designpaca/apps/site/public/work/hannam-jari/scripts/landing.js
Yun Chan 6930906583
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release: v0.10.0
2026-08-29 21:19:26 +09:00

590 lines
25 KiB
JavaScript

(() => {
"use strict";
const homes = [
{
id: "home-1",
index: "01",
name: "정원형 연립주택",
trade: "sale",
tradeLabel: "매매",
priceEok: 38,
areaM2: 118.42,
areaPyeong: 35.8,
parking: 2,
moveDate: "2026-12-20",
moveLabel: "2026.12.20 이후 협의",
life: "한강진역 북쪽 생활권",
fee: "월 48만 원",
included: "공용 관리, 청소, 승강기",
excluded: "전기, 가스, 수도",
rooms: "방 3 · 욕실 2",
image: "./assets/hannam-interior-1200.webp",
imageAlt: "큰 창과 목재 수납이 있는 거실을 표현한 이미지"
},
{
id: "home-2",
index: "02",
name: "복층형 공동주택",
trade: "jeonse",
tradeLabel: "전세",
priceEok: 22,
areaM2: 142.8,
areaPyeong: 43.2,
parking: 2,
moveDate: "2027-01-15",
moveLabel: "2027.01.15 이후 협의",
life: "독서당길 남쪽 생활권",
fee: "월 56만 원",
included: "공용 관리, 보안, 승강기",
excluded: "전기, 가스, 수도, 냉난방",
rooms: "방 4 · 욕실 2",
image: "./assets/hannam-evening-1600.webp",
imageAlt: "서울 언덕 생활권의 현대 주거 외관을 표현한 이미지"
},
{
id: "home-3",
index: "03",
name: "테라스형 다세대주택",
trade: "monthly",
tradeLabel: "월세",
priceEok: 5,
monthlyManwon: 1200,
areaM2: 140.84,
areaPyeong: 42.6,
parking: 1,
moveDate: "2026-11-01",
moveLabel: "2026.11.01 이후 협의",
life: "이태원로 동쪽 생활권",
fee: "월 52만 원",
included: "공용 관리, 청소",
excluded: "전기, 가스, 수도, 승강기 점검",
rooms: "방 3 · 욕실 2",
image: "./assets/hannam-interior-1200.webp",
imageAlt: "큰 창과 목재 수납이 있는 거실을 표현한 이미지"
}
];
const STORAGE_KEY = "hannam-jari-conditions-v2";
const $ = (selector, root = document) => root.querySelector(selector);
const $$ = (selector, root = document) => Array.from(root.querySelectorAll(selector));
const state = {
selectedId: "home-1",
areaUnit: "m2",
priceUnit: "total",
analyzed: false,
conditions: null,
toastTimer: null,
consultationComplete: false
};
const form = $("[data-condition-form]");
const dialog = $("[data-consult-dialog]");
const formatNumber = (value, digits = 0) => new Intl.NumberFormat("ko-KR", {
minimumFractionDigits: digits,
maximumFractionDigits: digits
}).format(value);
const getHome = (id = state.selectedId) => homes.find((home) => home.id === id) || homes[0];
const formatArea = (home) => state.areaUnit === "m2"
? `${formatNumber(home.areaM2, 2)}㎡`
: `${formatNumber(home.areaPyeong, 1)}평`;
const unitPriceText = (home) => {
const perPyeong = Math.round(((home.priceEok * 10000) / home.areaPyeong) / 10) * 10;
if (home.trade === "monthly") return `보증금 평당 약 ${formatNumber(perPyeong)}만 · 월 ${formatNumber(home.monthlyManwon)}만`;
return `평당 약 ${formatNumber(perPyeong)}만 원`;
};
const totalPriceText = (home) => home.trade === "monthly"
? `보증금 ${formatNumber(home.priceEok)}억 · 월 ${formatNumber(home.monthlyManwon)}만`
: `${formatNumber(home.priceEok)}억 원`;
const formatPrice = (home) => state.priceUnit === "total" ? totalPriceText(home) : unitPriceText(home);
const readConditions = () => {
const data = new FormData(form);
return {
trade: String(data.get("trade") || "sale"),
budget: Number(data.get("budget") || 0),
minArea: Number(data.get("minArea") || 0),
moveIn: String(data.get("moveIn") || ""),
parking: Number(data.get("parking") || 0)
};
};
const announce = (message) => {
const region = $("[data-live-region]");
if (!region) return;
region.textContent = message;
region.hidden = false;
window.clearTimeout(state.toastTimer);
state.toastTimer = window.setTimeout(() => {
region.hidden = true;
region.textContent = "";
}, 3200);
};
