Press n or j to go to the next uncovered block, b, p or k for the previous block.
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778 779 780 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 66x 66x 66x 107x 107x 107x 107x 2x 2x 743x 743x 743x 743x 1576x 1576x 360x 360x 360x 1576x 2x 2x 1576x 741x 741x 2x 2x 2x 2x 2x 2x 2x 23944x 23944x 23944x 23944x 23944x 236x 236x 236x 236x 236x 236x 236x 236x 236x 236x 236x 236x 236x 23708x 23708x 23708x 23708x 23708x 23944x 202x 62x 62x 7x 62x 2x 2x 2x 2x 2x 193x 140x 1x 1x 139x 140x 2x 2x 137x 137x 137x 202x 23700x 23700x 23944x 23944x 22996x 22996x 21331x 21331x 21265x 21265x 23944x 23944x 23944x 23944x 23944x 23944x 23944x 20524x 20524x 20524x 20524x 20524x 20524x 20524x 20524x 20524x 20524x 20524x 20524x 23944x 3176x 3176x 3176x 3176x 3176x 3176x 3176x 3176x 3176x 3176x 23944x 23944x 23944x 23944x 23944x 8639x 1x 1x 8638x 8638x 8638x 8638x 8639x 6x 3x 1x 3x 2x 2x 3x 3x 3x 3x 3x 3x 3x 8635x 8635x 8635x 8635x 8639x 2x 2x 8635x 8635x 23944x 4x 4x 4x 4x 4x 4x 4x 4x 15061x 15061x 15061x 15061x 15061x 15061x 23944x 23944x 23944x 23944x 23944x 23944x 8563x 6497x 3x 3x 6497x 6057x 6057x 6497x 8560x 8560x 8560x 8560x 15047x 23944x 86x 86x 86x 86x 86x 86x 86x 86x 86x 86x 86x 86x 86x 86x 86x 86x 86x 15047x 23944x 142x 142x 142x 142x 142x 1x 1x 141x 141x 141x 141x 142x 1x 1x 140x 140x 140x 142x 142x 142x 15045x 23944x 4393x 4393x 4393x 4393x 4393x 748x 748x 748x 748x 748x 5x 5x 748x 307x 307x 748x 4393x 4393x 3993x 3993x 4x 4x 4x 4x 4x 3990x 3993x 66x 65x 3993x 3924x 3923x 3923x 4393x 400x 400x 400x 400x 390x 390x 4378x 4378x 10652x 10652x 10652x 23944x 23944x 23944x 23944x 23944x 1931x 1931x 23944x 54x 54x 54x 54x 54x 54x 54x 54x 8721x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 13x 8667x 8654x 8654x 8654x 23944x 2x 2x 2x 2x 23708x 23708x 23708x 23708x 21x 21x 21x 21x 21x 21x 24x 24x 24x 24x 24x 4x 24x 20x 20x 20x 24x 21x 21x 1x 1x 20x 20x 20x 23687x 23708x 23708x 23338x 23708x 23200x 23200x 23200x 23708x 22997x 23708x 1x 1x 1x 22996x 23708x 22996x 22996x 22996x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 4508x 4508x 4508x 4508x 4508x 115x 115x 115x 115x 115x 115x 115x 115x 115x 115x 115x 115x 115x 114x 114x 115x 115x 115x 115x 115x 115x 115x 115x 115x 115x 115x 115x 115x 4014x 115x 115x 115x 2x 2x 2x 2x 2x 19113x 19113x 19113x 19113x 786x 786x 786x 261x 261x 261x 261x 261x 261x 261x 261x 261x 261x 261x 261x 261x 261x 261x 261x 261x 261x 261x 783x 525x 525x 525x 525x 1x 1x 523x 523x 523x 523x 523x 523x 523x 523x 523x 523x 523x 523x 523x 523x 523x 523x 523x 523x 523x 523x 523x 523x 523x 523x 786x 18327x 18327x 19113x 7672x 7672x 7672x 7672x 7672x 7672x 19113x 19113x 19113x 19113x 19113x 6839x 6839x 6839x 19113x 1x 1x 7667x 19113x 2729x 2729x 2729x 2x 2x 2727x 2729x 75x 75x 75x 75x 75x 75x 75x 75x 75x 75x 75x 75x 75x 2652x 2729x 2729x 2729x 2729x 1928x 1928x 1928x 1x 1928x 1927x 1927x 1928x 2651x 2651x 2651x 2651x 2651x 2651x 2651x 2651x 2651x 2651x 2651x 2651x 2729x 51x 51x 51x 51x 2651x 2729x 287x 287x 287x 287x 2651x 2651x 2651x 2729x 972x 2729x 194x 194x 194x 194x 194x 194x 194x 2651x 2651x 2651x 4938x 4938x 4938x 2x 2x 2x 2x 2x 2743x 2743x 2743x 2743x 2731x 2729x 2671x 2644x 2743x 14x 14x 2x 2x 2x 2x 6839x 6839x 6839x 34x 34x 34x 34x 34x 34x 34x 34x 34x 34x 34x 6805x 6805x 6805x 6805x 6805x 6805x 29948x 29948x 6069x 6805x 6805x 6805x 6839x 3x 1x 1x 1x 1x 1x 1x 1x 1x 1x 2x 2x 6802x 6839x 1x 1x 6801x 6839x 6801x 6801x 2x 2x 2x 2x 2x 2x 2x 6859x 6859x 6859x 6859x 6859x 6859x 6859x 6859x 6859x 6859x 6859x 6859x 6859x 6859x 6859x 6859x 10415x 3410x 3410x 3410x 3410x 10415x 6859x 6859x 30649x 30649x 30649x 6854x 6854x 30623x 3565x 2x 2x 2x 2x 3565x 2x 2x 2x 2x 2x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 3561x 23795x 20230x 20230x 30649x | import { is_void } from '../utils/names.js'; import read_expression from '../read/expression.js'; import { read_script } from '../read/script.js'; import read_style from '../read/style.js'; import { closing_tag_omitted, decode_character_references } from '../utils/html.js'; import * as e from '../../../errors.js'; import { create_fragment } from '../utils/create.js'; import { create_attribute } from '../../nodes.js'; // eslint-disable-next-line no-useless-escape const valid_tag_name = /^\!?