First pass at refactoring for modularity
parent
6c43818deb
commit
d972746f35
@ -1,30 +0,0 @@
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"use strict";
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const syncpipe = require("syncpipe");
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const url = require("url");
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const assureResponse = require("../../shared/assure-response");
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const surgeon = require("../../shared/surgeon-utils");
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const uniqueArray = require("../../shared/unique-array");
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module.exports = function findCategories({ session }) {
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return async function({ createItem }) {
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let response = await session.get("https://focuslcds.com/");
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assureResponse(response);
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let urls = syncpipe(null, [
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_ => surgeon(`selectMany ".category-list a" | readAttr href`, response.body.toString()),
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_ => uniqueArray(_),
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_ => _.filter((relativeURL) => relativeURL !== ""),
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_ => _.map((relativeURL) => url.resolve("https://focuslcds.com/", relativeURL))
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]);
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for (let url of urls) {
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createItem({
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id: `focus-lcds:category:${url}`,
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tags: [ "focus-lcds:category" ],
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data: { url: url }
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});
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}
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};
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};
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@ -1,19 +0,0 @@
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"use strict";
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const createDatasheet = require("../../shared/create-datasheet");
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module.exports = function normalizeProduct() {
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return async function (api) {
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let { data } = api;
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createDatasheet(api, {
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priority: 0.8,
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source: "focus-lcds",
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manufacturer: data.itemData.manufacturer ?? "Focus LCDs",
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productID: null,
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name: data.itemData.name,
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description: data.itemData.description,
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url: data.itemData.datasheetURL
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});
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};
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};
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@ -1,33 +0,0 @@
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"use strict";
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const assureResponse = require("../../shared/assure-response");
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const surgeon = require("../../shared/surgeon-utils");
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module.exports = function scrapeCategory({ session }) {
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return async function({ data, createItem }) {
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let response = await session.get(data.url);
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assureResponse(response);
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let body = response.body.toString();
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let nextPageURL = surgeon(`selectMaybeN ".pagination-item--next a" 0 | readAttr href`, body);
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if (nextPageURL != null) {
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createItem({
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id: `focus-lcds:category:${nextPageURL}`,
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tags: [ "focus-lcds:category" ],
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data: { url: nextPageURL }
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});
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}
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let items = surgeon(`selectMany "ul.productList .listItem-title a" | readAttr href`, body);
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for (let url of items) {
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createItem({
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id: `focus-lcds:product:${url}`,
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tags: [ "focus-lcds:product" ],
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data: { url: url }
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});
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}
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};
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};
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@ -1,45 +0,0 @@
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"use strict";
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const url = require("url");
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const assureResponse = require("../../shared/assure-response");
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const surgeon = require("../../shared/surgeon-utils");
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const extractModelNumber = require("../../shared/extract-model-number");
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module.exports = function scrapeProduct({ session }) {
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return async function({ data, updateData, expireDependents }) {
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let response = await session.get(data.url);
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assureResponse(response);
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let body = response.body.toString();
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let itemData = surgeon({
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name: [ `selectOne "meta[property='og:title']" | readAttr content`, extractModelNumber ],
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manufacturer: `selectMaybeOne "[itemprop='brand']" | text | ignoreEmptyString`,
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description: [
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`selectMaybeOne "meta[name='description']" | readAttr content`,
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// Get rid of the keyword spam...
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(description) => description.split(",")[0]
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],
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image: `selectMaybeOne "meta[property='og:image']" | readAttr content`,
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price: `selectMaybeOne .productView-price .price--withoutTax | text`,
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datasheetURL: [
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`selectMaybeOne ".productView-info a[href^='/content/']" | readAttr href`,
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(relativeURL) => (!/^\/content\/?$/.test(relativeURL))
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? url.resolve("https://focuslcds.com/", relativeURL)
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: null // Ignore when the datasheet URL is *just* /content/, as that means there is no datasheet for this product
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],
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technicalSpecs: [ `selectAny "#tab-description .productView-info-name"`, {
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name: `text`,
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value: `nextUntil ".productView-info-name" ".productView-info-value" | index 0 | text`
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}]
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}, body);
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updateData((oldData) => ({
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... oldData,
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itemData: itemData
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}));
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expireDependents();
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};
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};
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"use strict";
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const assert = require("assert");
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const assureResponse = require("../../shared/assure-response");
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module.exports = function lcscFindCategories(state) {
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let { session } = state;
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return async function ({ createItem }) {
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let response = await session.get("https://wwwapi.lcsc.com/v1/home/category");
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assureResponse(response);
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assert(response.body.length > 0);
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assert(response.statusCode === 200);
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function processCategoryEntries(categories) {
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for (let category of categories) {
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let productCount = category.productNum;
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let pageCount = Math.ceil(productCount / 500);
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// NOTE: We do *not* use the page count indicated by the API, but instead calculate it ourself from the product count. This is because the API-specified page count will cap out at the equivalent of 10k items, even when more pages than that are actually available.
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for (let i = 1; i <= pageCount; i++) {
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createItem({
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id: `lcsc:category:${category.catalogId}:page-${i}`,
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tags: [ "lcsc:category" ],
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data: {
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... category,
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pageNumber: i
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}
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});
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}
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if (category.childCatelogs != null) {
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processCategoryEntries(category.childCatelogs);
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}
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}
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}
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processCategoryEntries(response.body);
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};
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};
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"use strict";
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const createDatasheet = require("../../shared/create-datasheet");
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module.exports = function lcscNormalizeProduct() {
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return async function (api) {
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let { data } = api;
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createDatasheet(api, {
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priority: 0.4,
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source: "lcsc",
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manufacturer: data.brandNameEn,
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productID: data.productCode,
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name: data.productModel,
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description: data.productIntroEn,
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url: data.pdfUrl
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});
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};
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};
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@ -1,37 +0,0 @@
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"use strict";
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const assert = require("assert");
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const assureResponse = require("../../shared/assure-response");
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// TODO: Validate response formats with validatem instead
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module.exports = function lcscScrapeCategory(state) {
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let { session } = state;
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return async function ({ data, createItem, deleteItem, updateData }) {
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let response = await session.post(`https://wwwapi.lcsc.com/v1/products/list`, {
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catalogIdList: [ data.catalogId ],
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currentPage: data.pageNumber,
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pageSize: 500,
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paramNameValueMap: {}
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});
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assureResponse(response);
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assert(response.statusCode === 200);
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assert(response.body.productList != null); // Missing from stale queued requests?
