
-import { initHpmlLib } from './lib';
-import { Expr, isLiteralValue, Variable } from './expr';
-import { PageVar, envVarsDef, Fn, HpmlScope, HpmlError } from '.';
-import { version } from '@/config';
-
-/**
- * Hpml evaluator
- */
-export class Hpml {
-	private variables: Variable[];
-	private pageVars: PageVar[];
-	private envVars: Record<keyof typeof envVarsDef, any>;
-	public pageVarUpdatedCallback?: values.VFn;
-	public canvases: Record<string, HTMLCanvasElement> = {};
-	public vars: Ref<Record<string, any>> = ref({});
-	public page: Record<string, any>;
-
-	private opts: {
-		randomSeed: string; visitor?: any; url?: string;
-	};
-
-	constructor(page: Hpml['page'], opts: Hpml['opts']) {
-		this.page = page;
-		this.variables = this.page.variables;
-		this.pageVars = collectPageVars(this.page.content);
-		this.opts = opts;
-
-		const date = new Date();
-
-		this.envVars = {
-			AI: 'kawaii',
-			VERSION: version,
-			URL: this.page ? `${opts.url}/@${this.page.user.username}/pages/${this.page.name}` : '',
-			LOGIN: opts.visitor != null,
-			NAME: opts.visitor ? opts.visitor.name || opts.visitor.username : '',
-			USERNAME: opts.visitor ? opts.visitor.username : '',
-			USERID: opts.visitor ? opts.visitor.id : '',
-			NOTES_COUNT: opts.visitor ? opts.visitor.notesCount : 0,
-			FOLLOWERS_COUNT: opts.visitor ? opts.visitor.followersCount : 0,
-			FOLLOWING_COUNT: opts.visitor ? opts.visitor.followingCount : 0,
-			IS_CAT: opts.visitor ? opts.visitor.isCat : false,
-			SEED: opts.randomSeed ? opts.randomSeed : '',
-			YMD: `${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()}`,
-			AISCRIPT_DISABLED: true,
-			NULL: null,
-		};
-
-		this.eval();
-	}
-
-	public eval() {
-		try {
-			this.vars.value = this.evaluateVars();
-		} catch (err) {
-			//this.onError(e);
-		}
-	}
-
-	public interpolate(str: string) {
-		if (str == null) return null;
-		return str.replace(/{(.+?)}/g, match => {
-			const v = unref(this.vars)[match.slice(1, -1).trim()];
-			return v == null ? 'NULL' : v.toString();
-		});
-	}
-
-	public registerCanvas(id: string, canvas: any) {
-		this.canvases[id] = canvas;
-	}
-
-	public updatePageVar(name: string, value: any) {
-		const pageVar = this.pageVars.find(v => v.name === name);
-		if (pageVar !== undefined) {
-			pageVar.value = value;
-		} else {
-			throw new HpmlError(`No such page var '${name}'`);
-		}
-	}
-
-	public updateRandomSeed(seed: string) {
-		this.opts.randomSeed = seed;
-		this.envVars.SEED = seed;
-	}
-
-	private _interpolateScope(str: string, scope: HpmlScope) {
-		return str.replace(/{(.+?)}/g, match => {
-			const v = scope.getState(match.slice(1, -1).trim());
-			return v == null ? 'NULL' : v.toString();
-		});
-	}
-
-	public evaluateVars(): Record<string, any> {
-		const values: Record<string, any> = {};
-
-		for (const [k, v] of Object.entries(this.envVars)) {
-			values[k] = v;
-		}
-
-		for (const v of this.pageVars) {
-			values[v.name] = v.value;
-		}
-
-		for (const v of this.variables) {
-			values[v.name] = this.evaluate(v, new HpmlScope([values]));
-		}
-
-		return values;
-	}
-
-	private evaluate(expr: Expr, scope: HpmlScope): any {
-		if (isLiteralValue(expr)) {
-			if (expr.type === null) {
-				return null;
-			}
-
-			if (expr.type === 'number') {
-				return parseInt((expr.value as any), 10);
-			}
-
