523 lines
21 KiB
JavaScript
523 lines
21 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.extractElementTags = exports.convertChildren = void 0;
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const block_1 = require("./block");
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const common_1 = require("./common");
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const mustache_1 = require("./mustache");
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const text_1 = require("./text");
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const attr_1 = require("./attr");
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const const_1 = require("./const");
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const sort_1 = require("../sort");
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const __1 = require("../..");
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/* eslint-disable complexity -- X */
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/** Convert for Fragment or Element or ... */
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function* convertChildren(
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/* eslint-enable complexity -- X */
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fragment, parent, ctx) {
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for (const child of fragment.children) {
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if (child.type === "Comment") {
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yield convertComment(child, parent, ctx);
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continue;
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}
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if (child.type === "Text") {
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if (!child.data && child.start === child.end) {
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continue;
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}
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yield (0, text_1.convertText)(child, parent, ctx);
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continue;
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}
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if (child.type === "Element") {
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if (child.name.includes(":")) {
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yield convertSpecialElement(child, parent, ctx);
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}
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else {
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yield convertHTMLElement(child, parent, ctx);
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}
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continue;
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}
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if (child.type === "InlineComponent") {
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if (child.name.includes(":")) {
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yield convertSpecialElement(child, parent, ctx);
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}
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else {
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yield convertComponentElement(child, parent, ctx);
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}
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continue;
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}
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if (child.type === "Slot") {
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yield convertSlotElement(child, parent, ctx);
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continue;
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}
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if (child.type === "MustacheTag") {
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yield (0, mustache_1.convertMustacheTag)(child, parent, ctx);
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continue;
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}
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if (child.type === "RawMustacheTag") {
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yield (0, mustache_1.convertRawMustacheTag)(child, parent, ctx);
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continue;
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}
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if (child.type === "IfBlock") {
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// {#if expr} {/if}
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yield (0, block_1.convertIfBlock)(child, parent, ctx);
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continue;
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}
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if (child.type === "EachBlock") {
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// {#each expr as item, index (key)} {/each}
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yield (0, block_1.convertEachBlock)(child, parent, ctx);
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continue;
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}
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if (child.type === "AwaitBlock") {
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// {#await promise} {:then number} {:catch error} {/await}
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yield (0, block_1.convertAwaitBlock)(child, parent, ctx);
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continue;
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}
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if (child.type === "KeyBlock") {
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// {#key expression}...{/key}
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yield (0, block_1.convertKeyBlock)(child, parent, ctx);
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continue;
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}
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if (child.type === "Window") {
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yield convertWindowElement(child, parent, ctx);
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continue;
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}
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if (child.type === "Body") {
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yield convertBodyElement(child, parent, ctx);
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continue;
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}
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if (child.type === "Head") {
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yield convertHeadElement(child, parent, ctx);
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continue;
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}
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if (child.type === "Title") {
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yield convertTitleElement(child, parent, ctx);
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continue;
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}
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if (child.type === "Options") {
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yield convertOptionsElement(child, parent, ctx);
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continue;
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}
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if (child.type === "SlotTemplate") {
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yield convertSlotTemplateElement(child, parent, ctx);
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continue;
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}
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if (child.type === "DebugTag") {
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yield (0, mustache_1.convertDebugTag)(child, parent, ctx);
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continue;
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}
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if (child.type === "ConstTag") {
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yield (0, const_1.convertConstTag)(child, parent, ctx);
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continue;
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}
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if (child.type === "Document") {
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yield convertDocumentElement(child, parent, ctx);
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continue;
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}
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throw new Error(`Unknown type:${child.type}`);
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}
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}
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exports.convertChildren = convertChildren;
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/** Extract `let:` directives. */
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function extractLetDirectives(fragment) {
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const letDirectives = [];
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const attributes = [];
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for (const attr of fragment.attributes) {
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if (attr.type === "Let") {
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letDirectives.push(attr);
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}
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else {
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attributes.push(attr);
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}
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}
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return { letDirectives, attributes };
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}
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/** Check if children needs a scope. */
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function needScopeByChildren(fragment) {
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for (const child of fragment.children) {
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if (child.type === "ConstTag") {
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return true;
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}
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}
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return false;
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}
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/** Convert for HTML Comment */
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function convertComment(node, parent, ctx) {
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const comment = Object.assign({ type: "SvelteHTMLComment", value: node.data, parent }, ctx.getConvertLocation(node));
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ctx.addToken("HTMLComment", node);
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return comment;
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}
