Subchapter 44.113

Wix Build

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Wix Build

function buildCategory

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Type: JavaScript
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lib/wix-build.js

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1'use strict';
2
3// rp-target-wix — the DETERMINISTIC canonical -> Wix payload builder.
4//
5// Replaces the per-project, LLM-authored `src/import/transforms/to-wix.js`. Everything in here is
6// vendor-independent: it consumes a CANONICAL record (see wix-target-spec.js CANONICAL_FIELDS) and
7// emits a Wix Stores V3 create body. Nothing about Shopify, Woo, Magento or BigCommerce appears —
8// that asymmetry is exactly why this layer never needed to be regenerated per run.
9//
10// Scalar placement is driven by the spec (payloadPath / wrap / coerce). The four structural
11// builders — variants, options, media, seoData — are spec-*declared* (`via`) but hand-implemented,
12// because a fully declarative encoding of "variants reference option choices BY NAME" would be a
13// worse artifact than the twenty lines it replaces. The spec still owns WHICH canonical fields

wix-build.js on GitHub

// route through them, so coverage reporting stays complete.

const { STORES_V3_TARGET, CATEGORY_TARGET, CANONICAL_FIELDS } = require('./wix-target-spec.js');

// --- coercion --------------------------------------------------------------

// Money must be an OBJECT ({ amount: '20.00' }); a bare number 400s. Decimal STRINGS avoid float

// drift on amounts that came out of a CSV as text in the first place.

function money(amount) {

const n = Number(amount);

if (!Number.isFinite(n)) throw new Error(`money: "${amount}" is not a finite number`);

return { amount: n.toFixed(2) };

}

// Wix rejects a slug containing ^!“”$%&'*+,.:;<>=?@\/()[]{}_|` ~#. Vendors mint illegal ones

// routinely — Shopify turns a decimal size into an underscore (ph-5_5), which 400s the whole

// bulk batch, so this runs on EVERY slug rather than being a vendor quirk.

function toWixSlug(raw) {

const slug = String(raw == null ? '' : raw)

.toLowerCase()

.replace(/[^a-z0-9-]+/g, '-')

.replace(/-{2,}/g, '-')

.replace(/^-+|-+$/g, '');

if (!slug) throw new Error(`toWixSlug: "${raw}" sanitizes to an empty slug`);

return slug;

}

function coerceBoolean(value, fallback) {

if (value === true || value === false) return value;

if (value == null || value === '') return fallback;

const s = String(value).trim().toLowerCase();

if (['true', '1', 'yes', 'y', 'active', 'published', 'enabled', 'visible'].includes(s)) return true;

if (['false', '0', 'no', 'n', 'draft', 'archived', 'disabled', 'hidden'].includes(s)) return false;

return fallback;

}

const COERCE = { slug: toWixSlug, money, boolean: coerceBoolean };

function isBlank(value) {

return value == null || value === '' || (Array.isArray(value) && value.length === 0);

}

// --- structural builders ---------------------------------------------------

// Option definitions are derived from the variants' own choices, so a value that never occurs

// cannot produce a phantom choice. Order is first-seen, which preserves the source's ordering.

function buildOptions(product) {

const names = product.optionNames || [];

return names.map((name) => {

const seen = new Map();

for (const variant of product.variants || []) {

for (const choice of variant.choices || []) {

if (choice.optionName === name && !seen.has(choice.choiceName)) {

seen.set(choice.choiceName, { choiceType: 'CHOICE_TEXT', name: choice.choiceName });

}

return { name, optionRenderType: 'TEXT_CHOICES', choicesSettings: { choices: [...seen.values()] } };

});

}

// A variant references its option choices BY NAME; the API returns server-assigned choice ids.

// An empty `choices: []` is the correct encoding of "this product has no real options" — it must

// produce a single default variant, never a synthetic one-choice option.

function buildVariants(product, { inStock = true } = {}) {

return (product.variants || []).map((variant) => {

const out = {

visible: coerceBoolean(variant.visible, true),

choices: (variant.choices || []).map((choice) => ({

optionChoiceNames: {

optionName: choice.optionName,

choiceName: choice.choiceName,

renderType: 'TEXT_CHOICES',

},

})),

price: buildVariantPrice(variant),

inventoryItem: { inStock },

};

if (!isBlank(variant.sku)) out.sku = String(variant.sku);

// Weight is expected already converted to the site's unit by the adapter; the canonical field

// carries a number, not a unit-bearing string.

if (!isBlank(variant.weight)) out.physicalProperties = { weight: Number(variant.weight) };

return out;

});

}

// Implements STORES_V3_TARGET.priceResolution.

//

// Two vendor idioms converge here. Shopify ships (price, compareAtPrice); Woo / Magento /

// BigCommerce ship (regular price, sale price) — which the overlays map to

// (variant.price, variant.discountedPrice). Wix models `actualPrice` (charged) plus

// `compareAtPrice` (strike-through), so a sale price has to be PROMOTED to actualPrice and the

// regular price demoted to the strike-through. Getting this backwards silently overcharges every

// discounted product, which is why the rule lives in the spec instead of being re-decided per run.