-			if (expr.type === 'text' || expr.type === 'multiLineText') {
-				return this._interpolateScope(expr.value || '', scope);
-			}
-
-			if (expr.type === 'textList') {
-				return this._interpolateScope(expr.value || '', scope).trim().split('\n');
-			}
-
-			if (expr.type === 'ref') {
-				return scope.getState(expr.value);
-			}
-
-			// Define user function
-			if (expr.type === 'fn') {
-				return {
-					slots: expr.value.slots.map(x => x.name),
-					exec: (slotArg: Record<string, any>) => {
-						return this.evaluate(expr.value.expression, scope.createChildScope(slotArg, expr.id));
-					},
-				} as Fn;
-			}
-			return;
-		}
-
-		// Call user function
-		if (expr.type.startsWith('fn:')) {
-			const fnName = expr.type.split(':')[1];
-			const fn = scope.getState(fnName);
-			const args = {} as Record<string, any>;
-			for (let i = 0; i < fn.slots.length; i++) {
-				const name = fn.slots[i];
-				args[name] = this.evaluate(expr.args[i], scope);
-			}
-			return fn.exec(args);
-		}
-
-		if (expr.args === undefined) return null;
-
-		const funcs = initHpmlLib(expr, scope, this.opts.randomSeed, this.opts.visitor);
-
-		// Call function
-		const fnName = expr.type;
-		const fn = (funcs as any)[fnName];
-		if (fn == null) {
-			throw new HpmlError(`No such function '${fnName}'`);
-		} else {
-			return fn(...expr.args.map(x => this.evaluate(x, scope)));
-		}
-	}
-}
diff --git a/packages/frontend/src/scripts/hpml/expr.ts b/packages/frontend/src/scripts/hpml/expr.ts
deleted file mode 100644
index 18c7c2a14..000000000
--- a/packages/frontend/src/scripts/hpml/expr.ts
+++ /dev/null
@@ -1,79 +0,0 @@
-import { literalDefs, Type } from '.';
-
-export type ExprBase = {
-	id: string;
-};
-
-// value
-
-export type EmptyValue = ExprBase & {
-	type: null;
-	value: null;
-};
-
-export type TextValue = ExprBase & {
-	type: 'text';
-	value: string;
-};
-
-export type MultiLineTextValue = ExprBase & {
-	type: 'multiLineText';
-	value: string;
-};
-
-export type TextListValue = ExprBase & {
-	type: 'textList';
-	value: string;
-};
-
-export type NumberValue = ExprBase & {
-	type: 'number';
-	value: number;
-};
-
-export type RefValue = ExprBase & {
-	type: 'ref';
-	value: string; // value is variable name
-};
-
-export type AiScriptRefValue = ExprBase & {
-	type: 'aiScriptVar';
-	value: string; // value is variable name
-};
-
-export type UserFnValue = ExprBase & {
-	type: 'fn';
-	value: UserFnInnerValue;
-};
-type UserFnInnerValue = {
-	slots: {
-		name: string;
-		type: Type;
-	}[];
-	expression: Expr;
-};
-
-export type Value =
-	EmptyValue | TextValue | MultiLineTextValue | TextListValue | NumberValue | RefValue | AiScriptRefValue | UserFnValue;
-
-export function isLiteralValue(expr: Expr): expr is Value {
-	if (expr.type == null) return true;
-	if (literalDefs[expr.type]) return true;
-	return false;
-}
-
-// call function
-
-export type CallFn = ExprBase & { // "fn:hoge" or string
-	type: string;
-	args: Expr[];
-	value: null;
-};
-
-// variable
-export type Variable = (Value | CallFn) & {
-	name: string;
-};
-
-// expression
-export type Expr = Variable | Value | CallFn;
diff --git a/packages/frontend/src/scripts/hpml/index.ts b/packages/frontend/src/scripts/hpml/index.ts
deleted file mode 100644
index 994f286b9..000000000
--- a/packages/frontend/src/scripts/hpml/index.ts
