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feat: use charcodes in JSX plugin

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Sven SAULEAU 2017-11-13 13:15:32 +01:00
parent 097ff40001
commit 186f04a3e9
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GPG Key ID: F5464AC83B687AD1
1 changed files with 18 additions and 11 deletions
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29
packages/babylon/src/plugins/jsx/index.js
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@ -1,5 +1,7 @@
// @flow
import * as charCodes from "charcodes";
import XHTMLEntities from "./xhtml";
import type Parser from "../../parser";
import { TokenType, types as tt } from "../../tokenizer/types";
@ -84,10 +86,10 @@ export default (superClass: Class<Parser>): Class<Parser> =>
const ch = this.input.charCodeAt(this.state.pos);
switch (ch) {
case 60: // "<"
case 123: // "{"
case charCodes.lessThan:
case charCodes.leftCurlyBrace:
if (this.state.pos === this.state.start) {
if (ch === 60 && this.state.exprAllowed) {
if (ch === charCodes.lessThan && this.state.exprAllowed) {
++this.state.pos;
return this.finishToken(tt.jsxTagStart);
}
@ -96,7 +98,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
out += this.input.slice(chunkStart, this.state.pos);
return this.finishToken(tt.jsxText, out);
case 38: // "&"
case charCodes.ampersand:
out += this.input.slice(chunkStart, this.state.pos);
out += this.jsxReadEntity();
chunkStart = this.state.pos;
@ -118,7 +120,10 @@ export default (superClass: Class<Parser>): Class<Parser> =>
const ch = this.input.charCodeAt(this.state.pos);
let out;
++this.state.pos;
if (ch === 13 && this.input.charCodeAt(this.state.pos) === 10) {
if (
ch === charCodes.carriageReturn &&
this.input.charCodeAt(this.state.pos) === charCodes.lineFeed
) {
++this.state.pos;
out = normalizeCRLF ? "\n" : "\r\n";
} else {
@ -140,8 +145,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
const ch = this.input.charCodeAt(this.state.pos);
if (ch === quote) break;
if (ch === 38) {
// "&"
if (ch === charCodes.ampersand) {
out += this.input.slice(chunkStart, this.state.pos);
out += this.jsxReadEntity();
chunkStart = this.state.pos;
@ -205,7 +209,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
const start = this.state.pos;
do {
ch = this.input.charCodeAt(++this.state.pos);
} while (isIdentifierChar(ch) || ch === 45); // "-"
} while (isIdentifierChar(ch) || ch === charCodes.dash);
return this.finishToken(
tt.jsxName,
this.input.slice(start, this.state.pos),
@ -513,17 +517,20 @@ export default (superClass: Class<Parser>): Class<Parser> =>
return this.jsxReadWord();
}
if (code === 62) {
if (code === charCodes.greaterThan) {
++this.state.pos;
return this.finishToken(tt.jsxTagEnd);
}
if ((code === 34 || code === 39) && context === tc.j_oTag) {
if (
(code === charCodes.quotationMark || code === charCodes.apostrophe) &&
context === tc.j_oTag
) {
return this.jsxReadString(code);
}
}
if (code === 60 && this.state.exprAllowed) {
if (code === charCodes.lessThan && this.state.exprAllowed) {
++this.state.pos;
return this.finishToken(tt.jsxTagStart);
}