diff options
Diffstat (limited to 'node_modules/webpack/lib/dependencies/ContextDependencyHelpers.js')
| -rw-r--r-- | node_modules/webpack/lib/dependencies/ContextDependencyHelpers.js | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/node_modules/webpack/lib/dependencies/ContextDependencyHelpers.js b/node_modules/webpack/lib/dependencies/ContextDependencyHelpers.js deleted file mode 100644 index 377425b..0000000 --- a/node_modules/webpack/lib/dependencies/ContextDependencyHelpers.js +++ /dev/null @@ -1,232 +0,0 @@ -/* - MIT License http://www.opensource.org/licenses/mit-license.php - Author Tobias Koppers @sokra -*/ -"use strict"; - -const ContextDependencyHelpers = exports; - -/** - * Escapes regular expression metacharacters - * @param {string} str String to quote - * @returns {string} Escaped string - */ -const quotemeta = str => { - return str.replace(/[-[\]\\/{}()*+?.^$|]/g, "\\$&"); -}; - -const splitContextFromPrefix = prefix => { - const idx = prefix.lastIndexOf("/"); - let context = "."; - if (idx >= 0) { - context = prefix.substr(0, idx); - prefix = `.${prefix.substr(idx)}`; - } - return { - context, - prefix - }; -}; - -const splitQueryFromPostfix = postfix => { - const idx = postfix.indexOf("?"); - let query = ""; - if (idx >= 0) { - query = postfix.substr(idx); - postfix = postfix.substr(0, idx); - } - return { - postfix, - query - }; -}; - -ContextDependencyHelpers.create = ( - Dep, - range, - param, - expr, - options, - contextOptions, - // when parser is not passed in, expressions won't be walked - parser = null -) => { - if (param.isTemplateString()) { - let prefixRaw = param.quasis[0].string; - let postfixRaw = - param.quasis.length > 1 - ? param.quasis[param.quasis.length - 1].string - : ""; - - const valueRange = param.range; - const { context, prefix } = splitContextFromPrefix(prefixRaw); - const { postfix, query } = splitQueryFromPostfix(postfixRaw); - - // When there are more than two quasis, the generated RegExp can be more precise - // We join the quasis with the expression regexp - const innerQuasis = param.quasis.slice(1, param.quasis.length - 1); - const innerRegExp = - options.wrappedContextRegExp.source + - innerQuasis - .map(q => quotemeta(q.string) + options.wrappedContextRegExp.source) - .join(""); - - // Example: `./context/pre${e}inner${e}inner2${e}post?query` - // context: "./context" - // prefix: "./pre" - // innerQuasis: [BEE("inner"), BEE("inner2")] - // (BEE = BasicEvaluatedExpression) - // postfix: "post" - // query: "?query" - // regExp: /^\.\/pre.*inner.*inner2.*post$/ - const regExp = new RegExp( - `^${quotemeta(prefix)}${innerRegExp}${quotemeta(postfix)}$` - ); - const dep = new Dep( - Object.assign( - { - request: context + query, - recursive: options.wrappedContextRecursive, - regExp, - mode: "sync" - }, - contextOptions - ), - range, - valueRange - ); - dep.loc = expr.loc; - const replaces = []; - - param.parts.forEach((part, i) => { - if (i % 2 === 0) { - // Quasis or merged quasi - let range = part.range; - let value = part.string; - if (param.templateStringKind === "cooked") { - value = JSON.stringify(value); - value = value.slice(1, value.length - 1); - } - if (i === 0) { - // prefix - value = prefix; - range = [param.range[0], part.range[1]]; - value = - (param.templateStringKind === "cooked" ? "`" : "String.raw`") + - value; - } else if (i === param.parts.length - 1) { - // postfix - value = postfix; - range = [part.range[0], param.range[1]]; - value = value + "`"; - } else if ( - part.expression && - part.expression.type === "TemplateElement" && - part.expression.value.raw === value - ) { - // Shortcut when it's a single quasi and doesn't need to be replaced - return; - } - replaces.push({ - range, - value - }); - } else { - // Expression - if (parser) { - parser.walkExpression(part.expression); - } - } - }); - - dep.replaces = replaces; - dep.critical = - options.wrappedContextCritical && - "a part of the request of a dependency is an expression"; - return dep; - } else if ( - param.isWrapped() && - ((param.prefix && param.prefix.isString()) || - (param.postfix && param.postfix.isString())) - ) { - let prefixRaw = - param.prefix && param.prefix.isString() ? param.prefix.string : ""; - let postfixRaw = - param.postfix && param.postfix.isString() ? param.postfix.string : ""; - const prefixRange = - param.prefix && param.prefix.isString() ? param.prefix.range : null; - const postfixRange = - param.postfix && param.postfix.isString() ? param.postfix.range : null; - const valueRange = param.range; - const { context, prefix } = splitContextFromPrefix(prefixRaw); - const { postfix, query } = splitQueryFromPostfix(postfixRaw); - const regExp = new RegExp( - `^${quotemeta(prefix)}${options.wrappedContextRegExp.source}${quotemeta( - postfix - )}$` - ); - const dep = new Dep( - Object.assign( - { - request: context + query, - recursive: options.wrappedContextRecursive, - regExp, - mode: "sync" - }, - contextOptions - ), - range, - valueRange - ); - dep.loc = expr.loc; - const replaces = []; - if (prefixRange) { - replaces.push({ - range: prefixRange, - value: JSON.stringify(prefix) - }); - } - if (postfixRange) { - replaces.push({ - range: postfixRange, - value: JSON.stringify(postfix) - }); - } - dep.replaces = replaces; - dep.critical = - options.wrappedContextCritical && - "a part of the request of a dependency is an expression"; - - if (parser && param.wrappedInnerExpressions) { - for (const part of param.wrappedInnerExpressions) { - if (part.expression) parser.walkExpression(part.expression); - } - } - - return dep; - } else { - const dep = new Dep( - Object.assign( - { - request: options.exprContextRequest, - recursive: options.exprContextRecursive, - regExp: options.exprContextRegExp, - mode: "sync" - }, - contextOptions - ), - range, - param.range - ); - dep.loc = expr.loc; - dep.critical = - options.exprContextCritical && - "the request of a dependency is an expression"; - - if (parser) { - parser.walkExpression(param.expression); - } - - return dep; - } -}; |