+++ /dev/null
@@ -1,100 +0,0 @@
-/**
- * Hpml
- */
-
-import { Hpml } from './evaluator';
-import { funcDefs } from './lib';
-
-export type Fn = {
-	slots: string[];
-	exec: (args: Record<string, any>) => ReturnType<Hpml['evaluate']>;
-};
-
-export type Type = 'string' | 'number' | 'boolean' | 'stringArray' | null;
-
-export const literalDefs: Record<string, { out: any; category: string; icon: any; }> = {
-	text: { out: 'string', category: 'value', icon: 'ti ti-quote' },
-	multiLineText: { out: 'string', category: 'value', icon: 'ti ti-align-left' },
-	textList: { out: 'stringArray', category: 'value', icon: 'ti ti-list' },
-	number: { out: 'number', category: 'value', icon: 'ti ti-list-numbers' },
-	ref: { out: null, category: 'value', icon: 'ti ti-wand' },
-	aiScriptVar: { out: null, category: 'value', icon: 'ti ti-wand' },
-	fn: { out: 'function', category: 'value', icon: 'ti ti-math-function' },
-};
-
-export const blockDefs = [
-	...Object.entries(literalDefs).map(([k, v]) => ({
-		type: k, out: v.out, category: v.category, icon: v.icon,
-	})),
-	...Object.entries(funcDefs).map(([k, v]) => ({
-		type: k, out: v.out, category: v.category, icon: v.icon,
-	})),
-];
-
-export type PageVar = { name: string; value: any; type: Type; };
-
-export const envVarsDef: Record<string, Type> = {
-	AI: 'string',
-	URL: 'string',
-	VERSION: 'string',
-	LOGIN: 'boolean',
-	NAME: 'string',
-	USERNAME: 'string',
-	USERID: 'string',
-	NOTES_COUNT: 'number',
-	FOLLOWERS_COUNT: 'number',
-	FOLLOWING_COUNT: 'number',
-	IS_CAT: 'boolean',
-	SEED: null,
-	YMD: 'string',
-	AISCRIPT_DISABLED: 'boolean',
-	NULL: null,
-};
-
-export class HpmlScope {
-	private layerdStates: Record<string, any>[];
-	public name: string;
-
-	constructor(layerdStates: HpmlScope['layerdStates'], name?: HpmlScope['name']) {
-		this.layerdStates = layerdStates;
-		this.name = name ?? 'anonymous';
-	}
-
-	public createChildScope(states: Record<string, any>, name?: HpmlScope['name']): HpmlScope {
-		const layer = [states, ...this.layerdStates];
-		return new HpmlScope(layer, name);
-	}
-
-	/**
-	 * 指定した名前の変数の値を取得します
-	 * @param name 変数名
-	 */
-	public getState(name: string): any {
-		for (const later of this.layerdStates) {
-			const state = later[name];
-			if (state !== undefined) {
-				return state;
-			}
-		}
-
-		throw new HpmlError(
-			`No such variable '${name}' in scope '${this.name}'`, {
-				scope: this.layerdStates,
-			});
-	}
-}
-
-export class HpmlError extends Error {
-	public info?: any;
-
-	constructor(message: string, info?: any) {
-		super(message);
-
-		this.info = info;
-
-		// Maintains proper stack trace for where our error was thrown (only available on V8)
-		if (Error.captureStackTrace) {
-			Error.captureStackTrace(this, HpmlError);
-		}
-	}
-}
diff --git a/packages/frontend/src/scripts/hpml/lib.ts b/packages/frontend/src/scripts/hpml/lib.ts
deleted file mode 100644
index 88db82dd2..000000000
--- a/packages/frontend/src/scripts/hpml/lib.ts
+++ /dev/null
@@ -1,245 +0,0 @@
-import seedrandom from 'seedrandom';
-import { Hpml } from './evaluator';
-import { Expr } from './expr';
-import { Fn, HpmlScope } from '.';
-
-/* TODO: https://www.chartjs.org/docs/latest/configuration/canvas-background.html#color
-// https://stackoverflow.com/questions/38493564/chart-area-background-color-chartjs