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assert(response.body.productList.length > 0);
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for (let item of response.body.productList) {
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createItem({
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// NOTE: item.productId seems like the database ID on the website, but item.productCode is the actual LCSC part number used internally for inventory management, so we use that for identification instead
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id: `lcsc:product:${item.productCode}`,
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tags: [ "lcsc:product" ],
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data: item
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});
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}
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// We don't keep around page items, because the amount of pages for a category can change, and so this isn't a stable identifier. They'll be recreated on the next category scrape anyway.
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deleteItem();
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};
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};
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@ -0,0 +1,21 @@
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"use strict";
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const mergeByTemplate = require("merge-by-template");
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function noOverride(a, b) {
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if (a != null && b != null) {
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throw new Error(`Property cannot be overridden`);
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}
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}
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let merge = mergeByTemplate.createMerger({
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backend: noOverride,
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database: noOverride,
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seed: [],
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tags: mergeByTemplate.anyProperty([]),
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tasks: {}
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});
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module.exports = function mergeSources(base, sources) {
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return merge([ base, ... sources ]);
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};
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"use strict";
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const syncpipe = require("syncpipe");
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const url = require("url");
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const assureResponse = require("../../shared/assure-response");
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const surgeon = require("../../shared/surgeon-utils");
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const uniqueArray = require("../../shared/unique-array");
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const extractModelNumber = require("../../shared/extract-model-number");
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const createDatasheet = require("../../shared/create-datasheet");
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// Focus LCDs
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module.exports = function ({ session }) {
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return {
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seed: [{
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id: "focus-lcds:home",
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tags: [ "focus-lcds:home" ],
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data: {}
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}],
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tags: {
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"focus-lcds:home": [ "focus-lcds:findCategories" ],
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"focus-lcds:category": [ "focus-lcds:scrapeCategory" ],
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"focus-lcds:product": [ "focus-lcds:scrapeProduct", "focus-lcds:normalizeProduct" ],
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},
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tasks: {
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"focus-lcds:findCategories": {
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ttl: "60d",
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run: async function({ createItem }) {
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let response = await session.get("https://focuslcds.com/");
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assureResponse(response);
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let urls = syncpipe(null, [
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_ => surgeon(`selectMany ".category-list a" | readAttr href`, response.body.toString()),
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_ => uniqueArray(_),
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_ => _.filter((relativeURL) => relativeURL !== ""),
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_ => _.map((relativeURL) => url.resolve("https://focuslcds.com/", relativeURL))
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]);
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for (let url of urls) {
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createItem({
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id: `focus-lcds:category:${url}`,
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tags: [ "focus-lcds:category" ],
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data: { url: url }
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});
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}
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}
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},
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"focus-lcds:scrapeCategory": {
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ttl: "15d",
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taskInterval: "1m",
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run: async function({ data, createItem }) {
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let response = await session.get(data.url);
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assureResponse(response);
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let body = response.body.toString();
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let nextPageURL = surgeon(`selectMaybeN ".pagination-item--next a" 0 | readAttr href`, body);
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if (nextPageURL != null) {
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createItem({
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id: `focus-lcds:category:${nextPageURL}`,
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tags: [ "focus-lcds:category" ],
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data: { url: nextPageURL }
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});
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}
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let items = surgeon(`selectMany "ul.productList .listItem-title a" | readAttr href`, body);
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for (let url of items) {
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createItem({
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id: `focus-lcds:product:${url}`,
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tags: [ "focus-lcds:product" ],
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data: { url: url }
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});
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}
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}
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},
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"focus-lcds:scrapeProduct": {
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ttl: "15d",
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taskInterval: "5s",
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run: async function({ data, updateData, expireDependents }) {
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let response = await session.get(data.url);
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assureResponse(response);
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let body = response.body.toString();
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let itemData = surgeon({
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name: [ `selectOne "meta[property='og:title']" | readAttr content`, extractModelNumber ],
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manufacturer: `selectMaybeOne "[itemprop='brand']" | text | ignoreEmptyString`,
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description: [
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`selectMaybeOne "meta[name='description']" | readAttr content`,
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// Get rid of the keyword spam...
