WIP: Add vm polyfill for browser #40
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tshemsedinov
reviewed
Dec 8, 2020
VM BROWSER.md
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| @@ -0,0 +1,193 @@ | |||
| # VM BROWSER | |||
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Please rename to doc/vm-browser.md and format with prettier.
dist/vm.js
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| .map((error) => ({ | ||
| name: error.name, | ||
| newError: class ErrorWithFilename extends error { | ||
| constructor(message, filename, lineNumber) { | ||
| super(message, filename, lineNumber); | ||
| this.filename = errorFilename; | ||
| } | ||
| }, | ||
| })) | ||
| .forEach((v) => (contentWindow[v.name] = v.newError)); |
dist/vm.js
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| const throwEvalError = () => { | ||
| const msg = 'Code generation from strings disallowed for this context'; | ||
| throw new EvalError(msg); | ||
| }; |
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Suggested change
| const throwEvalError = () => { | |
| const msg = 'Code generation from strings disallowed for this context'; | |
| throw new EvalError(msg); | |
| }; | |
| const ERR_EVAL = 'Code generation from strings disallowed for this context'; |
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Use throw new Error(ERR_EVAL); from all other places
dist/vm.js
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| constructor(code, options = {}) { | ||
| this.code = code; | ||
| if (isFilename(options)) { | ||
| options = makeOptionsFromFilename(options); |
tshemsedinov
reviewed
Mar 7, 2023
| element.style.display = 'none'; | ||
| element.id = id; | ||
| element.name = name; | ||
| element.className = IFRAME_CLASS_DEFAULT; |
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| const wrappedErrors = errors.map((error) => ({ | ||
| name: error.name, | ||
| newError: class ErrorWithFilename extends error { | ||
| constructor(message, filename, lineNumber) { | ||
| super(message, filename, lineNumber); | ||
| this.filename = errorFilename; | ||
| } | ||
| }, |
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Suggested change
| const wrappedErrors = errors.map((error) => ({ | |
| name: error.name, | |
| newError: class ErrorWithFilename extends error { | |
| constructor(message, filename, lineNumber) { | |
| super(message, filename, lineNumber); | |
| this.filename = errorFilename; | |
| } | |
| }, | |
| const wrappedErrors = errors.map((ErrorClass) => ({ | |
| name: ErrorClass.name, | |
| newError: class ErrorWithFilename extends ErrorClass { | |
| constructor(message, filename, lineNumber) { | |
| super(message, filename, lineNumber); | |
| this.filename = errorFilename; | |
| } | |
| }, |
| } | ||
| }, | ||
| })); | ||
| for (const wrappedError of wrappedErrors) { |
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Avoid double loops over error classes collection
| } | ||
| }, | ||
| })); | ||
| for (const wrappedError of wrappedErrors) { |
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Suggested change
| for (const wrappedError of wrappedErrors) { | |
| for (const ErrorClass of wrappedErrors) { |
| }; | ||
|
|
||
| const createIframe = (document, context, options) => { | ||
| const id = `iframe-vm:${Date.now()}`; |
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| return { | ||
| id, | ||
| deleteFromDocument() { | ||
| if (isAttachedToDocument()) { | ||
| document.body.removeChild(element); | ||
| } | ||
| }, | ||
| updateContext() { | ||
| if (isAttachedToDocument()) { | ||
| for (const [key, value] of Object.entries(contentWindow)) { | ||
| if (isContextKey(key) || canAddNewKey(key)) { | ||
| context[key] = value; | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| runScript(script) { | ||
| return runScript(script); | ||
| }, | ||
| }; |
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| return { | ||
| updateContext() { |
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| } catch (e) { | ||
| deleteIframe(iframe); | ||
| throw e; | ||
| } |
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Suggested change
| } catch (e) { | |
| deleteIframe(iframe); | |
| throw e; | |
| } | |
| } catch (error) { | |
| deleteIframe(iframe); | |
| throw error; | |
| } |
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tshemsedinov
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Allows run script in iframe with your context
Add tests
npm run t)npm run fmt)