-Chart.pluginService.register({
-	beforeDraw: (chart, easing) => {
-		if (chart.config.options.chartArea && chart.config.options.chartArea.backgroundColor) {
-			const ctx = chart.chart.ctx;
-			ctx.save();
-			ctx.fillStyle = chart.config.options.chartArea.backgroundColor;
-			ctx.fillRect(0, 0, chart.chart.width, chart.chart.height);
-			ctx.restore();
-		}
-	}
-});
-*/
-
-export function initAiLib(hpml: Hpml) {
-	return {
-		'MkPages:updated': values.FN_NATIVE(([callback]) => {
-			hpml.pageVarUpdatedCallback = (callback as values.VFn);
-		}),
-		'MkPages:get_canvas': values.FN_NATIVE(([id]) => {
-			utils.assertString(id);
-			const canvas = hpml.canvases[id.value];
-			const ctx = canvas.getContext('2d');
-			return values.OBJ(new Map([
-				['clear_rect', values.FN_NATIVE(([x, y, width, height]) => { ctx.clearRect(x.value, y.value, width.value, height.value); })],
-				['fill_rect', values.FN_NATIVE(([x, y, width, height]) => { ctx.fillRect(x.value, y.value, width.value, height.value); })],
-				['stroke_rect', values.FN_NATIVE(([x, y, width, height]) => { ctx.strokeRect(x.value, y.value, width.value, height.value); })],
-				['fill_text', values.FN_NATIVE(([text, x, y, width]) => { ctx.fillText(text.value, x.value, y.value, width ? width.value : undefined); })],
-				['stroke_text', values.FN_NATIVE(([text, x, y, width]) => { ctx.strokeText(text.value, x.value, y.value, width ? width.value : undefined); })],
-				['set_line_width', values.FN_NATIVE(([width]) => { ctx.lineWidth = width.value; })],
-				['set_font', values.FN_NATIVE(([font]) => { ctx.font = font.value; })],
-				['set_fill_style', values.FN_NATIVE(([style]) => { ctx.fillStyle = style.value; })],
-				['set_stroke_style', values.FN_NATIVE(([style]) => { ctx.strokeStyle = style.value; })],
-				['begin_path', values.FN_NATIVE(() => { ctx.beginPath(); })],
-				['close_path', values.FN_NATIVE(() => { ctx.closePath(); })],
-				['move_to', values.FN_NATIVE(([x, y]) => { ctx.moveTo(x.value, y.value); })],
-				['line_to', values.FN_NATIVE(([x, y]) => { ctx.lineTo(x.value, y.value); })],
-				['arc', values.FN_NATIVE(([x, y, radius, startAngle, endAngle]) => { ctx.arc(x.value, y.value, radius.value, startAngle.value, endAngle.value); })],
-				['rect', values.FN_NATIVE(([x, y, width, height]) => { ctx.rect(x.value, y.value, width.value, height.value); })],
-				['fill', values.FN_NATIVE(() => { ctx.fill(); })],
-				['stroke', values.FN_NATIVE(() => { ctx.stroke(); })],
-			]));
-		}),
-		'MkPages:chart': values.FN_NATIVE(([id, opts]) => {
-			/* TODO
-			utils.assertString(id);
-			utils.assertObject(opts);
-			const canvas = hpml.canvases[id.value];
-			const color = getComputedStyle(document.documentElement).getPropertyValue('--accent');
-			Chart.defaults.color = '#555';
-			const chart = new Chart(canvas, {
-				type: opts.value.get('type').value,
-				data: {
-					labels: opts.value.get('labels').value.map(x => x.value),
-					datasets: opts.value.get('datasets').value.map(x => ({
-						label: x.value.has('label') ? x.value.get('label').value : '',
-						data: x.value.get('data').value.map(x => x.value),
-						pointRadius: 0,
-						lineTension: 0,
-						borderWidth: 2,
-						borderColor: x.value.has('color') ? x.value.get('color') : color,
-						backgroundColor: tinycolor(x.value.has('color') ? x.value.get('color') : color).setAlpha(0.1).toRgbString(),