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/** Convert for HTMLElement */
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function convertHTMLElement(node, parent, ctx) {
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var _a, _b;
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const locs = ctx.getConvertLocation(node);
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const element = Object.assign({ type: "SvelteElement", kind: "html", name: null, startTag: {
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type: "SvelteStartTag",
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attributes: [],
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selfClosing: false,
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parent: null,
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range: [locs.range[0], null],
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loc: {
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start: {
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line: locs.loc.start.line,
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column: locs.loc.start.column,
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},
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end: null,
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},
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}, children: [], endTag: null, parent }, locs);
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ctx.elements.set(element, node);
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element.startTag.parent = element;
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const elementName = node.name;
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const { letDirectives, attributes } = extractLetDirectives(node);
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const letParams = [];
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if (letDirectives.length) {
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ctx.letDirCollections.beginExtract();
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element.startTag.attributes.push(...(0, attr_1.convertAttributes)(letDirectives, element.startTag, ctx));
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letParams.push(...ctx.letDirCollections.extract().getLetParams());
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}
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if (!letParams.length && !needScopeByChildren(node)) {
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element.startTag.attributes.push(...(0, attr_1.convertAttributes)(attributes, element.startTag, ctx));
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element.children.push(...convertChildren(node, element, ctx));
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}
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else {
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ctx.scriptLet.nestBlock(element, letParams);
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element.startTag.attributes.push(...(0, attr_1.convertAttributes)(attributes, element.startTag, ctx));
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(0, sort_1.sortNodes)(element.startTag.attributes);
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element.children.push(...convertChildren(node, element, ctx));
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ctx.scriptLet.closeScope();
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}
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extractElementTags(element, ctx, {
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buildNameNode: (openTokenRange) => {
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ctx.addToken("HTMLIdentifier", openTokenRange);
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const name = Object.assign({ type: "SvelteName", name: elementName, parent: element }, ctx.getConvertLocation(openTokenRange));
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return name;
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},
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});
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if (element.name.name === "script" ||
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element.name.name === "style" ||
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(element.name.name === "template" && ctx.findBlock(element))) {
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// Restore the block-like element.
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for (const child of element.children) {
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if (child.type === "SvelteText") {
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child.value = ctx.code.slice(...child.range);
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}
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}
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if (element.name.name === "script") {
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ctx.stripScriptCode(element.startTag.range[1], (_b = (_a = element.endTag) === null || _a === void 0 ? void 0 : _a.range[0]) !== null && _b !== void 0 ? _b : element.range[1]);
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}
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}
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if (element.startTag.selfClosing && element.name.name.endsWith("-")) {
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// Restore the self-closing block.
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const selfClosingBlock = /^[a-z]-+$/iu.test(element.name.name) &&
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ctx.findSelfClosingBlock(element);
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if (selfClosingBlock) {
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element.name.name = selfClosingBlock.originalTag;
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}
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}
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return element;
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}
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/** Convert for Special element. e.g. <svelte:self> */
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function convertSpecialElement(node, parent, ctx) {
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const locs = ctx.getConvertLocation(node);
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const element = Object.assign({ type: "SvelteElement", kind: "special", name: null, startTag: {
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type: "SvelteStartTag",
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attributes: [],
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selfClosing: false,
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parent: null,
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range: [locs.range[0], null],
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loc: {
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start: {
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line: locs.loc.start.line,
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column: locs.loc.start.column,
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},
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end: null,
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},
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}, children: [], endTag: null, parent }, locs);
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ctx.elements.set(element, node);
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element.startTag.parent = element;
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const elementName = node.name;
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const { letDirectives, attributes } = extractLetDirectives(node);
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const letParams = [];
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if (letDirectives.length) {
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ctx.letDirCollections.beginExtract();
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element.startTag.attributes.push(...(0, attr_1.convertAttributes)(letDirectives, element.startTag, ctx));
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letParams.push(...ctx.letDirCollections.extract().getLetParams());
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}
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if (!letParams.length && !needScopeByChildren(node)) {
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element.startTag.attributes.push(...(0, attr_1.convertAttributes)(attributes, element.startTag, ctx));
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element.children.push(...convertChildren(node, element, ctx));
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}
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else {
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ctx.scriptLet.nestBlock(element, letParams);
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element.startTag.attributes.push(...(0, attr_1.convertAttributes)(attributes, element.startTag, ctx));
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(0, sort_1.sortNodes)(element.startTag.attributes);
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element.children.push(...convertChildren(node, element, ctx));
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ctx.scriptLet.closeScope();
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}
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const thisExpression = (node.type === "InlineComponent" &&
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elementName === "svelte:component" &&
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node.expression) ||
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(node.type === "Element" && elementName === "svelte:element" && node.tag);
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if (thisExpression) {
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processThisAttribute(node, thisExpression, element, ctx);
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}
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extractElementTags(element, ctx, {
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buildNameNode: (openTokenRange) => {
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ctx.addToken("HTMLIdentifier", openTokenRange);
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const name = Object.assign({ type: "SvelteName", name: elementName, parent: element }, ctx.getConvertLocation(openTokenRange));
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return name;
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},
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});
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return element;
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}
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/** process `this=` */
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function processThisAttribute(node, thisValue, element, ctx) {
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let thisNode;
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if (typeof thisValue === "string") {
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// this="..."
