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Diffstat (limited to 'node_modules/webpack/lib/Template.js')
-rw-r--r-- | node_modules/webpack/lib/Template.js | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/node_modules/webpack/lib/Template.js b/node_modules/webpack/lib/Template.js deleted file mode 100644 index 0543957..0000000 --- a/node_modules/webpack/lib/Template.js +++ /dev/null @@ -1,291 +0,0 @@ -/* - MIT License http://www.opensource.org/licenses/mit-license.php - Author Tobias Koppers @sokra -*/ -/** @typedef {import("./Module")} Module */ -/** @typedef {import("./Chunk")} Chunk */ -/** @typedef {import("./ModuleTemplate")} ModuleTemplate */ -/** @typedef {import("webpack-sources").ConcatSource} ConcatSource */ - -const { ConcatSource } = require("webpack-sources"); -const HotUpdateChunk = require("./HotUpdateChunk"); - -const START_LOWERCASE_ALPHABET_CODE = "a".charCodeAt(0); -const START_UPPERCASE_ALPHABET_CODE = "A".charCodeAt(0); -const DELTA_A_TO_Z = "z".charCodeAt(0) - START_LOWERCASE_ALPHABET_CODE + 1; -const FUNCTION_CONTENT_REGEX = /^function\s?\(\)\s?\{\r?\n?|\r?\n?\}$/g; -const INDENT_MULTILINE_REGEX = /^\t/gm; -const LINE_SEPARATOR_REGEX = /\r?\n/g; -const IDENTIFIER_NAME_REPLACE_REGEX = /^([^a-zA-Z$_])/; -const IDENTIFIER_ALPHA_NUMERIC_NAME_REPLACE_REGEX = /[^a-zA-Z0-9$]+/g; -const COMMENT_END_REGEX = /\*\//g; -const PATH_NAME_NORMALIZE_REPLACE_REGEX = /[^a-zA-Z0-9_!§$()=\-^°]+/g; -const MATCH_PADDED_HYPHENS_REPLACE_REGEX = /^-|-$/g; - -/** @typedef {import("webpack-sources").Source} Source */ - -/** - * @typedef {Object} HasId - * @property {number | string} id - */ - -/** - * @typedef {function(Module, number): boolean} ModuleFilterPredicate - */ - -/** - * @param {HasId} a first id object to be sorted - * @param {HasId} b second id object to be sorted against - * @returns {-1|0|1} the sort value - */ -const stringifyIdSortPredicate = (a, b) => { - const aId = a.id + ""; - const bId = b.id + ""; - if (aId < bId) return -1; - if (aId > bId) return 1; - return 0; -}; - -class Template { - /** - * - * @param {Function} fn a runtime function (.runtime.js) "template" - * @returns {string} the updated and normalized function string - */ - static getFunctionContent(fn) { - return fn - .toString() - .replace(FUNCTION_CONTENT_REGEX, "") - .replace(INDENT_MULTILINE_REGEX, "") - .replace(LINE_SEPARATOR_REGEX, "\n"); - } - - /** - * @param {string} str the string converted to identifier - * @returns {string} created identifier - */ - static toIdentifier(str) { - if (typeof str !== "string") return ""; - return str - .replace(IDENTIFIER_NAME_REPLACE_REGEX, "_$1") - .replace(IDENTIFIER_ALPHA_NUMERIC_NAME_REPLACE_REGEX, "_"); - } - /** - * - * @param {string} str string to be converted to commented in bundle code - * @returns {string} returns a commented version of string - */ - static toComment(str) { - if (!str) return ""; - return `/*! ${str.replace(COMMENT_END_REGEX, "* /")} */`; - } - - /** - * - * @param {string} str string to be converted to "normal comment" - * @returns {string} returns a commented version of string - */ - static toNormalComment(str) { - if (!str) return ""; - return `/* ${str.replace(COMMENT_END_REGEX, "* /")} */`; - } - - /** - * @param {string} str string path to be normalized - * @returns {string} normalized bundle-safe path - */ - static toPath(str) { - if (typeof str !== "string") return ""; - return str - .replace(PATH_NAME_NORMALIZE_REPLACE_REGEX, "-") - .replace(MATCH_PADDED_HYPHENS_REPLACE_REGEX, ""); - } - - // map number to a single character a-z, A-Z or <_ + number> if number is too big - /** - * - * @param {number} n number to convert to ident - * @returns {string} returns single character ident - */ - static numberToIdentifer(n) { - // lower case - if (n < DELTA_A_TO_Z) { - return String.fromCharCode(START_LOWERCASE_ALPHABET_CODE + n); - } - - // upper case - if (n < DELTA_A_TO_Z * 2) { - return String.fromCharCode( - START_UPPERCASE_ALPHABET_CODE + n - DELTA_A_TO_Z - ); - } - - // use multiple letters - return ( - Template.numberToIdentifer(n % (2 * DELTA_A_TO_Z)) + - Template.numberToIdentifer(Math.floor(n / (2 * DELTA_A_TO_Z))) - ); - } - - /** - * - * @param {string | string[]} s string to convert to identity - * @returns {string} converted