-					}))
-				},
-				options: {
-					responsive: false,
-					devicePixelRatio: 1.5,
-					title: {
-						display: opts.value.has('title'),
-						text: opts.value.has('title') ? opts.value.get('title').value : '',
-						fontSize: 14,
-					},
-					layout: {
-						padding: {
-							left: 32,
-							right: 32,
-							top: opts.value.has('title') ? 16 : 32,
-							bottom: 16
-						}
-					},
-					legend: {
-						display: opts.value.get('datasets').value.filter(x => x.value.has('label') && x.value.get('label').value).length === 0 ? false : true,
-						position: 'bottom',
-						labels: {
-							boxWidth: 16,
-						}
-					},
-					tooltips: {
-						enabled: false,
-					},
-					chartArea: {
-						backgroundColor: '#fff'
-					},
-					...(opts.value.get('type').value === 'radar' ? {
-						scale: {
-							ticks: {
-								display: opts.value.has('show_tick_label') ? opts.value.get('show_tick_label').value : false,
-								min: opts.value.has('min') ? opts.value.get('min').value : undefined,
-								max: opts.value.has('max') ? opts.value.get('max').value : undefined,
-								maxTicksLimit: 8,
-							},
-							pointLabels: {
-								fontSize: 12
-							}
-						}
-					} : {
-						scales: {
-							yAxes: [{
-								ticks: {
-									display: opts.value.has('show_tick_label') ? opts.value.get('show_tick_label').value : true,
-									min: opts.value.has('min') ? opts.value.get('min').value : undefined,
-									max: opts.value.has('max') ? opts.value.get('max').value : undefined,
-								}
-							}]
-						}
-					})
-				}
-			});
-			*/
-		}),
-	};
-}
-
-export const funcDefs: Record<string, { in: any[]; out: any; category: string; icon: any; }> = {
-	if: { in: ['boolean', 0, 0], out: 0, category: 'flow', icon: 'ti ti-share' },
-	for: { in: ['number', 'function'], out: null, category: 'flow', icon: 'ti ti-recycle' },
-	not: { in: ['boolean'], out: 'boolean', category: 'logical', icon: 'ti ti-flag' },
-	or: { in: ['boolean', 'boolean'], out: 'boolean', category: 'logical', icon: 'ti ti-flag' },
-	and: { in: ['boolean', 'boolean'], out: 'boolean', category: 'logical', icon: 'ti ti-flag' },
-	add: { in: ['number', 'number'], out: 'number', category: 'operation', icon: 'ti ti-plus' },
-	subtract: { in: ['number', 'number'], out: 'number', category: 'operation', icon: 'ti ti-minus' },
-	multiply: { in: ['number', 'number'], out: 'number', category: 'operation', icon: 'ti ti-x' },
-	divide: { in: ['number', 'number'], out: 'number', category: 'operation', icon: 'ti ti-divide' },
-	mod: { in: ['number', 'number'], out: 'number', category: 'operation', icon: 'ti ti-divide' },
-	round: { in: ['number'], out: 'number', category: 'operation', icon: 'ti ti-calculator' },
-	eq: { in: [0, 0], out: 'boolean', category: 'comparison', icon: 'ti ti-equal' },
-	notEq: { in: [0, 0], out: 'boolean', category: 'comparison', icon: 'ti ti-equal-not' },
-	gt: { in: ['number', 'number'], out: 'boolean', category: 'comparison', icon: 'ti ti-math-greater' },
-	lt: { in: ['number', 'number'], out: 'boolean', category: 'comparison', icon: 'ti ti-math-lower' },
-	gtEq: { in: ['number', 'number'], out: 'boolean', category: 'comparison', icon: 'ti ti-math-equal-greater' },
