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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 4397x 4397x 4397x 1x 1x 4395x 4395x 4395x 4395x 4395x 4395x 4395x 4395x 4395x 4395x 4397x 4395x 4395x 4395x 4395x 4395x 4395x 4395x 4397x 144x 144x 144x 2x 2x 144x 144x 75x 75x 75x 75x 144x 144x 6x 6x 6x 6x 6x 1x 1x 5x 5x 5x 5x 5x 144x 4394x 4394x 4394x 4394x 4394x 4394x 4394x 4394x 4394x 4394x 4394x 4394x | /** @import { Program } from 'estree' */ /** @import { Attribute, SpreadAttribute, Directive, Script } from '#compiler' */ /** @import { Parser } from '../index.js' */ import * as acorn from '../acorn.js'; import { regex_not_newline_characters } from '../../patterns.js'; import * as e from '../../../errors.js'; import * as w from '../../../warnings.js'; import { is_text_attribute } from '../../../utils/ast.js'; const regex_closing_script_tag = /<\/script\s*>/; const regex_starts_with_closing_script_tag = /^<\/script\s*>/; const RESERVED_ATTRIBUTES = ['server', 'client', 'worker', 'test', 'default']; const ALLOWED_ATTRIBUTES = ['context', 'generics', 'lang', 'module']; /** * @param {Parser} parser * @param {number} start * @param {Array<Attribute | SpreadAttribute | Directive>} attributes * @returns {Script} */ export function read_script(parser, start, attributes) { const script_start = parser.index; const data = parser.read_until(regex_closing_script_tag); if (parser.index >= parser.template.length) { e.element_unclosed(parser.template.length, 'script'); } const source = parser.template.slice(0, script_start).replace(regex_not_newline_characters, ' ') + data; parser.read(regex_starts_with_closing_script_tag); /** @type {Program} */ let ast; try { ast = acorn.parse(source, parser.ts); } catch (err) { parser.acorn_error(err); } // TODO is this necessary? ast.start = script_start; /** @type {'default' | 'module'} */ let context = 'default'; for (const attribute of /** @type {Attribute[]} */ (attributes)) { if (RESERVED_ATTRIBUTES.includes(attribute.name)) { e.script_reserved_attribute(attribute, attribute.name); } if (!ALLOWED_ATTRIBUTES.includes(attribute.name)) { w.script_unknown_attribute(attribute); } if (attribute.name === 'module') { if (attribute.value !== true) { // Deliberately a generic code to future-proof for potential other attributes e.script_invalid_attribute_value(attribute, attribute.name); } context = 'module'; } if (attribute.name === 'context') { if (attribute.value === true || !is_text_attribute(attribute)) { e.script_invalid_context(attribute); } const value = attribute.value[0].data; if (value !== 'module') { e.script_invalid_context(attribute); } w.script_context_deprecated(attribute); context = 'module'; } } return { type: 'Script', start, end: parser.index, context, content: ast, parent: null, // @ts-ignore attributes }; } |