const claim = (title, text, source) => ({ title, text, source });
const evaluateHome = (home, conditions) => {
const fit = [];
const adjust = [];
const check = [];
if (home.trade === conditions.trade) {
fit.push(claim("거래 형태", `${home.tradeLabel} 조건과 같습니다.`, "입력한 조건 · 매물 정보"));
} else {
adjust.push(claim("거래 형태", `입력은 ${tradeLabel(conditions.trade)}, 선택한 집은 ${home.tradeLabel}입니다.`, "입력한 조건 · 매물 정보"));
}
if (home.trade === "monthly") {
if (home.priceEok > conditions.budget) {
adjust.push(claim("보증금 상한", `보증금이 입력한 상한보다 ${formatNumber(home.priceEok - conditions.budget)}억 원 높습니다.`, "입력한 조건 · 매물 정보"));
} else {
adjust.push(claim("월 납부 조건", `보증금은 상한 안쪽이지만 월 ${formatNumber(home.monthlyManwon)}만 원을 별도로 살펴야 합니다.`, "입력한 조건 · 매물 정보"));
}
} else if (home.priceEok <= conditions.budget) {
fit.push(claim("가격 상한", `입력한 상한보다 ${formatNumber(conditions.budget - home.priceEok)}억 원 낮습니다.`, "입력한 조건 · 매물 정보"));
} else {
adjust.push(claim("가격 상한", `입력한 상한보다 ${formatNumber(home.priceEok - conditions.budget)}억 원 높습니다.`, "입력한 조건 · 매물 정보"));
}
if (home.areaM2 >= conditions.minArea) {
fit.push(claim("전용면적", `최소 면적보다 ${formatNumber(home.areaM2 - conditions.minArea, 2)}㎡ 넓습니다.`, "입력한 조건 · 매물 정보"));
} else {
adjust.push(claim("전용면적", `최소 면적보다 ${formatNumber(conditions.minArea - home.areaM2, 2)}㎡ 작습니다.`, "입력한 조건 · 매물 정보"));
}
if (home.parking >= conditions.parking) {
fit.push(claim("주차", `${home.parking}대로 필요한 수를 충족합니다.`, "입력한 조건 · 매물 정보"));
} else {
adjust.push(claim("주차", `필요한 수보다 ${conditions.parking - home.parking}대 부족합니다.`, "입력한 조건 · 매물 정보"));
}
if (!conditions.moveIn) {
adjust.push(claim("입주 희망일", "날짜를 정하면 입주 가능 시점과 대조할 수 있습니다.", "입력한 조건"));
} else if (home.moveDate <= conditions.moveIn) {
fit.push(claim("입주 시점", `${home.moveLabel}으로 희망일 전후 협의가 가능합니다.`, "입력한 조건 · 매물 정보"));
} else {
adjust.push(claim("입주 시점", `${home.moveLabel}으로 입력한 희망일보다 늦습니다.`, "입력한 조건 · 매물 정보"));
}
check.push(claim("권리 관계", "등기와 계약 조건은 서류를 통해 다시 살펴야 합니다.", "공인중개사 확인"));
check.push(claim("현장 상태", "소음, 마감과 채광은 방문해서 확인해야 합니다.", "현장 확인"));
return { fit, adjust, check };
};
const tradeLabel = (trade) => ({ sale: "매매", jeonse: "전세", monthly: "월세" })[trade] || "미선택";
const scoreHome = (home, conditions) => {
let score = home.trade === conditions.trade ? 4 : 0;
if (home.trade === "monthly") score += home.priceEok <= conditions.budget ? 0.5 : 0;
else score += home.priceEok <= conditions.budget ? 1 : 0;
score += home.areaM2 >= conditions.minArea ? 1 : 0;
score += home.parking >= conditions.parking ? 1 : 0;
score += conditions.moveIn && home.moveDate <= conditions.moveIn ? 1 : 0;
return score;
};
const createClaimItem = ({ title, text, source }) => {
const item = document.createElement("li");
const strong = document.createElement("strong");
const span = document.createElement("span");
const small = document.createElement("small");
strong.textContent = title;
span.textContent = text;
small.textContent = source;
item.append(strong, span, small);
return item;
};
const fillClaimList = (selector, items, emptyText) => {
const list = $(selector);
if (!list) return;
const nextItems = items.length ? items : [claim(emptyText, "현재 입력에서 바로 조정할 항목이 없습니다.", "입력한 조건 · 매물 정보")];
list.replaceChildren(...nextItems.map(createClaimItem));
};
const renderBriefing = (home, conditions) => {
const result = evaluateHome(home, conditions);
$("[data-analysis-empty]").hidden = true;
$("[data-analysis-groups]").hidden = false;
$("[data-analysis-home]").textContent = `${home.name} 브리핑`;