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(description) => description.split(",")[0]
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],
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image: `selectMaybeOne "meta[property='og:image']" | readAttr content`,
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price: `selectMaybeOne .productView-price .price--withoutTax | text`,
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datasheetURL: [
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`selectMaybeOne ".productView-info a[href^='/content/']" | readAttr href`,
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(relativeURL) => (!/^\/content\/?$/.test(relativeURL))
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? url.resolve("https://focuslcds.com/", relativeURL)
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: null // Ignore when the datasheet URL is *just* /content/, as that means there is no datasheet for this product
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],
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technicalSpecs: [ `selectAny "#tab-description .productView-info-name"`, {
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name: `text`,
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value: `nextUntil ".productView-info-name" ".productView-info-value" | index 0 | text`
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}]
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}, body);
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updateData((oldData) => ({
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... oldData,
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itemData: itemData
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}));
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expireDependents();
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}
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},
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"focus-lcds:normalizeProduct": {
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dependsOn: [ "focus-lcds:scrapeProduct" ],
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parallelTasks: 50,
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run: async function (api) {
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let { data } = api;
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createDatasheet(api, {
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priority: 0.8,
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source: "focus-lcds",
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manufacturer: data.itemData.manufacturer ?? "Focus LCDs",
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productID: null,
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name: data.itemData.name,
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description: data.itemData.description,
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url: data.itemData.datasheetURL
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});
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}
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},
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}
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};
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};
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@ -0,0 +1,108 @@
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"use strict";
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const assert = require("assert");
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const assureResponse = require("../../shared/assure-response");
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const createDatasheet = require("../../shared/create-datasheet");
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// LCSC
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// TODO: Validate response formats with validatem instead
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module.exports = function ({ session }) {
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return {
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seed: [{
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id: "lcsc:home",
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tags: [ "lcsc:home" ],
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data: {}
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}],
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tags: {
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"lcsc:home": [ "lcsc:findCategories" ],
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"lcsc:category": [ "lcsc:scrapeCategory" ],
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"lcsc:product": [ "lcsc:normalizeProduct" ],
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},
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tasks: {
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"lcsc:findCategories": {
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ttl: "30d",
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version: "1",
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run: async function ({ storeItem }) {
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let response = await session.get("https://wwwapi.lcsc.com/v1/home/category");
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assureResponse(response);
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assert(response.body.length > 0);
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assert(response.statusCode === 200);
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function processCategoryEntries(categories) {
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for (let category of categories) {
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let productCount = category.productNum;
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let pageCount = Math.ceil(productCount / 500);
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// NOTE: We do *not* use the page count indicated by the API, but instead calculate it ourself from the product count. This is because the API-specified page count will cap out at the equivalent of 10k items, even when more pages than that are actually available.
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for (let i = 1; i <= pageCount; i++) {
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storeItem({