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const startIndex = findStartIndexOfThis(node, ctx);
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const eqIndex = ctx.code.indexOf("=", startIndex + 4 /* t,h,i,s */);
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const valueStartIndex = (0, common_1.indexOf)(ctx.code, (c) => Boolean(c.trim()), eqIndex + 1);
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const quote = ctx.code.startsWith(thisValue, valueStartIndex)
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? null
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: ctx.code[valueStartIndex];
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const literalStartIndex = quote
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? valueStartIndex + quote.length
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: valueStartIndex;
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const literalEndIndex = literalStartIndex + thisValue.length;
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const endIndex = quote ? literalEndIndex + quote.length : literalEndIndex;
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const thisAttr = Object.assign({ type: "SvelteAttribute", key: null, boolean: false, value: [], parent: element.startTag }, ctx.getConvertLocation({ start: startIndex, end: endIndex }));
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thisAttr.key = Object.assign({ type: "SvelteName", name: "this", parent: thisAttr }, ctx.getConvertLocation({ start: startIndex, end: eqIndex }));
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thisAttr.value.push(Object.assign({ type: "SvelteLiteral", value: thisValue, parent: thisAttr }, ctx.getConvertLocation({
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start: literalStartIndex,
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end: literalEndIndex,
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})));
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// this
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ctx.addToken("HTMLIdentifier", {
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start: startIndex,
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end: startIndex + 4,
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});
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// =
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ctx.addToken("Punctuator", {
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start: eqIndex,
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end: eqIndex + 1,
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});
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if (quote) {
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// "
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ctx.addToken("Punctuator", {
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start: valueStartIndex,
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end: literalStartIndex,
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});
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}
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ctx.addToken("HTMLText", {
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start: literalStartIndex,
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end: literalEndIndex,
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});
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if (quote) {
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// "
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ctx.addToken("Punctuator", {
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start: literalEndIndex,
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end: endIndex,
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});
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}
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thisNode = thisAttr;
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}
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else {
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// this={...}
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const eqIndex = ctx.code.lastIndexOf("=", (0, common_1.getWithLoc)(thisValue).start);
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const startIndex = ctx.code.lastIndexOf("this", eqIndex);
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const closeIndex = ctx.code.indexOf("}", (0, common_1.getWithLoc)(thisValue).end);
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const endIndex = (0, common_1.indexOf)(ctx.code, (c) => c === ">" || !c.trim(), closeIndex);
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const thisDir = Object.assign({ type: "SvelteSpecialDirective", kind: "this", key: null, expression: null, parent: element.startTag }, ctx.getConvertLocation({ start: startIndex, end: endIndex }));
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thisDir.key = Object.assign({ type: "SvelteSpecialDirectiveKey", parent: thisDir }, ctx.getConvertLocation({ start: startIndex, end: eqIndex }));
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// this
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ctx.addToken("HTMLIdentifier", {
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start: startIndex,
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end: startIndex + 4,
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});
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// =
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ctx.addToken("Punctuator", {
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start: eqIndex,
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end: eqIndex + 1,
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});
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ctx.scriptLet.addExpression(thisValue, thisDir, null, (es) => {
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thisDir.expression = es;
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});
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thisNode = thisDir;
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}
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const targetIndex = element.startTag.attributes.findIndex((attr) => thisNode.range[1] <= attr.range[0]);
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if (targetIndex === -1) {
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element.startTag.attributes.push(thisNode);
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}
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else {
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element.startTag.attributes.splice(targetIndex, 0, thisNode);
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}
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}
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/** Find the start index of `this` */
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function findStartIndexOfThis(node, ctx) {
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var _a, _b, _d, _e;
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// Get the end index of `svelte:element`
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const startIndex = ctx.code.indexOf(node.name, node.start) + node.name.length;
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const sortedAttrs = [...node.attributes].sort((a, b) => a.start - b.start);
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// Find the start index of `this` from the end index of `svelte:element`.