fillClaimList("[data-fit-list]", result.fit, "바로 맞는 조건 없음");
fillClaimList("[data-adjust-list]", result.adjust, "바로 조정할 조건 없음");
fillClaimList("[data-check-list]", result.check, "추가 확인 항목 없음");
return result;
};
const resetBriefing = () => {
state.analyzed = false;
state.conditions = null;
$("[data-analysis-empty]").hidden = false;
$("[data-analysis-groups]").hidden = true;
$("[data-analysis-home]").textContent = "아직 분석하지 않았습니다";
};
const setMatrixNote = (selector, text, tone = "") => {
const node = $(selector);
if (!node) return;
node.textContent = text;
node.className = ["matrix-note", tone].filter(Boolean).join(" ");
};
const renderMatrix = (home, conditions = readConditions()) => {
$("[data-matrix-trade]").textContent = home.tradeLabel;
$("[data-matrix-price]").textContent = formatPrice(home);
$("[data-matrix-area]").textContent = formatArea(home);
$("[data-matrix-parking]").textContent = `${home.parking}대`;
$("[data-matrix-move]").textContent = home.moveLabel;
if (!state.analyzed) {
setMatrixNote("[data-matrix-trade-note]", "분석 후 거래 조건 대조");
setMatrixNote("[data-matrix-price-note]", "분석 후 예산과 대조");
setMatrixNote("[data-matrix-area-note]", "분석 후 면적과 대조");
setMatrixNote("[data-matrix-parking-note]", "분석 후 주차와 대조");
setMatrixNote("[data-matrix-move-note]", "분석 후 입주일과 대조");
return;
}
setMatrixNote("[data-matrix-trade-note]", home.trade === conditions.trade ? "입력과 같음" : `${tradeLabel(conditions.trade)}에서 조정 필요`, home.trade === conditions.trade ? "" : "is-adjust");
if (home.trade === "monthly") {
const depositNote = home.priceEok <= conditions.budget ? "보증금은 상한 안쪽 · 월 납부 별도" : `보증금이 상한보다 ${formatNumber(home.priceEok - conditions.budget)}억 높음`;
setMatrixNote("[data-matrix-price-note]", depositNote, "is-check");
} else {
const pricePass = home.priceEok <= conditions.budget;
setMatrixNote("[data-matrix-price-note]", pricePass ? `예산 ${formatNumber(conditions.budget)}억 안쪽` : `예산보다 ${formatNumber(home.priceEok - conditions.budget)}억 높음`, pricePass ? "" : "is-adjust");
}
const areaPass = home.areaM2 >= conditions.minArea;
setMatrixNote("[data-matrix-area-note]", areaPass ? `최소 ${formatNumber(conditions.minArea)}㎡ 충족` : `최소보다 ${formatNumber(conditions.minArea - home.areaM2, 2)}㎡ 작음`, areaPass ? "" : "is-adjust");
const parkingPass = home.parking >= conditions.parking;
setMatrixNote("[data-matrix-parking-note]", parkingPass ? `필요 ${conditions.parking}대 충족` : `${conditions.parking - home.parking}대 부족`, parkingPass ? "" : "is-adjust");
if (!conditions.moveIn) {
setMatrixNote("[data-matrix-move-note]", "희망일 입력 필요", "is-check");
} else {
const movePass = home.moveDate <= conditions.moveIn;
setMatrixNote("[data-matrix-move-note]", movePass ? "희망일 전후 협의 가능" : "희망일보다 늦음", movePass ? "" : "is-adjust");
}
};
const renderCandidateRail = () => {
$$('[data-select-listing]').forEach((button) => {
const home = getHome(button.dataset.selectListing);
const active = home.id === state.selectedId;
button.setAttribute("aria-pressed", String(active));
button.closest(".candidate-option")?.classList.toggle("is-selected", active);
const content = button.nextElementSibling;
const small = content?.querySelector("small");
if (small) small.textContent = `${home.tradeLabel} · ${formatArea(home)}`;
});
};
const renderCompareScene = (home) => {
const image = $("[data-compare-image]");
if (image) {
image.hidden = false;
image.src = home.image;
image.alt = home.imageAlt;
image.parentElement?.classList.remove("is-image-error");
