diff options
Diffstat (limited to 'node_modules/@babel/helper-plugin-utils/lib/index.js')
-rw-r--r-- | node_modules/@babel/helper-plugin-utils/lib/index.js | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/node_modules/@babel/helper-plugin-utils/lib/index.js b/node_modules/@babel/helper-plugin-utils/lib/index.js new file mode 100644 index 0000000..0ba1be0 --- /dev/null +++ b/node_modules/@babel/helper-plugin-utils/lib/index.js @@ -0,0 +1,90 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.declare = declare; + +function declare(builder) { + return (api, options, dirname) => { + var _clonedApi2; + + let clonedApi; + + for (const name of Object.keys(apiPolyfills)) { + var _clonedApi; + + if (api[name]) continue; + clonedApi = (_clonedApi = clonedApi) != null ? _clonedApi : copyApiObject(api); + clonedApi[name] = apiPolyfills[name](clonedApi); + } + + return builder((_clonedApi2 = clonedApi) != null ? _clonedApi2 : api, options || {}, dirname); + }; +} + +const apiPolyfills = { + assertVersion: api => range => { + throwVersionError(range, api.version); + }, + targets: () => () => { + return {}; + }, + assumption: () => () => {} +}; + +function copyApiObject(api) { + let proto = null; + + if (typeof api.version === "string" && /^7\./.test(api.version)) { + proto = Object.getPrototypeOf(api); + + if (proto && (!has(proto, "version") || !has(proto, "transform") || !has(proto, "template") || !has(proto, "types"))) { + proto = null; + } + } + + return Object.assign({}, proto, api); +} + +function has(obj, key) { + return Object.prototype.hasOwnProperty.call(obj, key); +} + +function throwVersionError(range, version) { + if (typeof range === "number") { + if (!Number.isInteger(range)) { + throw new Error("Expected string or integer value."); + } + + range = `^${range}.0.0-0`; + } + + if (typeof range !== "string") { + throw new Error("Expected string or integer value."); + } + + const limit = Error.stackTraceLimit; + + if (typeof limit === "number" && limit < 25) { + Error.stackTraceLimit = 25; + } + + let err; + + if (version.slice(0, 2) === "7.") { + err = new Error(`Requires Babel "^7.0.0-beta.41", but was loaded with "${version}". ` + `You'll need to update your @babel/core version.`); + } else { + err = new Error(`Requires Babel "${range}", but was loaded with "${version}". ` + `If you are sure you have a compatible version of @babel/core, ` + `it is likely that something in your build process is loading the ` + `wrong version. Inspect the stack trace of this error to look for ` + `the first entry that doesn't mention "@babel/core" or "babel-core" ` + `to see what is calling Babel.`); + } + + if (typeof limit === "number") { + Error.stackTraceLimit = limit; + } + + throw Object.assign(err, { + code: "BABEL_VERSION_UNSUPPORTED", + version, + range + }); +}
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