[a-zA-Z]{1,}:?[a-zA-Z0-9\-]*/; /** Invalid attribute characters if the attribute is not surrounded by quotes */ const regex_starts_with_invalid_attr_value = /^(\/>|[\s"'=<>`])/; /** @type {Map<string, import('#compiler').SvelteNode['type']>} */ const root_only_meta_tags = new Map([ ['svelte:head', 'SvelteHead'], ['svelte:options', 'SvelteOptions'], ['svelte:window', 'SvelteWindow'], ['svelte:document', 'SvelteDocument'], ['svelte:body', 'SvelteBody'] ]); /** @type {Map<string, import('#compiler').SvelteNode['type']>} */ const meta_tags = new Map([ ...root_only_meta_tags, ['svelte:element', 'SvelteElement'], ['svelte:component', 'SvelteComponent'], ['svelte:self', 'SvelteSelf'], ['svelte:fragment', 'SvelteFragment'] ]); const valid_meta_tags = Array.from(meta_tags.keys()); const SELF = /^svelte:self(?=[\s/>])/; const COMPONENT = /^svelte:component(?=[\s/>])/; const SLOT = /^svelte:fragment(?=[\s/>])/; const ELEMENT = /^svelte:element(?=[\s/>])/; /** @param {import('#compiler').TemplateNode[]} stack */ function parent_is_head(stack) { let i = stack.length; while (i--) { const { type } = stack[i]; if (type === 'SvelteHead') return true; if (type === 'RegularElement' || type === 'Component') return false; } return false; } /** @param {import('#compiler').TemplateNode[]} stack */ function parent_is_shadowroot_template(stack) { // https://developer.chrome.com/docs/css-ui/declarative-shadow-dom#building_a_declarative_shadow_root let i = stack.length; while (i--) { if ( stack[i].type === 'RegularElement' && /** @type {import('#compiler').RegularElement} */ (stack[i]).attributes.some( (a) => a.type === 'Attribute' && a.name === 'shadowrootmode' ) ) { return true; } } return false; } const regex_closing_textarea_tag = /^<\/textarea(\s[^>]*)?>/i; const regex_closing_comment = /-->/; const regex_capital_letter = /[A-Z]/; /** @param {import('../index.js').Parser} parser */ export default function tag(parser) { const start = parser.index++; let parent = parser.current(); if (parser.eat('!--')) { const data = parser.read_until(regex_closing_comment); parser.eat('-->', true); /** @type {ReturnType<typeof parser.append<import('#compiler').Comment>>} */ parser.append({ type: 'Comment', start, end: parser.index, data }); return; } const is_closing_tag = parser.eat('/'); const name = read_tag_name(parser); if (root_only_meta_tags.has(name)) { if (is_closing_tag) { if ( ['svelte:options', 'svelte:window', 'svelte:body', 'svelte:document'].includes(name) && /** @type {import('#compiler').ElementLike} */ (parent).fragment.nodes.length ) { e.svelte_meta_invalid_content( /** @type {import('#compiler').ElementLike} */ (parent).fragment.nodes[0].start, name ); } } else { if (name in parser.meta_tags) { e.svelte_meta_duplicate(start, name); } if (parent.type !== 'Root') { e.svelte_meta_invalid_placement(start, name); } parser.meta_tags[name] = true; } } const type = meta_tags.has(name) ? meta_tags.get(name) : regex_capital_letter.test(name[0]) || name === 'svelte:self' || name === 'svelte:component' ? 'Component' : name === 'title' && parent_is_head(parser.stack) ? 'TitleElement' : // TODO Svelte 6/7: once slots are removed in favor of snippets, always keep slot as a regular element name === 'slot' && !parent_is_shadowroot_template(parser.stack) ? 