$("[data-image-fallback]", image.parentElement).hidden = true;
}
$("[data-compare-index]").textContent = home.index;
$("[data-compare-name]").textContent = home.name;
$("[data-compare-life]").textContent = home.life;
};
const setSimpleList = (selector, items) => {
const list = $(selector);
if (!list) return;
list.replaceChildren(...items.map((text) => {
const item = document.createElement("li");
item.textContent = text;
return item;
}));
};
const renderSpecs = (home) => {
const root = $("[data-spec-strip]");
if (!root) return;
const pairs = [
["거래", home.tradeLabel],
["가격", formatPrice(home)],
["전용", formatArea(home)],
["주차", `${home.parking}대`],
["입주", home.moveLabel]
];
root.replaceChildren(...pairs.map(([label, value]) => {
const wrapper = document.createElement("div");
const term = document.createElement("dt");
const description = document.createElement("dd");
term.textContent = label;
description.textContent = value;
wrapper.append(term, description);
return wrapper;
}));
};
const renderDossier = (home, conditions = readConditions()) => {
$("[data-dossier-title]").textContent = home.name;
$("[data-dossier-life]").textContent = home.life;
const consultHome = $("[data-consult-home]");
if (consultHome) consultHome.textContent = home.name;
$("[data-location-heading]").textContent = `${home.life}을 직접 살핍니다.`;
$("[data-page-budget]").textContent = `${formatNumber(conditions.budget)}억 원`;
$("[data-page-price]").textContent = totalPriceText(home);
$("[data-page-fee]").textContent = home.fee;
$("[data-page-included]").textContent = home.included;
$("[data-page-excluded]").textContent = home.excluded;
$("[data-page-rooms]").textContent = home.rooms;
renderSpecs(home);
if (!state.analyzed) {
setSimpleList("[data-dossier-fit]", ["브리핑을 실행하면 입력 조건과의 관계를 표시합니다."]);
setSimpleList("[data-dossier-risk]", ["등기와 권리 관계를 확인해야 합니다.", "소음과 마감 상태는 현장에서 살펴야 합니다.", "입주 가능일은 중개사와 다시 맞춰야 합니다."]);
return;
}
const result = evaluateHome(home, conditions);
const fits = result.fit.length ? result.fit.map((item) => item.text) : ["현재 입력과 바로 맞는 항목은 없습니다."];
const risks = [...result.adjust, ...result.check].map((item) => item.text).slice(0, 4);
setSimpleList("[data-dossier-fit]", fits);
setSimpleList("[data-dossier-risk]", risks);
};
const renderSelection = () => {
const home = getHome();
const conditions = state.conditions || readConditions();
renderCandidateRail();
renderCompareScene(home);
renderMatrix(home, conditions);
renderDossier(home, conditions);
if (state.analyzed) renderBriefing(home, conditions);
};
const selectListing = (id, announceChange = true) => {
const home = getHome(id);
state.selectedId = home.id;
renderSelection();
if (announceChange) announce(`${home.name}을 선택했습니다. 비교표와 서류철을 바꿨습니다.`);
};
const runAnalysis = () => {
if (!form.reportValidity()) return;
const conditions = readConditions();
state.conditions = conditions;
state.analyzed = true;
const best = homes.reduce((current, home) => scoreHome(home, conditions) > scoreHome(current, conditions) ? home : current, homes[0]);
state.selectedId = best.id;
renderSelection();
$("#briefing")?.scrollIntoView({ behavior: window.matchMedia("(prefers-reduced-motion: reduce)").matches ? "auto" : "smooth" });
announce(`${best.name}을 가장 가까운 후보로 골라 세 묶음의 브리핑을 만들었습니다.`);
};
const markConditionsChanged = () => {
if (!state.analyzed) return;
resetBriefing();
renderSelection();
announce("조건이 바뀌어 이전 브리핑을 비웠습니다. 다시 분석해 주세요.");
};
const saveConditions = () => {
if (!form.reportValidity()) return;
