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This commit is contained in:
Brian Ng
2017-06-27 12:15:00 -05:00
parent 93cc22dae1
commit e4b35f680d
307 changed files with 6742 additions and 4080 deletions
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46
packages/babel-generator/src/buffer.js
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@@ -54,7 +54,7 @@ export default class Buffer {
configurable: true,
enumerable: true,
get() {
return this.map = map.get();
return (this.map = map.get());
},
set(value) {
Object.defineProperty(this, "map", { value, writable: true });
@@ -81,7 +81,11 @@ export default class Buffer {
queue(str: string): void {
// Drop trailing spaces when a newline is inserted.
if (str === "\n") while (this._queue.length > 0 && SPACES_RE.test(this._queue[0][0])) this._queue.shift();
if (str === "\n") {
while (this._queue.length > 0 && SPACES_RE.test(this._queue[0][0])) {
this._queue.shift();
}
}
const { line, column, filename, identifierName } = this._sourcePosition;
this._queue.unshift([str, line, column, identifierName, filename]);
@@ -89,13 +93,26 @@ export default class Buffer {
_flush(): void {
let item;
while (item = this._queue.pop()) this._append(...item);
while ((item = this._queue.pop())) this._append(...item);
}
_append(str: string, line: number, column: number, identifierName: ?string, filename: ?string): void {
_append(
str: string,
line: number,
column: number,
identifierName: ?string,
filename: ?string,
): void {
// If there the line is ending, adding a new mapping marker is redundant
if (this._map && str[0] !== "\n") {
this._map.mark(this._position.line, this._position.column, line, column, identifierName, filename);
this._map.mark(
this._position.line,
this._position.column,
line,
column,
identifierName,
filename,
);
}
this._buf.push(str);
@@ -112,11 +129,15 @@ export default class Buffer {
}
removeTrailingNewline(): void {
if (this._queue.length > 0 && this._queue[0][0] === "\n") this._queue.shift();
if (this._queue.length > 0 && this._queue[0][0] === "\n") {
this._queue.shift();
}
}
removeLastSemicolon(): void {
if (this._queue.length > 0 && this._queue[0][0] === ";") this._queue.shift();
if (this._queue.length > 0 && this._queue[0][0] === ";") {
this._queue.shift();
}
}
endsWith(suffix: string): boolean {
@@ -133,7 +154,8 @@ export default class Buffer {
return last === suffix;
}
const end = this._last + this._queue.reduce((acc, item) => item[0] + acc, "");
const end =
this._last + this._queue.reduce((acc, item) => item[0] + acc, "");
if (suffix.length <= end.length) {
return end.slice(-suffix.length) === suffix;
}
@@ -157,10 +179,10 @@ export default class Buffer {
const pos = loc ? loc[prop] : null;
this._sourcePosition.identifierName = loc && loc.identifierName || null;
this._sourcePosition.identifierName = (loc && loc.identifierName) || null;
this._sourcePosition.line = pos ? pos.line : null;
this._sourcePosition.column = pos ? pos.column : null;
this._sourcePosition.filename = loc && loc.filename || null;
this._sourcePosition.filename = (loc && loc.filename) || null;
}
/**
@@ -190,7 +212,9 @@ export default class Buffer {
const extra = this._queue.reduce((acc, item) => item[0] + acc, "");
const lastIndex = extra.lastIndexOf("\n");
return lastIndex === -1 ? this._position.column + extra.length : (extra.length - 1 - lastIndex);
return lastIndex === -1
? this._position.column + extra.length
: extra.length - 1 - lastIndex;
}
getCurrentLine(): number {