'SlotElement' : 'RegularElement'; /** @type {import('#compiler').ElementLike} */ // @ts-expect-error TODO can't figure out this error const element = type === 'RegularElement' ? { type: /** @type {import('#compiler').ElementLike['type']} */ (type), start, end: -1, name, attributes: [], fragment: create_fragment(true), metadata: { svg: false, has_spread: false }, parent: null } : { type: /** @type {import('#compiler').ElementLike['type']} */ (type), start, end: -1, name, attributes: [], fragment: create_fragment(true), parent: null, metadata: { svg: false } }; parser.allow_whitespace(); if (is_closing_tag) { if (is_void(name)) { e.void_element_invalid_content(start); } parser.eat('>', true); // close any elements that don't have their own closing tags, e.g. <div><p></div> while (/** @type {import('#compiler').RegularElement} */ (parent).name !== name) { if (parent.type !== 'RegularElement') { if (parser.last_auto_closed_tag && parser.last_auto_closed_tag.tag === name) { e.element_invalid_closing_tag_autoclosed(start, name, parser.last_auto_closed_tag.reason); } else { e.element_invalid_closing_tag(start, name); } } parent.end = start; parser.pop(); parent = parser.current(); } parent.end = parser.index; parser.pop(); if (parser.last_auto_closed_tag && parser.stack.length < parser.last_auto_closed_tag.depth) { parser.last_auto_closed_tag = undefined; } return; } else if (parent.type === 'RegularElement' && closing_tag_omitted(parent.name, name)) { parent.end = start; parser.pop(); parser.last_auto_closed_tag = { tag: parent.name, reason: name, depth: parser.stack.length }; } /** @type {string[]} */ const unique_names = []; const current = parser.current(); const is_top_level_script_or_style = (name === 'script' || name === 'style') && current.type === 'Root'; const read = is_top_level_script_or_style ? read_static_attribute : read_attribute; let attribute; while ((attribute = read(parser))) { if (attribute.type === 'Attribute' || attribute.type === 'BindDirective') { if (unique_names.includes(attribute.name)) { e.attribute_duplicate(attribute.start); // <svelte:element bind:this this=..> is allowed } else if (attribute.name !== 'this') { unique_names.push(attribute.name); } } element.attributes.push(attribute); parser.allow_whitespace(); } if (element.type === 'SvelteComponent') { const index = element.attributes.findIndex( /** @param {any} attr */ (attr) => attr.type === 'Attribute' && attr.name === 'this' ); if (index === -1) { e.svelte_component_missing_this(start); } const definition = /** @type {import('#compiler').Attribute} */ ( element.attributes.splice(index, 1)[0] ); if ( definition.value === true || definition.value.length !== 1 || definition.value[0].type === 'Text' ) { e.svelte_component_invalid_this(definition.start); } element.expression = definition.value[0].expression; } if (element.type === 'SvelteElement') { const index = element.attributes.findIndex( /** @param {any} attr */ (attr) => attr.type === 'Attribute' && attr.name === 'this' ); if (index === -1) { e.svelte_element_missing_this(start); } const definition = /** @type {import('#compiler').Attribute} */ ( element.attributes.splice(index, 1)[0] ); if (definition.value === true || definition.value.length !== 1) { e.svelte_element_invalid_this(definition.start); } const chunk = definition.value[0]; element.tag = chunk.type === 'Text' ? { type: 'Literal', value: chunk.data, raw: `'${chunk.raw}'` } : chunk.expression; } if (is_top_level_script_or_style) { parser.eat('>', true); /** @type {import('#compiler').Comment | null} */ let prev_comment = null; for (let i = current.fragment.nodes.length - 1; i >= 0; i--) { const node = current.fragment.nodes[i]; if (i === current.fragment.nodes.length - 1 && node.end !