-	ltEq: { in: ['number', 'number'], out: 'boolean', category: 'comparison', icon: 'ti ti-math-equal-lower' },
-	strLen: { in: ['string'], out: 'number', category: 'text', icon: 'ti ti-quote' },
-	strPick: { in: ['string', 'number'], out: 'string', category: 'text', icon: 'ti ti-quote' },
-	strReplace: { in: ['string', 'string', 'string'], out: 'string', category: 'text', icon: 'ti ti-quote' },
-	strReverse: { in: ['string'], out: 'string', category: 'text', icon: 'ti ti-quote' },
-	join: { in: ['stringArray', 'string'], out: 'string', category: 'text', icon: 'ti ti-quote' },
-	stringToNumber: { in: ['string'], out: 'number', category: 'convert', icon: 'ti ti-arrows-right-left' },
-	numberToString: { in: ['number'], out: 'string', category: 'convert', icon: 'ti ti-arrows-right-left' },
-	splitStrByLine: { in: ['string'], out: 'stringArray', category: 'convert', icon: 'ti ti-arrows-right-left' },
-	pick: { in: [null, 'number'], out: null, category: 'list', icon: 'ti ti-indent-increase' },
-	listLen: { in: [null], out: 'number', category: 'list', icon: 'ti ti-indent-increase' },
-	rannum: { in: ['number', 'number'], out: 'number', category: 'random', icon: 'ti ti-dice' },
-	dailyRannum: { in: ['number', 'number'], out: 'number', category: 'random', icon: 'ti ti-dice' },
-	seedRannum: { in: [null, 'number', 'number'], out: 'number', category: 'random', icon: 'ti ti-dice' },
-	random: { in: ['number'], out: 'boolean', category: 'random', icon: 'ti ti-dice' },
-	dailyRandom: { in: ['number'], out: 'boolean', category: 'random', icon: 'ti ti-dice' },
-	seedRandom: { in: [null, 'number'], out: 'boolean', category: 'random', icon: 'ti ti-dice' },
-	randomPick: { in: [0], out: 0, category: 'random', icon: 'ti ti-dice' },
-	dailyRandomPick: { in: [0], out: 0, category: 'random', icon: 'ti ti-dice' },
-	seedRandomPick: { in: [null, 0], out: 0, category: 'random', icon: 'ti ti-dice' },
-	DRPWPM: { in: ['stringArray'], out: 'string', category: 'random', icon: 'ti ti-dice' }, // dailyRandomPickWithProbabilityMapping
-};
-
-export function initHpmlLib(expr: Expr, scope: HpmlScope, randomSeed: string, visitor?: any) {
-	const date = new Date();
-	const day = `${visitor ? visitor.id : ''} ${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()}`;
-
-	// SHOULD be fine to ignore since it's intended + function shape isn't defined
-	// eslint-disable-next-line @typescript-eslint/ban-types
-	const funcs: Record<string, Function> = {
-		not: (a: boolean) => !a,
-		or: (a: boolean, b: boolean) => a || b,
-		and: (a: boolean, b: boolean) => a && b,
-		eq: (a: any, b: any) => a === b,
-		notEq: (a: any, b: any) => a !== b,
-		gt: (a: number, b: number) => a > b,
-		lt: (a: number, b: number) => a < b,
-		gtEq: (a: number, b: number) => a >= b,
-		ltEq: (a: number, b: number) => a <= b,
-		if: (bool: boolean, a: any, b: any) => bool ? a : b,
-		for: (times: number, fn: Fn) => {
-			const result: any[] = [];
-			for (let i = 0; i < times; i++) {
-				result.push(fn.exec({
-					[fn.slots[0]]: i + 1,
-				}));
-			}
-			return result;
-		},
-		add: (a: number, b: number) => a + b,
-		subtract: (a: number, b: number) => a - b,
-		multiply: (a: number, b: number) => a * b,
-		divide: (a: number, b: number) => a / b,
-		mod: (a: number, b: number) => a % b,
-		round: (a: number) => Math.round(a),
-		strLen: (a: string) => a.length,