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// However, it only seeks to the start index of the first attribute (or the end index of element node).
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let thisIndex = (0, common_1.indexOf)(ctx.code, (_c, index) => ctx.code.startsWith("this", index), startIndex, (_b = (_a = sortedAttrs[0]) === null || _a === void 0 ? void 0 : _a.start) !== null && _b !== void 0 ? _b : node.end);
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while (thisIndex < 0) {
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if (sortedAttrs.length === 0)
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throw new __1.ParseError("Cannot resolved `this` attribute.", thisIndex, ctx);
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// Step3: Find the start index of `this` from the end index of attribute.
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// However, it only seeks to the start index of the first attribute (or the end index of element node).
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const nextStartIndex = sortedAttrs.shift().end;
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thisIndex = (0, common_1.indexOf)(ctx.code, (_c, index) => ctx.code.startsWith("this", index), nextStartIndex, (_e = (_d = sortedAttrs[0]) === null || _d === void 0 ? void 0 : _d.start) !== null && _e !== void 0 ? _e : node.end);
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}
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return thisIndex;
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}
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/** Convert for ComponentElement */
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function convertComponentElement(node, parent, ctx) {
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const locs = ctx.getConvertLocation(node);
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const element = Object.assign({ type: "SvelteElement", kind: "component", name: null, startTag: {
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type: "SvelteStartTag",
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attributes: [],
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selfClosing: false,
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parent: null,
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range: [locs.range[0], null],
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loc: {
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start: {
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line: locs.loc.start.line,
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column: locs.loc.start.column,
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},
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end: null,
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},
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}, children: [], endTag: null, parent }, locs);
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ctx.elements.set(element, node);
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element.startTag.parent = element;
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const elementName = node.name;
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const { letDirectives, attributes } = extractLetDirectives(node);
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const letParams = [];
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if (letDirectives.length) {
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ctx.letDirCollections.beginExtract();
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element.startTag.attributes.push(...(0, attr_1.convertAttributes)(letDirectives, element.startTag, ctx));
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letParams.push(...ctx.letDirCollections.extract().getLetParams());
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}
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if (!letParams.length && !needScopeByChildren(node)) {
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element.startTag.attributes.push(...(0, attr_1.convertAttributes)(attributes, element.startTag, ctx));
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element.children.push(...convertChildren(node, element, ctx));
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}
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else {
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ctx.scriptLet.nestBlock(element, letParams);
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element.startTag.attributes.push(...(0, attr_1.convertAttributes)(attributes, element.startTag, ctx));
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(0, sort_1.sortNodes)(element.startTag.attributes);
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element.children.push(...convertChildren(node, element, ctx));
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ctx.scriptLet.closeScope();
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}
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extractElementTags(element, ctx, {
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buildNameNode: (openTokenRange) => {
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const chains = elementName.split(".");
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const id = chains.shift();
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const idRange = {
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start: openTokenRange.start,
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end: openTokenRange.start + id.length,
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};
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// ctx.addToken("Identifier", idRange)
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const identifier = Object.assign({ type: "Identifier", name: id,
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// @ts-expect-error -- ignore
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parent: element }, ctx.getConvertLocation(idRange));
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let object = identifier;
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// eslint-disable-next-line func-style -- var
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let esCallback = (es) => {
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element.name = es;
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};
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let start = idRange.end + 1;
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for (const name of chains) {
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const range = { start, end: start + name.length };
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ctx.addToken("HTMLIdentifier", range);
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const mem = Object.assign({ type: "SvelteMemberExpressionName", object, property: Object.assign({ type: "SvelteName", name, parent: null }, ctx.getConvertLocation(range)), parent: element }, ctx.getConvertLocation({
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start: openTokenRange.start,
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end: range.end,
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}));
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mem.property.parent = mem;
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object.parent = mem;
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object = mem;
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start = range.end + 1;
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if (mem.object === identifier) {
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esCallback = (es) => {
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mem.object = es;
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};
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}
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}
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ctx.scriptLet.addExpression(identifier, identifier.parent, null, esCallback);
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return object;
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},
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});
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return element;
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}
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/** Convert for Slot */
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function convertSlotElement(node, parent, ctx) {
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// Slot translates to SvelteHTMLElement.