== start) { break; } if (node.type === 'Comment') { prev_comment = node; break; } else if (node.type !== 'Text' || node.data.trim()) { break; } } if (name === 'script') { const content = read_script(parser, start, element.attributes); if (prev_comment) { // We take advantage of the fact that the root will never have leadingComments set, // and set the previous comment to it so that the warning mechanism can later // inspect the root and see if there was a html comment before it silencing specific warnings. content.content.leadingComments = [{ type: 'Line', value: prev_comment.data }]; } if (content.context === 'module') { if (current.module) e.script_duplicate(start); current.module = content; } else { if (current.instance) e.script_duplicate(start); current.instance = content; } } else { const content = read_style(parser, start, element.attributes); content.content.comment = prev_comment; if (current.css) e.style_duplicate(start); current.css = content; } return; } parser.append(element); const self_closing = parser.eat('/') || is_void(name); parser.eat('>', true); if (self_closing) { // don't push self-closing elements onto the stack element.end = parser.index; } else if (name === 'textarea') { // special case element.fragment.nodes = read_sequence( parser, () => regex_closing_textarea_tag.test(parser.template.slice(parser.index)), 'inside <textarea>' ); parser.read(regex_closing_textarea_tag); element.end = parser.index; } else if (name === 'script' || name === 'style') { // special case const start = parser.index; const data = parser.read_until(new RegExp(`</${name}>`)); const end = parser.index; /** @type {import('#compiler').Text} */ const node = { start, end, type: 'Text', data, raw: data, parent: null }; element.fragment.nodes.push(node); parser.eat(`</${name}>`, true); element.end = parser.index; } else { parser.stack.push(element); parser.fragments.push(element.fragment); } } const regex_whitespace_or_slash_or_closing_tag = /(\s|\/|>)/; /** @param {import('../index.js').Parser} parser */ function read_tag_name(parser) { const start = parser.index; if (parser.read(SELF)) { // check we're inside a block, otherwise this // will cause infinite recursion let i = parser.stack.length; let legal = false; while (i--) { const fragment = parser.stack[i]; if ( fragment.type === 'IfBlock' || fragment.type === 'EachBlock' || fragment.type === 'Component' || fragment.type === 'SnippetBlock' ) { legal = true; break; } } if (!legal) { e.svelte_self_invalid_placement(start); } return 'svelte:self'; } if (parser.read(COMPONENT)) return 'svelte:component'; if (parser.read(ELEMENT)) return 'svelte:element'; if (parser.read(SLOT)) return 'svelte:fragment'; const name = parser.read_until(regex_whitespace_or_slash_or_closing_tag); if (meta_tags.has(name)) return name; if (name.startsWith('svelte:')) { const list = `${valid_meta_tags.slice(0, -1).join(', ')} or ${valid_meta_tags[valid_meta_tags.length - 1]}`; e.svelte_meta_invalid_tag(start, list); } if (!valid_tag_name.test(name)) { e.element_invalid_tag_name(start); } return name; } // eslint-disable-next-line no-useless-escape const regex_token_ending_character = /[\s=\/>"']/; const regex_starts_with_quote_characters = /^["']/; const regex_attribute_value = /^(?:"([^"]*)"|'([^'])*'|([^>\s]+))/; /** * @param {import('../index.js').Parser} parser * @returns {import('#compiler').Attribute | null} */ function read_static_attribute(parser) { const start = parser.index; const name = parser.read_until(regex_token_ending_character); if (!name) return null; /** @type {true | Array<import('#compiler').Text | import('#compiler').ExpressionTag>} */ let value = true; if (parser.eat('=')) { parser.allow_whitespace(); let raw = parser.match_regex(regex_attribute_value); if (!raw) { e.expected_attribute_value(parser.index); } parser.index += raw.length; const quoted = raw[0] === '"' || raw[0] === "'"; if (quoted) { raw = raw.slice(1, -1); } value = [ { start: parser.index - raw.length - (quoted ? 