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id: `lcsc:category:${category.catalogId}:page-${i}`,
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tags: [ "lcsc:category" ],
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data: {
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... category,
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pageNumber: i
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}
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});
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}
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if (category.childCatelogs != null) {
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processCategoryEntries(category.childCatelogs);
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}
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}
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}
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processCategoryEntries(response.body);
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}
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},
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"lcsc:scrapeCategory": {
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ttl: "30d",
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taskInterval: "1m",
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run: async function ({ data, storeItem, deleteItem }) {
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let response = await session.post(`https://wwwapi.lcsc.com/v1/products/list`, {
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catalogIdList: [ data.catalogId ],
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currentPage: data.pageNumber,
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pageSize: 500,
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paramNameValueMap: {}
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});
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assureResponse(response);
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assert(response.statusCode === 200);
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assert(response.body.productList != null); // Missing from stale queued requests?
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assert(response.body.productList.length > 0);
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for (let item of response.body.productList) {
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storeItem({
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// NOTE: item.productId seems like the database ID on the website, but item.productCode is the actual LCSC part number used internally for inventory management, so we use that for identification instead
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id: `lcsc:product:${item.productCode}`,
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tags: [ "lcsc:product" ],
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data: item
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});
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}
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// We don't keep around page items, because the amount of pages for a category can change, and so this isn't a stable identifier. They'll be recreated on the next category scrape anyway.
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deleteItem();
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}
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},
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"lcsc:normalizeProduct": {
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version: "7",
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parallelTasks: 50,
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run: async function (api) {
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let { data } = api;
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createDatasheet(api, {
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priority: 0.4,
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source: "lcsc",
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manufacturer: data.brandNameEn,
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productID: data.productCode,
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name: data.productModel,
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description: data.productIntroEn,
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url: data.pdfUrl
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});
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}
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},
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}
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};
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};
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@ -0,0 +1,211 @@
|
||||
"use strict";
|
||||
|
||||
const cheerio = require("cheerio");
|
||||
const url = require("url");
|
||||
const assert = require("assert");
|
||||
const syncpipe = require("syncpipe");
|
||||
const htmlEntities = require("html-entities");
|
||||
|
||||
const createDatasheet = require("../../shared/create-datasheet");
|
||||
const assureResponse = require("../../shared/assure-response");
|
||||
const getUntaggedText = require("../../shared/get-untagged-text");
|
||||
|
||||
// ST Microelectronics
|
||||
|
||||
function extractID(string) {
|
||||
// Quick-and-dirty category ID parsing from category pages
|
||||
let match = /"prmisID":"([^"]+)"/.exec(string);
|
||||
|
||||
if (match != null) {
|
||||
return match[1];
|
||||
} else {
|
||||
throw new Error(`ST: prmis ID expected but not found`);
|
||||
}
|
||||
}
|
||||
|
||||
module.exports = function ({ session }) {
|
||||
return {
|
||||
seed: [{
|
||||
id: "st:home",
|
||||
tags: [ "st:home" ],
|
||||
data: {}
|
||||
}],
|
||||
tags: {
|
||||
"st:home": [ "st:findCategories" ],
|
||||
"st:category": [ "st:scrapeCategory" ],
|
||||
"st:product": [ "st:scrapeProduct", "st:normalizeProduct" ],
|
||||
},
|
||||
tasks: {
|
||||
"st:findCategories": {
|
||||
ttl: "15d",
|
||||
run: async function ({ createItem }) {
|
||||
let response = await session.get("https://www.st.com/content/st_com/en.html");
|
||||
assureResponse(response);
|
||||
|
||||
let $ = cheerio.load(response.body);
|
||||
|
||||
let links = $("#Top_Menu_Products :is(a.st-nav__blockmenu-title, a.st-nav__blockmenu-link)")