identity - */ - static indent(s) { - if (Array.isArray(s)) { - return s.map(Template.indent).join("\n"); - } else { - const str = s.trimRight(); - if (!str) return ""; - const ind = str[0] === "\n" ? "" : "\t"; - return ind + str.replace(/\n([^\n])/g, "\n\t$1"); - } - } - - /** - * - * @param {string|string[]} s string to create prefix for - * @param {string} prefix prefix to compose - * @returns {string} returns new prefix string - */ - static prefix(s, prefix) { - const str = Template.asString(s).trim(); - if (!str) return ""; - const ind = str[0] === "\n" ? "" : prefix; - return ind + str.replace(/\n([^\n])/g, "\n" + prefix + "$1"); - } - - /** - * - * @param {string|string[]} str string or string collection - * @returns {string} returns a single string from array - */ - static asString(str) { - if (Array.isArray(str)) { - return str.join("\n"); - } - return str; - } - - /** - * @typedef {Object} WithId - * @property {string|number} id - */ - - /** - * @param {WithId[]} modules a collection of modules to get array bounds for - * @returns {[number, number] | false} returns the upper and lower array bounds - * or false if not every module has a number based id - */ - static getModulesArrayBounds(modules) { - let maxId = -Infinity; - let minId = Infinity; - for (const module of modules) { - if (typeof module.id !== "number") return false; - if (maxId < module.id) maxId = /** @type {number} */ (module.id); - if (minId > module.id) minId = /** @type {number} */ (module.id); - } - if (minId < 16 + ("" + minId).length) { - // add minId x ',' instead of 'Array(minId).concat(…)' - minId = 0; - } - const objectOverhead = modules - .map(module => (module.id + "").length + 2) - .reduce((a, b) => a + b, -1); - const arrayOverhead = - minId === 0 ? maxId : 16 + ("" + minId).length + maxId; - return arrayOverhead < objectOverhead ? [minId, maxId] : false; - } - - /** - * @param {Chunk} chunk chunk whose modules will be rendered - * @param {ModuleFilterPredicate} filterFn function used to filter modules from chunk to render - * @param {ModuleTemplate} moduleTemplate ModuleTemplate instance used to render modules - * @param {TODO | TODO[]} dependencyTemplates templates needed for each module to render dependencies - * @param {string=} prefix applying prefix strings - * @returns {ConcatSource} rendered chunk modules in a Source object - */ - static renderChunkModules( - chunk, - filterFn, - moduleTemplate, - dependencyTemplates, - prefix = "" - ) { - const source = new ConcatSource(); - const modules = chunk.getModules().filter(filterFn); - let removedModules; - if (chunk instanceof HotUpdateChunk) { - removedModules = chunk.removedModules; - } - if ( - modules.length === 0 && - (!removedModules || removedModules.length === 0) - ) { - source.add("[]"); - return source; - } - /** @type {{id: string|number, source: Source|string}[]} */ - const allModules = modules.map(module => { - return { - id: module.id, - source: moduleTemplate.render(module, dependencyTemplates, { - chunk - }) - }; - }); - if (removedModules && removedModules.length > 0) { - for (const id of removedModules) { - allModules.push({ - id, - source: "false" - }); - } - } - const bounds = Template.getModulesArrayBounds(allModules); - if (bounds) { - // Render a spare array - const minId = bounds[0]; - const maxId = bounds[1]; - if (minId !== 0) { - source.add(`Array(${minId}).concat(`); - } - source.add("[\n"); - /** @type {Map<string|number, {id: string|number, source: Source|string}>} */ - const modules = new Map(); - for (const module of allModules) { - modules.set(module.id, module); - } - for (let idx = minId; idx <= maxId; idx++) { - const module = modules.get(idx); - if (idx !== minId) { - source.add(",\n"); - } - source.add(`/* ${idx} */`); - if (module) { - source.add("\n"); - source.add(module.source); - } - } - source.add("\n" + prefix + "]"); - if (minId !== 0) { - source.add(")"); - } - } else { - // Render an object - source.add("{\n"); - allModules.sort(stringifyIdSortPredicate).forEach((module, idx) => { - if (idx !== 0) { - source.add(",\n"); - } - source.add(`\n/***/ ${JSON.stringify(module.id)}:\n`); - source.add(module.source); - }); - source.add(`\n\n${prefix}}`); - } - return source; - } -} - -module.exports = Template; |