1 : 0), end: quoted ? parser.index - 1 : parser.index, type: 'Text', raw: raw, data: decode_character_references(raw, true), parent: null } ]; } if (parser.match_regex(regex_starts_with_quote_characters)) { e.expected_token(parser.index, '='); } return create_attribute(name, start, parser.index, value); } /** * @param {import('../index.js').Parser} parser * @returns {import('#compiler').Attribute | import('#compiler').SpreadAttribute | import('#compiler').Directive | null} */ function read_attribute(parser) { const start = parser.index; if (parser.eat('{')) { parser.allow_whitespace(); if (parser.eat('...')) { const expression = read_expression(parser); parser.allow_whitespace(); parser.eat('}', true); /** @type {import('#compiler').SpreadAttribute} */ const spread = { type: 'SpreadAttribute', start, end: parser.index, expression, parent: null, metadata: { contains_call_expression: false, dynamic: false } }; return spread; } else { const value_start = parser.index; const name = parser.read_identifier(); if (name === null) { e.attribute_empty_shorthand(start); } parser.allow_whitespace(); parser.eat('}', true); /** @type {import('#compiler').ExpressionTag} */ const expression = { type: 'ExpressionTag', start: value_start, end: value_start + name.length, expression: { start: value_start, end: value_start + name.length, type: 'Identifier', name }, parent: null, metadata: { dynamic: false, contains_call_expression: false } }; return create_attribute(name, start, parser.index, [expression]); } } const name = parser.read_until(regex_token_ending_character); if (!name) return null; let end = parser.index; parser.allow_whitespace(); const colon_index = name.indexOf(':'); const type = colon_index !== -1 && get_directive_type(name.slice(0, colon_index)); /** @type {true | Array<import('#compiler').Text | import('#compiler').ExpressionTag>} */ let value = true; if (parser.eat('=')) { parser.allow_whitespace(); value = read_attribute_value(parser); end = parser.index; } else if (parser.match_regex(regex_starts_with_quote_characters)) { e.expected_token(parser.index, '='); } if (type) { const [directive_name, ...modifiers] = name.slice(colon_index + 1).split('|'); if (directive_name === '') { e.directive_missing_name({ start, end: start + colon_index + 1 }, name); } if (type === 'StyleDirective') { return { start, end, type, name: directive_name, modifiers: /** @type {Array<'important'>} */ (modifiers), value, parent: null, metadata: { dynamic: false } }; } const first_value = value === true ? undefined : value[0]; let expression = null; if (first_value) { const attribute_contains_text = /** @type {any[]} */ (value).length > 1 || first_value.type === 'Text'; if (attribute_contains_text) { e.directive_invalid_value(/** @type {number} */ (first_value.start)); } else { expression = first_value.expression; } } /** @type {import('#compiler').Directive} */ // @ts-expect-error TODO can't figure out this error const directive = { start, end, type, name: directive_name, modifiers, expression }; if (directive.type === 'ClassDirective') { directive.metadata = { dynamic: false }; } if (directive.type === 'TransitionDirective') { const direction = name.slice(0, colon_index); directive.intro = direction === 'in' || direction === 'transition'; directive.outro = direction === 'out' || direction === 'transition'; } // Directive name is