|
||||
.toArray()
|
||||
.map((element) => $(element).attr("href"))
|
||||
.map((relativeURL) => url.resolve("https://www.st.com/", relativeURL));
|
||||
|
||||
for (let link of links) {
|
||||
createItem({
|
||||
id: `st:category:${link}`,
|
||||
tags: [ "st:category" ],
|
||||
data: { url: link }
|
||||
});
|
||||
}
|
||||
}
|
||||
},
|
||||
"st:scrapeCategory": {
|
||||
ttl: "1d",
|
||||
taskInterval: "60s",
|
||||
version: "2",
|
||||
run: async function({ data, createItem }) {
|
||||
let response = await session.get(data.url);
|
||||
assureResponse(response);
|
||||
|
||||
let prmisID = extractID(response.body.toString());
|
||||
|
||||
let listingResponse = await session.get(`https://www.st.com/en/documentation/scraper.cxst-ps-grid.html/${encodeURIComponent(prmisID)}.json`, { noDecode: true });
|
||||
assureResponse(response);
|
||||
let listingBuffer = listingResponse.body;
|
||||
|
||||
if (listingBuffer.length > 0) {
|
||||
// This is a category that has a product explorer
|
||||
let listing = JSON.parse(listingBuffer.toString());
|
||||
|
||||
let cellNames = listing.columns.map((column) => {
|
||||
let cellName = (column.identifier != null)
|
||||
? `${column.identifier}_${column.qualifier_identifier}`
|
||||
: `nonstandard:${column.name}:${column.qualifier}`
|
||||
|
||||
createItem({
|
||||
id: `st:column:${cellName}`,
|
||||
tags: [ "st:column" ],
|
||||
data: column
|
||||
});
|
||||
|
||||
return cellName;
|
||||
});
|
||||
|
||||
for (let row of listing.rows) {
|
||||
assert(row.productId != null);
|
||||
|
||||
let cellData = syncpipe(row.cells, [
|
||||
(_) => _.map((cell, i) => [ cellNames[i], cell.value ]),
|
||||
(_) => Object.fromEntries(_)
|
||||
]);
|
||||
|
||||
createItem({
|
||||
id: `st:product:${row.productId}`,
|
||||
tags: [ "st:product" ],
|
||||
data: {
|
||||
... row,
|
||||
cells: undefined,
|
||||
cellData: cellData
|
||||
}
|
||||
});
|
||||
}
|
||||
} else {
|
||||
console.warn("Warning: empty response, category does not have product explorer");
|
||||
}
|
||||
}
|
||||
},
|
||||
"st:scrapeProduct": {
|
||||
ttl: "15d",
|
||||
taskInterval: "5s",
|
||||
run: async function({ data, createItem, updateData, expireDependents }) {
|
||||
if (data.productFolderUrl == null) {
|
||||
throw new Error(`No known product page URL`);
|
||||
}
|
||||
|
||||
let productPageURL = url.resolve("https://www.st.com/", data.productFolderUrl);
|
||||
|
||||
let response = await session.get(productPageURL);
|
||||
assureResponse(response);
|
||||
|
||||
let $ = cheerio.load(response.body);
|
||||
|
||||
let datasheetLink = $("a[data-js='datasheetLink']").attr("href");
|
||||
let datasheetURL = (datasheetLink != null)
|
||||
? url.resolve(productPageURL, datasheetLink)
|
||||
: null;
|
||||
|
||||
let resources = $(".st-table--resources")
|
||||
.find("h3").toArray()
|
||||
.map((heading) => {
|
||||
let $heading = $(heading);
|
||||
let sectionID = $heading.attr("id");
|
||||
let sectionTitle = $heading.text().trim();
|
||||
|
||||
let $table = $heading.next("table");
|
||||
|
||||
let items = $table
|
||||
.find("tbody tr").toArray()
|
||||
.map((row) => {
|
||||
let $row = $(row);
|
||||
let $mainView = $row.find(".visible-on-desktop-only");
|
||||
let $link = $mainView.find("a.st-link");
|
||||
|
||||
return {
|
||||
url: url.resolve(productPageURL, $link.attr("href")),
|
||||
documentID: $link.find("span.st-font--bold").text().trim(),
|
||||
description: $link.find("span:not(.st-font--bold)").text().trim(),
|
||||
version: getUntaggedText($link),
|
||||
date: $row.find(".visible-on-desktop-only[data-latest-update]").text().trim()
|
||||
};
|
||||
});
|
||||
|
||||
return {
|
||||
sectionID: sectionID,
|
||||
sectionTitle: sectionTitle,
|
||||
items: items
|
||||
};
|
||||
});
|
||||
|
||||
updateData((data) => {
|
||||
return {
|
||||
... data,
|
||||
datasheetLink: datasheetURL,
|
||||
resources: resources
|
||||
};
|
||||
});
|
||||
|
||||
expireDependents();
|
||||
|
||||
for (let section of resources) {
|
||||
for (let resource of section.items) {
|
||||
createItem({
|
||||
id: `st:resource:${resource.url}`,
|
||||
tags: (resource.url === datasheetURL)
|
||||
? [ "st:resource", "st:datasheet" ]
|
||||
: [ "st_resource" ],
|
||||
data: { url: resource.url }
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
"st:normalizeProduct": {
|
||||
dependsOn: [ "st:scrapeProduct" ],
|
||||
version: "8",
|
||||
parallelTasks: 50,
|
||||
run: async function (api) {
|
||||
let { data } = api;
|
||||
|
||||
createDatasheet(api, {
|
||||
priority: 0.8,
|
||||
source: "st",
|
||||
manufacturer: "STMicroelectronics",
|
||||
productID: data.productId,
|
||||
name: data.cellData["XJE010_VT-007"],
|
||||
description: htmlEntities.decode(data.cellData["XJE014_VT-007"]),
|
||||
url: data.datasheetLink
|
||||
});
|
||||
}
|
||||
},
|
||||
}
|
||||
};
|
||||
};
|
@ -0,0 +1,202 @@
|
||||
"use strict";
|
||||
|
||||
const assert = require("assert");
|
||||
const cheerio = require("cheerio");
|
||||
const syncpipe = require("syncpipe");
|
||||
const url = require("url");
|
||||
|
||||
const pipe = require("@promistream/pipe");
|
||||
const simpleSink = require("@promistream/simple-sink");
|
||||
const assureResponse = require("../../shared/assure-response");
|
||||
const parseSitemapResponse = require("../../shared/parse-sitemap-response");
|
||||
const createDatasheet = require("../../shared/create-datasheet");
|
||||
|
||||
// TME.eu
|
||||
|
||||
function firstMatch(options) {
|
||||
for (let option of options) {
|
||||
if (option != null && option !== "") {
|
||||
return option;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
module.exports = function ({ session }) {
|
||||
return {
|
||||
seed: [{
|
||||
id: "tme:sitemap:index",
|
||||
tags: [ "tme:sitemap" ],
|
||||
data: { url: "https://www.tme.eu/en/sitemap.xml" }
|
||||
// TODO: Delete derived sitemap entries
|
||||
}],
|
||||
tags: {
|
||||
"tme:sitemap": [ "tme:scrapeSitemap" ],
|
||||
"tme:product": [ "tme:scrapeProduct", "tme:normalizeProduct" ],
|
||||
},
|
||||
tasks: {
|
||||
"tme:scrapeSitemap": {
|
||||
ttl: "3d",
|
||||
taskInterval: "30s",
|
||||
run: async function ({ data, createItem, deleteItem }) {
|
||||
let response = await session.get(data.url, { stream: true });
|
||||
assureResponse(response);
|
||||
|
||||
let resultCount = 0;
|
||||
|
||||
await pipe([
|
||||
parseSitemapResponse(response),
|
||||
simpleSink((item) => {
|
||||
assert(item.url);
|
||||
|
||||