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const element = convertHTMLElement(node, parent, ctx);
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ctx.slots.add(element);
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return element;
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}
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/** Convert for window element. e.g. <svelte:window> */
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function convertWindowElement(node, parent, ctx) {
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return convertSpecialElement(node, parent, ctx);
|
|
}
|
|
/** Convert for document element. e.g. <svelte:document> */
|
|
function convertDocumentElement(node, parent, ctx) {
|
|
return convertSpecialElement(node, parent, ctx);
|
|
}
|
|
/** Convert for body element. e.g. <svelte:body> */
|
|
function convertBodyElement(node, parent, ctx) {
|
|
return convertSpecialElement(node, parent, ctx);
|
|
}
|
|
/** Convert for head element. e.g. <svelte:head> */
|
|
function convertHeadElement(node, parent, ctx) {
|
|
return convertSpecialElement(node, parent, ctx);
|
|
}
|
|
/** Convert for title element. e.g. <title> */
|
|
function convertTitleElement(node, parent, ctx) {
|
|
return convertHTMLElement(node, parent, ctx);
|
|
}
|
|
/** Convert for options element. e.g. <svelte:options> */
|
|
function convertOptionsElement(node, parent, ctx) {
|
|
return convertSpecialElement(node, parent, ctx);
|
|
}
|
|
/** Convert for <svelte:fragment> element. */
|
|
function convertSlotTemplateElement(node, parent, ctx) {
|
|
return convertSpecialElement(node, parent, ctx);
|
|
}
|
|
/** Extract element tag and tokens */
|
|
function extractElementTags(element, ctx, options) {
|
|
var _a, _b;
|
|
const startTagNameEnd = (0, common_1.indexOf)(ctx.code, (c) => c === "/" || c === ">" || !c.trim(), element.range[0] + 1);
|
|
const openTokenRange = {
|
|
start: element.range[0] + 1,
|
|
end: startTagNameEnd,
|
|
};
|
|
element.name = options.buildNameNode(openTokenRange);
|
|
const startTagEnd = ctx.code.indexOf(">", (_b = (_a = element.startTag.attributes[element.startTag.attributes.length - 1]) === null || _a === void 0 ? void 0 : _a.range[1]) !== null && _b !== void 0 ? _b : openTokenRange.end) + 1;
|
|
element.startTag.range[1] = startTagEnd;
|
|
element.startTag.loc.end = ctx.getLocFromIndex(startTagEnd);
|
|
if (ctx.code[element.range[1] - 1] !== ">") {
|
|
// Have not end tag
|
|
return;
|
|
}
|
|
if (ctx.code[element.range[1] - 2] === "/") {
|
|
// self close
|
|
element.startTag.selfClosing = true;
|
|
return;
|
|
}
|
|
const endTagOpen = ctx.code.lastIndexOf("<", element.range[1] - 1);
|
|
if (endTagOpen <= startTagEnd - 1) {
|
|
// void element
|
|
return;
|
|
}
|
|
const endTagNameStart = endTagOpen + 2;
|
|
const endTagNameEnd = (0, common_1.indexOf)(ctx.code, (c) => c === ">" || !c.trim(), endTagNameStart);
|
|
const endTagClose = ctx.code.indexOf(">", endTagNameEnd);
|
|
element.endTag = Object.assign({ type: "SvelteEndTag", parent: element }, ctx.getConvertLocation({ start: endTagOpen, end: endTagClose + 1 }));
|
|
ctx.addToken("HTMLIdentifier", {
|
|
start: endTagNameStart,
|
|
end: endTagNameEnd,
|
|
});
|
|
}
|
|
exports.extractElementTags = extractElementTags;
|