-		strPick: (a: string, b: number) => a[b - 1],
-		strReplace: (a: string, b: string, c: string) => a.split(b).join(c),
-		strReverse: (a: string) => a.split('').reverse().join(''),
-		join: (texts: string[], separator: string) => texts.join(separator || ''),
-		stringToNumber: (a: string) => parseInt(a),
-		numberToString: (a: number) => a.toString(),
-		splitStrByLine: (a: string) => a.split('\n'),
-		pick: (list: any[], i: number) => list[i - 1],
-		listLen: (list: any[]) => list.length,
-		random: (probability: number) => Math.floor(seedrandom(`${randomSeed}:${expr.id}`)() * 100) < probability,
-		rannum: (min: number, max: number) => min + Math.floor(seedrandom(`${randomSeed}:${expr.id}`)() * (max - min + 1)),
-		randomPick: (list: any[]) => list[Math.floor(seedrandom(`${randomSeed}:${expr.id}`)() * list.length)],
-		dailyRandom: (probability: number) => Math.floor(seedrandom(`${day}:${expr.id}`)() * 100) < probability,
-		dailyRannum: (min: number, max: number) => min + Math.floor(seedrandom(`${day}:${expr.id}`)() * (max - min + 1)),
-		dailyRandomPick: (list: any[]) => list[Math.floor(seedrandom(`${day}:${expr.id}`)() * list.length)],
-		seedRandom: (seed: any, probability: number) => Math.floor(seedrandom(seed)() * 100) < probability,
-		seedRannum: (seed: any, min: number, max: number) => min + Math.floor(seedrandom(seed)() * (max - min + 1)),
-		seedRandomPick: (seed: any, list: any[]) => list[Math.floor(seedrandom(seed)() * list.length)],
-		DRPWPM: (list: string[]) => {
-			const xs: any[] = [];
-			let totalFactor = 0;
-			for (const x of list) {
-				const parts = x.split(' ');
-				const factor = parseInt(parts.pop()!, 10);
-				const text = parts.join(' ');
-				totalFactor += factor;
-				xs.push({ factor, text });
-			}
-			const r = seedrandom(`${day}:${expr.id}`)() * totalFactor;
-			let stackedFactor = 0;
-			for (const x of xs) {
-				if (r >= stackedFactor && r <= stackedFactor + x.factor) {
-					return x.text;
-				} else {
-					stackedFactor += x.factor;
-				}
-			}
-			return xs[0].text;
-		},
-	};
-
-	return funcs;
-}
diff --git a/packages/frontend/src/scripts/hpml/type-checker.ts b/packages/frontend/src/scripts/hpml/type-checker.ts
deleted file mode 100644
index ea8133f29..000000000
--- a/packages/frontend/src/scripts/hpml/type-checker.ts
+++ /dev/null
@@ -1,182 +0,0 @@
-import { isLiteralValue } from './expr';
-import { funcDefs } from './lib';
-import { envVarsDef } from '.';
-import type { Type, PageVar } from '.';
-import type { Expr, Variable } from './expr';
-
-type TypeError = {
-	arg: number;
-	expect: Type;
-	actual: Type;
-};
-
-/**
- * Hpml type checker
- */
-export class HpmlTypeChecker {
-	public variables: Variable[];
-	public pageVars: PageVar[];
-
-	constructor(variables: HpmlTypeChecker['variables'] = [], pageVars: HpmlTypeChecker['pageVars'] = []) {
-		this.variables = variables;
-		this.pageVars = pageVars;
-	}
-
-	public typeCheck(v: Expr): TypeError | null {
-		if (isLiteralValue(v)) return null;
-
-		const def = funcDefs[v.type || ''];
-		if (def == null) {
-			throw new Error('Unknown type: ' + v.type);
-		}
-
-		const generic: Type[] = [];
-
-		for (let i = 0; i < def.in.length; i++) {
-			const arg = def.in[i];
-			const type = this.infer(v.args[i]);
-			if (type === null) continue;
-
-			if (typeof arg === 'number') {