if (item.type === "sitemap") {
|
||||
// NOTE: We are only interested in the sitemaps that enumerate components, not those that list categories etc.
|
||||
if (/pip_part[0-9]+\.xml(\.gz)?/.test(item.url)) {
|
||||
createItem({
|
||||
id: `tme:sitemap:${item.url}`,
|
||||
tags: [ "tme:sitemap" ],
|
||||
data: { url: item.url }
|
||||
});
|
||||
|
||||
resultCount += 1;
|
||||
}
|
||||
} else if (item.type === "url") {
|
||||
if (item.url.startsWith("https://www.tme.eu/en/details/")) {
|
||||
createItem({
|
||||
id: `tme:product:${item.url}`,
|
||||
tags: [ "tme:product" ],
|
||||
data: { url: item.url }
|
||||
});
|
||||
|
||||
resultCount += 1;
|
||||
}
|
||||
}
|
||||
})
|
||||
]).read();
|
||||
|
||||
// If we don't get at least *some* items out of a sitemap, something is wrong - eg. the URL format changed and we are no longer matching anything.
|
||||
assert(resultCount > 0);
|
||||
|
||||
// FIXME: Do this here? Or is there a reason *not* to delete the sitemap entry?
|
||||
// deleteItem();
|
||||
}
|
||||
},
|
||||
"tme:scrapeProduct": {
|
||||
ttl: "60d",
|
||||
taskInterval: "500ms",
|
||||
run: async function ({ data, createAlias, updateData, expireDependents }) {
|
||||
let response = await session.get(data.url);
|
||||
assureResponse(response);
|
||||
|
||||
let $ = cheerio.load(response.body);
|
||||
|
||||
// FIXME: This is currently broken!
|
||||
let allMetaHeaders = syncpipe($("h2.o-semantic-only-header").toArray(), [
|
||||
(_) => _.map((header) => {
|
||||
let $header = $(header);
|
||||
|
||||
return [
|
||||
$header.find(".name").text().trim(),
|
||||
$header.find(".value").text().trim()
|
||||
];
|
||||
}),
|
||||
(_) => Object.fromEntries(_)
|
||||
]);
|
||||
|
||||
let descriptionElement = $(".c-pip__description > h2").eq(0);
|
||||
|
||||
let itemData = {
|
||||
productID: $("h2.c-pip__symbol--tme .c-pip__symbol-value").eq(0).text().trim(),
|
||||
manufacturer: $("a.pip__product-header-title").eq(0).text().trim(),
|
||||
model: firstMatch([
|
||||
$("h2.c-pip__symbol--producer .c-pip__symbol-value").eq(0).text().trim(), // Manufacturer part number
|
||||
$("h2.c-pip__symbol--tme .c-pip__symbol-value").eq(0).text().trim(), // TME Symbol
|
||||
]),
|
||||
description: (descriptionElement.children().length === 0) // This skips meta fields if there is no description element
|
||||
? descriptionElement.text().trim()
|
||||
: null,
|
||||
documents: $("div.c-pip__document > a").toArray()
|
||||
.map((link) => {
|
||||
let relativeLink = $(link).attr("href");
|
||||
|
||||
if (relativeLink != null) {
|
||||
return {
|
||||
description: $(link).text().trim(),
|
||||
url: url.resolve(
|
||||
data.url,
|
||||
relativeLink
|
||||
)
|
||||
};
|
||||
} else {
|
||||
// Probably a video popup
|
||||
return null;
|
||||
}
|
||||
})
|
||||
.filter((item) => {
|
||||
return item != null;
|
||||
}),
|
||||
// TODO: Scrape prices
|
||||
};
|
||||
|
||||
assert(itemData.productID != null);
|
||||
assert(itemData.manufacturer != null);
|
||||
assert(itemData.model != null);
|
||||
|
||||
createAlias({ from: `tme:product:${itemData.productID}` });
|
||||
|
||||
updateData((oldData) => ({
|
||||
... oldData,
|
||||
itemData: itemData
|
||||
}));
|
||||
|
||||
expireDependents();
|
||||
}
|
||||
},
|
||||
"tme:normalizeProduct": {
|
||||
dependsOn: [ "tme:scrapeProduct" ],
|
||||
version: "5",
|
||||
parallelTasks: 50,
|
||||
run: async function (api) {
|
||||
let { data } = api;
|
||||
|
||||
function isEnglish(document) {
|
||||
return /\sen\s*$/i.test(document.description);
|
||||
}
|
||||
|
||||
if (data.itemData.documents.length > 0) {
|
||||
if (typeof data.itemData.documents[0] === "string") {
|
||||
// Temporary workaround for the dependsOn not taking into account task versions, and some old records existing with a wrong documents structure
|
||||
return;
|
||||
}
|
||||
|
||||
let manufacturer = data.itemData.manufacturer;
|
||||
let modelName = data.itemData.model;
|
||||
let description = data.itemData.description;
|
||||
let productID = data.itemData.productID;
|
||||
|
||||
let firstEnglish = data.itemData.documents.find((document) => isEnglish(document));
|
||||
|
||||
let bestDocument = (firstEnglish != null)
|
||||
? firstEnglish
|
||||
: data.itemData.documents[0];
|
||||
|
||||
let bestDocumentIsEnglish = isEnglish(bestDocument);
|
||||
|
||||
createDatasheet(api, {
|
||||
priority: (bestDocumentIsEnglish)
|
||||
? 0.6
|
||||
: 0.5,
|
||||
source: "tme",
|
||||
manufacturer: manufacturer,
|
||||
productID: productID,
|
||||
name: modelName,
|
||||
description: description,
|
||||
url: bestDocument.url,
|
||||
// NOTE: Most (but not all!) manufacturers on TME are, incorrectly, in ALL-CAPS. This 'fixes' those cases through best-effort capitalization. Many (but less!) will still be wrong and need to be fixed later.
|
||||
fixCasing: true
|
||||
});
|
||||
}
|
||||
}
|
||||
},
|
||||
}
|
||||
};
|
||||
};
|
@ -1,12 +0,0 @@
|
||||
"use strict";
|
||||
|
||||
module.exports = function extractID(string) {
|
||||
// Quick-and-dirty category ID parsing from category pages
|
||||
let match = /"prmisID":"([^"]+)"/.exec(string);
|
||||
|
||||
if (match != null) {
|
||||
return match[1];
|
||||
} else {
|
||||
throw new Error(`ST: prmis ID expected but not found`);
|
||||
}
|
||||
};
|
@ -1,28 +0,0 @@
|
||||
"use strict";
|
||||
|
||||
const cheerio = require("cheerio");
|
||||
const url = require("url");
|
||||
|
||||
const assureResponse = require("../../shared/assure-response");
|
||||
|
||||
module.exports = function findCategories({ session }) {
|
||||
return async function ({ createItem }) {
|
||||
let response = await session.get("https://www.st.com/content/st_com/en.html");
|
||||
assureResponse(response);
|
||||
|
||||
let $ = cheerio.load(response.body);
|
||||
|
||||
let links = $("#Top_Menu_Products :is(a.st-nav__blockmenu-title, a.st-nav__blockmenu-link)")
|
||||
.toArray()
|
||||
.map((element) => $(element).attr("href"))
|
||||
.map((relativeURL) => url.resolve("https://www.st.com/", relativeURL));
|
||||
|
||||
for (let link of links) {
|
||||
createItem({
|
||||
id: `st:category:${link}`,
|
||||
tags: [ "st:category" ],
|
||||
data: { url: link }
|
||||
});
|
||||
}
|
||||
};
|
||||
};
|
@ -1,20 +0,0 @@
|
||||
"use strict";
|
||||
|
||||
const htmlEntities = require("html-entities");
|
||||
const createDatasheet = require("../../shared/create-datasheet");
|
||||
|
||||
module.exports = function normalizeProduct() {
|
||||
return async function (api) {