try {
window.localStorage.setItem(STORAGE_KEY, JSON.stringify(readConditions()));
announce("현재 조건을 이 브라우저에 저장했습니다.");
} catch {
announce("브라우저 저장소를 사용할 수 없어 조건을 저장하지 않았습니다.");
}
};
const restoreConditions = () => {
try {
const saved = JSON.parse(window.localStorage.getItem(STORAGE_KEY) || "null");
if (!saved || typeof saved !== "object") return;
if (["sale", "jeonse", "monthly"].includes(saved.trade)) form.elements.trade.value = saved.trade;
if (Number.isFinite(saved.budget)) form.elements.budget.value = String(saved.budget);
if (Number.isFinite(saved.minArea)) form.elements.minArea.value = String(saved.minArea);
if (typeof saved.moveIn === "string") form.elements.moveIn.value = saved.moveIn;
if (Number.isFinite(saved.parking)) form.elements.parking.value = String(saved.parking);
} catch {
window.localStorage.removeItem(STORAGE_KEY);
}
};
const focusConditions = () => {
form.scrollIntoView({ behavior: window.matchMedia("(prefers-reduced-motion: reduce)").matches ? "auto" : "smooth", block: "center" });
window.setTimeout(() => form.elements.trade?.focus(), 180);
};
const activateDossierTab = (name, focus = false) => {
$$('[data-dossier-tab]').forEach((tab) => {
const active = tab.dataset.dossierTab === name;
tab.setAttribute("aria-selected", String(active));
tab.tabIndex = active ? 0 : -1;
if (active && focus) tab.focus();
});
$$('[data-dossier-panel]').forEach((panel) => {
panel.hidden = panel.dataset.dossierPanel !== name;
});
};
const initDossierTabs = () => {
const tabs = $$('[data-dossier-tab]');
tabs.forEach((tab, index) => {
tab.addEventListener("click", () => activateDossierTab(tab.dataset.dossierTab));
tab.addEventListener("keydown", (event) => {
let target = null;
if (event.key === "ArrowRight" || event.key === "ArrowDown") target = (index + 1) % tabs.length;
if (event.key === "ArrowLeft" || event.key === "ArrowUp") target = (index - 1 + tabs.length) % tabs.length;
if (event.key === "Home") target = 0;
if (event.key === "End") target = tabs.length - 1;
if (target !== null) {
event.preventDefault();
activateDossierTab(tabs[target].dataset.dossierTab, true);
}
});
});
};
const resetConsultation = () => {
state.consultationComplete = false;
const content = $("[data-consult-content]", dialog);
content.replaceChildren();
const copy = document.createElement("p");
const strong = document.createElement("strong");
strong.dataset.consultHome = "";
strong.textContent = getHome().name;
copy.append(strong, "을 기준으로 준비할 항목을 골라 보세요.");
content.append(copy);
[["rights", "권리 관계와 계약 조건", true], ["visit", "현장 방문 때 볼 항목", true], ["move", "입주 가능일 조율", false]].forEach(([value, label, checked]) => {
const wrapper = document.createElement("label");
const input = document.createElement("input");
input.type = "checkbox";
input.name = "agenda";
input.value = value;
input.checked = checked;
wrapper.append(input, ` ${label}`);
content.append(wrapper);
});
$("[data-finish-consult]", dialog).textContent = "다음 순서 보기";
};
const openConsultation = () => {
resetConsultation();
dialog.showModal();
document.body.classList.add("is-locked");
};
const closeConsultation = () => {
if (dialog.open) dialog.close();
};
const finishConsultation = () => {
if (state.consultationComplete) {
resetConsultation();
return;
}
state.consultationComplete = true;
const content = $("[data-consult-content]", dialog);
const selected = $$('input[name="agenda"]:checked', content).map((input) => input.closest("label")?.textContent.trim()).filter(Boolean);
