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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| import { Diagnostic } from "@codemirror/lint"; | ||
| import { EditorView } from "@codemirror/view"; | ||
| import { debounce } from "lodash"; | ||
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| import { Linter } from "./types"; | ||
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| const DEBOUNCE_TIME = 500; | ||
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| export const debouncedLinter = (lintFunction: Linter, time = DEBOUNCE_TIME) => { | ||
| const debouncedFn = debounce( | ||
| ( | ||
| view: EditorView, | ||
| resolve: (diagnostics: ReadonlyArray<Diagnostic> | Promise<ReadonlyArray<Diagnostic>>) => void | ||
| ) => { | ||
| const diagnostics = lintFunction(view); | ||
| resolve(diagnostics); | ||
| }, | ||
| time | ||
| ); | ||
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| return (view: EditorView) => { | ||
| return new Promise<ReadonlyArray<Diagnostic>>((resolve) => { | ||
| debouncedFn(view, resolve); | ||
| }); | ||
| }; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| import { Diagnostic, linter } from "@codemirror/lint"; | ||
| import { JSHINT as jshint } from "jshint"; | ||
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| import { ExtensionCreator } from "../types"; | ||
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| const lintOptions = { | ||
| esversion: 11, | ||
| browser: true, | ||
| }; | ||
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| /** | ||
| * Sets up the javascript linter. Documentation: https://codemirror.net/examples/lint/ | ||
| */ | ||
| export const jsLinter: ExtensionCreator = () => { | ||
| return linter((view) => { | ||
| const diagnostics: Array<Diagnostic> = []; | ||
| const codeText = view.state.doc.toJSON(); | ||
| jshint(codeText, lintOptions); | ||
| const errors = jshint?.data()?.errors; | ||
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| if (errors && errors.length > 0) { | ||
| errors.forEach((error) => { | ||
| const selectedLine = view.state.doc.line(error.line); | ||
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| const diagnostic: Diagnostic = { | ||
| from: selectedLine.from, | ||
| to: selectedLine.to, | ||
| severity: "error", | ||
| message: error.reason, | ||
| }; | ||
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| diagnostics.push(diagnostic); | ||
| }); | ||
| } | ||
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| return diagnostics; | ||
| }); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| import { Diagnostic, linter } from "@codemirror/lint"; | ||
| import { EditorView } from "@codemirror/view"; | ||
| import { Parser } from "n3"; | ||
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| import { debouncedLinter } from "../debouncedLinter"; | ||
| import { ExtensionCreator, Linter } from "../types"; | ||
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| const parser = new Parser(); | ||
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| const EMPTY_RESOURCE = "<>"; | ||
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| const getError = (message: string, view: EditorView) => { | ||
| const lineMatch = message.match(/(?<=line )\d{1,}/); | ||
| const valueMatch = message.match(/"([^"]*)"/); | ||
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| const lineNumber = lineMatch ? Number(lineMatch[0]) : 1; | ||
| // the [1] index is used to get the caputre group | ||
| const errorContent = valueMatch && valueMatch[1]; | ||
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| const line = view.state.doc.line(lineNumber); | ||
| const position = line.text.search(errorContent ?? /\S/); | ||
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| const from = line.from + position; | ||
| const errorLength = errorContent?.length; | ||
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| return { from, to: errorLength ? from + errorLength : line.to }; | ||
| }; | ||
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| const getQuadError = (view: EditorView) => { | ||
| const lines = view.state.doc.toJSON(); | ||
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| for (let i = 0; i < lines.length; i += 1) { | ||
| const input = lines[i].trim(); | ||
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| if (!input) { | ||
| continue; | ||
| } | ||
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| if (input.includes(EMPTY_RESOURCE)) { | ||
| // i + 1 is used here because the codemirror uses 1-indexes | ||
| const line = view.state.doc.line(i + 1); | ||
| const position = line.text.search(EMPTY_RESOURCE); | ||
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| const from = line.from + position; | ||
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| return { | ||
| from, | ||
| to: from + EMPTY_RESOURCE.length, | ||
| }; | ||
| } | ||
| } | ||
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| return { from: 0, to: view.state.doc.length }; | ||
| }; | ||
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| const n3Linter: Linter = (view) => { | ||
| const diagnostics: Array<Diagnostic> = []; | ||
| const value = view.state.doc.toString(); | ||
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| try { | ||
| const quads = parser.parse(value); | ||
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| quads.forEach((quad) => { | ||
| if (!quad.subject || !quad.predicate || !quad.object) { | ||
| const { from, to } = getQuadError(view); | ||
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| view.dispatch({ | ||
| scrollIntoView: true, | ||
| }); | ||
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| diagnostics.push({ | ||
| from, | ||
| to, | ||
| severity: "error", | ||
| message: `Invalid RDF quad:\n\nsubject: ${quad.subject}\npredicate: ${quad.predicate}\nobject: ${quad.object}`, | ||
| }); | ||
| } | ||
| }); | ||
| } catch (error) { | ||
| const { message } = error as Error; | ||
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| const { from, to } = getError(message, view); | ||
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| view.dispatch({ | ||
| scrollIntoView: true, | ||
| }); | ||
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| diagnostics.push({ | ||
| from, | ||
| to, | ||
| severity: "error", | ||
| message: (error as Error).message, | ||
| }); | ||
| } | ||
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| return diagnostics; | ||
| }; | ||
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| /** | ||
| * Sets up the turtle linter. Documentation: https://codemirror.net/examples/lint/ | ||
| */ | ||
| export const turtleLinter: ExtensionCreator = () => linter(debouncedLinter(n3Linter)); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| import { Diagnostic } from "@codemirror/lint"; | ||
| import { Extension } from "@codemirror/state"; | ||
| import { EditorView } from "@codemirror/view"; | ||
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| export type Linter = (view: EditorView) => ReadonlyArray<Diagnostic> | Promise<ReadonlyArray<Diagnostic>>; | ||
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| export enum EditorMode { | ||
| Turtle = "turtle", | ||
| SPARQL = "sparql", | ||
| JavaScript = "javascript", | ||
| } | ||
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| export type ExtensionCreator<T = unknown> = (options?: T) => Extension; |
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