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Add column range to babel-code-frame (#5646)

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This commit is contained in:
Simen Bekkhus
2017-05-31 21:22:46 +02:00
committed by Henry Zhu
parent 5393a49349
commit 63b7137dac
3 changed files with 274 additions and 40 deletions
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101
packages/babel-code-frame/test/index.js
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@@ -1,6 +1,6 @@
import assert from "assert";
import chalk from "chalk";
import codeFrame from "..";
import codeFrame, { codeFrameColumns } from "..";
describe("babel-code-frame", function () {
it("basic usage", function () {
@@ -30,19 +30,6 @@ describe("babel-code-frame", function () {
].join("\n"));
});
it("optional column number", function () {
const rawLines = [
"class Foo {",
" constructor()",
"};",
].join("\n");
assert.equal(codeFrame(rawLines, 2, null), [
" 1 | class Foo {",
"> 2 | constructor()",
" 3 | };",
].join("\n"));
});
it("maximum context lines and padding", function () {
const rawLines = [
"/**",
@@ -205,4 +192,90 @@ describe("babel-code-frame", function () {
].join("\n"))
);
});
it("basic usage, new API", function () {
const rawLines = [
"class Foo {",
" constructor()",
"};",
].join("\n");
assert.equal(codeFrameColumns(rawLines, { start: { line: 2, column: 16 } }), [
" 1 | class Foo {",
"> 2 | constructor()",
" | ^",
" 3 | };",
].join("\n"));
});
it("mark multiple columns", function() {
const rawLines = [
"class Foo {",
" constructor()",
"};",
].join("\n");
assert.equal(
codeFrameColumns(rawLines, { start: { line: 2, column: 3 }, end: { line: 2, column: 16 } }), [
" 1 | class Foo {",
"> 2 | constructor()",
" | ^^^^^^^^^^^^^",
" 3 | };",
].join("\n"));
});
it("mark multiple columns across lines", function() {
const rawLines = [
"class Foo {",
" constructor() {",
" }",
"};",
].join("\n");
assert.equal(
codeFrameColumns(rawLines, { start: { line: 2, column: 17 }, end: { line: 3, column: 3 } }), [
" 1 | class Foo {",
"> 2 | constructor() {",
" | ^",
"> 3 | }",
" | ^^^",
" 4 | };",
].join("\n"));
});
it("mark multiple columns across multiple lines", function() {
const rawLines = [
"class Foo {",
" constructor() {",
" console.log(arguments);",
" }",
"};",
].join("\n");
assert.equal(
codeFrameColumns(rawLines, { start: { line: 2, column: 17 }, end: { line: 4, column: 3 } }), [
" 1 | class Foo {",
"> 2 | constructor() {",
" | ^",
"> 3 | console.log(arguments);",
" | ^^^^^^^^^^^^^^^^^^^^^^^^^^^",
"> 4 | }",
" | ^^^",
" 5 | };",
].join("\n"));
});
it("mark across multiple lines without columns", function() {
const rawLines = [
"class Foo {",
" constructor() {",
" console.log(arguments);",
" }",
"};",
].join("\n");
assert.equal(
codeFrameColumns(rawLines, { start: { line: 2 }, end: { line: 4 } }), [
" 1 | class Foo {",
"> 2 | constructor() {",
"> 3 | console.log(arguments);",
"> 4 | }",
" 5 | };",
].join("\n"));
});
});