content.replaceChildren();
const heading = document.createElement("p");
const strong = document.createElement("strong");
strong.textContent = "준비할 순서";
heading.append(strong);
const list = document.createElement("ol");
const items = selected.length ? selected : ["집의 기본 조건 다시 보기"];
items.forEach((text) => {
const item = document.createElement("li");
item.textContent = text;
list.append(item);
});
content.append(heading, list);
$("[data-finish-consult]", dialog).textContent = "처음부터 보기";
};
const initImageFallback = () => {
$$('[data-fallback-image]').forEach((image) => {
const handleError = () => {
image.hidden = true;
const frame = image.closest("[data-image-frame]");
frame?.classList.add("is-image-error");
const fallback = $("[data-image-fallback]", frame);
if (fallback) fallback.hidden = false;
};
image.addEventListener("error", handleError);
if (image.complete && image.naturalWidth === 0) handleError();
});
};
const initMenu = () => {
const button = $("[data-menu-button]");
const nav = $("[data-site-nav]");
const close = () => {
nav.classList.remove("is-open");
button.setAttribute("aria-expanded", "false");
};
button?.addEventListener("click", () => {
const open = nav.classList.toggle("is-open");
button.setAttribute("aria-expanded", String(open));
});
$$("a", nav).forEach((link) => link.addEventListener("click", close));
document.addEventListener("keydown", (event) => {
if (event.key === "Escape") close();
});
};
const init = () => {
restoreConditions();
initMenu();
initDossierTabs();
initImageFallback();
resetBriefing();
renderSelection();
form.addEventListener("submit", (event) => {
event.preventDefault();
runAnalysis();
});
form.addEventListener("input", markConditionsChanged);
form.addEventListener("change", markConditionsChanged);
$$('[data-save-condition]').forEach((button) => button.addEventListener("click", saveConditions));
$$('[data-focus-condition]').forEach((button) => button.addEventListener("click", focusConditions));
$$('[data-select-listing]').forEach((button) => button.addEventListener("click", () => selectListing(button.dataset.selectListing)));
$$('[data-area-unit]').forEach((button) => button.addEventListener("click", () => {
state.areaUnit = button.dataset.areaUnit;
$$('[data-area-unit]').forEach((item) => item.setAttribute("aria-pressed", String(item === button)));
renderSelection();
announce(`면적을 ${state.areaUnit === "m2" ? "제곱미터" : "평"}으로 표시합니다.`);
}));
$$('[data-price-unit]').forEach((button) => button.addEventListener("click", () => {
state.priceUnit = button.dataset.priceUnit;
$$('[data-price-unit]').forEach((item) => item.setAttribute("aria-pressed", String(item === button)));
renderSelection();
announce(`가격을 ${state.priceUnit === "total" ? "총액" : "면적 단가"}으로 표시합니다.`);
}));
$$('[data-open-consult]').forEach((button) => button.addEventListener("click", openConsultation));
$("[data-close-consult]")?.addEventListener("click", closeConsultation);
$("[data-finish-consult]")?.addEventListener("click", finishConsultation);
dialog?.addEventListener("click", (event) => {
if (event.target === dialog) closeConsultation();
});
dialog?.addEventListener("close", () => {
document.body.classList.remove("is-locked");
resetConsultation();
});
dialog?.addEventListener("cancel", () => document.body.classList.remove("is-locked"));
};
if (document.readyState === "loading") document.addEventListener("DOMContentLoaded", init, { once: true });
else init();
})();