-				if (generic[arg] === undefined) {
-					generic[arg] = type;
-				} else if (type !== generic[arg]) {
-					return {
-						arg: i,
-						expect: generic[arg],
-						actual: type,
-					};
-				}
-			} else if (type !== arg) {
-				return {
-					arg: i,
-					expect: arg,
-					actual: type,
-				};
-			}
-		}
-
-		return null;
-	}
-
-	public getExpectedType(v: Expr, slot: number): Type {
-		const def = funcDefs[v.type ?? ''];
-		if (def == null) {
-			throw new Error('Unknown type: ' + v.type);
-		}
-
-		const generic: Type[] = [];
-
-		for (let i = 0; i < def.in.length; i++) {
-			const arg = def.in[i];
-			const type = this.infer(v.args[i]);
-			if (type === null) continue;
-
-			if (typeof arg === 'number') {
-				if (generic[arg] === undefined) {
-					generic[arg] = type;
-				}
-			}
-		}
-
-		if (typeof def.in[slot] === 'number') {
-			return generic[def.in[slot]] ?? null;
-		} else {
-			return def.in[slot];
-		}
-	}
-
-	public infer(v: Expr): Type {
-		if (v.type === null) return null;
-		if (v.type === 'text') return 'string';
-		if (v.type === 'multiLineText') return 'string';
-		if (v.type === 'textList') return 'stringArray';
-		if (v.type === 'number') return 'number';
-		if (v.type === 'ref') {
-			const variable = this.variables.find(va => va.name === v.value);
-			if (variable) {
-				return this.infer(variable);
-			}
-
-			const pageVar = this.pageVars.find(va => va.name === v.value);
-			if (pageVar) {
-				return pageVar.type;
-			}
-
-			const envVar = envVarsDef[v.value ?? ''];
-			if (envVar !== undefined) {
-				return envVar;
-			}
-
-			return null;
-		}
-		if (v.type === 'aiScriptVar') return null;
-		if (v.type === 'fn') return null; // todo
-		if (v.type.startsWith('fn:')) return null; // todo
-
-		const generic: Type[] = [];
-
-		const def = funcDefs[v.type];
-
-		for (let i = 0; i < def.in.length; i++) {
-			const arg = def.in[i];
-			if (typeof arg === 'number') {
-				const type = this.infer(v.args[i]);
-
-				if (generic[arg] === undefined) {
-					generic[arg] = type;
-				} else {
-					if (type !== generic[arg]) {
-						generic[arg] = null;
-					}
-				}
-			}
-		}
-
-		if (typeof def.out === 'number') {
-			return generic[def.out];
-		} else {
-			return def.out;
-		}
-	}
-
-	public getVarByName(name: string): Variable {
-		const v = this.variables.find(x => x.name === name);
-		if (v !== undefined) {
-			return v;
-		} else {
-			throw new Error(`No such variable '${name}'`);
-		}
-	}
-
-	public getVarsByType(type: Type): Variable[] {
-		if (type == null) return this.variables;
-		return this.variables.filter(x => (this.infer(x) === null) || (this.infer(x) === type));
-	}
-
-	public getEnvVarsByType(type: Type): string[] {
-		if (type == null) return Object.keys(envVarsDef);
-		return Object.entries(envVarsDef).filter(([k, v]) => v === null || type === v).map(([k, v]) => k);
-	}
-
-	public getPageVarsByType(type: Type): string[] {
-		if (type == null) return this.pageVars.map(v => v.name);
-		return this.pageVars.filter(v => type === v.type).map(v => v.name);
-	}
-
-	public isUsedName(name: string) {
-		if (this.variables.some(v => v.name === name)) {
-			return true;
-		}
-
-		if (this.pageVars.some(v => v.name === name)) {
-			return true;
-		}
-
-		if (envVarsDef[name]) {
-			return true;
-		}
-
-		return false;
-	}
-}