|
||||
let { data } = api;
|
||||
|
||||
createDatasheet(api, {
|
||||
priority: 0.8,
|
||||
source: "st",
|
||||
manufacturer: "STMicroelectronics",
|
||||
productID: data.productId,
|
||||
name: data.cellData["XJE010_VT-007"],
|
||||
description: htmlEntities.decode(data.cellData["XJE014_VT-007"]),
|
||||
url: data.datasheetLink
|
||||
});
|
||||
};
|
||||
};
|
@ -1,60 +0,0 @@
|
||||
"use strict";
|
||||
|
||||
const assert = require("assert");
|
||||
const syncpipe = require("syncpipe");
|
||||
|
||||
const assureResponse = require("../../shared/assure-response");
|
||||
const extractId = require("../extract-id");
|
||||
|
||||
module.exports = function scrapeCategory({ session }) {
|
||||
return async function({ data, createItem }) {
|
||||
let response = await session.get(data.url);
|
||||
assureResponse(response);
|
||||
|
||||
let prmisID = extractId(response.body.toString());
|
||||
|
||||
let listingResponse = await session.get(`https://www.st.com/en/documentation/scraper.cxst-ps-grid.html/${encodeURIComponent(prmisID)}.json`, { noDecode: true });
|
||||
assureResponse(response);
|
||||
let listingBuffer = listingResponse.body;
|
||||
|
||||
if (listingBuffer.length > 0) {
|
||||
// This is a category that has a product explorer
|
||||
let listing = JSON.parse(listingBuffer.toString());
|
||||
|
||||
let cellNames = listing.columns.map((column) => {
|
||||
let cellName = (column.identifier != null)
|
||||
? `${column.identifier}_${column.qualifier_identifier}`
|
||||
: `nonstandard:${column.name}:${column.qualifier}`
|
||||
|
||||
createItem({
|
||||
id: `st:column:${cellName}`,
|
||||
tags: [ "st:column" ],
|
||||
data: column
|
||||
});
|
||||
|
||||
return cellName;
|
||||
});
|
||||
|
||||
for (let row of listing.rows) {
|
||||
assert(row.productId != null);
|
||||
|
||||
let cellData = syncpipe(row.cells, [
|
||||
(_) => _.map((cell, i) => [ cellNames[i], cell.value ]),
|
||||
(_) => Object.fromEntries(_)
|
||||
]);
|
||||
|
||||
createItem({
|
||||
id: `st:product:${row.productId}`,
|
||||
tags: [ "st:product" ],
|
||||
data: {
|
||||
... row,
|
||||
cells: undefined,
|
||||
cellData: cellData
|
||||
}
|
||||
});
|
||||
}
|
||||
} else {
|
||||
console.warn("Warning: empty response, category does not have product explorer");
|
||||
}
|
||||
};
|
||||
};
|
@ -1,81 +0,0 @@
|
||||
"use strict";
|
||||
|
||||
const cheerio = require("cheerio");
|
||||
const url = require("url");
|
||||
|
||||
const assureResponse = require("../../shared/assure-response");
|
||||
const getUntaggedText = require("../../shared/get-untagged-text");
|
||||
|
||||
module.exports = function scrapeProduct({ session }) {
|
||||
return async function({ data, createItem, updateData, expireDependents }) {
|
||||
if (data.productFolderUrl == null) {
|
||||
throw new Error(`No known product page URL`);
|
||||
}
|
||||
|
||||
let productPageURL = url.resolve("https://www.st.com/", data.productFolderUrl);
|
||||
|
||||
let response = await session.get(productPageURL);
|
||||
assureResponse(response);
|
||||
|
||||
let $ = cheerio.load(response.body);
|
||||
|
||||
let datasheetLink = $("a[data-js='datasheetLink']").attr("href");
|
||||
let datasheetURL = (datasheetLink != null)
|
||||
? url.resolve(productPageURL, datasheetLink)
|
||||
: null;
|
||||
|
||||
let resources = $(".st-table--resources")
|
||||
.find("h3").toArray()
|
||||
.map((heading) => {
|
||||
let $heading = $(heading);
|
||||
let sectionID = $heading.attr("id");
|
||||
let sectionTitle = $heading.text().trim();
|
||||
|
||||
let $table = $heading.next("table");
|
||||
|
||||
let items = $table
|
||||
.find("tbody tr").toArray()
|
||||
.map((row) => {
|
||||
let $row = $(row);
|
||||
let $mainView = $row.find(".visible-on-desktop-only");
|
||||
let $link = $mainView.find("a.st-link");
|
||||
|
||||
return {
|
||||
url: url.resolve(productPageURL, $link.attr("href")),
|
||||
documentID: $link.find("span.st-font--bold").text().trim(),
|
||||
description: $link.find("span:not(.st-font--bold)").text().trim(),
|
||||
version: getUntaggedText($link),
|
||||
date: $row.find(".visible-on-desktop-only[data-latest-update]").text().trim()
|
||||
};
|
||||
});
|
||||
|
||||
return {
|
||||
sectionID: sectionID,
|
||||
sectionTitle: sectionTitle,
|
||||
items: items
|
||||
};
|
||||
});
|
||||
|
||||
updateData((data) => {
|
||||
return {
|
||||
... data,
|
||||
datasheetLink: datasheetURL,
|
||||
resources: resources
|
||||
};
|
||||
});
|
||||
|
||||
expireDependents();
|
||||
|
||||
for (let section of resources) {
|
||||
for (let resource of section.items) {
|
||||
createItem({
|
||||
id: `st:resource:${resource.url}`,
|
||||
tags: (resource.url === datasheetURL)
|
||||
? [ "st:resource", "st:datasheet" ]
|
||||
: [ "st_resource" ],
|
||||
data: { url: resource.url }
|
||||
});
|
||||
}
|
||||
}
|
||||
};
|
||||
};
|
@ -1,47 +0,0 @@
|
||||
"use strict";
|
||||
|
||||
const createDatasheet = require("../../shared/create-datasheet");
|
||||
|
||||
function isEnglish(document) {
|
||||
return /\sen\s*$/i.test(document.description);
|
||||
}
|
||||
|
||||
module.exports = function tmeNormalizeProduct() {
|
||||
return async function (api) {
|
||||
let { data } = api;
|
||||
|
||||
if (data.itemData.documents.length > 0) {
|
||||
if (typeof data.itemData.documents[0] === "string") {
|
||||
// Temporary workaround for the dependsOn not taking into account task versions, and some old records existing with a wrong documents structure
|
||||
return;
|
||||
}
|
||||
|
||||
let manufacturer = data.itemData.manufacturer;
|
||||
let modelName = data.itemData.model;
|
||||
let description = data.itemData.description;
|
||||
let productID = data.itemData.productID;
|
||||
|
||||
let firstEnglish = data.itemData.documents.find((document) => isEnglish(document));
|
||||
|
||||
let bestDocument = (firstEnglish != null)
|
||||
? firstEnglish
|
||||
: data.itemData.documents[0];
|
||||
|
||||
let bestDocumentIsEnglish = isEnglish(bestDocument);
|
||||
|
||||
createDatasheet(api, {
|
||||
priority: (bestDocumentIsEnglish)
|
||||
? 0.6
|
||||
: 0.5,
|
||||
source: "tme",
|
||||
manufacturer: manufacturer,
|
||||
productID: productID,
|
||||
name: modelName,
|
||||
description: description,
|
||||
url: bestDocument.url,
|
||||
// NOTE: Most (but not all!) manufacturers on TME are, incorrectly, in ALL-CAPS. This 'fixes' those cases through best-effort capitalization. Many (but less!) will still be wrong and need to be fixed later.