//

// TRAP (verified): Wix rejects compareAtPrice <= actualPrice. Vendors write 0.00 — and Woo writes

// an empty cell — to mean "no discount", so a not-strictly-greater compare-at is DROPPED.

function buildVariantPrice(variant) {

const listPrice = Number(variant.price);

const discounted = variant.discountedPrice;

let actual = listPrice;

let compare = variant.compareAtPrice;

if (!isBlank(discounted) && Number(discounted) > 0 && Number(discounted) < listPrice) {

actual = Number(discounted);

compare = listPrice;

}

const out = { actualPrice: money(actual) };

if (!isBlank(compare) && Number(compare) > actual) out.compareAtPrice = money(compare);

return out;

}

// External URLs on media.itemsInfo.items[] are the preferred path: Wix ingests them server-side in

// the background, avoiding the throttled Media Manager pre-import. The FIRST item becomes the

// product's main media, so caller-side ordering matters.

// TRAP: reading these back needs `?fields=MEDIA_ITEMS_INFO`; a plain GET returns only media.main

// and looks empty even on a successful ingest.

function buildMedia(product) {

const items = (product.images || [])

.filter((image) => image && image.fetchable !== false && !isBlank(image.url))

.map((image) => ({ url: image.url, ...(isBlank(image.altText) ? {} : { altText: image.altText }) }));

return items.length ? { itemsInfo: { items } } : null;

}

// Emit a title tag only when it differs from the product name — a duplicate tag says nothing and

// is pure noise in the payload.

function buildSeoData(product) {

const tags = [];

if (!isBlank(product.seoTitle) && String(product.seoTitle).trim() !== String(product.name || '').trim()) {

tags.push({ type: 'title', children: String(product.seoTitle) });

}

if (!isBlank(product.seoDescription)) {

tags.push({ type: 'meta', props: { name: 'description', content: String(product.seoDescription) } });

}

return tags.length ? { tags } : null;

}

// --- product ---------------------------------------------------------------

function setPath(target, path, value) {

const parts = path.split('.');

let cursor = target;

for (let i = 0; i < parts.length - 1; i += 1) {

cursor[parts[i]] = cursor[parts[i]] || {};

cursor = cursor[parts[i]];

}

cursor[parts[parts.length - 1]] = value;

}

// Builds the Stores V3 create body from a canonical product record.

// `options.inStock` exists because availability is frequently the ONLY importable inventory signal

// (most vendor exports carry no quantity column); sending quantity 0 would mark a whole catalog

// out of stock, so the caller states the intent explicitly.

function buildProduct(product, { inStock = true, target = STORES_V3_TARGET } = {}) {

if (isBlank(product.name)) throw new Error('buildProduct: product.name is required');

const body = { ...target.constants };

// Spec-driven scalars.

for (const [canonicalPath, fieldSpec] of Object.entries(target.fields)) {

if (!fieldSpec.payloadPath) continue; // structural: handled below

const key = canonicalPath.replace(/^product\./, '');

let value = product[key];

const def = CANONICAL_FIELDS[canonicalPath] || {};

if (isBlank(value) && def.default !== undefined) value = def.default;

if (isBlank(value) && typeof value !== 'boolean') continue;

if (fieldSpec.coerce && COERCE[fieldSpec.coerce]) value = COERCE[fieldSpec.coerce](value);

else if (def.kind === 'boolean') value = coerceBoolean(value, def.default);

// A spec-declared length cap is enforced here rather than truncated: silently shortening a

// description is exactly the invisible data loss this pipeline exists to avoid, and the caller

// is the one who can decide between truncating, splitting into an info section, or skipping.

if (fieldSpec.maxLength && typeof value === 'string' && value.length > fieldSpec.maxLength) {

throw new Error(

`buildProduct: "${product.name}" has a ${value.length}-character ${canonicalPath} but Wix caps ${fieldSpec.payloadPath} at ${fieldSpec.maxLength}. Truncate it, move the overflow into an info section, or skip the field — and record the loss in mapping-gaps.json.`,

);

}

setPath(body, fieldSpec.payloadPath, fieldSpec.wrap ? fieldSpec.wrap(value) : value);

}

// Structural builders, declared in the spec via `via`.

const options = buildOptions(product);

if (options.length) body.options = options;

const media = buildMedia(product);

if (media) body.media = media;

const seoData = buildSeoData(product);

if (seoData) body.seoData = seoData;

body.variantsInfo = { variants: buildVariants(product, { inStock }) };

if (!body.variantsInfo.variants.length) {

throw new Error(`buildProduct: "${product.name}" produced no variant; every Wix product needs at least one`);

}

return body;

}

// --- category --------------------------------------------------------------

// Categories are created depth-ascending so a parent id is always resolvable. Dedupe against a

// live site must key on name + PARENT, never name alone: a real tree repeats a name at different

// depths (e.g. "Shampoo & Conditioner" under two different parents).

function buildCategory(category, { categoryIdByPath = new Map(), target = CATEGORY_TARGET } = {}) {

if (isBlank(category.name)) throw new Error('buildCategory: category.name is required');

const body = { ...target.constants };

for (const [canonicalPath, fieldSpec] of Object.entries(target.fields)) {

if (!fieldSpec.payloadPath) continue;

const key = canonicalPath.replace(/^category\./, '');

let value = category[key];

const def = CANONICAL_FIELDS[canonicalPath] || {};

if (isBlank(value) && def.default !== undefined) value = def.default;

if (isBlank(value) && typeof value !== 'boolean') continue;

if (def.kind === 'boolean') value = coerceBoolean(value, def.default);

setPath(body, fieldSpec.payloadPath, value);

}

const parentId = category.parentPath ? categoryIdByPath.get(category.parentPath) : null;

if (parentId) body.parentCategory = { id: parentId };

return body;

}

module.exports = {

money,

toWixSlug,

coerceBoolean,

buildOptions,

buildVariants,

buildVariantPrice,

buildMedia,

buildSeoData,

buildProduct,

buildCategory,

};