expression, e.g. <p class:isRed /> if ( (directive.type === 'BindDirective' || directive.type === 'ClassDirective') && !directive.expression ) { directive.expression = /** @type {any} */ ({ start: start + colon_index + 1, end, type: 'Identifier', name: directive.name }); } return directive; } return create_attribute(name, start, end, value); } /** * @param {string} name * @returns {any} */ function get_directive_type(name) { if (name === 'use') return 'UseDirective'; if (name === 'animate') return 'AnimateDirective'; if (name === 'bind') return 'BindDirective'; if (name === 'class') return 'ClassDirective'; if (name === 'style') return 'StyleDirective'; if (name === 'on') return 'OnDirective'; if (name === 'let') return 'LetDirective'; if (name === 'in' || name === 'out' || name === 'transition') return 'TransitionDirective'; return false; } /** * @param {import('../index.js').Parser} parser */ function read_attribute_value(parser) { const quote_mark = parser.eat("'") ? "'" : parser.eat('"') ? '"' : null; if (quote_mark && parser.eat(quote_mark)) { return [ { start: parser.index - 1, end: parser.index - 1, type: 'Text', raw: '', data: '', parent: null } ]; } let value; try { value = read_sequence( parser, () => { // handle common case of quote marks existing outside of regex for performance reasons if (quote_mark) return parser.match(quote_mark); return !!parser.match_regex(regex_starts_with_invalid_attr_value); }, 'in attribute value' ); } catch (/** @type {any} */ error) { if (error.code === 'js_parse_error') { // if the attribute value didn't close + self-closing tag // eg: `<Component test={{a:1} />` // acorn may throw a `Unterminated regular expression` because of `/>` const pos = error.position?.[0]; if (pos !== undefined && parser.template.slice(pos - 1, pos + 1) === '/>') { parser.index = pos; e.expected_token(pos, quote_mark || '}'); } } throw error; } if (value.length === 0 && !quote_mark) { e.expected_attribute_value(parser.index); } if (quote_mark) parser.index += 1; return value; } /** * @param {import('../index.js').Parser} parser * @param {() => boolean} done * @param {string} location * @returns {any[]} */ function read_sequence(parser, done, location) { /** @type {import('#compiler').Text} */ let current_chunk = { start: parser.index, end: -1, type: 'Text', raw: '', data: '', parent: null }; /** @type {Array<import('#compiler').Text | import('#compiler').ExpressionTag>} */ const chunks = []; /** @param {number} end */ function flush(end) { if (current_chunk.raw) { current_chunk.data = decode_character_references(current_chunk.raw, true); current_chunk.end = end; chunks.push(current_chunk); } } while (parser.index < parser.template.length) { const index = parser.index; if (done()) { flush(parser.index); return chunks; } else if (parser.eat('{')) { if (parser.match('#')) { const index = parser.index - 1; parser.eat('#'); const name = parser.read_until(/[^a-z]/); e.block_invalid_placement(index, name, location); } else if (parser.match('@')) { const index = parser.index - 1; parser.eat('@'); const name = parser.read_until(/[^a-z]/); e.tag_invalid_placement(index, name, location); } flush(parser.index - 1); parser.allow_whitespace(); const expression = read_expression(parser); parser.allow_whitespace(); parser.eat('}', true); /** @type {import('#compiler').ExpressionTag} */ const chunk = { type: 'ExpressionTag', start: index, end: parser.index, expression, parent: null, metadata: { contains_call_expression: false, dynamic: false } }; chunks.push(chunk); current_chunk = { start: parser.index, end: -1, type: 'Text', raw: '', data: '', parent: null }; } else { current_chunk.raw += parser.template[parser.index++]; } } e.unexpected_eof(parser.template.length); } |