|
||||
fixCasing: true
|
||||
});
|
||||
}
|
||||
};
|
||||
};
|
@ -1,86 +0,0 @@
|
||||
"use strict";
|
||||
|
||||
const assert = require("assert");
|
||||
const cheerio = require("cheerio");
|
||||
const syncpipe = require("syncpipe");
|
||||
const url = require("url");
|
||||
|
||||
const assureResponse = require("../../shared/assure-response");
|
||||
|
||||
function firstMatch(options) {
|
||||
for (let option of options) {
|
||||
if (option != null && option !== "") {
|
||||
return option;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
module.exports = function tmeScrapeProduct({ session }) {
|
||||
return async function ({ data, createAlias, updateData, expireDependents }) {
|
||||
let response = await session.get(data.url);
|
||||
assureResponse(response);
|
||||
|
||||
let $ = cheerio.load(response.body);
|
||||
|
||||
// FIXME: This is currently broken!
|
||||
let allMetaHeaders = syncpipe($("h2.o-semantic-only-header").toArray(), [
|
||||
(_) => _.map((header) => {
|
||||
let $header = $(header);
|
||||
|
||||
return [
|
||||
$header.find(".name").text().trim(),
|
||||
$header.find(".value").text().trim()
|
||||
];
|
||||
}),
|
||||
(_) => Object.fromEntries(_)
|
||||
]);
|
||||
|
||||
let descriptionElement = $(".c-pip__description > h2").eq(0);
|
||||
|
||||
let itemData = {
|
||||
productID: $("h2.c-pip__symbol--tme .c-pip__symbol-value").eq(0).text().trim(),
|
||||
manufacturer: $("a.pip__product-header-title").eq(0).text().trim(),
|
||||
model: firstMatch([
|
||||
$("h2.c-pip__symbol--producer .c-pip__symbol-value").eq(0).text().trim(), // Manufacturer part number
|
||||
$("h2.c-pip__symbol--tme .c-pip__symbol-value").eq(0).text().trim(), // TME Symbol
|
||||
]),
|
||||
description: (descriptionElement.children().length === 0) // This skips meta fields if there is no description element
|
||||
? descriptionElement.text().trim()
|
||||
: null,
|
||||
documents: $("div.c-pip__document > a").toArray()
|
||||
.map((link) => {
|
||||
let relativeLink = $(link).attr("href");
|
||||
|
||||
if (relativeLink != null) {
|
||||
return {
|
||||
description: $(link).text().trim(),
|
||||
url: url.resolve(
|
||||
data.url,
|
||||
relativeLink
|
||||
)
|
||||
};
|
||||
} else {
|
||||
// Probably a video popup
|
||||
return null;
|
||||
}
|
||||
})
|
||||
.filter((item) => {
|
||||
return item != null;
|
||||
}),
|
||||
// TODO: Scrape prices
|
||||
};
|
||||
|
||||
assert(itemData.productID != null);
|
||||
assert(itemData.manufacturer != null);
|
||||
assert(itemData.model != null);
|
||||
|
||||
createAlias({ from: `tme:product:${itemData.productID}` });
|
||||
|
||||
updateData((oldData) => ({
|
||||
... oldData,
|
||||
itemData: itemData
|
||||
}));
|
||||
|
||||
expireDependents();
|
||||
};
|
||||
};
|
@ -1,50 +0,0 @@
|
||||
"use strict";
|
||||
|
||||
const assert = require("assert");
|
||||
|
||||
const pipe = require("@promistream/pipe");
|
||||
const simpleSink = require("@promistream/simple-sink");
|
||||
const assureResponse = require("../../shared/assure-response");
|
||||
const parseSitemapResponse = require("../../shared/parse-sitemap-response");
|
||||
|
||||
module.exports = function tmeScrapeSitemap({ session }) {
|
||||
return async function ({ data, createItem }) {
|
||||
let response = await session.get(data.url, { stream: true });
|
||||
assureResponse(response);
|
||||
|
||||
let resultCount = 0;
|
||||
|
||||
await pipe([
|
||||
parseSitemapResponse(response),
|
||||
simpleSink((item) => {
|
||||
assert(item.url);
|
||||
|
||||
if (item.type === "sitemap") {
|
||||
// NOTE: We are only interested in the sitemaps that enumerate components, not those that list categories etc.
|
||||
if (/pip_part[0-9]+\.xml(\.gz)?/.test(item.url)) {
|
||||
createItem({
|
||||
id: `tme:sitemap:${item.url}`,
|
||||
tags: [ "tme:sitemap" ],
|
||||
data: { url: item.url }
|
||||
});
|
||||
|
||||
resultCount += 1;
|
||||
}
|
||||
} else if (item.type === "url") {
|
||||
if (item.url.startsWith("https://www.tme.eu/en/details/")) {
|
||||
createItem({
|
||||
id: `tme:product:${item.url}`,
|
||||
tags: [ "tme:product" ],
|
||||
data: { url: item.url }
|
||||
});
|
||||
|
||||
resultCount += 1;
|
||||
}
|
||||
}
|
||||
})
|
||||
]).read();
|
||||
|
||||
// If we don't get at least *some* items out of a sitemap, something is wrong - eg. the URL format changed and we are no longer matching anything.
|
||||
assert(resultCount > 0);
|
||||
};
|
||||
};
|
@ -0,0 +1,3 @@
|
||||
"use strict";
|
||||
|
||||
console.log(require("fix-esm").require("execall").toString())
|
@ -0,0 +1,7 @@
|
||||
- add source: http://www.injoinic.com/product_detail/id/21.html
|
||||
- LCSC: remove placeholder URLs that aren't actually datasheets
|
||||
- rework createDatasheet:
|
||||
- retain alternate options
|
||||
- track language of each entry (when known)
|
||||
- also retain non-datasheet documentation
|
||||
- add source: realtek
|
Loading…
Reference in New Issue